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Generate Biomedicines, Inc.

GENB
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0002100782

In the last 90 days, Generate Biomedicines, Inc. insiders filed 0 open-market purchases and 1 sale; 86 institutions reported holding it in 13F filings for Q2 2026, worth $1.69B in total; ARK Invest is the only superinvestor holding it.

13F holders, Q2 2026

Institutional positions in Generate Biomedicines, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
86
+29 vs. Q1 2026
Shares held
100.0M
+7.22M (+7.8%) vs. Q1 2026
Total value
$1.69B
+$530.4M (+45.8%) vs. Q1 2026
New holders
42
24 more added
Sold out
13
10 more reduced

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GENB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 86 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 57 institutionsQ2 2026: 86 institutions
Value heldQ2 2026: $1.69B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $1.16BQ2 2026: $1.69B
Institutions holding GENB and their total value by quarter
QuarterHoldersValue
Q2 202686$1.69B
Q1 202657$1.16B
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Generate Biomedicines, Inc.; share changes are against Q1 2026.

Institutions holding GENB in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Flagship Pioneering Inc.62,673,117$1.06B68.66%00.0%Unchanged
FMR LLC5,221,599$88.1M0.00%+1,004,075+23.8%Added
Capital World Investors4,215,632$71.1M0.01%+211,483+5.3%Added
Braidwell LP3,283,844$55.4M2.05%−309,155−8.6%Reduced
Price T Rowe Associates Inc2,156,627$36.4M0.00%+46,994+2.2%Added
Norges Bank2,094,616$35.3M0.00%+2,094,616New
ARCH Venture Management, LLC1,944,426$32.8M2.98%00.0%Unchanged
HarbourVest Partners LLC1,722,210$29.1M17.09%00.0%Unchanged
BlackRock, Inc.1,659,966$28.0M0.00%+1,659,966New
Baker Bros. Advisors LP1,423,602$24.0M0.12%00.0%Unchanged
JPMorgan Chase & Co1,409,649$23.8M0.00%−1,537,610−52.2%Reduced
Deep Track Capital, LP1,333,815$22.5M0.33%+1,333,815New
ARK Investment Management LLCSuperinvestorARK Invest1,284,617$21.7M0.14%+786,209+157.7%Added
Vanguard Capital Management LLC1,132,750$19.1M0.00%+1,001,431+762.6%Added
Harvard Management Co Inc1,111,100$18.7M0.44%00.0%Unchanged
NVIDIA Corp833,325$14.1M0.02%00.0%Unchanged
Davern Capital Partners, LP824,679$13.9M2.37%+232,879+39.4%Added
Siren, L.L.C.736,104$12.4M0.25%00.0%Unchanged
Geode Capital Management, LLC735,003$12.4M0.00%+616,760+521.6%Added
State Street Corp526,565$8.88M0.00%+526,565New
Affinity Asset Advisors, LLC400,000$6.75M0.33%+50,000+14.3%Added
Morgan Stanley377,994$6.38M0.00%+40,692+12.1%Added
UBS Group AG326,273$5.50M0.00%−30,431−8.5%Reduced
Sphera Funds Management Ltd.245,000$4.13M0.59%+60,000+32.4%Added
Charles Schwab Investment Management Inc224,602$3.79M0.00%+224,602New
Northern Trust Corp197,543$3.33M0.00%+197,543New
Vanguard Fiduciary Trust Co175,356$2.96M0.00%+157,900+904.6%Added
Vanguard Portfolio Management LLC167,285$2.82M0.00%+167,285New
CenterBook Partners LP131,560$2.22M0.11%−135,253−50.7%Reduced
Alps Advisors Inc129,406$2.18M0.01%+129,406New
Seven Grand Managers, LLC125,000$2.11M0.08%00.0%Unchanged
Barclays PLC116,902$1.97M0.00%+46,008+64.9%Added
LMR Partners LLP100,000$1.69M0.01%00.0%Unchanged
Ameriprise Financial Inc91,100$1.54M0.00%+3,765+4.3%Added
Manufacturers Life Insurance Company, The84,803$1.43M0.00%+10,491+14.1%Added
Bank of New York Mellon Corp57,326$967.1K0.00%+57,326New
Bank of America Corp55,430$935.1K0.00%+21,234+62.1%Added
TD Asset Management Inc50,748$856.1K0.00%+7,882+18.4%Added
Nuveen, LLC44,470$750.2K0.00%+44,470New
Renaissance Technologies LLC39,685$669.5K0.00%+39,685New
Sumitomo Mitsui Trust Holdings, Inc.38,665$652.3K0.00%−1,679−4.2%Reduced
Nikko Asset Management Americas, Inc.38,218$644.4K0.01%−2,126−5.3%Reduced
Davy Global Fund Management Ltd37,226$628.0K0.04%+18,023+93.9%Added
Quadrature Capital Ltd31,510$531.6K0.00%+31,510New
Squarepoint Ops LLC31,406$529.8K0.00%−5,797−15.6%Reduced
Rhumbline Advisers30,648$517.0K0.00%+30,648New
Citigroup Inc30,587$516.0K0.00%+28,343+1,263.1%Added
Virtus Investment Advisers, Inc.26,430$445.9K0.10%+26,430New
XTX Topco Ltd24,956$421.0K0.01%+24,956New
Deutsche Bank AG24,135$407.2K0.00%+24,135New
Wells Fargo & Company23,302$393.1K0.00%+22,102+1,841.8%Added
Alliancebernstein L.P.22,650$382.1K0.00%+22,650New
Millennium Management LLC21,926$369.9K0.00%−354,967−94.2%Reduced
Two Sigma Investments, LP18,374$310.0K0.00%+18,374New
Magnus Financial Group LLC15,600$263.2K0.02%+15,600New
MetLife Investment Management14,841$250.4K0.00%+14,841New
Invesco Ltd.13,087$220.8K0.00%+13,087New
Axq Capital, LP12,946$218.4K0.02%+12,946New
SEI Investments Co12,088$203.9K0.00%+12,088New
Susquehanna International Group, LLP11,622$196.1K0.00%+11,622New
Mirae Asset Global ETFs Holdings Ltd.11,193$188.8K0.00%+11,193New
Parallel Advisors, LLC11,191$188.8K0.00%+5,641+101.6%Added
Goldman Sachs Group Inc11,183$188.7K0.00%−159,512−93.4%Reduced
Vanguard Global Advisers, LLC11,088$187.1K0.00%+9,863+805.1%Added
SG Americas Securities, LLC9,277$157.0K0.00%+9,277New
New York State Common Retirement Fund8,600$145.1K0.00%+8,600New
Police & Firemen's Retirement System of New Jersey7,200$121.5K0.00%+7,200New
Federated Hermes, Inc.5,000$84.3K0.00%−25,000−83.3%Reduced
Albion Financial Group4,854$81.9K0.00%00.0%Unchanged
STRS Ohio4,800$81.0K0.00%+4,800New
BNP Paribas Arbitrage, SA3,800$64.1K0.00%+3,800New
Legal & General Group Plc2,374$40.0K0.00%+2,374New
Ameritas Investment Partners, Inc.2,215$37.4K0.00%+2,215New
Russell Investments Group, Ltd.1,952$32.9K0.00%+1,952New
State of Wyoming1,407$23.7K0.00%+1,407New
Stance Capital LLC1,384$23.3K0.01%+1,384New
Royal Bank of Canada1,381$23.0K0.00%+1,150+497.8%Added
Tower Research Capital LLC (TRC)1,014$17.1K0.00%+1,013+101,300.0%Added
TD Waterhouse Canada Inc.573$9.46K0.00%+573New
Benson Wealth Management INC363$6.12K0.01%+363New
California State Teachers Retirement System336$5.67K0.00%+336New
Sterling Capital Management LLC212$3.58K0.00%+212New
Jones Financial Companies LLLP200$3.29K0.00%+200New
Avion Wealth200$3.00K0.00%+100+100.0%Added
Hollencrest Capital Management5$840.00%+5New
Caitong International Asset Management Co., Ltd1$170.00%+1New
Alyeska Investment Group, L.P.0$00.00%−500,000−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−311,986−100.0%Sold out
Jane Street Group, LLC0$00.00%−123,371−100.0%Sold out
Silverarc Capital Management, LLC0$00.00%−100,000−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−95,000−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−79,489−100.0%Sold out
HRT Financial LP0$00.00%−58,762−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−50,221−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−23,833−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−18,362−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−16,678−100.0%Sold out
Diametric Capital, LP0$00.00%−10,497−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−3,000−100.0%Sold out