Current Market Value 1,467,427,064
Current Holdings 77
Most Recent File Date 2025-08-28
Total Filings on Record 24
SEC Form 13F Filing History

This page shows a list of all the recent 13F filings made by OBSOX - Oberweis Small-Cap Opportunities Fund Investor Class . Form 13F is required to be filed within 45 days of the end of a calendar quarter. The Form 13F report requires disclosure of the manager that files the report, the name and class of the security, the CUSIP number, the number of shares as of the end of the calendar quarter for which the report is filed, and the total market value. The market value column should not be used as a substitute for Assets Under Management (AUM), as it does not include cash held in accounts.

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File Date Reporting Period Form Amendment Holdings Reported Value
($1000)
2025-08-28 2025-06-30 NPORT-P 77 1,467,427
2025-05-29 2025-03-31 NPORT-P 80 1,339,110
2025-02-28 2024-12-31 NPORT-P 86 1,385,849
2024-11-27 2024-09-30 NPORT-P 94 1,287,011
2024-08-29 2024-06-30 NPORT-P 88 1,018,556
2024-05-24 2024-03-31 NPORT-P 90 805,504
2024-02-29 2023-12-31 NPORT-P 87 496,127
2023-11-27 2023-09-30 NPORT-P 86 404,242
2023-08-29 2023-06-30 NPORT-P 83 327,598
2023-05-26 2023-03-31 NPORT-P 79 239,548
2023-03-01 2022-12-31 NPORT-P 73 150,483
2022-11-28 2022-09-30 NPORT-P 80 83,765
2022-08-26 2022-06-30 NPORT-P 74 37,171
2022-05-27 2022-03-31 NPORT-P 68 31,028
2022-03-01 2021-12-31 NPORT-P 70 28,971
2021-11-24 2021-09-30 NPORT-P 71 22,110
2021-08-27 2021-06-30 NPORT-P 72 20,980
2021-05-27 2021-03-31 NPORT-P 74 19,411
2021-03-01 2020-12-31 NPORT-P 68 16,717
2020-11-24 2020-09-30 NPORT-P 64 13,046
2020-08-31 2020-06-30 NPORT-P 64 12,126
2020-05-29 2020-03-31 NPORT-P 63 7,673
2020-02-25 2019-12-31 NPORT-P 68 11,258
2019-11-26 2019-09-30 NPORT-P 71 10,232