Investor Parnassus Investments /ca
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Parnassus Investments /ca . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Add This Fund
to your dashboard

Date Form Target Prev
Shares		 Current
Shares		 Change
(Percent)		 Ownership
(Percent)		 Change
(Percent)
2025-04-21 13D/A BALL / Ball Corporation 15,855,875 13,783,566
2025-03-24 13D BALL / Ball Corporation 18,830,140 15,855,875
2025-02-10 13G/A BALL / Ball Corporation 21,062,707 18,830,140
2024-02-12 13G/A GO / Grocery Outlet Holding Corp. 5,133,018 0
2024-02-12 13G/A BALL / Ball Corporation 15,021,949 21,062,707
2023-02-02 13G/A GO / Grocery Outlet Holding Corp. 4,843,029 5,133,018
2023-02-02 13G/A PNR / Pentair plc 10,670,734 2,296,917
2023-02-02 13G/A LEVI / Levi Strauss & Co. 5,440,306 3,467,865
2023-02-02 13G BALL / Ball Corporation 15,021,949
2022-06-10 13G/A ANGI / Angi Inc. 7,542,483 2,293,740
2022-05-10 13G/A ANGI / Angi Inc. 13,711,052 7,542,483
2022-02-16 13G/A PNR / Pentair plc 11,119,984 10,670,734
2022-02-16 13G LEVI / Levi Strauss & Co. 5,440,306
2022-02-16 13G GO / Grocery Outlet Holding Corp. 4,843,029
2022-01-11 13G ANGI / Angi Inc. 10,603,269 13,711,052
2021-02-12 13G/A ANGI / Angi Inc. 9,538,857 10,603,269
2020-12-07 13G ANGI / Angi Inc. 9,538,857
2020-11-17 13G/A PNR / Pentair plc 11,119,984
2020-02-12 13G/A WDFC / WD-40 Company 1,275,308 0
2020-02-12 13G/A HOLX / Hologic, Inc. 15,151,874 6,138,625
2020-02-12 13G/A MAT / Mattel, Inc. 21,485,411 0
2019-02-13 13G HOLX / Hologic, Inc. 15,151,874 15,151,874
2019-02-13 13G/A MDU / MDU Resources Group, Inc. 8,937,891 8,937,891
2019-02-13 13G/A WDFC / WD-40 Company 1,275,308 1,275,308
2019-02-13 13G/A MAT / Mattel, Inc. 21,485,411 21,485,411
2019-02-13 13G/A PDCO / Patterson Companies, Inc. 0 0
2019-02-12 13G/A PDCO / Patterson Companies, Inc. 7,436,901 0
2019-02-12 13G HOLX / Hologic, Inc. 15,151,874
2019-02-12 13G/A MAT / Mattel, Inc. 21,391,928 21,485,411
2019-02-12 13G/A WDFC / WD-40 Company 1,261,798 1,275,308
2019-02-12 13G/A MDU / MDU Resources Group, Inc. 15,215,391 8,937,891
2018-02-12 13G/A WDFC / WD-40 Company 1,261,798 1,261,798
2018-02-12 13G/A CMP / Compass Minerals International, Inc. 185,653 185,653
2018-02-12 13G/A PDCO / Patterson Companies, Inc. 7,436,901 7,436,901
2018-02-12 13G/A MDU / MDU Resources Group, Inc. 15,215,391 15,215,391
2018-02-12 13G MAT / Mattel, Inc. 21,391,928 21,391,928
2018-02-12 13G/A XYL / Xylem Inc. 5,884,671 5,884,671
2018-02-09 13G/A WDFC / WD-40 Company 1,312,853 1,261,798
2018-02-09 13G MAT / Mattel, Inc. 21,391,928
2018-02-09 13G/A MDU / MDU Resources Group, Inc. 13,875,527 15,215,391
2018-02-09 13G/A PDCO / Patterson Companies, Inc. 7,914,917 7,436,901
2018-02-09 13G/A CMP / Compass Minerals International, Inc. 3,007,180 185,653
2018-02-09 13G/A XYL / Xylem Inc. 9,067,732 5,884,671
2017-02-14 13G/A CMP / Compass Minerals International, Inc. 2,346,947 3,007,180
2017-02-14 13G/A WDFC / WD-40 Company 1,253,923 1,312,853
2017-02-14 13G/A IRM / Iron Mountain Incorporated 11,417,308 11,501,379
2017-02-14 13G/A 748356102 / Questar Corp. 13,700,699 0
2017-02-14 13G/A MDU / MDU Resources Group, Inc. 13,664,457 13,875,527
2017-02-14 13G/A PDCO / Patterson Companies, Inc. 5,902,938 7,914,917
2017-02-14 13G/A XYL / Xylem Inc. 10,723,328 9,067,732
2017-02-14 13G/A 872307903 / TCF Financial Corporation 2,582,844 397,500
2016-02-12 13G/A CKP / Checkpoint Systems, Inc. 0
2016-02-12 13G/A COVS / Covisint Corporation 0
2016-02-12 13G/A CMP / Compass Minerals International, Inc. 2,346,947
2016-02-12 13G/A IRM / Iron Mountain Incorporated 11,417,308
2016-02-12 13G/A MDU / MDU Resources Group, Inc. 13,664,457
2016-02-12 13G/A 872307903 / TCF Financial Corporation 2,582,844
2016-02-12 13G/A 748356102 / Questar Corp. 13,700,699
2016-02-12 13G/A WDFC / WD-40 Company 1,253,923
2016-02-12 13G PDCO / Patterson Companies, Inc. 5,902,938
2016-02-12 13G XYL / Xylem Inc. 10,723,328
2015-02-12 13G/A WDFC / WD-40 Company 1,228,789
2015-02-12 13G MDU / MDU Resources Group, Inc. 10,098,329
2015-02-12 13G/A BLT / Blount International, Inc. 1,300,000
2015-02-12 13G/A WTI / W&T Offshore, Inc. 3,425,000
2015-02-12 13G IRM / Iron Mountain Incorporated 10,556,778
2015-02-12 13G/A CMP / Compass Minerals International, Inc. 2,305,946
2015-02-12 13G/A EZCH / EZchip Semiconductor Limited 750,000
2015-02-12 13G COVS / Covisint Corporation 2,215,000
2015-02-12 13G CKP / Checkpoint Systems, Inc. 2,177,709
2015-02-12 13G/A 872307903 / TCF Financial Corporation 2,540,885
2015-02-12 13G/A 748356102 / Questar Corp. 9,613,341
2014-02-14 13G/A CRNT / Ceragon Networks Ltd. 0
2014-02-14 13G/A CMP / Compass Minerals International, Inc. 2,617,602
2014-02-14 13G/A HLIT / Harmonic Inc. 1,920,636
2014-02-14 13G/A NSP / Insperity, Inc. 519,245
2014-02-14 13G/A 872307903 / TCF Financial Corporation 2,006,838
2014-02-14 13G/A 748356102 / Questar Corp. 9,543,274
2014-02-14 13G/A WTI / W&T Offshore, Inc. 7,395,021
2014-02-14 13G/A WDFC / WD-40 Company 1,144,201
2014-02-14 13G BLT / Blount International, Inc. 2,661,432
2014-02-14 13G EZCH / EZchip Semiconductor Limited 1,688,361
2014-02-14 13G/A TFX / Teleflex Incorporated 1,665,095
2013-04-25 13G/A WTI / W&T Offshore, Inc. 7,740,270
2013-02-08 13G/A CRNT / Ceragon Networks Ltd. 3,003,724
2013-02-08 13G/A DRWIW / Dragonwave, Inc. 0
2013-02-08 13G/A WDFC / WD-40 Company 1,131,000
2013-02-08 13G HLIT / Harmonic Inc. 6,599,617
2013-02-08 13G CMP / Compass Minerals International, Inc. 1,668,913
2013-02-08 13G/A WTI / W&T Offshore, Inc. 6,042,123
2013-02-08 13G NSP / Insperity, Inc. 1,564,356
2013-02-08 13G 872307903 / TCF Financial Corporation 1,563,129
2013-02-08 13G 748356102 / Questar Corp. 9,317,513
2013-02-08 13G/A TFX / Teleflex Incorporated 3,076,526
2012-02-08 13G/A WTI / W&T Offshore, Inc. 3,840,000
2012-02-08 13G/A WDFC / WD-40 Company 1,260,384
2012-02-08 13G/A TFX / Teleflex Incorporated 3,250,000
2012-02-07 13G CRNT / Ceragon Networks Ltd. 2,000,000
2012-02-07 13G DRWIW / Dragonwave, Inc. 2,110,000