NBD / Nuveen Build America Bond Opportunity Fund - SEC-arkiveringar, Årsredovisning, Fullmaktsutlåtande

Nuveen Build America Bond Opportunity Fund
US ˙ NYSE ˙ US663804HS46
DENNA SYMBOL ÄR INTE LÄNGRE AKTIV

Grundläggande statistik
CIK 1493523
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Nuveen Build America Bond Opportunity Fund
SEC Filings (Chronological Order)
Denna sida innehåller en komplett, kronologisk lista över SEC-arkiveringar, exklusive ägande-arkiveringar som vi tillhandahåller på andra ställen.
May 14, 2019 N-8F

NBD / Nuveen Build America Bond Opportunity Fund N-8F

OMB APPROVAL OMB Number: 3235-0157 Expires: August 31, 2019 Estimated average burden hours per response …………………….

November 19, 2018 EX-99.25

EX-99.25

EX-99.25 2 ruleprovisionnotice.htm NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on November 30, 2018, pursuant to the provisions of Rule 12d2-2 (a). [ X ] 17 CFR 240.12

October 5, 2018 425

NBB / Nuveen Build America Bond Fund NUVEEN BUILD AMERICA BOND FUND (Prospectus)

425 1 d520433d425.htm NUVEEN BUILD AMERICA BOND FUND Filed by Nuveen Build America Bond Fund pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: Nuveen Build America Bond Opportunity Fund Commission File No. 811-22425 IMPORTANT SHAREHOLDER INFORMATION Please vote promptly D

September 19, 2018 425

NBB / Nuveen Build America Bond Fund NUVEEN BUILD AMERICA BOND FUND (Prospectus)

Nuveen Build America Bond Fund Filed by Nuveen Build America Bond Fund pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: Nuveen Build America Bond Opportunity Fund Commission File No.

September 5, 2018 425

NBB / Nuveen Build America Bond Fund NUVEEN BUILD AMERICA BOND FUND (Prospectus)

Nuveen Build America Bond Fund Filed by Nuveen Build America Bond Fund pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: Nuveen Build America Bond Opportunity Fund Commission File No.

August 29, 2018 EX-99.CERT

CERTIFICATIONS

EX-99.CERT 2 d616769dex99cert.htm CERTIFICATIONS CERTIFICATIONS I, Cedric H. Antosiewicz, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under whi

August 29, 2018 N-Q

NBD / Nuveen Build America Bond Opportunity Fund NUVEEN BUILD AMERICA BOND OPPORTUNITY FUND (Quarterly Schedule of Portfolio Holdings)

Nuveen Build America Bond Opportunity Fund UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal executive offices) (Zip code) Gifford R.

August 23, 2018 425

NBB / Nuveen Build America Bond Fund NUVEEN BUILD AMERICA BOND FUND (Prospectus)

425 1 d520433d425.htm NUVEEN BUILD AMERICA BOND FUND Filed by Nuveen Build America Bond Fund pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: Nuveen Build America Bond Opportunity Fund Commission File No. 811-22425 NUVEEN BUILD AMERICA BOND OPPORTUNITY FUND (NBD) PLEASE

August 16, 2018 425

NBB / Nuveen Build America Bond Fund NUVEEN BUILD AMERICA BOND FUND (Prospectus)

Nuveen Build America Bond Fund Filed by Nuveen Build America Bond Fund pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: Nuveen Build America Bond Opportunity Fund Commission File No.

July 26, 2018 425

NBB / Nuveen Build America Bond Fund NUVEEN BUILD AMERICA BOND FUND (Prospectus)

Nuveen Build America Bond Fund Filed by Nuveen Build America Bond Fund pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: Nuveen Build America Bond Opportunity Fund Commission File No.

July 20, 2018 425

NBB / Nuveen Build America Bond Fund NUVEEN BUILD AMERICA BOND FUND (Prospectus)

Nuveen Build America Bond Fund Filed by Nuveen Build America Bond Fund pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: Nuveen Build America Bond Opportunity Fund Commission File No.

July 5, 2018 CORRESP

JHY / Nuveen High Income 2020 Target Term Fund CORRESP

Nuveen Investments June 29, 2018 Mr. Jason Fox U.S. Securities and Exchange Commission Division of Investment Management, Insured Investments Office 100 F Street N.E. Washington DC 20549 Re: Nuveen Closed-End and Open-End Funds – Sarbanes Oxley Review Dear Mr. Fox: This letter addresses the comments Ms. Sheila Stout provided in a telephone discussion on April 17, 2018, regarding reviews performed

June 29, 2018 425

NBB / Nuveen Build America Bond Fund NUVEEN BUILD AMERICA BOND FUND (Prospectus)

Nuveen Build America Bond Fund Filed by Nuveen Build America Bond Fund pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: Nuveen Build America Bond Opportunity Fund Commission File No.

