Cytek BiosciencesCTKB

13F holders, Q3 2024 (September 30)
136holders +7
18new positions
12sold out
4famous investors
$5.54avg. 13F price*

At the end of Q3 2024, 136 institutions reported holding Cytek Biosciences Inc. (CTKB) in their 13F filings, up 7 from Q2 2024. 18 opened new positions and 12 sold out. The largest holders were BlackRock, Inc. ($102.4M), Vanguard Group Inc. ($65.3M) and Brown Capital Management LLC ($52.6M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Cytek Biosciences Inc.
CUSIP
23285D109
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200 Q1 2024: 125Q1 2024Q2 2024: 129Q2 2024Q3 2024: 136Q3 2024Q4 2024: 152Q4 2024Q1 2025: 160Q1 2025Q2 2025: 158Q2 2025Q3 2025: 153Q3 2025Q4 2025: 155Q4 2025Q1 2026: 165Q1 2026Q2 2026: 154Q2 2026

Total Exit/New Position Q2 2024 → Q3 2024

InstitutionsTotal Value
New Positions18$2.8M
Exits12$1.1M

All 13F filers, Q2 2024 → Q3 2024: 2,403,381 shares bought and 5,048,703 shares sold, net −2,645,322 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 136 holders

BlackRock, Inc. 0.00% — 18,492,291 $102.4M
Vanguard Group Inc. 0.00% Add +0.3% 11,778,054 $65.3M
Brown Capital Management LLC 1.13% Reduce -16.6% 9,493,474 $52.6M
HHLR Advisors, LTD. 0.81% No change 6,657,030 $36.9M
State Street Corp. 0.00% Add +4.9% 4,167,501 $23.1M
Geode Capital Management, LLC 0.00% Add +3.5% 2,668,004 $14.8M
New York State Common Retirement Fund 0.02% Reduce -29.2% 2,088,390 $11.6M
Wellington Management Group LLP 0.00% Reduce -6.0% 2,007,139 $11.1M
Dimensional Fund Advisors LP 0.00% Add +7.0% 1,567,825 $8.7M
Northern Trust Corp. 0.00% Reduce -1.7% 1,067,063 $5.9M
Morgan Stanley 0.00% Add +19.3% 1,067,058 $5.9M
Charles Schwab Investment Management Inc. 0.00% Add +12.3% 1,030,962 $5.7M
Goldman Sachs Group Inc. 0.00% Reduce -24.6% 1,022,744 $5.7M
Bank of New York Mellon Corp 0.00% Reduce -10.6% 719,044 $4.0M
FMR LLC 0.00% Add +4.8% 667,076 $3.7M
Connor, Clark & Lunn Investment Management Ltd. 0.02% Reduce -2.5% 615,630 $3.4M
JPMorgan Chase & Co. 0.00% Reduce -1.6% 598,537 $3.3M
FIL Ltd 0.00% No change 573,600 $3.2M
Principal Financial Group Inc. 0.00% Add +4.8% 503,172 $2.8M
Ameriprise Financial Inc. 0.00% Add +32.1% 353,441 $2.0M
Invesco Ltd. 0.00% Add +3.9% 332,905 $1.8M
Algert Global LLC 0.05% Add +11.6% 329,375 $1.8M
Nuveen Asset Management, LLC 0.00% No change 317,301 $1.8M
Rhumbline Advisers 0.00% Reduce -17.1% 294,525 $1.6M
Legal & General Group Plc 0.00% Add +4.6% 292,338 $1.6M
State of Wisconsin Investment Board 0.00% Reduce -1.0% 272,533 $1.5M
Citadel Advisors 0.00% Add +373.6% 270,572 $1.5M
Public Sector Pension Investment Board 0.01% Add +7.2% 226,013 $1.3M
Swiss National Bank 0.00% No change 218,800 $1.2M
Renaissance Technologies 0.00% Reduce -9.5% 211,600 $1.2M
Bank of America Corp. 0.00% Add +2.3% 206,468 $1.1M
Barclays PLC 0.00% Add +333.6% 201,359 $1.1M
Millennium Management 0.00% Reduce -79.9% 190,609 $1.1M
American Century Companies Inc. 0.00% Add +19.4% 184,943 $1.0M
Teachers Retirement System of the State of Kentucky 0.01% Add +24.1% 183,601 $1.0M
Jacobs Levy Equity Management, Inc. 0.00% New 182,713 $1.0M
Royce & Associates LP 0.01% Add +51.8% 181,394 $1.0M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -12.3% 174,625 $967K
Trexquant Investment LP 0.01% Add +16.8% 161,690 $896K
Alliancebernstein L.P. 0.00% No change 152,492 $845K
Citigroup Inc. 0.00% Add +83.8% 141,619 $785K
Jane Street Group, LLC 0.00% Reduce -29.1% 136,402 $756K
Voloridge Investment Management, LLC 0.00% Reduce -48.9% 131,578 $729K
ExodusPoint Capital Management, LP 0.01% Add +222.0% 119,242 $661K
Squarepoint Ops LLC 0.00% Reduce -41.0% 110,581 $613K
Prudential Financial Inc. 0.00% Add +6.5% 109,782 $608K
California State Teachers Retirement System 0.00% Reduce -2.8% 106,202 $588K
Sherbrooke Park Advisers LLC 0.13% Add +248.1% 104,386 $578K
Alyeska Investment Group, L.P. 0.00% No change 100,000 $554K
Thrivent Financial for Lutherans 0.00% Add +5.2% 83,648 $463K
AQR Capital Management 0.00% Add +32.9% 79,906 $443K
First Trust Advisors LP 0.00% Add +27.7% 76,810 $426K
Jump Financial, LLC 0.01% New 73,697 $408K
Franklin Resources Inc. 0.00% New 76,117 $405K
MetLife Investment Management, LLC 0.00% No change 70,240 $389K
Corebridge Financial, Inc. 0.00% Reduce -0.3% 69,084 $383K
State of Tennessee, Department of Treasury 0.00% Add +38.0% 67,499 $374K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +7.9% 66,701 $370K
Deutsche Bank AG 0.00% Add +17.1% 66,640 $369K
Janus Henderson Group PLC 0.00% No change 64,873 $359K
State of Alaska, Department of Revenue 0.00% Add +8.0% 60,785 $336K
Wells Fargo & Company 0.00% Add +4.5% 55,724 $309K
Louisiana State Employees Retirement System 0.01% Add +6.8% 51,500 $285K
NorthCrest Asset Manangement, LLC 0.01% Add +0.0% 51,167 $283K
EntryPoint Capital, LLC 0.16% Reduce -48.5% 51,030 $283K
Public Employees Retirement System of Ohio 0.00% New 48,520 $269K
Manufacturers Life Insurance Company, The 0.00% Reduce -27.0% 46,740 $259K
New York State Teachers Retirement System 0.00% No change 45,363 $251K
Voya Investment Management LLC 0.00% Add +4.0% 43,296 $240K
T. Rowe Price Associates Inc. 0.00% Add +3.1% 39,503 $219K
Russell Investments Group, Ltd. 0.00% Add +357.0% 38,205 $212K
Verition Fund Management LLC 0.00% Add +175.8% 37,942 $210K
Gsa Capital Partners LLP 0.02% Add +158.7% 37,884 $210K
Allianz Asset Management GmbH 0.00% No change 37,400 $207K
Maryland State Retirement & Pension System 0.00% Add +7.7% 35,970 $199K
Prelude Capital Management, LLC 0.02% Add +112.2% 35,884 $199K
State Board of Administration of Florida Retirement System 0.00% No change 34,670 $192K
Arizona State Retirement System 0.00% Add +3.2% 32,130 $178K
Yousif Capital Management, LLC 0.00% Reduce -8.0% 31,538 $175K
Amalgamated Bank 0.00% Add +5.5% 30,878 $171K
Comerica Bank 0.00% Add +0.5% 30,010 $166K
State of Wyoming 0.02% Add +18.9% 28,378 $157K
