Zymeworks Inc. (ZYME) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for ZYME. 13F holdings as of 2026-06-30.

In 13F filings for the quarter ended June 30, 2026, 194 institutions reported holding ZYME, with 68.1 million shares worth $1.8 billion in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
Ecor1 Capital22,970,388$600MUNCHANGED
Rubric Capital Management7,000,000$183MUNCHANGED
BlackRock4,251,030$111MDECREASED
Perceptive Advisors4,182,953$109MINCREASED
Bvf Inc/IL3,649,142$95MDECREASED

Full institutional holdings, insider history, and congressional trades for Zymeworks Inc. on SentiSense.