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
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 18 | $2.8M |
| Exits | 12 | $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 |
"% of holder's portfolio" is CTKB's weight in each manager's 13F, not the share of Cytek Biosciences Inc. the manager owns.