Dynamic Technology Lab Private Ltd 0.02% Add +19.3% 28,003 $155K
STRS Ohio 0.00% New 26,200 $145K
XTX Topco Ltd 0.01% New 26,150 $145K
Oxford Asset Management LLP 0.12% New 25,257 $140K
Oregon Public Employees Retirement Fund 0.00% Add +7.7% 25,050 $139K
ProShare Advisors LLC 0.00% Add +37.9% 25,028 $139K
Intech Investment Management LLC 0.00% New 23,137 $128K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Add +10.3% 22,768 $126K
Victory Capital Management Inc. 0.00% Reduce -1.1% 22,745 $126K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 20,701 $115K
UBS Group AG 0.00% Reduce -76.2% 18,944 $105K
Deerfield Management Company, L.P. 0.00% Reduce -88.7% 17,586 $97K
Susquehanna International Group, LLP 0.00% Reduce -81.7% 17,004 $94K
Praxis Investment Management Inc. 0.01% Add +20.9% 16,760 $93K
Mutual of America Capital Management LLC 0.00% Add +1.7% 16,020 $89K
HSBC Holdings PLC 0.00% Add +12.4% 15,406 $86K
Mariner, LLC 0.00% Reduce -1.4% 15,317 $85K
SlateStone Wealth, LLC 0.01% Add +19.2% 14,895 $83K
Olympiad Research LP 0.05% New 12,984 $72K
Royal Bank of Canada 0.00% Add +6.8% 12,188 $68K
Ameritas Investment Partners, Inc. 0.00% No change 12,042 $67K
Bank of Montreal 0.00% Add +16.5% 11,996 $65K
CIBC Asset Management Inc 0.00% Add +4.5% 10,826 $60K
Graham Capital Management, L.P. 0.00% New 10,220 $57K
Federated Hermes, Inc. 0.00% Add +74.2% 7,024 $39K
PNC Financial Services Group, Inc. 0.00% Reduce -38.2% 4,185 $23K
Tower Research Capital LLC (TRC) 0.00% Reduce -85.9% 2,402 $13K
Canada Pension Plan Investment Board 0.00% New 2,400 $13K
Fifth Third Bancorp 0.00% Add +163.4% 2,176 $12K
Nisa Investment Advisors, LLC 0.00% Add +15.3% 2,016 $11K
GAMMA Investing LLC 0.00% Add +21.4% 1,297 $7K
Simplex Trading, LLC 0.00% Reduce -3.4% 1,440 $7K
Smartleaf Asset Management LLC 0.00% Add +118.6% 1,150 $6K
Versant Capital Management, Inc 0.00% New 1,028 $6K
US Bancorp \de 0.00% New 1,000 $6K
Allspring Global Investments Holdings, LLC 0.00% Reduce -96.3% 929 $5K
Farther Finance Advisors, LLC 0.00% Add +2.0% 865 $5K
Cwm, LLC 0.00% Reduce -51.8% 503 $3K
Sterling Capital Management LLC 0.00% — 432 $2K
CIBC Private Wealth Group LLC 0.00% No change 154 $853
UMB Bank, n.a. 0.00% Add +162.0% 131 $726
Signaturefd, LLC 0.00% New 113 $626
Quadrant Capital Group LLC 0.00% New 99 $549
Allworth Financial LP 0.00% New 98 $543
Rothschild Investment LLC 0.00% Add +75.0% 70 $388
AlphaQuest LLC 0.00% No change 68 $377
Parkside Financial Bank & Trust 0.00% Add +185.7% 60 $333
Farmers & Merchants Investments Inc. 0.00% No change 60 $332
Osaic Holdings, Inc. 0.00% Reduce -47.2% 47 $260
Larson Financial Group LLC 0.00% No change 24 $133
Mendota Financial Group, LLC 0.00% New 13 $73
Earned Wealth Advisors, LLC 0.00% New 12 $66
Capital Advisors, Ltd. LLC 0.00% No change 39 $0
Covestor Ltd 0.00% Add +150.0% 25 $0

"% of holder's portfolio" is CTKB's weight in each manager's 13F, not the share of Cytek Biosciences Inc. the manager owns.