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Flagship Pioneering, LLC

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13F filer, CIK 1400240, CAMBRIDGE, MA

Flagship Pioneering, LLC reported $591,878,313 across 6 holdings for the quarter ended 2024-09-30, in a 13F-HR filed 2024-11-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000950123-24-011756

Period
2024-09-30
Reported value
$592M
Holdings
6
Top 10 weight
100%
New
0
Sold out
0

Holdings, Q3 2024

Share positions as resolved from 13F-HR 0000950123-24-011756, largest first. % of portfolio is the value over $591,878,313, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
MRNAMODERNA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,632,149 shares 4,632,149$310M52.3%0Timeline
FHTXFOGHORN THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,674,120 shares 12,674,120$118M19.94%0Timeline
SANASANA BIOTECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 25,001,856 shares 25,001,856$104M17.57%0Timeline
OMEGA THERAPEUTICS INCOMEGA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 29,225,579 shares 29,225,579$35.7M6.02%0
SERES THERAPEUTICS INCSERES THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 23,117,045 shares 23,117,045$21.9M3.7%0
SYRSSYROS PHARMACEUTICALS INC COMQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,293,849 shares 1,293,849$2.78M0.47%0Timeline

How Q3 2024 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000950123-24-011756 base2024-11-14acceptance time not in the bulk data set