CYTEK BIOSCIENCES INC (CTKB) Institutional Ownership and Insiders Activity

CYTEK BIOSCIENCES INC (CTKB) is widely held by institutional investors, with 149 firms reporting positions valued at approximately $360.33M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $42.43M in CTKB holdings in its latest filing.

Recent insider activity includes 25 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.