BlossomHill Therapeutics, Inc. Common Stock (BLSM) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for BLSM. 13F holdings as of 2026-09-30.

In 13F filings for the quarter ended September 30, 2026, 6 institutions reported holding BLSM, with 1.3 million shares worth $23.3 million in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
FMR1,027,293$19MNEW
Geode Capital Management119,176$2MNEW
Monashee Investment Management80,000$1MNEW
Squarepoint Ops23,150$432KNEW
Citigroup1,279$24KNEW

Full institutional holdings, insider history, and congressional trades for BlossomHill Therapeutics, Inc. Common Stock on SentiSense.