13F

Stock

Generate Biomedicines, Inc.

GENB · held by 57 managers

Reported value

$1.13B

Holders

57

+54 new · −0 exited

Holders’ est. mark

—

Need a prior quarter

Largest holder

$783.4M

Flagship Pioneering, LLC

Notable conviction

Share of each notable manager’s 13F book.

Who holds it

Notable only
InvestorSharesValueEst. markChange
Flagship Pioneering, LLC62.7M$783.4M—New
Fidelity4.22M$52.7M—New
Capital World Investors4M$50.1M—New
BRAIDWELL LP3.59M$44.9M—New
JPMORGAN CHASE & CO2.95M$33.9M—New
ARCH Venture Management, LLC1.94M$24.3M—New
HarbourVest Partners LLC1.72M$21.5M—New
BAKER BROS. ADVISORS LP1.42M$17.8M—New
HARVARD MANAGEMENT CO INC1.11M$13.9M—New
NVIDIA CORP833.3K$10.4M—New
Siren, L.L.C.736.1K$9.2M—New
Davern Capital Partners, LP591.8K$7.4M—New
Alyeska Investment Group, L.P.500K$6.25M—New
ARK Investment Management LLC498.4K$6.23M—New
MILLENNIUM MANAGEMENT LLC376.9K$4.71M—New
UBS Group AG356.7K$4.46M—New
Affinity Asset Advisors, LLC350K$4.38M—New
MORGAN STANLEY337.3K$4.22M—New
ExodusPoint Capital Management, LP312K$3.9M—New
CenterBook Partners LP266.8K$3.34M—New
SPHERA FUNDS MANAGEMENT LTD.185K$2.31M—New
GOLDMAN SACHS GROUP INC170.7K$2.13M—New
VANGUARD CAPITAL MANAGEMENT LLC131.3K$1.64M—Held
SEVEN GRAND MANAGERS, LLC125K$1.56M—New
JANE STREET GROUP, LLC123.4K$1.54M—New
GEODE CAPITAL MANAGEMENT, LLC118.2K$1.48M—New
LMR Partners LLP100K$1.25M—New
SILVERARC CAPITAL MANAGEMENT, LLC100K$1.25M—New
D. E. Shaw & Co., Inc.95K$1.19M—New
AMERIPRISE FINANCIAL INC87.3K$1.09M—New
Balyasny Asset Management L.P.79.5K$993.6K—New
MANUFACTURERS LIFE INSURANCE COMPANY, THE74.3K$928.9K—New
BARCLAYS PLC70.9K$886.2K—New
Qube Research & Technologies Ltd50.2K$627.8K—New
TD Asset Management Inc42.9K$535.8K—New
Sumitomo Mitsui Trust Group, Inc.40.3K$504.3K—New
Amova Asset Management Americas, Inc.40.3K$499.5K—New
Squarepoint Ops LLC37.2K$465K—New
BANK OF AMERICA CORP /DE/34.2K$427.4K—New
FEDERATED HERMES, INC.30K$375K—New
TUDOR INVESTMENT CORP ET AL23.8K$297.9K—New
IQ EQ FUND MANAGEMENT (IRELAND) Ltd19.2K$240K—New
Y-Intercept (Hong Kong) Ltd18.4K$229.5K—New
VANGUARD FIDUCIARY TRUST CO17.5K$218.2K—Held
Hudson Bay Capital Management LP16.7K$208.5K—New
Diametric Capital, LP10.5K$131.2K—New
Parallel Advisors, LLC5.55K$69.4K—New
ALBION FINANCIAL GROUP /UT4.85K$60.7K—New
CITIGROUP INC2.24K$28.1K—New
PRICE T ROWE ASSOCIATES INC /MD/2.11M$26.4K—New
Vanguard Global Advisers, LLC1.23K$15.3K—Held
WELLS FARGO & COMPANY/MN1.2K$15K—New
ROYAL BANK OF CANADA231$3K—New
HRT FINANCIAL LP58.8K$734—New
FNY Investment Advisers, LLC3K$37—New
Tower Research Capital LLC (TRC)1$12—New
Avion Wealth100$1—New

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.