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Cytek Biosciences
CTKB

Fund managers haven’t disclosed any holdings of CTKB yet.

CTKB Hedge Fund Activity: Q1 2026 in Review

165 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in Cytek Biosciences (CTKB) for Q1 2026, worth a combined $372M — down 10% from $414M a quarter earlier.

Buyers outnumbered sellers: 24 funds opened new CTKB positions and 11 closed out — a net gain of 13 holders — while 68 added to existing stakes and 51 trimmed.

The largest buyer was Millennium Management, adding an estimated $7.27M. The largest seller was Wellington Management Group, exiting entirely with an estimated $3.86M sold.

  • 165 institutional investors held Cytek Biosciences (CTKB) as of Q1 2026, up from 155 in Q4 2025.
  • Funds reported $372M of Cytek Biosciences stock for Q1 2026, down 10% quarter-over-quarter.
  • 24 funds opened new Cytek Biosciences positions in Q1 2026 and 11 closed out, a net change of +13 holders.
  • The largest Cytek Biosciences buyer in Q1 2026 was Millennium Management, an estimated $7.27M added.
  • The largest Cytek Biosciences seller in Q1 2026 was Wellington Management Group, an estimated $3.86M sold.

Based on aggregated 13F filings for Q1 2026.