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Flagship Pioneering, LLC

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Filer group, 2 members, built by the linking rules

Flagship Pioneering, LLC is a filer group of 2 members, 2 of them filing 13F reports, with 83 filings between them.

Members

Each member with the evidence that put it in the group. A member counts only inside the quarters shown (method).

MemberKindQuartersEvidence
Flagship Pioneering, LLCCIK 140024013F filerall
Flagship Ventures Fund IV General Partner LLCCIK 150805113F filerall

Filings of the group

The union of the members' filings: 13F reports and notices, 13D and 13G naming a member, and Forms 3, 4 and 5 with a member as reporting owner.

FilingSubjectFiledAcceptedIngested
13F-NT 0001193125-26-352123 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-HR 0001193125-26-352122 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-NT 0001193125-26-226585 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-HR 0001193125-26-226588 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-HR 0001193125-26-054539 Quarter ended 2025-12-312026-02-17acceptance time not in the bulk data set
13F-NT 0001193125-26-054541 Quarter ended 2025-12-312026-02-17acceptance time not in the bulk data set
13F-HR 0001193125-25-282859 Quarter ended 2025-09-302025-11-14acceptance time not in the bulk data set
13F-NT 0001193125-25-282861 Quarter ended 2025-09-302025-11-14acceptance time not in the bulk data set
13F-HR 0000950123-25-008304 Quarter ended 2025-06-302025-08-14acceptance time not in the bulk data set
13F-NT 0000950123-25-008303 Quarter ended 2025-06-302025-08-14acceptance time not in the bulk data set
13F-HR 0000950123-25-005707 Quarter ended 2025-03-312025-05-15acceptance time not in the bulk data set
13F-NT 0000950123-25-005751 Quarter ended 2025-03-312025-05-15acceptance time not in the bulk data set
13F-HR 0000950123-25-002708 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-NT 0000950123-25-002713 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-NT 0000950123-24-011761 Quarter ended 2024-09-302024-11-14acceptance time not in the bulk data set
13F-HR 0000950123-24-011756 Quarter ended 2024-09-302024-11-14acceptance time not in the bulk data set
13F-HR 0000950123-24-008727 Quarter ended 2024-06-302024-08-14acceptance time not in the bulk data set
13F-NT 0000950123-24-008726 Quarter ended 2024-06-302024-08-14acceptance time not in the bulk data set
13F-HR 0000950123-24-005589 Quarter ended 2024-03-312024-05-15acceptance time not in the bulk data set
13F-NT 0000950123-24-005590 Quarter ended 2024-03-312024-05-15acceptance time not in the bulk data set
13F-HR 0000950123-24-002510 Quarter ended 2023-12-312024-02-14acceptance time not in the bulk data set
13F-NT 0000950123-24-002506 Quarter ended 2023-12-312024-02-14acceptance time not in the bulk data set
13F-HR 0000950123-23-010821 Quarter ended 2023-09-302023-11-14acceptance time not in the bulk data set
13F-NT 0000950123-23-010818 Quarter ended 2023-09-302023-11-14acceptance time not in the bulk data set
13F-NT 0000950123-23-008066 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-HR 0000950123-23-008070 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-HR 0000950123-23-005258 Quarter ended 2023-03-312023-05-15acceptance time not in the bulk data set
13F-NT 0000950123-23-005261 Quarter ended 2023-03-312023-05-15acceptance time not in the bulk data set
13F-NT 0000950123-23-002462 Quarter ended 2022-12-312023-02-14acceptance time not in the bulk data set
13F-HR 0000950123-23-002460 Quarter ended 2022-12-312023-02-14acceptance time not in the bulk data set
13F-NT 0000950123-22-012253 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-HR 0000950123-22-012261 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-NT 0000950123-22-009424 Quarter ended 2022-06-302022-08-15acceptance time not in the bulk data set
13F-HR 0000950123-22-009421 Quarter ended 2022-06-302022-08-15acceptance time not in the bulk data set
13F-NT 0000950123-22-006304 Quarter ended 2022-03-312022-05-16acceptance time not in the bulk data set
13F-HR 0000950123-22-006309 Quarter ended 2022-03-312022-05-16acceptance time not in the bulk data set
13F-HR 0000950123-22-002901 Quarter ended 2021-12-312022-02-14acceptance time not in the bulk data set
13F-NT 0000950123-22-002900 Quarter ended 2021-12-312022-02-14acceptance time not in the bulk data set
13F-HR 0000950123-21-015487 Quarter ended 2021-09-302021-11-15acceptance time not in the bulk data set
