Current Market Value 268,465,915
Current Holdings 4
Most Recent File Date 2025-08-14
Total Filings on Record 36
SEC Form 13F Filing History

This page shows a list of all the recent 13F filings made by Flagship Pioneering Inc. . 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)
2025-08-14 2025-06-30 13F-HR 4 268,466
2025-05-15 2025-03-31 13F-HR 4 235,769
2025-02-14 2024-12-31 13F-HR 5 334,222
2024-11-14 2024-09-30 13F-HR 6 591,878
2024-08-14 2024-06-30 13F-HR 6 843,359
2024-05-15 2024-03-31 13F-HR 7 1,524,565
2024-02-14 2023-12-31 13F-HR 7 1,325,312
2023-11-14 2023-09-30 13F-HR 9 1,377,673
2023-08-14 2023-06-30 13F-HR 10 2,240,750
2023-05-15 2023-03-31 13F-HR 11 2,573,425
2023-02-14 2022-12-31 13F-HR 12 3,132,284
2022-11-14 2022-09-30 13F-HR 12 2,375,805
2022-08-15 2022-06-30 13F-HR 12 2,654,624
2022-05-16 2022-03-31 13F-HR 13 4,258,761
2022-02-14 2021-12-31 13F-HR 13 6,467,997
2021-11-15 2021-09-30 13F-HR 13 9,549,130
2021-08-16 2021-06-30 13F-HR 12 7,829,539
2021-05-17 2021-03-31 13F-HR 12 6,244,355
2021-02-16 2020-12-31 13F-HR 11 5,493,282
2020-11-16 2020-09-30 13F-HR 8 3,619,952
2020-08-13 2020-06-30 13F-HR 8 3,441,586
2020-05-14 2020-03-31 13F-HR 8 2,133,438
2020-02-13 2019-12-31 13F-HR 8 1,788,867
2019-11-14 2019-09-30 13F-HR 9 1,828,054
2019-08-13 2019-06-30 13F-HR 10 2,310,279
2019-05-14 2019-03-31 13F-HR 8 2,642,256
2019-02-12 2018-12-31 13F-HR 7 2,047,628
2018-11-13 2018-09-30 13F-HR 6 1,513,015
2018-08-07 2018-06-30 13F-HR 5 522,113
2018-05-15 2018-03-31 13F-HR 4 344,896
2018-02-13 2017-12-31 13F-HR 5 394,322
2017-11-03 2017-09-30 13F-HR 4 298,998
2017-08-02 2017-06-30 13F-HR 4 283,568
2017-05-10 2017-03-31 13F-HR 7 376,254
2017-02-13 2016-12-31 13F-HR 7 307,344
2016-11-14 2016-09-30 13F-HR 7 365,999