Generate Biomedicines, Inc. GENB

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13.06 USD +0.49 (+3.90%)

At closeNov 6, 2026, 4:00 PM EST

13.06 0.00 0.00%

After hours · Nov 6, 4:00 PM ET

12.47 Day range 13.17

11.00 52-week range 22.67

Held by insiders 14.04%

Held by institutions 79.08%

Float held by institutions 92.00%

Institutions 137

Top institutional holders
Holder	% held	Shares	Value	Reported
Flagship Pioneering LLC	48.83%	62,673,117	818.51M	Jun 29, 2026
FMR, LLC	4.07%	5,221,599	68.19M	Jun 29, 2026
Capital World Investors	3.28%	4,215,632	55.06M	Jun 29, 2026
Braidwell LP	2.56%	3,283,844	42.89M	Jun 29, 2026
Price (T.Rowe) Associates Inc	1.68%	2,156,627	28.17M	Jun 29, 2026
NORGES BANK	1.63%	2,094,616	27.36M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
SmallCap World Fund Inc	2.92%	3,752,630	49.01M	Sep 29, 2026
Fidelity Mt. Vernon Street Trust-Fidelity Growth Company Fund	1.92%	2,462,992	32.17M	Sep 29, 2026
ARK ETF Trust-ARK Genomic Revolution ETF	1.22%	1,571,881	20.53M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	0.64%	816,876	10.67M	Jun 29, 2026
Fidelity Mt. Vernon Street Trust-Fidelity Growth Company K6 Fund	0.59%	763,690	9.97M	Sep 29, 2026
iShares Trust-iShares Russell 2000 ETF	0.50%	636,804	8.32M	Sep 29, 2026

GENB insiders
Insider	Relation	Latest transaction	Date	Shares held
AFEYAN NOUBAR BOGHOS	Director and Beneficial Owner of more than 10% of a Class of Security	Purchase	Mar 1, 2026	0
ARNOLD FRANCES H PH.D.	Director	Sale	Oct 28, 2026	452,535
BANCEL STEPHANE J	Director	Conversion of Exercise of derivative security	Mar 1, 2026	0
GROUS BETH	Officer	Purchase	Mar 1, 2026	0
MENDILLO JANE L.	Director	Purchase	Mar 1, 2026	1,500
NALLY MICHAEL	Chief Executive Officer	Purchase	Mar 3, 2026	2,889,150

Ownership