June 22, 2018 425

NBB / Nuveen Build America Bond Fund NUVEEN BUILD AMERICA BOND FUND (Prospectus)

Nuveen Build America Bond Fund Filed by Nuveen Build America Bond Fund pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: Nuveen Build America Bond Opportunity Fund Commission File No.

June 22, 2018 425

NBB / Nuveen Build America Bond Fund NUVEEN BUILD AMERICA BOND FUND (Prospectus)

Nuveen Build America Bond Fund Filed by Nuveen Build America Bond Fund pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: Nuveen Build America Bond Opportunity Fund Commission File No.

May 25, 2018 425

NBB / Nuveen Build America Bond Fund NUVEEN BUILD AMERICA BOND FUND (Prospectus)

Filed by Nuveen Build America Bond Fund pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: Nuveen Build America Bond Opportunity Fund Commission File No.

March 22, 2018 425

NBB / Nuveen Build America Bond Fund NUVEEN BUILD AMERICA BOND FUND (Prospectus)

425 1 d520433d425.htm NUVEEN BUILD AMERICA BOND FUND Filed by Nuveen Build America Bond Fund pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-12 under the Securities and Exchange Act of 1934, as amended Subject Company: Nuveen Build America Bond Opportunity Fund Commission File No. 811-22425 Nuveen Closed-End Funds Questions & Answers about B

March 1, 2018 N-Q

NBD / Nuveen Build America Bond Opportunity Fund NUVEEN BUILD AMERICA BOND OPPORTUNITY FUND (Quarterly Schedule of Portfolio Holdings)

Nuveen Build America Bond Opportunity Fund UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal executive offices) (Zip code) Gifford R.

March 1, 2018 EX-99.CERT

CERTIFICATIONS

Certifications CERTIFICATIONS I, Cedric H. Antosiewicz, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not

August 29, 2017 EX-99.CERT

/s/ Cedric H. Antosiewicz Cedric H. Antosiewicz Chief Administrative Officer (principal executive officer)

CERTIFICATIONS I, Cedric H. Antosiewicz, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

August 29, 2017 N-Q

Nuveen Build America Bond Opportunity Fund - NBD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal executive offices) (Zip code) Gifford R.

June 23, 2017 DEF 14A

Nuveen Build America Bond Opportunity Fund NUVEEN BUILD AMERICA BOND OPPORTUNITY FUND

Nuveen Build America Bond Opportunity Fund UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 10, 2017 144

Nuveen Build America Bond Opportunity Fund 144

144 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933 SEC USE ONLY DOCUMENT SEQUENCE NO. CUSIP NUMBER WORK LOCATION ATTENTION: Transmit for filing 3 copies of this form concurrently with either placing an order with a broker to execute sale or executing a sale directly with a

March 1, 2017 EX-99.CERT

/s/ Cedric H. Antosiewicz Cedric H. Antosiewicz Chief Administrative Officer (principal executive officer)

CERTIFICATIONS I, Cedric H. Antosiewicz, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

March 1, 2017 N-Q

Nuveen Build America Bond Opportunity Fund - NBD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal executive offices) (Zip code) Gifford R.

August 29, 2016 EX-99.CERT

/s/ Gifford R. Zimmerman Gifford R. Zimmerman Chief Administrative Officer (principal executive officer)

CERTIFICATIONS I, Gifford R. Zimmerman, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

August 29, 2016 N-Q

Nuveen Build America Bond Opportunity Fund NBD (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal executive offices) (Zip code) Kevin J.

June 24, 2016 DEF 14A

Nuveen Build America Bond Opportunity Fund NUVEEN BUILD AMERICA BOND OPPORTUNITY FUND

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement. ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)). x Def

June 10, 2016 SC 13G/A

NBD / Nuveen Build America Bond Opportunity Fund / WELLS FARGO & COMPANY/MN Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) NUVEEN BUILD AMER BD OPPTNY (Name of Issuer) COM (Title of Class of Securities) 67074Q102 (CUSIP Number) May 31, 2016 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule i

February 29, 2016 N-Q

Nuveen Build America Bond Opportunity Fund NBD (Quarterly Schedule of Portfolio Holdings)

nq2.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal e

February 29, 2016 EX-99.CERT

/s/ Gifford R. Zimmerman Gifford R. Zimmerman Chief Administrative Officer (principal executive officer)

