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
- +1.87M (+2.3%) vs. Q3 2025
- Total value
- $414.3M
- +$105.2M (+34.0%) 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 | $309.8M |
| Q2 2025 | 158 | $270.0M |
| Q1 2025 | 161 | $311.2M |
| Q4 2024 | 153 | $501.4M |
| Q3 2024 | 136 | $418.6M |
| Q2 2024 | 129 | $428.5M |
| Q1 2024 | 125 | $552.8M |
| Q4 2023 | 105 | $728.9M |
| Q3 2023 | 107 | $427.7M |
| Q2 2023 | 101 | $657.9M |
| Q1 2023 | 102 | $640.2M |
| Q4 2022 | 103 | $659.0M |
| Q3 2022 | 88 | $898.7M |
| Q2 2022 | 85 | $567.8M |
| Q1 2022 | 74 | $514.5M |
| Q4 2021 | 52 | $571.9M |
| Q3 2021 | 54 | $744.4M |
| 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 17,173,028 | $86.7M | 0.00% | +625,335+3.8% | Added |
| Vanguard Group Inc | 7,475,477 | $37.8M | 0.00% | +541,973+7.8% | Added |
| Topline Capital Management, LLC | 7,442,466 | $37.6M | 3.40% | +498,186+7.2% | Added |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 6,657,030 | $33.6M | 1.08% | 00.0% | Unchanged |
| Boston Partners | 5,008,309 | $25.3M | 0.03% | +4,971,126+13,369.4% | Added |
| Millennium Management LLC | 4,752,447 | $24.0M | 0.02% | +1,334,065+39.0% | Added |
| State Street Corp | 4,146,964 | $20.9M | 0.00% | +62,596+1.5% | Added |
| Geode Capital Management, LLC | 2,790,574 | $14.1M | 0.00% | +7,125+0.3% | Added |
| Dimensional Fund Advisors LP | 2,646,891 | $13.4M | 0.00% | −570,897−17.7% | Reduced |
| Brown Capital Management LLC | 2,072,915 | $10.5M | 0.86% | −2,885,101−58.2% | Reduced |
| Goldman Sachs Group Inc | 1,789,914 | $9.04M | 0.00% | +52,605+3.0% | Added |
| Morgan Stanley | 1,700,985 | $8.59M | 0.00% | +237,844+16.3% | Added |
| Royce & Associates LP | 1,692,657 | $8.55M | 0.09% | −70,605−4.0% | Reduced |
| Charles Schwab Investment Management Inc | 1,094,539 | $5.53M | 0.00% | −10,482−0.9% | Reduced |
| Russell Investments Group, Ltd. | 1,001,127 | $5.06M | 0.01% | +841,614+527.6% | Added |
| Northern Trust Corp | 957,594 | $4.84M | 0.00% | −55,989−5.5% | Reduced |
| Bank of America Corp | 856,161 | $4.32M | 0.00% | +686,001+403.2% | Added |
| Wellington Management Group LLP | 764,279 | $3.86M | 0.00% | −1,776,767−69.9% | Reduced |
| AQR Capital Management LLC | 743,455 | $3.75M | 0.00% | −276,435−27.1% | Reduced |
| Renaissance Technologies LLC | 675,000 | $3.41M | 0.01% | −120,544−15.2% | Reduced |
| Acadian Asset Management LLC | 674,475 | $3.40M | 0.01% | +108,902+19.3% | Added |
| Principal Financial Group Inc | 666,927 | $3.37M | 0.00% | +43,621+7.0% | Added |
| Bank of New York Mellon Corp | 637,929 | $3.22M | 0.00% | −35,640−5.3% | Reduced |
| UBS Group AG | 460,047 | $2.32M | 0.00% | −8,642−1.8% | Reduced |
| HRT Financial LP | 437,653 | $2.21M | 0.01% | +437,653 | New |
| Invesco Ltd. | 398,797 | $2.01M | 0.00% | +9,671+2.5% | Added |
| Public Sector Pension Investment Board | 379,274 | $1.92M | 0.01% | −47,532−11.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 361,677 | $1.83M | 0.00% | +387+0.1% | Added |