13F-NT 0000950123-21-015490 Quarter ended 2021-09-302021-11-15acceptance time not in the bulk data set
13F-HR 0000950123-21-011113 Quarter ended 2021-06-302021-08-16acceptance time not in the bulk data set
13F-NT 0000950123-21-011118 Quarter ended 2021-06-302021-08-16acceptance time not in the bulk data set
13F-NT 0000950123-21-007074 Quarter ended 2021-03-312021-05-17acceptance time not in the bulk data set
13F-HR 0000950123-21-007079 Quarter ended 2021-03-312021-05-17acceptance time not in the bulk data set
13F-NT 0000950123-21-002931 Quarter ended 2020-12-312021-02-16acceptance time not in the bulk data set
13F-HR 0000950123-21-002948 Quarter ended 2020-12-312021-02-16acceptance time not in the bulk data set
13F-HR 0000950123-20-012128 Quarter ended 2020-09-302020-11-16acceptance time not in the bulk data set
13F-NT 0000950123-20-012137 Quarter ended 2020-09-302020-11-16acceptance time not in the bulk data set
13F-NT 0000950123-20-008655 Quarter ended 2020-06-302020-08-13acceptance time not in the bulk data set
13F-HR 0000950123-20-008652 Quarter ended 2020-06-302020-08-13acceptance time not in the bulk data set
13F-NT 0000950123-20-004934 Quarter ended 2020-03-312020-05-14acceptance time not in the bulk data set
13F-HR 0000950123-20-004927 Quarter ended 2020-03-312020-05-14acceptance time not in the bulk data set
13F-HR 0000950123-20-001884 Quarter ended 2019-12-312020-02-13acceptance time not in the bulk data set
13F-NT 0000950123-20-001883 Quarter ended 2019-12-312020-02-13acceptance time not in the bulk data set
13F-HR 0000950123-19-011393 Quarter ended 2019-09-302019-11-14acceptance time not in the bulk data set
13F-NT 0000950123-19-011395 Quarter ended 2019-09-302019-11-14acceptance time not in the bulk data set
13F-NT 0000950123-19-007820 Quarter ended 2019-06-302019-08-13acceptance time not in the bulk data set
13F-HR 0000950123-19-007818 Quarter ended 2019-06-302019-08-13acceptance time not in the bulk data set
13F-HR 0001012975-19-000346 Quarter ended 2019-03-312019-05-14acceptance time not in the bulk data set
13F-NT 0001012975-19-000348 Quarter ended 2019-03-312019-05-14acceptance time not in the bulk data set
13F-HR 0001012975-19-000145 Quarter ended 2018-12-312019-02-13acceptance time not in the bulk data set
13F-NT 0001012975-19-000146 Quarter ended 2018-12-312019-02-13acceptance time not in the bulk data set
13F-HR 0001012975-18-001201 Quarter ended 2018-09-302018-11-13acceptance time not in the bulk data set
13F-NT 0001012975-18-001203 Quarter ended 2018-09-302018-11-13acceptance time not in the bulk data set
13F-NT 0001012975-18-000954 Quarter ended 2018-06-302018-08-07acceptance time not in the bulk data set
13F-HR 0001012975-18-000952 Quarter ended 2018-06-302018-08-07acceptance time not in the bulk data set
13F-HR 0001012975-18-000415 Quarter ended 2018-03-312018-05-15acceptance time not in the bulk data set
13F-NT 0001012975-18-000417 Quarter ended 2018-03-312018-05-15acceptance time not in the bulk data set
13F-NT 0001012975-18-000162 Quarter ended 2017-12-312018-02-14acceptance time not in the bulk data set
13F-HR 0001012975-18-000160 Quarter ended 2017-12-312018-02-14acceptance time not in the bulk data set
13F-HR 0001012975-17-000806 Quarter ended 2017-09-302017-11-03acceptance time not in the bulk data set
13F-NT 0001012975-17-000808 Quarter ended 2017-09-302017-11-03acceptance time not in the bulk data set
13F-HR 0001012975-17-000578 Quarter ended 2017-06-302017-08-02acceptance time not in the bulk data set
13F-NT 0001012975-17-000580 Quarter ended 2017-06-302017-08-02acceptance time not in the bulk data set
13F-NT 0001012975-17-000379 Quarter ended 2017-03-312017-05-10acceptance time not in the bulk data set
13F-HR 0001012975-17-000377 Quarter ended 2017-03-312017-05-10acceptance time not in the bulk data set
13F-NT 0001012975-17-000115 Quarter ended 2016-12-312017-02-13acceptance time not in the bulk data set
13F-HR 0001012975-17-000113 Quarter ended 2016-12-312017-02-13acceptance time not in the bulk data set
13F-HR 0001012975-16-001561 Quarter ended 2016-09-302016-11-14acceptance time not in the bulk data set
13F-NT 0001012975-16-001567 Quarter ended 2016-09-302016-11-14acceptance time not in the bulk data set
13F-HR 0001012975-16-001432 Quarter ended 2016-06-302016-08-15acceptance time not in the bulk data set
13F-NT 0000950123-16-017859 Quarter ended 2016-03-312016-06-03acceptance time not in the bulk data set
13F-HR 0001012975-16-001005 Quarter ended 2015-12-312016-02-12acceptance time not in the bulk data set