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13F-HR filed by Flagship Pioneering, LLC

Flagship Pioneering, LLC filed this 13F-HR for the quarter ended 2023-12-31, filed 2024-02-14, with 7 holding rows worth $1,325,311,872.

Accession
0000950123-24-002510
Filed
2024-02-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q4 2023

A holdings report, 13 entries on the cover page, a total value of $1,325,311,872 stated on the cover page (in dollars after the unit check, H1), rows summing to $1,325,311,872 with VALUE read as dollars as filed, 13F file number 028-17559. The quarter's positions are built on this report. The resolved quarter.

Other managers

  • included managerFlagship Ventures Fund V General Partner LLC 028-18466
  • included managerFlagship Ventures Fund IV General Partner LLC 028-17238
  • included managerNoubar Afeyan 028-19988

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
MODERNA INC60770K107COM9,666,038$961,287,479dollars as filed
SANA BIOTECHNOLOGY INC799566104COM25,001,856$102,007,573dollars as filed
OMEGA THERAPEUTICS INC68217N105COMMON STOCK29,225,579$87,968,993dollars as filed
FOGHORN THERAPEUTICS INC344174107COMMON STOCK12,674,120$81,748,073dollars as filed
DENALI THERAPEUTICS INC COM24823R105Stock2,319,968$49,786,513dollars as filed
SERES THERAPEUTICS INC81750R102COM23,117,045$32,434,165dollars as filed
SYROS PHARMACEUTICALS INC87184Q206COM NEW1,293,848$10,079,076dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0000950123-24-002510this filing2024-02-14acceptance time not in the bulk data set