Cytek Biosciences, Inc. Common Stock (CTKB) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for CTKB. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 152 institutions reported holding CTKB, with 81.6 million shares worth $361.3 million in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 9,578,643 | $42M | DECREASED |
| Millennium Management | 9,338,010 | $41M | INCREASED |
| Boston Partners | 7,660,943 | $34M | INCREASED |
| Vanguard | 6,867,063 | $30M | DECREASED |
| Hhlr Advisors, Ltd | 6,657,030 | $29M | UNCHANGED |
Full institutional holdings, insider history, and congressional trades for Cytek Biosciences, Inc. Common Stock on SentiSense.