Generate Biomedicines, Inc. - Common Stock, $0.001 par value per share (GENB)

CUSIP: 370920100

Q2 2026 13F Holders as of 30 Jun 2026

Holder snapshot 6 signals
Share change
-5,762
SEC-reported price per share
$16.87
Number of holders
1
Value change
-$3,353
Number of buys
1
Number of sells
2
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
128,224,775

Security key

370920100

Report period

Q2 2026

Institutions

1

Top holders

1

Ownership snapshot

Top reported holders of GENB - Generate Biomedicines, Inc. - Common Stock, $0.001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Flagship Pioneering, LLC
Disclosed value leader
Flagship Pioneering, LLC
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G 13F 3/4/5 Lead comparable stake: 49% 13D/G row: Flagship Pioneering, LLC Showing 1-6 of 15 holder rows.

Quick read

Flagship Pioneering, LLC leads the comparable SEC ownership view at 49%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Flagship Pioneering, LLC's linked filing trail.
Comparable ownership Top 5
Flagship Pioneering, LLC 49%
Michael Nally 5.2%
FMR LLC 3.3%
Capital World Investors 3.1%
BRAIDWELL LP 2.8%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Flagship Pioneering, LLC
13D/G 13F
Afeyan Noubar · Company
49%
$802,584,512
62,701,915 shares
$0 31 Mar 2026
Michael Nally
13D/G 3/4/5
Nally Michael · Chief Executive Officer, Director
5.2%
$88,563,853
6,919,051 shares
$0 31 Mar 2026
FMR LLC
13F
Company
13F
3.3%
$52,719,051
4,217,524 shares
31 Mar 2026
Capital World Investors
13F
Company
13F
3.1%
$50,051,863
4,004,149 shares
31 Mar 2026
BRAIDWELL LP
13F
Company
13F
2.8%
$44,912,488
3,592,999 shares
31 Mar 2026
JPMORGAN CHASE & CO
13F
Company
13F
2.3%
$33,922,951
2,947,259 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
1
Shares
15,600
Rows available
1
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders
57
Q2 2026 holders
1
Holder diff
-56
Investor Q1 2026 Shares Q2 2026 Shares Share Diff Share Chg % Q1 2026 value Q2 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .