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TUDOR INVESTMENT CORP ET AL

Position in CTKB — Cytek Biosciences, Inc.

CIK 923093 STAMFORD, CT

Position in CTKB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$3,711,954
+$2,310,430 QoQ
Shares Held
837,913
+161.3% QoQ
Ownership
0.645%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#21
of 154 holders
Holding Since
Mar 2023
4 quarters on record
Voting authority Sole 50% Shared 50% None 0%

Common Shares in CTKB Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

TUDOR INVESTMENT CORP ET AL holds $383,302,822 across 39 Medical Devices names. CTKB ranks #15 (1.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CTKB

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,711,954 837,913
2026-03-31 $1,401,524 320,715
2025-09-30 $866,847 249,812
2023-03-31 $1,139,532 123,997