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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 18,069,282 | $72.5M | 0.00% | −413,513−2.2% | Reduced |
| Vanguard Group Inc | 9,622,008 | $38.6M | 0.00% | −2,094,835−17.9% | Reduced |
| Brown Capital Management LLC | 7,463,967 | $29.9M | 0.90% | −782,643−9.5% | Reduced |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 6,657,030 | $26.7M | 0.75% | 00.0% | Unchanged |
| State Street Corp | 4,382,174 | $17.6M | 0.00% | −128,204−2.8% | Reduced |
| Dimensional Fund Advisors LP | 2,853,809 | $11.4M | 0.00% | +1,023,377+55.9% | Added |
| Geode Capital Management, LLC | 2,686,677 | $10.8M | 0.00% | +47,594+1.8% | Added |
| New York State Common Retirement Fund | 2,088,390 | $8.37M | 0.01% | 00.0% | Unchanged |
| Topline Capital Management, LLC | 1,470,775 | $5.90M | 1.35% | +1,234,179+521.6% | Added |
| Goldman Sachs Group Inc | 1,158,001 | $4.64M | 0.00% | −183,751−13.7% | Reduced |
| Northern Trust Corp | 1,151,567 | $4.62M | 0.00% | −36,764−3.1% | Reduced |
| Charles Schwab Investment Management Inc | 1,104,889 | $4.43M | 0.00% | +41,899+3.9% | Added |
| CenterBook Partners LP | 845,405 | $3.39M | 0.22% | +845,405 | New |
| Morgan Stanley | 745,477 | $2.99M | 0.00% | −343,984−31.6% | Reduced |
| FMR LLC | 717,160 | $2.88M | 0.00% | +33,973+5.0% | Added |
| Jacobs Levy Equity Management, Inc | 708,482 | $2.84M | 0.01% | +708,482 | New |
| Bank of New York Mellon Corp | 692,402 | $2.78M | 0.00% | −38,307−5.2% | Reduced |
| Renaissance Technologies LLC | 687,600 | $2.76M | 0.00% | +225,000+48.6% | Added |
| JPMorgan Chase & Co | 671,313 | $2.69M | 0.00% | −276,370−29.2% | Reduced |
| AQR Capital Management LLC | 653,277 | $2.62M | 0.00% | +521,135+394.4% | Added |
| UBS Group AG | 611,528 | $2.45M | 0.00% | −54,205−8.1% | Reduced |
| Citadel Advisors LLC | 602,517 | $2.42M | 0.00% | +401,377+199.6% | Added |
| Royce & Associates LP | 565,819 | $2.27M | 0.02% | +95,000+20.2% | Added |
| Trexquant Investment LP | 549,004 | $2.20M | 0.03% | +306,405+126.3% | Added |
| Principal Financial Group Inc | 520,743 | $2.09M | 0.00% | +13,818+2.7% | Added |
| Millennium Management LLC | 495,437 | $1.99M | 0.00% | −308,486−38.4% | Reduced |
| Algert Global LLC | 411,425 | $1.65M | 0.04% | +60,510+17.2% | Added |
| Panagora Asset Management Inc | 408,926 | $1.64M | 0.01% | +281,928+222.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 359,577 | $1.44M | 0.01% | −242,118−40.2% | Reduced |
| Jane Street Group, LLC | 344,169 | $1.38M | 0.00% | +276,972+412.2% | Added |
| Invesco Ltd. | 336,953 | $1.35M | 0.00% | +9,893+3.0% | Added |
| Bank of America Corp | 332,121 | $1.33M | 0.00% | −12,839−3.7% | Reduced |
| Acuitas Investments, LLC | 331,219 | $1.33M | 1.13% | +331,219 | New |
| Public Sector Pension Investment Board | 330,914 | $1.33M | 0.01% | +70,970+27.3% | Added |
| State of Wisconsin Investment Board | 311,325 | $1.25M | 0.00% | +51,087+19.6% | Added |
| Nuveen, LLC | 304,985 | $1.22M | 0.00% | +304,985 | New |
| Legal & General Group Plc | 296,829 | $1.19M | 0.00% | −16,208−5.2% | Reduced |
| Rhumbline Advisers | 296,284 | $1.19M | 0.00% | +1,745+0.6% | Added |
| Globeflex Capital L P | 290,511 | $1.16M | 0.11% | +206,077+244.1% | Added |
| Ameriprise Financial Inc | 277,348 | $1.11M | 0.00% | +27,980+11.2% | Added |
| American Century Companies Inc | 232,175 | $931.0K | 0.00% | +27,430+13.4% | Added |
| Susquehanna International Group, LLP | 215,288 | $863.3K | 0.00% | +158,393+278.4% | Added |
| Swiss National Bank | 212,100 | $850.5K | 0.00% | −6,700−3.1% | Reduced |
| UBS Asset Management Americas Inc | 191,624 | $768.4K | 0.00% | −5,434−2.8% | Reduced |
| XTX Topco Ltd | 170,279 | $682.8K | 0.03% | +149,373+714.5% | Added |
| HRT Financial LP | 165,305 | $662.0K | 0.00% | +165,305 | New |
| Citigroup Inc | 156,144 | $626.1K | 0.00% | −4,051−2.5% | Reduced |
| Barclays PLC | 152,863 | $613.0K | 0.00% | −62,561−29.0% | Reduced |
| Alliancebernstein L.P. | 151,848 | $608.9K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 134,065 | $537.6K | 0.04% | +134,065 | New |
