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
- +1.82M (+2.3%) vs. Q1 2025
- Total value
- $270.0M
- −$41.1M (−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 | $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, 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 17,035,535 | $57.9M | 0.00% | −1,033,747−5.7% | Reduced |
| Vanguard Group Inc | 7,765,138 | $26.4M | 0.00% | −1,856,870−19.3% | Reduced |
| Brown Capital Management LLC | 7,109,995 | $24.2M | 0.70% | −353,972−4.7% | Reduced |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 6,657,030 | $22.6M | 0.73% | 00.0% | Unchanged |
| Topline Capital Management, LLC | 5,231,260 | $17.8M | 3.05% | +3,760,485+255.7% | Added |
| State Street Corp | 4,173,763 | $14.2M | 0.00% | −208,411−4.8% | Reduced |
| Dimensional Fund Advisors LP | 3,454,806 | $11.7M | 0.00% | +600,997+21.1% | Added |
| Geode Capital Management, LLC | 2,729,593 | $9.28M | 0.00% | +42,916+1.6% | Added |
| New York State Common Retirement Fund | 2,088,390 | $7.10M | 0.01% | 00.0% | Unchanged |
| Royce & Associates LP | 1,389,806 | $4.73M | 0.05% | +823,987+145.6% | Added |
| AQR Capital Management LLC | 1,238,393 | $4.21M | 0.00% | +585,116+89.6% | Added |
| Morgan Stanley | 1,150,121 | $3.91M | 0.00% | +404,644+54.3% | Added |
| Northern Trust Corp | 1,095,994 | $3.73M | 0.00% | −55,573−4.8% | Reduced |
| Renaissance Technologies LLC | 1,063,139 | $3.61M | 0.00% | +375,539+54.6% | Added |
| Goldman Sachs Group Inc | 1,016,557 | $3.46M | 0.00% | −141,444−12.2% | Reduced |
| Millennium Management LLC | 924,772 | $3.14M | 0.00% | +429,335+86.7% | Added |
| Charles Schwab Investment Management Inc | 909,590 | $3.09M | 0.00% | −195,299−17.7% | Reduced |
| Jacobs Levy Equity Management, Inc | 888,339 | $3.02M | 0.01% | +179,857+25.4% | Added |
| Bank of New York Mellon Corp | 699,913 | $2.38M | 0.00% | +7,511+1.1% | Added |
| UBS Group AG | 632,052 | $2.15M | 0.00% | +20,524+3.4% | Added |
| Citadel Advisors LLC | 617,085 | $2.10M | 0.00% | +14,568+2.4% | Added |
| Principal Financial Group Inc | 572,387 | $1.95M | 0.00% | +51,644+9.9% | Added |
| JPMorgan Chase & Co | 430,108 | $1.46M | 0.00% | −241,205−35.9% | Reduced |
| Numerai GP LLC | 422,318 | $1.44M | 0.21% | +422,318 | New |
| Ameriprise Financial Inc | 412,311 | $1.40M | 0.00% | +134,963+48.7% | Added |
| Barclays PLC | 387,908 | $1.32M | 0.00% | +235,045+153.8% | Added |
| Algert Global LLC | 372,238 | $1.27M | 0.03% | −39,187−9.5% | Reduced |
| Public Sector Pension Investment Board | 349,736 | $1.19M | 0.01% | +18,822+5.7% | Added |
| Invesco Ltd. | 343,659 | $1.17M | 0.00% | +6,706+2.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 319,066 | $1.08M | 0.00% | −40,511−11.3% | Reduced |
| State of Wisconsin Investment Board | 316,676 | $1.08M | 0.00% | +5,351+1.7% | Added |
| Acadian Asset Management LLC | 313,644 | $1.06M | 0.00% | +272,977+671.2% | Added |
| Legal & General Group Plc | 310,291 | $1.05M | 0.00% | +13,462+4.5% | Added |
| Globeflex Capital L P | 290,511 | $987.7K | 0.08% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 288,262 | $980.1K | 0.00% | −120,664−29.5% | Reduced |
| Jane Street Group, LLC | 284,838 | $968.4K | 0.00% | −59,331−17.2% | Reduced |
| UBS Asset Management Americas Inc | 284,350 | $966.8K | 0.00% | +92,726+48.4% | Added |
| Rhumbline Advisers | 282,651 | $961.0K | 0.00% | −13,633−4.6% | Reduced |
| Marshall Wace, LLP | 261,352 | $888.6K | 0.00% | +261,352 | New |
| Nuveen, LLC | 253,808 | $862.9K | 0.00% | −51,177−16.8% | Reduced |
| American Century Companies Inc | 251,273 | $854.3K | 0.00% | +19,098+8.2% | Added |
| ExodusPoint Capital Management, LP | 234,697 | $798.0K | 0.01% | +234,697 | New |
| Swiss National Bank | 212,100 | $721.1K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 211,600 | $719.4K | 0.00% | −3,688−1.7% | Reduced |
| FMR LLC | 205,741 | $699.5K | 0.00% | −511,419−71.3% | Reduced |
| Alliancebernstein L.P. | 151,848 | $516.3K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 145,051 | $493.2K | 0.00% | +102,047+237.3% | Added |
| Arrowstreet Capital, Limited Partnership | 144,252 | $490.5K | 0.00% | +96,098+199.6% | Added |
| Ieq Capital, LLC | 138,761 | $471.8K | 0.00% | +81,079+140.6% | Added |
| XTX Topco Ltd | 115,401 | $392.4K | 0.02% | −54,878−32.2% | Reduced |
| Prudential Financial Inc | 112,667 | $383.1K | 0.00% | +6,285+5.9% | Added |
| Citigroup Inc | 109,643 | $372.8K | 0.00% | −46,501−29.8% | Reduced |
| California State Teachers Retirement System | 105,185 | $357.6K | 0.00% | 00.0% | Unchanged |
| Caxton Associates LLP | 103,465 | $351.8K | 0.01% | +1,571+1.5% | Added |
| Cubist Systematic Strategies, LLC | 96,844 | $329.3K | 0.00% | +39,431+68.7% | Added |
| Teacher Retirement System of Texas | 92,638 | $315.0K | 0.00% | +1,466+1.6% | Added |
| PDT Partners, LLC | 91,869 | $312.4K | 0.02% | −42,196−31.5% | Reduced |
| Bank of America Corp | 91,612 | $311.5K | 0.00% | −240,509−72.4% | Reduced |
| Deutsche Bank AG | 77,048 | $262.0K | 0.00% | −16,906−18.0% | Reduced |
| Franklin Resources Inc | 76,588 | $260.4K | 0.00% | +444+0.6% | Added |
| Wells Fargo & Company | 75,451 | $256.5K | 0.00% | +3,963+5.5% | Added |
| Thrivent Financial for Lutherans | 75,439 | $256.0K | 0.00% | −1,199−1.6% | Reduced |
| MetLife Investment Management | 73,298 | $249.2K | 0.00% | +5,567+8.2% | Added |
| Public Employees Retirement System of Ohio | 68,906 | $234.3K | 0.00% | +56,333+448.0% | Added |
| Janus Henderson Group PLC | 64,873 | $220.9K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 64,390 | $218.9K | 0.00% | −6,224−8.8% | Reduced |
| State of Alaska, Department of Revenue | 60,953 | $206.0K | 0.00% | +3,141+5.4% | Added |
| Price T Rowe Associates Inc | 56,821 | $194.0K | 0.00% | +3,484+6.5% | Added |
| HRT Financial LP | 56,620 | $192.0K | 0.00% | −108,685−65.7% | Reduced |
| Creative Planning | 55,677 | $189.3K | 0.00% | +45,652+455.4% | Added |
| Brevan Howard Capital Management LP | 55,122 | $187.4K | 0.00% | −24,832−31.1% | Reduced |
| Cerity Partners LLC | 51,362 | $174.6K | 0.00% | +51,362 | New |
| New York State Teachers Retirement System | 48,463 | $165.0K | 0.00% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 47,900 | $162.9K | 0.00% | −1,200−2.4% | Reduced |
| EntryPoint Capital, LLC | 47,746 | $162.3K | 0.08% | +47,746 | New |
| Intech Investment Management LLC | 46,942 | $159.6K | 0.00% | −20,923−30.8% | Reduced |
| Dynamic Technology Lab Private Ltd | 45,714 | $155.0K | 0.02% | +32,427+244.1% | Added |
| CWM, LLC | 45,420 | $154.0K | 0.00% | +27,400+152.1% | Added |
| Trexquant Investment LP | 45,131 | $153.4K | 0.00% | −503,873−91.8% | Reduced |
| Royal Bank of Canada | 44,896 | $152.0K | 0.00% | +25,439+130.7% | Added |
| Manufacturers Life Insurance Company, The | 44,441 | $151.1K | 0.00% | +379+0.9% | Added |
| Voya Investment Management LLC | 38,312 | $130.3K | 0.00% | −122,220−76.1% | Reduced |
| Gsa Capital Partners LLP | 35,166 | $120.0K | 0.01% | −43,896−55.5% | Reduced |
| State Board of Administration of Florida Retirement System | 34,670 | $117.9K | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 31,067 | $116.8K | 0.00% | +15,351+97.7% | Added |
| Clear Street Markets LLC | 33,276 | $113.1K | 0.04% | +33,276 | New |
| Bank of Montreal | 33,072 | $112.4K | 0.00% | +17,379+110.7% | Added |
| Arizona State Retirement System | 31,721 | $107.9K | 0.00% | +349+1.1% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 31,595 | $107.4K | 0.02% | +15,824+100.3% | Added |
| Yousif Capital Management, LLC | 31,202 | $106.1K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 30,664 | $104.3K | 0.01% | +20,741+209.0% | Added |
| Comerica Bank | 30,413 | $103.4K | 0.00% | +472+1.6% | Added |
| Amalgamated Bank | 29,931 | $102.0K | 0.00% | +715+2.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 29,469 | $100.2K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 27,795 | $94.5K | 0.00% | −39,589−58.8% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 26,340 | $89.6K | 0.00% | +1,371+5.5% | Added |
| STRS Ohio | 26,200 | $89.1K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 25,970 | $88.3K | 0.00% | −1,797−6.5% | Reduced |
| Quantbot Technologies LP | 24,731 | $84.1K | 0.00% | +24,731 | New |
| State of Tennessee, Treasury Department | 24,710 | $84.0K | 0.00% | −43,145−63.6% | Reduced |