Cullinan Therapeutics
CGEM · NASDAQ
$14.83+$0.85 (+6.08%)TodayMarket closed ·
Prev close $13.98
Who owns CGEM
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 75.6% of CGEM’s shares.
- MPM BioImpact LLC15.8%
- Lynx1 Capital Advisors LLC14.6%
- BVF Partners L.P.9.4%
- BlackRock Institutional Trust Company, N.A.7.5%
- Next 6 largest institutions28.3%
- All other shareholders24.4%
| Holder | Shares | % of shares |
|---|---|---|
| MPM BioImpact LLC | 9.73M | 15.83% |
| Lynx1 Capital Advisors LLC | 8.96M | 14.58% |
| BVF Partners L.P. | 5.75M | 9.36% |
| BlackRock Institutional Trust Company, N.A. | 4.64M | 7.54% |
| T. Rowe Price Associates, Inc. | 3.72M | 6.06% |
| State Street Investment Management (US) | 3.67M | 5.97% |
| Kynam Capital Management LP | 3.11M | 5.07% |
| Vanguard Capital Management, LLC | 2.61M | 4.25% |
| RTW Investments L.P. | 2.36M | 3.85% |
| Invus Public Equities Advisors, LLC | 1.89M | 3.08% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| State Street SPDR S&P Biotech ETF | 2.51M | 4.08% |
| Vanguard Total Stock Market Index Fund | 1.95M | 3.18% |
| iShares Russell 2000 ETF | 1.57M | 2.56% |
| T. Rowe Price New Horizons Fund | 1.02M | 1.66% |
| Fidelity Small Cap Index Fund | 655.91K | 1.07% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $1.04M (5 trades) of CGEM on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Michaelson Jennifer | Option exercise | 4.00K | — |
| Michaelson Jennifer | Sale | 8.00K | $172.56K |
| Michaelson Jennifer | Option exercise | 4.00K | $17.20K |
| Michaelson Jennifer | Option exercise | 30.00K | — |
| Michaelson Jennifer | Sale | 30.00K | $607.80K |
| Michaelson Jennifer | Option exercise | 30.00K | $129.00K |
| Michaelson Jennifer | Option exercise | 4.00K | — |
| Michaelson Jennifer | Sale | 8.00K | $142.56K |
| Michaelson Jennifer | Option exercise | 4.00K | $17.20K |
| SUMER JACQUELYN L | Award | 2.47K | $21.24K |
Short interest
Settled Sep 30, 2026
- Shares short
- 7.63M
- Days to cover
- 5.07
- % of shares outstanding
- 12.42%
- Average daily volume
- 1.51M
- Change since last report
- −20.7%
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