Unassociated Document CERTIFICATIONS I, Gifford R. Zimmerman, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made

January 29, 2016 SC 13G

NBD / Nuveen Build America Bond Opportunity Fund / WELLS FARGO & COMPANY/MN Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) NUVEEN BUILD AMER BD OPPTNY (Name of Issuer) COM (Title of Class of Securities) 67074Q102 (CUSIP Number) December 31, 2015 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedu

August 28, 2015 N-Q

Nuveen Build America Bond Opportunity Fund NBD (Quarterly Schedule of Portfolio Holdings)

N-Q 1 nq2.htm NBD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of p

August 28, 2015 EX-99.CERT

/s/ Gifford R. Zimmerman Gifford R. Zimmerman Chief Administrative Officer (principal executive officer)

Unassociated Document CERTIFICATIONS I, Gifford R. Zimmerman, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made

July 1, 2015 DEF 14A

Nuveen Build America Bond Opportunity Fund NUVEEN BUILD AMERICA BOND OPPORTUNITY FUND

Nuveen Build America Bond Opportunity Fund UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 27, 2015 EX-99.CERT

/s/ Gifford R. Zimmerman Gifford R. Zimmerman Chief Administrative Officer (principal executive officer)

CERTIFICATIONS I, Gifford R. Zimmerman, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

February 27, 2015 N-Q

Nuveen Build America Bond Opportunity Fund - NBD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal executive offices) (Zip code) Kevin J.

February 12, 2015 SC 13G

NBD / Nuveen Build America Bond Opportunity Fund / University Of Minnesota Foundation - SCHEDULE 13G Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a)* NUVEEN BUILD AMERICA BOND OPPORTUNITY FUND Name of Issuer Common Stock Title of Class of Securities 67074Q102 CUSIP Number November 24, 2014 Date of Event that Requires Filing of this Statement Check the appropriate box to designate the ru

August 29, 2014 EX-99.CERT

/s/ Gifford R. Zimmerman Gifford R. Zimmerman Chief Administrative Officer (principal executive officer)

CERTIFICATIONS I, Gifford R. Zimmerman, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

August 29, 2014 N-Q

NBD / Nuveen Build America Bond Opportunity Fund N-Q - Quarterly Schedule of Portfolio Holdings - NBD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal executive offices) (Zip code) Kevin J.

July 3, 2014 DEFA14A

NXQ / Nuveen Select Tax-Free Income Portfolio II, Inc. DEFA14A - - PRESS RELEASE

Press Release UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(

June 18, 2014 DEFA14A

- PRESS RELEASE

Press Release UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(

June 18, 2014 DEFA14A

- PRESS RELEASE

Press Release UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for use of the Commission Only (as permitted by Rul

June 18, 2014 DEFA14A

- PRESS RELEASE

Press Release UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for use of the Commission Only (as permitted by Rul

June 16, 2014 DEF 14A

- CLOSED-END PROXY

Closed-End Proxy UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a

May 16, 2014 PRE 14A

- CLOSED-END PROXY

Closed-End Proxy UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: x Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a

May 1, 2014 DEFA14A

- PRESS RELEASE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for use of the Commission Only (as permitted by Rule 14a-6(e)(2))

February 28, 2014 EX-99.CERT

/s/ Gifford R. Zimmerman Gifford R. Zimmerman Chief Administrative Officer (principal executive officer)

EX-99.CERT 2 nbdcertification2.htm CERTIFICATIONS CERTIFICATIONS I, Gifford R. Zimmerman, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under whi

February 28, 2014 N-Q

Quarterly Schedule of Portfolio Holdings - NBD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal executive offices) (Zip code) Kevin J.

August 29, 2013 EX-99.CERT

/s/ Gifford R. Zimmerman Gifford R. Zimmerman Chief Administrative Officer (principal executive officer)

CERTIFICATIONS I, Gifford R. Zimmerman, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

August 29, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - NBD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal executive offices) (Zip code) Kevin J.

June 27, 2013 DEF 14A

- NUVEEN BUILD AMERICA BOND OPPORTUNITY FUND

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement. ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)). x Def

April 19, 2013 CORRESP

-

Nuveen Investments April 19, 2013 Ms. Christina DiAngelo U.S. Securities and Exchange Commission 450 5th Street, NW Washington, D.C. 20549 Re: Nuveen Closed-End and Open-End Funds - Sarbanes Oxley Review Follow-Up Discussion Dear Christina: This letter addresses your comments provided in a telephone discussion on February 13, 2013. This was a follow-up discussion to our December 11, 2012, correspo

March 1, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - NBD

N-Q 1 nq2.htm NBD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of p

March 1, 2013 EX-99.CERT

/s/ Gifford R. Zimmerman Gifford R. Zimmerman Chief Administrative Officer (principal executive officer)

CERTIFICATIONS I, Gifford R. Zimmerman, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

December 11, 2012 CORRESP

-

Nuveen Investments December 11, 2012 Ms. Christina DiAngelo U.S. Securities and Exchange Commission 450 5th Street, NW Washington, D.C. 20549 Re: Nuveen Closed-End and Open-End Funds - Sarbanes Oxley Review Dear Christina: This letter addresses your comments provided in a telephone discussion on September 25, 2012. Each comment is shown below followed by our response. Unless otherwise noted, the r

August 29, 2012 N-Q

Quarterly Schedule of Portfolio Holdings - NBD_NQ

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal executive offices) (Zip code) Kevin J.

August 29, 2012 EX-99.CERT

/s/ Gifford R. Zimmerman Gifford R. Zimmerman Chief Administrative Officer (principal executive officer)

CERTIFICATIONS I, Gifford R. Zimmerman, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

July 2, 2012 DEF 14A

- DEF 14A

DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement. ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)

March 9, 2012 DEFA14A

- NUVEEN BUILD AMERICA BOND OPPORTUNITY FUND

Nuveen Build America Bond Opportunity Fund Notice to Fund Shareholders Nuveen Build America Bond Opportunity Fund (NBD) (“Registrant”) March 9, 2012 Notice is being provided that the proxy solicitation materials filed on July 29, 2011 (filing type DEFA 14A, Accession No. 0000950123-11-069754) was submitted in error for the Registrant and should be disregarded.

March 9, 2012 DEF 14A

- NUVEEN BUILD AMERICA BOND OPPORTUNITY FUND

Nuveen Build America Bond Opportunity Fund Notice to Fund Shareholders Nuveen Build America Bond Opportunity Fund (NBD) (“Registrant”) March 9, 2012 Notice is being provided that the definitive proxy statement filed on June 22, 2011 (filing type DEF 14A, Accession No. 0000950123-11-060850) was submitted in error for the Registrant and should be disregarded.

March 9, 2012 PRE 14A

- NUVEEN BUILD AMERICA BOND OPPORTUNITY FUND

Nuveen Build America Bond Opportunity Fund Notice to Fund Shareholders Nuveen Build America Bond Opportunity Fund (NBD) (“Registrant”) March 9, 2012 Notice is being provided that the preliminary proxy statement filed on June 3, 2011 (filing type PRE 14A, Accession No. 0000950123-11-056447) was submitted in error for the Registrant and should be disregarded.

February 29, 2012 N-Q

Quarterly Schedule of Portfolio Holdings - NBD_NQ

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22425 Nuveen Build America Bond Opportunity Fund (Exact name of registrant as specified in charter) Nuveen Investments 333 West Wacker Drive, Chicago, Illinois 60606 (Address of principal executive offices) (Zip code) Kevin J.

February 29, 2012 EX-99.CERT

/s/ Gifford R. Zimmerman Gifford R. Zimmerman Chief Administrative Officer (principal executive officer)

CERTIFICATIONS I, Gifford R. Zimmerman, certify that: 1. I have reviewed this report on Form N-Q of Nuveen Build America Bond Opportunity Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with

June 22, 2011 COVER

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cover MARK A. DIOMEDE 312-609-7727 [email protected] VEDDER PRICE P.C. 222 NORTH LASALLE STREET CHICAGO, ILLINOIS 60601 312-609-7500 FAX: 312-609-5005 CHICAGO • NEW YORK CITY • WASHINGTON, D.C. June 22, 2011 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: Definitive Proxy Materials for: Nuveen Municipal Value Fund, Inc. (NUV) Nuveen Dividend Advantage Munici

June 22, 2011 DEF 14A

- DEF 14A

def14a UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement. o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

June 3, 2011 COVER

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cover MARK A. DIOMEDE 312-609-7727 [email protected] VEDDER PRICE P.C. 222 NORTH LASALLE STREET CHICAGO, ILLINOIS 60601 312-609-7500 FAX: 312-609-5005 CHICAGO • NEW YORK CITY • WASHINGTON, D.C. June 3, 2011 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: Preliminary Proxy Materials for: Nuveen Municipal Value Fund, Inc. (NUV) Nuveen Dividend Advantage Munici

June 3, 2011 PRE 14A

- PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: þ Preliminary Proxy Statement. o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)). o Def

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