BlossomHill Therapeutics
BLSM
$14.63−$1.18 (−7.46%)TodayMarket closed ·
Prev close $15.81
Who owns BLSM
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 38.3% of BLSM’s shares.
- Cormorant Asset Management, LP11.4%
- OrbiMed Advisors, LLC8.5%
- Perceptive Advisors LLC5.7%
- Vivo Innovation Fund II Holdings, L.P.5.3%
- Next 6 largest institutions7.4%
- All other shareholders61.7%
| Holder | Shares | % of shares |
|---|---|---|
| Cormorant Asset Management, LP | 3.61M | 11.37% |
| OrbiMed Advisors, LLC | 2.71M | 8.54% |
| Perceptive Advisors LLC | 1.81M | 5.69% |
| Vivo Innovation Fund II Holdings, L.P. | 1.68M | 5.29% |
| Li (Yishan) | 1.07M | 3.36% |
| Cui (Jingrong Jean) | 1.07M | 3.36% |
| Liptak (Vincent Paul) | 106.71K | 0.34% |
| Gujrathi (Sheila) | 90.16K | 0.28% |
| Oxnard (Geoffrey Raymond M.D.) | 17.79K | 0.06% |
| Schmid (John P) | 6.00K | 0.02% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $25.18M (7 trades) of BLSM on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| ORBIMED ADVISORS LLC | Other | 1.05M | — |
| ORBIMED ADVISORS LLC | Other | 1.04M | — |
| ORBIMED ADVISORS LLC | Buy | 625.00K | $10.00M |
| ORBIMED ADVISORS LLC | Other | 1.05M | — |
| ORBIMED ADVISORS LLC | Other | 1.04M | — |
| Liptak Vincent Paul | Other | 22.69K | — |
| Liptak Vincent Paul | Other | 22.69K | — |
| Liptak Vincent Paul | Buy | 2.20K | $35.20K |
| Agrawal Sundeep | Other | 578.52K | — |
| Agrawal Sundeep | Other | 578.52K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 473.81K
- Days to cover
- 1.62
- % of shares outstanding
- 1.49%
- Average daily volume
- 291.75K
- Change since last report
- +244.4%
Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.