| JPMorgan Chase & Co | 328,853 | $1.66M | 0.00% | −388,593−54.2% | Reduced |
| Simcoe Capital LLC | 298,461 | $1.51M | 1.42% | +298,461 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 295,636 | $1.49M | 0.00% | −2,239−0.8% | Reduced |
| American Century Companies Inc | 284,644 | $1.44M | 0.00% | +7,658+2.8% | Added |
| Jacobs Levy Equity Management, Inc | 264,177 | $1.33M | 0.01% | −560,259−68.0% | Reduced |
| D. E. Shaw & Co., Inc. | 263,126 | $1.33M | 0.00% | +142,104+117.4% | Added |
| Nuveen, LLC | 253,808 | $1.28M | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 249,940 | $1.26M | 0.00% | −30,427−10.9% | Reduced |
| FMR LLC | 234,072 | $1.18M | 0.00% | +53,286+29.5% | Added |
| Ameriprise Financial Inc | 202,316 | $1.02M | 0.00% | −126,307−38.4% | Reduced |
| Legal & General Group Plc | 188,468 | $951.8K | 0.00% | −3,907−2.0% | Reduced |
| Numerai GP LLC | 186,764 | $943.2K | 0.11% | +80,269+75.4% | Added |
| Barclays PLC | 183,239 | $925.4K | 0.00% | +17,667+10.7% | Added |
| State of Wisconsin Investment Board | 168,563 | $851.2K | 0.00% | −169,655−50.2% | Reduced |
| Citadel Advisors LLC | 166,754 | $842.1K | 0.00% | +84,450+102.6% | Added |
| Alliancebernstein L.P. | 141,048 | $712.3K | 0.00% | −8,600−5.7% | Reduced |
| Wells Fargo & Company | 132,675 | $670.0K | 0.00% | +42,274+46.8% | Added |
| Ieq Capital, LLC | 123,991 | $626.2K | 0.00% | −28,832−18.9% | Reduced |
| Creative Planning | 121,209 | $612.1K | 0.00% | +12,578+11.6% | Added |
| Point72 Asset Management, L.P. | 114,256 | $577.0K | 0.00% | −73,362−39.1% | Reduced |
| Prudential Financial Inc | 106,857 | $539.6K | 0.00% | −5,810−5.2% | Reduced |
| BNP Paribas Arbitrage, SA | 106,282 | $536.7K | 0.00% | +82,466+346.3% | Added |
| Voya Investment Management LLC | 97,830 | $494.0K | 0.00% | −18,184−15.7% | Reduced |
| Deutsche Bank AG | 93,139 | $470.4K | 0.00% | +4,119+4.6% | Added |
| PDT Partners, LLC | 91,869 | $463.9K | 0.03% | 00.0% | Unchanged |
| Jane Street Group, LLC | 78,758 | $397.7K | 0.00% | −278,267−77.9% | Reduced |
| Thrivent Financial for Lutherans | 75,560 | $382.0K | 0.00% | −3,374−4.3% | Reduced |
| Price T Rowe Associates Inc | 69,793 | $353.0K | 0.00% | +7,658+12.3% | Added |
| SG Americas Securities, LLC | 64,287 | $325.0K | 0.00% | +4,683+7.9% | Added |
| State of Alaska, Department of Revenue | 61,269 | $308.0K | 0.00% | −240−0.4% | Reduced |
| MetLife Investment Management | 57,758 | $291.7K | 0.00% | −12,122−17.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 54,611 | $275.8K | 0.00% | −644−1.2% | Reduced |
| CWM, LLC | 52,614 | $266.0K | 0.00% | −2,452−4.5% | Reduced |
| Intech Investment Management LLC | 51,740 | $261.3K | 0.00% | +3,242+6.7% | Added |
| Panagora Asset Management Inc | 51,593 | $260.5K | 0.00% | −11,005−17.6% | Reduced |
| Louisiana State Employees Retirement System | 50,400 | $254.5K | 0.00% | +100+0.2% | Added |
