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, Q1 2026
Institutional positions in Cytek Biosciences, Inc. as of Mar 31, 2026. 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
- 165
- +13 vs. Q4 2025
- Shares held
- 85.1M
- +10.5M (+14.1%) vs. Q4 2025
- Total value
- $371.8M
- −$4.62M (−1.2%) vs. Q4 2025
- New holders
- 24
- 68 more added
- Sold out
- 11
- 51 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Cytek Biosciences, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| The PNC Financial Services Group, Inc. | 17,927 | $78.3K | 0.00% | +1,590+9.7% | Added |
| Mariner, LLC | 17,807 | $77.8K | 0.00% | −758−4.1% | Reduced |
| Victory Capital Management Inc | 17,621 | $77.0K | 0.00% | −70.0% | Reduced |
| Captrust Financial Advisors | 16,434 | $71.8K | 0.00% | +2,387+17.0% | Added |
| Merit Financial Group, LLC | 16,398 | $71.7K | 0.00% | +16,398 | New |
| NorthCrest Asset Manangement, LLC | 15,216 | $68.9K | 0.00% | +927+6.5% | Added |
| Maryland State Retirement & Pension System | 15,656 | $68.4K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 14,778 | $64.6K | 0.01% | −29,496−66.6% | Reduced |
| AE Wealth Management LLC | 14,193 | $62.0K | 0.00% | +14,193 | New |
| Pallas Capital Advisors LLC | 13,464 | $58.8K | 0.00% | −489−3.5% | Reduced |
| Prelude Capital Management, LLC | 13,200 | $57.7K | 0.00% | −200−1.5% | Reduced |
| Everhart Financial Group, Inc. | 12,962 | $56.6K | 0.00% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 12,584 | $55.0K | 0.00% | +16+0.1% | Added |
| Citigroup Inc | 12,454 | $54.4K | 0.00% | −9,709−43.8% | Reduced |
| State of Wyoming | 12,253 | $53.5K | 0.01% | −769−5.9% | Reduced |
| Neuberger Berman Group LLC | 11,229 | $49.1K | 0.00% | −1,175−9.5% | Reduced |
| Xponance, Inc. | 10,593 | $46.3K | 0.00% | +10,593 | New |
| M&T Bank Corp | 10,308 | $45.0K | 0.00% | +51+0.5% | Added |
| Tower Research Capital LLC (TRC) | 10,240 | $44.7K | 0.00% | +7,002+216.2% | Added |
| Ameritas Investment Partners, Inc. | 9,823 | $42.9K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 6,362 | $27.8K | 0.00% | −875−12.1% | Reduced |
| Federated Hermes, Inc. | 5,335 | $23.3K | 0.00% | +756+16.5% | Added |
| Rockefeller Capital Management L.P. | 5,199 | $22.7K | 0.00% | +4,173+406.7% | Added |
| SBI Securities Co., Ltd. | 5,010 | $21.9K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 4,313 | $18.8K | 0.00% | +825+23.7% | Added |
| Sterling Capital Management LLC | 3,919 | $17.1K | 0.00% | −2,903−42.6% | Reduced |
| Nisa Investment Advisors, LLC | 3,754 | $16.4K | 0.00% | +101+2.8% | Added |
| Simplex Trading, LLC | 3,226 | $14.1K | 0.00% | +1,223+61.1% | Added |
| Optiver Holding B.V. | 3,175 | $13.9K | 0.00% | +3,175 | New |
| Salomon & Ludwin, LLC | 2,701 | $12.2K | 0.00% | +2,241+487.2% | Added |
| Versant Capital Management, Inc | 2,735 | $12.0K | 0.00% | +2,300+528.7% | Added |
| Essential Partners LLC | 2,582 | $11.3K | 0.00% | +648+33.5% | Added |
| Royal Bank of Canada | 2,299 | $10.0K | 0.00% | −3,226−58.4% | Reduced |
| Group One Trading, L.P. | 2,200 | $9.61K | 0.00% | +700+46.7% | Added |
| EverSource Wealth Advisors, LLC | 1,821 | $7.96K | 0.00% | +242+15.3% | Added |
| Clear Street Markets LLC | 1,704 | $7.45K | 0.00% | +1,704 | New |
| Private Wealth Management Group, LLC | 1,694 | $7.40K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 1,631 | $7.13K | 0.00% | +1,114+215.5% | Added |
| Umb Bank N A | 1,405 | $6.14K | 0.00% | +23+1.7% | Added |
| Allworth Financial LP | 1,390 | $6.08K | 0.00% | +341+32.5% | Added |
| Advisor Group Holdings, Inc. | 1,142 | $4.99K | 0.00% | +1,025+876.1% | Added |
| IFP Advisors, Inc | 986 | $4.31K | 0.00% | +276+38.9% | Added |
| True Wealth Design, LLC | 711 | $3.11K | 0.00% | +98+16.0% | Added |
| Bessemer Group Inc | 593 | $3.00K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 587 | $3.00K | 0.00% | +298+103.1% | Added |
| UBS Asset Management Americas Inc | 582 | $2.54K | 0.00% | −250−30.0% | Reduced |
| US Bancorp | 557 | $2.43K | 0.00% | +103+22.7% | Added |
| Larson Financial Group LLC | 471 | $2.06K | 0.00% | +417+772.2% | Added |
| Signaturefd, LLC | 438 | $1.91K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 394 | $1.72K | 0.00% | +118+42.8% | Added |
| SRS Capital Advisors, Inc. | 221 | $1.67K | 0.00% | +209+1,741.7% | Added |
| Stone House Investment Management, LLC | 318 | $1.39K | 0.00% | +318 | New |
| Jones Financial Companies LLLP | 254 | $1.10K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 240 | $1.05K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 176 | $788 | 0.00% | +81+85.3% | Added |
| Wealth Preservation Advisors, LLC | 109 | $476 | 0.00% | +109 | New |
| Keating Financial Advisory Services, Inc. | 86 | $376 | 0.00% | +84+4,200.0% | Added |
| MAI Capital Management | 78 | $341 | 0.00% | +78 | New |
| Parkside Financial Bank & Trust | 66 | $289 | 0.00% | −127−65.8% | Reduced |
| Farmers & Merchants Investments Inc | 60 | $262 | 0.00% | 00.0% | Unchanged |
| Ankerstar Wealth, LLC | 60 | $262 | 0.00% | +46+328.6% | Added |
| Root Financial Partners, LLC | 42 | $184 | 0.00% | +42 | New |
| Gilpin Wealth Management, LLC | 13 | $57 | 0.00% | +4+44.4% | Added |
| SJS Investment Consulting Inc. | 6 | $27 | 0.00% | +6 | New |
| Covestor Ltd | 21 | $0 | 0.00% | 00.0% | Unchanged |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −764,279−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −114,256−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −78,758−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −45,376−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −38,533−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −34,565−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −27,420−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −306−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −127−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Cedar Mountain Advisors, LLC | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |