Cytek Biosciences Inc

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Cytek Biosciences Inc
TickerCTKB
CIK #0001831915
CUSIP23285D109
SectorLife Sciences - Laboratory Analytical Instruments
Address46107 Landing Parkway, Fremont, CA 94538
Source [EDGAR]
CIK Filing 2011 - 2025
[0001831915] 10-K
[0001831915] 10-Q
[0001831915] 3
[0001831915] 4
[0001831915] 5
[0001831915] 8-K
[0001831915] D
[0001831915] SC 13D
[0001831915] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Hillhouse Investment Management Ltd Cytek Biosciences Inc [2024-11-14] 5.1
RA Capital Management LP Cytek Biosciences Inc [2024-02-22] 5.2
Brown Capital Management LLC Cytek Biosciences Inc [2024-02-14] 8.86
Vanguard Group Inc Cytek Biosciences Inc [2023-02-09] 5.76
BlackRock Inc Cytek Biosciences Inc [2023-02-03] 6.2
3E BioVentures Capital LP Cytek Biosciences Inc [2022-02-17] 7.24
HHLR Advisors Ltd Cytek Biosciences Inc [2022-02-14] 6.5
Yan Ming Cytek Biosciences Inc [2022-02-14] 6.13
Jiang Wenbin Cytek Biosciences Inc [2022-02-14] 5.99
RA Capital Management LP Cytek Biosciences Inc [2021-08-06] 7.2
Form 3/4/5 Filer 2011 - 2025
Cytek Biosciences, Inc.
Chin Richard
Yan Ming
Busque Philippe
Barnett Valerie
Jiang Wenbin
McCombe William D.
Holder Michael
NEFF Deborah J
Ball Jack
Imper Vera
Hardison Don M
Poirson Allen
Williams Paul Christopher
Jeanmonod Patrik
Garland Jonathan Todd
Dion Gisele
RA Capital Management LP
Kolchinsky Peter
RA Capital Healthcare Fund LP
RA Capital Nexus Fund II, L.P.
Shah Rajeev M.
DENG Feng
Cameron Theresa
Form 13F Holdings
Firm Period DFND Voting Shares
BlackRock, Inc. [2025-06-30] SOLE 16,610,501 17,035,535
Vanguard Group Inc [2025-06-30] SOLE 0 7,576,120
Brown Capital Management LLC [2025-06-30] SOLE 2,983,153 7,109,995
HHLR Advisors Ltd [2025-06-30] OTR 0 6,657,030
Topline Capital Management LLC [2025-06-30] SOLE 5,231,260 5,231,260
State Street Corp [2025-06-30] DFND 3,964,635 4,173,763
Dimensional Fund Advisors LP [2025-06-30] SOLE 3,066,227 3,219,854
Geode Capital Management LLC [2025-06-30] DFND 2,729,593 2,729,593
New York State Common Retirement Fund [2025-06-30] SOLE 2,088,390 2,088,390
Royce & Associates LP [2025-06-30] SOLE 1,389,806 1,389,806
AQR Capital Management LLC [2025-06-30] DFND 1,159,695 1,204,518
Morgan Stanley [2025-06-30] DFND 1,084,322 1,150,121
Renaissance Technologies LLC [2025-06-30] SOLE 1,063,139 1,063,139
Northern Trust Corp [2025-06-30] DFND 1,036,717 1,039,802
Goldman Sachs Group Inc [2025-06-30] DFND 986,878 992,162
Millennium Management LLC [2025-06-30] SOLE 924,772 924,772
Charles Schwab Investment Management Inc [2025-06-30] SOLE 909,452 909,590
Jacobs Levy Equity Management Inc [2025-06-30] SOLE 747,933 888,339
Bank of New York Mellon Corp [2025-06-30] DFND 633,081 699,913
UBS Group AG [2025-06-30] DFND 632,052 632,052
Citadel Advisors LLC [2025-06-30] DFND 617,085 617,085
Principal Financial Group Inc [2025-06-30] DFND 572,387 572,387
JPMorgan Chase & Co [2025-06-30] DFND 334,752 430,108
Numerai GP LLC [2025-06-30] SOLE 422,318 422,318
Ameriprise Financial Inc [2025-06-30] DFND 0 412,311
Algert Global LLC [2025-06-30] SOLE 372,238 372,238
Public Sector Pension Investment Board [2025-06-30] SOLE 349,736 349,736
Invesco Ltd. [2025-06-30] DFND 0 343,659
Connor Clark & Lunn Investment Management Ltd [2025-06-30] SOLE 319,066 319,066
State of Wisconsin Investment Board [2025-06-30] SOLE 316,676 316,676
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