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, Q2 2025
Institutional positions in Cytek Biosciences, Inc. as of Jun 30, 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
- 158
- −3 vs. Q1 2025
- Shares held
- 79.4M
- +1.88M (+2.4%) vs. Q1 2025
- Total value
- $270.0M
- −$40.9M (−13.2%) vs. Q1 2025
- New holders
- 24
- 66 more added
- Sold out
- 27
- 47 more reduced
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Cytek Biosciences, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Teachers Retirement System of the State of Kentucky | 24,338 | $83.0K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 23,475 | $79.8K | 0.00% | −475−2.0% | Reduced |
| Royal Bank of Canada | 22,448 | $76.0K | 0.00% | +2,991+15.4% | Added |
| Victory Capital Management Inc | 21,285 | $72.4K | 0.00% | −329−1.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 20,701 | $70.4K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 20,250 | $68.8K | 0.00% | +19,984+7,512.8% | Added |
| KLP Kapitalforvaltning AS | 20,200 | $68.7K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 19,760 | $67.2K | 0.00% | +15,250+338.1% | Added |
| Sanctuary Advisors, LLC | 18,225 | $62.0K | 0.00% | +18,225 | New |
| SlateStone Wealth, LLC | 17,967 | $61.0K | 0.01% | −1,162−6.1% | Reduced |
| US Bancorp | 17,808 | $60.5K | 0.00% | +7,128+66.7% | Added |
| Mariner, LLC | 17,239 | $58.6K | 0.00% | +17,239 | New |
| NorthCrest Asset Manangement, LLC | 15,258 | $57.4K | 0.00% | −15,519−50.4% | Reduced |
| The PNC Financial Services Group, Inc. | 16,478 | $56.0K | 0.00% | +12,662+331.8% | Added |
| Los Angeles Capital Management LLC | 15,332 | $52.1K | 0.00% | +15,332 | New |
| HSBC Holdings PLC | 15,006 | $52.1K | 0.00% | +1,243+9.0% | Added |
| Aigen Investment Management, LP | 14,730 | $50.1K | 0.01% | +14,730 | New |
| CIBC World Markets Corp | 14,487 | $49.3K | 0.00% | −11,942−45.2% | Reduced |
| Pallas Capital Advisors LLC | 14,069 | $47.8K | 0.00% | +14,069 | New |
| Mutual of America Capital Management LLC | 13,179 | $44.8K | 0.00% | −2,015−13.3% | Reduced |
| Everhart Financial Group, Inc. | 12,962 | $44.1K | 0.01% | +12,962 | New |
| Captrust Financial Advisors | 12,704 | $43.2K | 0.00% | +12,704 | New |
| Oxford Asset Management LLP | 12,673 | $43.1K | 0.01% | −13,967−52.4% | Reduced |
| SG Americas Securities, LLC | 12,648 | $43.0K | 0.00% | −13,626−51.9% | Reduced |
| JustInvest LLC | 12,395 | $42.1K | 0.00% | +12,395 | New |
| Ameritas Investment Partners, Inc. | 12,042 | $40.9K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 11,978 | $40.7K | 0.00% | −81,853−87.2% | Reduced |
| Merit Financial Group, LLC | 11,103 | $37.8K | 0.00% | +11,103 | New |
| CIBC Asset Management Inc | 11,100 | $37.7K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 9,538 | $32.4K | 0.00% | −10,654−52.8% | Reduced |
| Point72 (DIFC) Ltd | 8,181 | $27.8K | 0.00% | +1,611+24.5% | Added |
| Federated Hermes, Inc. | 7,221 | $24.6K | 0.00% | +4,343+150.9% | Added |
| Farther Finance Advisors, LLC | 4,871 | $16.6K | 0.00% | +1,629+50.2% | Added |
| Nisa Investment Advisors, LLC | 4,553 | $15.5K | 0.00% | +2,993+191.9% | Added |
| Sterling Capital Management LLC | 3,192 | $10.9K | 0.00% | +1,137+55.3% | Added |
| SBI Securities Co., Ltd. | 2,520 | $8.57K | 0.00% | +2,500+12,500.0% | Added |
| EverSource Wealth Advisors, LLC | 1,780 | $6.05K | 0.00% | +1,246+233.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,856 | $6.00K | 0.00% | +1,856 | New |
| Essential Partners LLC | 1,752 | $5.96K | 0.00% | +1,752 | New |
| Fifth Third Bancorp | 1,696 | $5.77K | 0.00% | +859+102.6% | Added |
| Private Wealth Management Group, LLC | 1,694 | $5.76K | 0.00% | +1,694 | New |
| Umb Bank N A | 864 | $2.94K | 0.00% | +814+1,628.0% | Added |
| True Wealth Design, LLC | 849 | $2.89K | 0.00% | −314−27.0% | Reduced |
| IFP Advisors, Inc | 608 | $2.60K | 0.00% | +608 | Added |
| Clearstead Advisors, LLC | 627 | $2.13K | 0.00% | +627 | New |
| Signaturefd, LLC | 404 | $1.37K | 0.00% | +360+818.2% | Added |
| Allworth Financial LP | 317 | $1.08K | 0.00% | +317 | New |
| Jones Financial Companies LLLP | 254 | $902 | 0.00% | +254 | New |
| CIBC Private Wealth Group, LLC | 154 | $524 | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 151 | $513 | 0.00% | −788−83.9% | Reduced |
| Rothschild Investment LLC | 150 | $510 | 0.00% | −75−33.3% | Reduced |
| Huntington National Bank | 81 | $275 | 0.00% | +81 | New |
| Parkside Financial Bank & Trust | 66 | $225 | 0.00% | +66 | New |
| Farmers & Merchants Investments Inc | 60 | $204 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 20 | $68 | 0.00% | −4−16.7% | Reduced |
| Advisor Group Holdings, Inc. | 20 | $68 | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 215 | $0 | 0.00% | +84+64.1% | Added |
| Covestor Ltd | 21 | $0 | 0.00% | +11+110.0% | Added |
| CenterBook Partners LP | 0 | $0 | 0.00% | −845,405−100.0% | Sold out |
| Acuitas Investments, LLC | 0 | $0 | 0.00% | −331,219−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −82,286−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −74,000−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −61,718−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −54,873−100.0% | Sold out |
| JT Stratford LLC | 0 | $0 | 0.00% | −36,670−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −33,452−100.0% | Sold out |
| Maryland State Retirement & Pension System | 0 | $0 | 0.00% | −31,322−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −22,314−100.0% | Sold out |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0 | $0 | 0.00% | −21,873−100.0% | Sold out |
| Quantinno Capital Management LP | 0 | $0 | 0.00% | −21,190−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −19,607−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −19,573−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −19,200−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −18,972−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −17,496−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −16,129−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −13,972−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −13,896−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −10,893−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −1,594−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −718−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −361−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −319−100.0% | Sold out |
| Stephens Consulting, LLC | 0 | $0 | 0.00% | −90−100.0% | Sold out |
| WealthTrak Capital Management LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |