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
- +2.23M (+2.8%) vs. Q3 2025
- Total value
- $414.3M
- +$137.6M (+49.7%) 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 | $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, 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 |
|---|---|---|---|---|---|
| Covestor Ltd | 21 | $0 | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 2 | $10 | 0.00% | +2 | New |
| Gilpin Wealth Management, LLC | 9 | $46 | 0.00% | +9 | New |
| SRS Capital Advisors, Inc. | 12 | $61 | 0.00% | −30,247−100.0% | Reduced |
| Ankerstar Wealth, LLC | 14 | $71 | 0.00% | +14 | New |
| Cedar Mountain Advisors, LLC | 21 | $106 | 0.00% | +21 | New |
| Clearstead Advisors, LLC | 24 | $122 | 0.00% | −1,051−97.8% | Reduced |
| CIBC Private Wealth Group, LLC | 26 | $131 | 0.00% | +26 | New |
| Larson Financial Group LLC | 54 | $273 | 0.00% | +54 | New |
| Farmers & Merchants Investments Inc | 60 | $303 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 95 | $480 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 117 | $591 | 0.00% | +97+485.0% | Added |
| Smartleaf Asset Management LLC | 127 | $640 | 0.00% | +127 | New |
| Parkside Financial Bank & Trust | 193 | $976 | 0.00% | +127+192.4% | Added |
| Hantz Financial Services, Inc. | 289 | $1.00K | 0.00% | +289 | New |
| Prestige Wealth Management Group LLC | 240 | $1.21K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 254 | $1.28K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 276 | $1.39K | 0.00% | +11+4.2% | Added |
| Aquatic Capital Management LLC | 306 | $1.54K | 0.00% | −83,844−99.6% | Reduced |
| Versant Capital Management, Inc | 435 | $2.20K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 438 | $2.21K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 454 | $2.29K | 0.00% | 00.0% | Unchanged |
| Salomon & Ludwin, LLC | 460 | $2.40K | 0.00% | +181+64.9% | Added |
| GAMMA Investing LLC | 517 | $2.61K | 0.00% | +517 | New |
| Bessemer Group Inc | 593 | $3.00K | 0.00% | +281+90.1% | Added |
| True Wealth Design, LLC | 613 | $3.10K | 0.00% | −204−25.0% | Reduced |
| IFP Advisors, Inc | 710 | $3.59K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 832 | $4.20K | 0.00% | +832 | New |
| Fifth Third Bancorp | 912 | $4.61K | 0.00% | +52+6.0% | Added |
| Rockefeller Capital Management L.P. | 1,026 | $5.18K | 0.00% | +851+486.3% | Added |
| Allworth Financial LP | 1,049 | $5.30K | 0.00% | +52+5.2% | Added |
| Umb Bank N A | 1,382 | $6.98K | 0.00% | +451+48.4% | Added |
| Group One Trading, L.P. | 1,500 | $7.58K | 0.00% | +1,500 | New |
| EverSource Wealth Advisors, LLC | 1,579 | $7.97K | 0.00% | −206−11.5% | Reduced |
| Private Wealth Management Group, LLC | 1,694 | $8.55K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 1,934 | $9.77K | 0.00% | −442−18.6% | Reduced |
| Simplex Trading, LLC | 2,003 | $10.1K | 0.00% | +1,318+192.4% | Added |
| Tower Research Capital LLC (TRC) | 3,238 | $16.4K | 0.00% | −4,637−58.9% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 3,488 | $17.6K | 0.00% | +3,488 | New |
| Nisa Investment Advisors, LLC | 3,653 | $18.4K | 0.00% | −1,227−25.1% | Reduced |
| Federated Hermes, Inc. | 4,579 | $23.1K | 0.00% | +231+5.3% | Added |
| SBI Securities Co., Ltd. | 5,010 | $25.3K | 0.00% | +2,500+99.6% | Added |
| Caitong International Asset Management Co., Ltd | 5,144 | $26.0K | 0.01% | +2,388+86.6% | Added |
| Royal Bank of Canada | 5,525 | $28.0K | 0.00% | +1,403+34.0% | Added |
| Sterling Capital Management LLC | 6,822 | $34.5K | 0.00% | −1,291−15.9% | Reduced |
| California State Teachers Retirement System | 7,237 | $36.5K | 0.00% | −1,564−17.8% | Reduced |
| Ameritas Investment Partners, Inc. | 9,823 | $49.6K | 0.00% | 00.0% | Unchanged |
| M&T Bank Corp | 10,257 | $51.8K | 0.00% | +10,257 | New |
| Franklin Resources Inc | 10,357 | $52.3K | 0.00% | −76,411−88.1% | Reduced |
| JustInvest LLC | 12,245 | $61.8K | 0.00% | +687+5.9% | Added |
| Neuberger Berman Group LLC | 12,404 | $62.6K | 0.00% | +12,404 | New |
| Mutual of America Capital Management LLC | 12,568 | $63.5K | 0.00% | +312+2.5% | Added |
| Everhart Financial Group, Inc. | 12,962 | $65.5K | 0.01% | 00.0% | Unchanged |
| State of Wyoming | 13,022 | $65.8K | 0.01% | +2,268+21.1% | Added |
| Prelude Capital Management, LLC | 13,400 | $67.7K | 0.00% | +13,400 | New |
| Pallas Capital Advisors LLC | 13,953 | $70.5K | 0.00% | −452−3.1% | Reduced |
| Captrust Financial Advisors | 14,047 | $70.9K | 0.00% | −1,231−8.1% | Reduced |
| NorthCrest Asset Manangement, LLC | 14,289 | $74.4K | 0.00% | +70.0% | Added |
| Maryland State Retirement & Pension System | 15,656 | $79.1K | 0.00% | +15,656 | New |
| The PNC Financial Services Group, Inc. | 16,337 | $82.5K | 0.00% | −987−5.7% | Reduced |
| Victory Capital Management Inc | 17,628 | $89.0K | 0.00% | −2,805−13.7% | Reduced |
| Mariner, LLC | 18,565 | $93.7K | 0.00% | −8,337−31.0% | Reduced |
| Axq Capital, LP | 19,124 | $96.6K | 0.02% | +19,124 | New |
| Los Angeles Capital Management LLC | 27,420 | $104.7K | 0.00% | +27,420 | New |
| Mercer Global Advisors Inc | 21,726 | $109.7K | 0.00% | −80.0% | Reduced |
| Citigroup Inc | 22,163 | $111.9K | 0.00% | −27,810−55.7% | Reduced |
| State of Tennessee, Treasury Department | 22,900 | $114.5K | 0.00% | −35,983−61.1% | Reduced |
| ProShare Advisors LLC | 22,733 | $114.8K | 0.00% | +729+3.3% | Added |
| Comerica Bank | 23,997 | $121.2K | 0.00% | −2,795−10.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 24,338 | $123.0K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 25,175 | $127.1K | 0.00% | +500+2.0% | Added |
| STRS Ohio | 26,200 | $132.3K | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 27,223 | $137.5K | 0.00% | −641−2.3% | Reduced |
| Yousif Capital Management, LLC | 26,610 | $141.3K | 0.00% | −971−3.5% | Reduced |
| Bailard, Inc. | 29,300 | $148.0K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 29,469 | $148.8K | 0.00% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 29,648 | $149.7K | 0.00% | +29,648 | New |
| Two Sigma Investments, LP | 30,032 | $151.7K | 0.00% | −145,727−82.9% | Reduced |
| Amalgamated Bank | 32,436 | $164.0K | 0.00% | +502+1.6% | Added |
| Colony Group, LLC | 33,497 | $169.2K | 0.00% | −37,079−52.5% | Reduced |
| XTX Topco Ltd | 34,565 | $174.6K | 0.00% | −37,981−52.4% | Reduced |
| State Board of Administration of Florida Retirement System | 34,670 | $175.1K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 34,922 | $176.4K | 0.00% | −296,268−89.5% | Reduced |
| Manufacturers Life Insurance Company, The | 35,632 | $179.9K | 0.00% | −5,081−12.5% | Reduced |
| Quantbot Technologies LP | 38,533 | $194.6K | 0.01% | +4,626+13.6% | Added |
| Wealth Enhancement Advisory Services, LLC | 35,725 | $201.6K | 0.00% | −650−1.8% | Reduced |
| Dynamic Technology Lab Private Ltd | 44,274 | $224.0K | 0.05% | +9,155+26.1% | Added |
| Caxton Associates LLP | 45,376 | $229.1K | 0.00% | −48,032−51.4% | Reduced |
| Susquehanna International Group, LLP | 48,103 | $242.9K | 0.00% | −144,750−75.1% | Reduced |
| New York State Teachers Retirement System | 48,463 | $245.0K | 0.00% | 00.0% | Unchanged |
| Cerity Partners LLC | 49,528 | $250.1K | 0.00% | −2,461−4.7% | Reduced |
| Louisiana State Employees Retirement System | 50,400 | $254.5K | 0.00% | +100+0.2% | Added |
| Panagora Asset Management Inc | 51,593 | $260.5K | 0.00% | −11,005−17.6% | Reduced |
| Intech Investment Management LLC | 51,740 | $261.3K | 0.00% | +3,242+6.7% | Added |
| CWM, LLC | 52,614 | $266.0K | 0.00% | −2,452−4.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 54,611 | $275.8K | 0.00% | −644−1.2% | Reduced |
| MetLife Investment Management | 57,758 | $291.7K | 0.00% | −12,122−17.3% | Reduced |
| State of Alaska, Department of Revenue | 61,269 | $308.0K | 0.00% | −240−0.4% | Reduced |
| SG Americas Securities, LLC | 64,287 | $325.0K | 0.00% | +4,683+7.9% | Added |
| Price T Rowe Associates Inc | 69,793 | $353.0K | 0.00% | +7,658+12.3% | Added |