| Cerity Partners LLC | 49,528 | $250.1K | 0.00% | −2,461−4.7% | Reduced |
| New York State Teachers Retirement System | 48,463 | $245.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 48,103 | $242.9K | 0.00% | −144,750−75.1% | Reduced |
| Caxton Associates LLP | 45,376 | $229.1K | 0.00% | −48,032−51.4% | Reduced |
| Dynamic Technology Lab Private Ltd | 44,274 | $224.0K | 0.05% | +9,155+26.1% | Added |
| Wealth Enhancement Advisory Services, LLC | 35,725 | $201.6K | 0.00% | −650−1.8% | Reduced |
| Quantbot Technologies LP | 38,533 | $194.6K | 0.01% | +4,626+13.6% | Added |
| Manufacturers Life Insurance Company, The | 35,632 | $179.9K | 0.00% | −5,081−12.5% | Reduced |
| New York State Common Retirement Fund | 34,922 | $176.4K | 0.00% | −296,268−89.5% | Reduced |
| State Board of Administration of Florida Retirement System | 34,670 | $175.1K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 34,565 | $174.6K | 0.00% | −37,981−52.4% | Reduced |
| Colony Group, LLC | 33,497 | $169.2K | 0.00% | −37,079−52.5% | Reduced |
| Amalgamated Bank | 32,436 | $164.0K | 0.00% | +502+1.6% | Added |
| Two Sigma Investments, LP | 30,032 | $151.7K | 0.00% | −145,727−82.9% | Reduced |
| Quantinno Capital Management LP | 29,648 | $149.7K | 0.00% | +29,648 | New |
| Police & Firemen's Retirement System of New Jersey | 29,469 | $148.8K | 0.00% | 00.0% | Unchanged |
| Bailard, Inc. | 29,300 | $148.0K | 0.00% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 26,610 | $141.3K | 0.00% | −971−3.5% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 27,223 | $137.5K | 0.00% | −641−2.3% | Reduced |
| STRS Ohio | 26,200 | $132.3K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 25,175 | $127.1K | 0.00% | +500+2.0% | Added |
| Teachers Retirement System of the State of Kentucky | 24,338 | $123.0K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 23,997 | $121.2K | 0.00% | −2,795−10.4% | Reduced |
| ProShare Advisors LLC | 22,733 | $114.8K | 0.00% | +729+3.3% | Added |
| State of Tennessee, Treasury Department | 22,900 | $114.5K | 0.00% | −35,983−61.1% | Reduced |
| Citigroup Inc | 22,163 | $111.9K | 0.00% | −27,810−55.7% | Reduced |
| Mercer Global Advisors Inc | 21,726 | $109.7K | 0.00% | −80.0% | Reduced |
| Los Angeles Capital Management LLC | 27,420 | $104.7K | 0.00% | +27,420 | New |
| Axq Capital, LP | 19,124 | $96.6K | 0.02% | +19,124 | New |
| Mariner, LLC | 18,565 | $93.7K | 0.00% | −8,337−31.0% | Reduced |
| Victory Capital Management Inc | 17,628 | $89.0K | 0.00% | −2,805−13.7% | Reduced |
| The PNC Financial Services Group, Inc. | 16,337 | $82.5K | 0.00% | −987−5.7% | Reduced |
| Maryland State Retirement & Pension System | 15,656 | $79.1K | 0.00% | +15,656 | New |
| NorthCrest Asset Manangement, LLC | 14,289 | $74.4K | 0.00% | +70.0% | Added |
| Captrust Financial Advisors | 14,047 | $70.9K | 0.00% | −1,231−8.1% | Reduced |
| Pallas Capital Advisors LLC | 13,953 | $70.5K | 0.00% | −452−3.1% | Reduced |