2026-08-26
No AI summary for this filing type
View Full Filing (SEC EDGAR)Generate Biomedicines Inc
$15.33-2.8%
+$149.2M
Net Activity
+8.38% total shares
Institutions Holding
88
Popularity Rank
#4873
Avg Weight
1.09%
Total Value
$1.7B
88 institutions currently hold GENB, with 68 net buyers and 23 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
23
Net Buying Institutions
68
Top 5 by Value
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Across its top 20 institutional holders, GENB's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 30/100, avg. turnover score 49/100).
GENB ranks #4873 out of 37501 tracked stocks by institutional interest, inside the more closely watched half of our coverage.
GENB is a top-conviction position for Flagship Pioneering, LLC — at 68.7% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
GENB is down 2.8% today, but institutions show net buying of $149.2M this quarter — a divergence between today's price move and the underlying institutional flow.
+$192.6M
Total Buy Value
$56.9M
Total Sell Value
68
Net Buyers
23
Net Sellers
GENB
Q2 2026
Top 5 Institutional Movers
GENB does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
1
Filings (90d)
$16K
Total Est. Value
1K shares
Planned Shares
| Filer | Filing Date | Est. Value |
|---|---|---|
| ARNOLD FRANCES | 2026-09-01 | $16K |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
No Schedule 13D/13G filings for this ticker
2
Filings (14d)
No AI summary for this filing type
View Full Filing (SEC EDGAR)AI summary pending
View Full Filing (SEC EDGAR)370920100
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,239
Total reported value
$2.2T
3224 13F institutions increased their position this quarter
Institutions Holding
5,987
Total reported value
$3.6T
3028 13F institutions increased their position this quarter
Institutions Holding
6,149
Total reported value
$1.8T
2966 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,110
Total reported value
$279.6B
Held by 4110 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,107
Total reported value
$712.4B
Held by 4107 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,086
Total reported value
$390.1B
Held by 4086 institutions — one of the most-tracked stocks on AlphaSMO
Access GENB's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/GENBCLI
npx alphasmo stocks get GENB