BlossomHill Therapeutics, Inc.BLSM

3 13D/G filings 3 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings

2 SCHEDULE 13D · 1 SCHEDULE 13G

Distinct filers

multi-activist cluster

Insiders (365d)

0 buys · 0 sales

Latest short DTC

1.62

as of 2026-09-30

Filed	Form	Filer	Stake	Shares
2026-08-18	SCHEDULE 13D	ORBIMED ADVISORS LLC	8.90%	2,714,279	view →
2026-08-17	SCHEDULE 13G	Vivo Innovation Fund II Holdings, L.P.	—	—	view →
2026-08-13	SCHEDULE 13D	Cormorant Asset Management, LP	11.80%	959,090	view →

Settlement	Short Interest	Days to Cover	% Δ vs prior
2026-09-30	473,807	1.62	+244.4%
2026-09-15	137,567	1.00	+24.2%
2026-08-31	110,782	1.00	-1.0%
2026-08-14	111,892	1.00	+100.0%

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