Cytek Biosciences, Inc.
CTKB- Exchange
- Nasdaq
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001831915
No open-market purchases or sales by Cytek Biosciences, Inc. insiders were filed in the last 90 days; 154 institutions reported holding it in 13F filings for Q2 2026, worth $361.0M in total; HHLR Advisors (Hillhouse) is the only superinvestor holding it.
13F holders, Q4 2025
Institutional positions in Cytek Biosciences, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 155
- +6 vs. Q3 2025
- Shares held
- 82.0M
- +2.23M (+2.8%) vs. Q3 2025
- Total value
- $414.3M
- +$137.6M (+49.7%) vs. Q3 2025
- New holders
- 21
- 52 more added
- Sold out
- 15
- 61 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CTKB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 154 | $361.0M |
| Q1 2026 | 165 | $371.8M |
| Q4 2025 | 155 | $414.3M |
| Q3 2025 | 153 | $277.4M |
| Q2 2025 | 158 | $270.0M |
| Q1 2025 | 161 | $310.8M |
| Q4 2024 | 153 | $501.4M |
| Q3 2024 | 136 | $415.3M |
| Q2 2024 | 129 | $425.1M |
| Q1 2024 | 125 | $540.9M |
| Q4 2023 | 105 | $719.9M |
| Q3 2023 | 107 | $427.7M |
| Q2 2023 | 101 | $657.9M |
| Q1 2023 | 102 | $629.6M |
| Q4 2022 | 103 | $654.1M |
| Q3 2022 | 88 | $898.5M |
| Q2 2022 | 85 | $567.8M |
| Q1 2022 | 74 | $514.5M |
| Q4 2021 | 52 | $571.9M |
| Q3 2021 | 54 | $733.8M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Cytek Biosciences, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Prelude Capital Management, LLC | 13,400 | $67.7K | 0.00% | +13,400 | New |
| State of Wyoming | 13,022 | $65.8K | 0.01% | +2,268+21.1% | Added |
| Everhart Financial Group, Inc. | 12,962 | $65.5K | 0.01% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 12,568 | $63.5K | 0.00% | +312+2.5% | Added |
| Neuberger Berman Group LLC | 12,404 | $62.6K | 0.00% | +12,404 | New |
| JustInvest LLC | 12,245 | $61.8K | 0.00% | +687+5.9% | Added |
| Franklin Resources Inc | 10,357 | $52.3K | 0.00% | −76,411−88.1% | Reduced |
| M&T Bank Corp | 10,257 | $51.8K | 0.00% | +10,257 | New |
| Ameritas Investment Partners, Inc. | 9,823 | $49.6K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 7,237 | $36.5K | 0.00% | −1,564−17.8% | Reduced |
| Sterling Capital Management LLC | 6,822 | $34.5K | 0.00% | −1,291−15.9% | Reduced |
| Royal Bank of Canada | 5,525 | $28.0K | 0.00% | +1,403+34.0% | Added |
| Caitong International Asset Management Co., Ltd | 5,144 | $26.0K | 0.01% | +2,388+86.6% | Added |
| SBI Securities Co., Ltd. | 5,010 | $25.3K | 0.00% | +2,500+99.6% | Added |
| Federated Hermes, Inc. | 4,579 | $23.1K | 0.00% | +231+5.3% | Added |
| Nisa Investment Advisors, LLC | 3,653 | $18.4K | 0.00% | −1,227−25.1% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 3,488 | $17.6K | 0.00% | +3,488 | New |
| Tower Research Capital LLC (TRC) | 3,238 | $16.4K | 0.00% | −4,637−58.9% | Reduced |
| Simplex Trading, LLC | 2,003 | $10.1K | 0.00% | +1,318+192.4% | Added |
| Essential Partners LLC | 1,934 | $9.77K | 0.00% | −442−18.6% | Reduced |
| Private Wealth Management Group, LLC | 1,694 | $8.55K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 1,579 | $7.97K | 0.00% | −206−11.5% | Reduced |
| Group One Trading, L.P. | 1,500 | $7.58K | 0.00% | +1,500 | New |
| Umb Bank N A | 1,382 | $6.98K | 0.00% | +451+48.4% | Added |
| Allworth Financial LP | 1,049 | $5.30K | 0.00% | +52+5.2% | Added |
| Rockefeller Capital Management L.P. | 1,026 | $5.18K | 0.00% | +851+486.3% | Added |
| Fifth Third Bancorp | 912 | $4.61K | 0.00% | +52+6.0% | Added |
| UBS Asset Management Americas Inc | 832 | $4.20K | 0.00% | +832 | New |
| IFP Advisors, Inc | 710 | $3.59K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 613 | $3.10K | 0.00% | −204−25.0% | Reduced |
| Bessemer Group Inc | 593 | $3.00K | 0.00% | +281+90.1% | Added |
| GAMMA Investing LLC | 517 | $2.61K | 0.00% | +517 | New |
| Salomon & Ludwin, LLC | 460 | $2.40K | 0.00% | +181+64.9% | Added |
| US Bancorp | 454 | $2.29K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 438 | $2.21K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 435 | $2.20K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 306 | $1.54K | 0.00% | −83,844−99.6% | Reduced |
| Rothschild Investment LLC | 276 | $1.39K | 0.00% | +11+4.2% | Added |
| Jones Financial Companies LLLP | 254 | $1.28K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 240 | $1.21K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 289 | $1.00K | 0.00% | +289 | New |
| Parkside Financial Bank & Trust | 193 | $976 | 0.00% | +127+192.4% | Added |
| Smartleaf Asset Management LLC | 127 | $640 | 0.00% | +127 | New |
| Advisor Group Holdings, Inc. | 117 | $591 | 0.00% | +97+485.0% | Added |
| Farther Finance Advisors, LLC | 95 | $480 | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 60 | $303 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 54 | $273 | 0.00% | +54 | New |
| CIBC Private Wealth Group, LLC | 26 | $131 | 0.00% | +26 | New |
| Clearstead Advisors, LLC | 24 | $122 | 0.00% | −1,051−97.8% | Reduced |
| Cedar Mountain Advisors, LLC | 21 | $106 | 0.00% | +21 | New |
| Ankerstar Wealth, LLC | 14 | $71 | 0.00% | +14 | New |
| SRS Capital Advisors, Inc. | 12 | $61 | 0.00% | −30,247−100.0% | Reduced |
| Gilpin Wealth Management, LLC | 9 | $46 | 0.00% | +9 | New |
| Keating Financial Advisory Services, Inc. | 2 | $10 | 0.00% | +2 | New |
| Covestor Ltd | 21 | $0 | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −249,812−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −158,641−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −134,286−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −109,098−100.0% | Sold out |
| Public Employees Retirement System of Ohio | 0 | $0 | 0.00% | −81,106−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −62,970−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −61,600−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −47,480−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −37,509−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −28,452−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −23,379−100.0% | Sold out |
| CIBC Asset Management Inc | 0 | $0 | 0.00% | −11,100−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −1,036−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −81−100.0% | Sold out |
| Sunbelt Securities, Inc. | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |
| CIBC Bancorp USA Inc. | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |