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 2025
Institutional positions in Cytek Biosciences, Inc. as of Mar 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
- 161
- +9 vs. Q4 2024
- Shares held
- 77.5M
- +578.7K (+0.8%) vs. Q4 2024
- Total value
- $310.8M
- −$188.5M (−37.7%) vs. Q4 2024
- New holders
- 30
- 50 more added
- Sold out
- 21
- 64 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Cytek Biosciences, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Thrivent Financial for Lutherans | 76,638 | $307.0K | 0.00% | −4,009−5.0% | Reduced |
| Gsa Capital Partners LLP | 79,062 | $317.0K | 0.03% | +79,062 | New |
| Brevan Howard Capital Management LP | 79,954 | $320.6K | 0.01% | +79,954 | New |
| Voya Investment Management LLC | 80,266 | $321.9K | 0.00% | +40,517+101.9% | Added |
| Graham Capital Management, L.P. | 82,286 | $330.0K | 0.01% | +54,868+200.1% | Added |
| Teacher Retirement System of Texas | 91,172 | $365.6K | 0.00% | −15,425−14.5% | Reduced |
| BNP Paribas Arbitrage, SA | 93,831 | $376.3K | 0.00% | −114,833−55.0% | Reduced |
| Deutsche Bank AG | 93,954 | $376.8K | 0.00% | −9,228−8.9% | Reduced |
| Caxton Associates LLP | 101,894 | $408.6K | 0.01% | +101,894 | New |
| California State Teachers Retirement System | 105,185 | $421.8K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 106,382 | $426.6K | 0.00% | −67,000−38.6% | Reduced |
| PDT Partners, LLC | 134,065 | $537.6K | 0.04% | +134,065 | New |
| Alliancebernstein L.P. | 151,848 | $608.9K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 152,863 | $613.0K | 0.00% | −62,561−29.0% | Reduced |
| Citigroup Inc | 156,144 | $626.1K | 0.00% | −4,051−2.5% | Reduced |
| HRT Financial LP | 165,305 | $662.0K | 0.00% | +165,305 | New |
| XTX Topco Ltd | 170,279 | $682.8K | 0.03% | +149,373+714.5% | Added |
| UBS Asset Management Americas Inc | 191,624 | $768.4K | 0.00% | −5,434−2.8% | Reduced |
| Swiss National Bank | 212,100 | $850.5K | 0.00% | −6,700−3.1% | Reduced |
| Susquehanna International Group, LLP | 215,288 | $863.3K | 0.00% | +158,393+278.4% | Added |
| American Century Companies Inc | 232,175 | $931.0K | 0.00% | +27,430+13.4% | Added |
| Ameriprise Financial Inc | 277,348 | $1.11M | 0.00% | +27,980+11.2% | Added |
| Globeflex Capital L P | 290,511 | $1.16M | 0.11% | +206,077+244.1% | Added |
| Rhumbline Advisers | 296,284 | $1.19M | 0.00% | +1,745+0.6% | Added |
| Legal & General Group Plc | 296,829 | $1.19M | 0.00% | −16,208−5.2% | Reduced |
| Nuveen, LLC | 304,985 | $1.22M | 0.00% | +304,985 | New |
| State of Wisconsin Investment Board | 311,325 | $1.25M | 0.00% | +51,087+19.6% | Added |
| Public Sector Pension Investment Board | 330,914 | $1.33M | 0.01% | +70,970+27.3% | Added |
| Acuitas Investments, LLC | 331,219 | $1.33M | 1.13% | +331,219 | New |
| Bank of America Corp | 332,121 | $1.33M | 0.00% | −12,839−3.7% | Reduced |
| Invesco Ltd. | 336,953 | $1.35M | 0.00% | +9,893+3.0% | Added |
| Jane Street Group, LLC | 344,169 | $1.38M | 0.00% | +276,972+412.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 359,577 | $1.44M | 0.01% | −242,118−40.2% | Reduced |
| Panagora Asset Management Inc | 408,926 | $1.64M | 0.01% | +281,928+222.0% | Added |
| Algert Global LLC | 411,425 | $1.65M | 0.04% | +60,510+17.2% | Added |
| Millennium Management LLC | 495,437 | $1.99M | 0.00% | −308,486−38.4% | Reduced |
| Principal Financial Group Inc | 520,743 | $2.09M | 0.00% | +13,818+2.7% | Added |
| Trexquant Investment LP | 549,004 | $2.20M | 0.03% | +306,405+126.3% | Added |
| Royce & Associates LP | 565,819 | $2.27M | 0.02% | +95,000+20.2% | Added |
| Citadel Advisors LLC | 602,517 | $2.42M | 0.00% | +401,377+199.6% | Added |
| UBS Group AG | 611,528 | $2.45M | 0.00% | −54,205−8.1% | Reduced |
| AQR Capital Management LLC | 653,277 | $2.62M | 0.00% | +521,135+394.4% | Added |
| JPMorgan Chase & Co | 671,313 | $2.69M | 0.00% | −276,370−29.2% | Reduced |
| Renaissance Technologies LLC | 687,600 | $2.76M | 0.00% | +225,000+48.6% | Added |
| Bank of New York Mellon Corp | 692,402 | $2.78M | 0.00% | −38,307−5.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 708,482 | $2.84M | 0.01% | +708,482 | New |
| FMR LLC | 717,160 | $2.88M | 0.00% | +33,973+5.0% | Added |
| Morgan Stanley | 745,477 | $2.99M | 0.00% | −343,984−31.6% | Reduced |
| CenterBook Partners LP | 845,405 | $3.39M | 0.22% | +845,405 | New |
| Charles Schwab Investment Management Inc | 1,104,889 | $4.43M | 0.00% | +41,899+3.9% | Added |
| Northern Trust Corp | 1,151,567 | $4.62M | 0.00% | −36,764−3.1% | Reduced |
| Goldman Sachs Group Inc | 1,158,001 | $4.64M | 0.00% | −183,751−13.7% | Reduced |
| Topline Capital Management, LLC | 1,470,775 | $5.90M | 1.35% | +1,234,179+521.6% | Added |
| New York State Common Retirement Fund | 2,088,390 | $8.37M | 0.01% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 2,686,677 | $10.8M | 0.00% | +47,594+1.8% | Added |
| Dimensional Fund Advisors LP | 2,853,809 | $11.4M | 0.00% | +1,023,377+55.9% | Added |
| State Street Corp | 4,382,174 | $17.6M | 0.00% | −128,204−2.8% | Reduced |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 6,657,030 | $26.7M | 0.75% | 00.0% | Unchanged |
| Brown Capital Management LLC | 7,463,967 | $29.9M | 0.90% | −782,643−9.5% | Reduced |
| Vanguard Group Inc | 9,622,008 | $38.6M | 0.00% | −2,094,835−17.9% | Reduced |
| BlackRock, Inc. | 18,069,282 | $72.5M | 0.00% | −413,513−2.2% | Reduced |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −1,517,214−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −117,870−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −82,523−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −77,536−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −56,501−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −49,847−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −47,000−100.0% | Sold out |
| Cornerstone Investment Partners, LLC | 0 | $0 | 0.00% | −31,411−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −30,155−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −22,900−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −19,601−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −18,900−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −14,300−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −13,098−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −280−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −187−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −94−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −98−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Capital Advisors, Ltd. LLC | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |