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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 2 sales; 86 institutions reported holding it in 13F filings for Q2 2026, worth $1.69B in total; ARK Invest is the only superinvestor holding it.

Key figures

Market capClose on Nov 11, 2026
$1.73B
Insider buysOpen market, last 90 days
0
Insider sellsLast 90 days, $200.7K in total
2
13F holdersQ2 2026, +29 vs. previous quarter
86
13F valueReported value at the end of Q2 2026
$1.69B
Superinvestors holdingAt the end of Q2 2026
1

Price chart

From SEC filings, in USD.

Revenue, Q2 FY2026
$6.31M
No comparable prior period

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest
9.08M
Shares sold short
Change
+154.1K
+1.7% vs. previous
Days to cover
8.87
At average daily volume

Superinvestors holding GENB, Q2 2026

Go to the superinvestors tab

1 superinvestor reports holding Generate Biomedicines, Inc. on Form 13F. Percentages are the stock's share of each portfolio.

ARK Invest

Cathie Wood

0.1%

Generate Biomedicines, Inc.'s share of the portfolio

Shares
1,284,617
Value
$21.7M

Latest insider trades

See all insider trades

Open-market purchases and sales by Generate Biomedicines, Inc. insiders from Form 4, newest first.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 4, 2026 (view filing)4:05 PM ETOct 296 daysLateArnold FrancesDirectorSSale−11.4K$16.19−$184.7K−4.9%220.1K after10b5-1
Sep 3, 2026 (view filing)4:05 PM ETSep 12 daysArnold FrancesDirectorSSale−1.00K$16.00−$16.0K−0.4%231.5K after10b5-1
Mar 6, 2026 (view filing)Mar 42 daysNally MichaelChief Executive OfficerPPurchase+20.0K$12.00+$240.0K+3.6%572.7K after
Mar 2, 2026 (view filing)5:52 PM ETMar 2Same dayAfeyan Noubar and 7 othersDirector, 10% OwnerPPurchase+4.69M$16.00+$75.0MNew position1.56M after3 lotsDuplicate filing
Mar 2, 2026 (view filing)5:42 PM ETMar 2Same dayAfeyan Noubar and 6 othersDirector, 10% OwnerPPurchase+4.69M$16.00+$75.0MNew position1.56M after3 lots
Mar 2, 2026 (view filing)Mar 2Same dayGrous BethChief People OfficerPPurchase+300$16.00+$4.80KNew position300 after
Mar 2, 2026 (view filing)Mar 2Same daySilvers JasonPresident & CFOPPurchase+2.00K$16.00+$32.0KNew position1.00K after3 lots
Mar 2, 2026 (view filing)Mar 2Same dayMendillo Jane LDirectorPPurchase+1.50K$16.00+$24.0KNew position1.50K after

Top 10 13F holders, Q2 2026

See all 86 holders

The largest institutional positions in Generate Biomedicines, Inc. at the end of Q2 2026; 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

Holders of 5% or more of GENB

See all 3 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Generate Biomedicines, Inc..

Largest holders of GENB from 13D and 13G filings
HolderLatest formStakeChangeFirst filedLatest filingFiling
Flagship Pioneering Inc.13G48.90%62.7M sharesNewMay 15, 20261 filingMay 15, 2026SEC
FMR LLC13G5.60%7.19M sharesNewNov 5, 20261 filingNov 5, 2026SEC
Nally Michael13G5.20%6.92M sharesNewMay 15, 20261 filingMay 15, 2026SEC