| Prudential Financial Inc | 106,382 | $426.6K | 0.00% | −67,000−38.6% | Reduced |
| California State Teachers Retirement System | 105,185 | $421.8K | 0.00% | 00.0% | Unchanged |
| Caxton Associates LLP | 101,894 | $408.6K | 0.01% | +101,894 | New |
| Deutsche Bank AG | 93,954 | $376.8K | 0.00% | −9,228−8.9% | Reduced |
| BNP Paribas Arbitrage, SA | 93,831 | $376.3K | 0.00% | −114,833−55.0% | Reduced |
| Teacher Retirement System of Texas | 91,172 | $365.6K | 0.00% | −15,425−14.5% | Reduced |
| Graham Capital Management, L.P. | 82,286 | $330.0K | 0.01% | +54,868+200.1% | Added |
| Voya Investment Management LLC | 80,266 | $321.9K | 0.00% | +40,517+101.9% | Added |
| Brevan Howard Capital Management LP | 79,954 | $320.6K | 0.01% | +79,954 | New |
| Gsa Capital Partners LLP | 79,062 | $317.0K | 0.03% | +79,062 | New |
| Thrivent Financial for Lutherans | 76,638 | $307.0K | 0.00% | −4,009−5.0% | Reduced |
| Franklin Resources Inc | 76,144 | $305.3K | 0.00% | −107−0.1% | Reduced |
| Allianz Asset Management GmbH | 74,000 | $296.7K | 0.00% | +23,300+46.0% | Added |
| Wells Fargo & Company | 71,488 | $286.7K | 0.00% | +248+0.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 70,614 | $283.2K | 0.00% | +1,540+2.2% | Added |
| Intech Investment Management LLC | 67,865 | $272.1K | 0.00% | +18,161+36.5% | Added |
| State of Tennessee, Treasury Department | 67,855 | $272.1K | 0.00% | −2,647−3.8% | Reduced |
| MetLife Investment Management | 67,731 | $271.6K | 0.00% | −6,667−9.0% | Reduced |
| Russell Investments Group, Ltd. | 67,384 | $270.2K | 0.00% | +39,582+142.4% | Added |
| Janus Henderson Group PLC | 64,873 | $259.8K | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 61,718 | $247.5K | 0.00% | −2,303−3.6% | Reduced |
| Ieq Capital, LLC | 57,682 | $231.3K | 0.00% | +57,682 | New |
| State of Alaska, Department of Revenue | 57,812 | $231.0K | 0.00% | −1,485−2.5% | Reduced |
| Cubist Systematic Strategies, LLC | 57,413 | $230.2K | 0.00% | −59,211−50.8% | Reduced |
| Summit Global Investments | 54,873 | $220.0K | 0.02% | +18,684+51.6% | Added |
| Price T Rowe Associates Inc | 53,337 | $214.0K | 0.00% | +6,148+13.0% | Added |
| Louisiana State Employees Retirement System | 49,100 | $196.9K | 0.00% | −1,300−2.6% | Reduced |
| New York State Teachers Retirement System | 48,463 | $194.0K | 0.00% | +3,100+6.8% | Added |
| Arrowstreet Capital, Limited Partnership | 48,154 | $193.1K | 0.00% | +48,154 | New |
| Manufacturers Life Insurance Company, The | 44,062 | $176.7K | 0.00% | −1,118−2.5% | Reduced |
| Squarepoint Ops LLC | 43,004 | $172.4K | 0.00% | −24,911−36.7% | Reduced |
| Acadian Asset Management LLC | 40,667 | $162.0K | 0.00% | +40,667 | New |
| JT Stratford LLC | 36,670 | $147.0K | 0.03% | +36,670 | New |
| State Board of Administration of Florida Retirement System | 34,670 | $139.0K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 33,452 | $134.1K | 0.00% | +19,810+145.2% | Added |
| Arizona State Retirement System | 31,372 | $125.8K | 0.00% | −1,069−3.3% | Reduced |
| Maryland State Retirement & Pension System | 31,322 | $125.6K | 0.00% | −4,648−12.9% | Reduced |
| Yousif Capital Management, LLC | 31,202 | $125.1K | 0.00% | −751−2.4% | Reduced |
| NorthCrest Asset Manangement, LLC | 30,777 | $123.4K | 0.00% | −1,407−4.4% | Reduced |
| Comerica Bank | 29,941 | $120.1K | 0.00% | −498−1.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 29,469 | $118.2K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 29,216 | $117.0K | 0.00% | −2,626−8.2% | Reduced |
| ProShare Advisors LLC | 27,767 | $111.3K | 0.00% | −8,474−23.4% | Reduced |
| Oxford Asset Management LLP | 26,640 | $106.8K | 0.05% | +26,640 | New |
| CIBC World Markets Corp | 26,429 | $106.0K | 0.00% | +15,071+132.7% | Added |
| STRS Ohio | 26,200 | $105.1K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 26,274 | $105.0K | 0.00% | +26,274 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 24,969 | $100.1K | 0.00% | +2,695+12.1% | Added |
| Diversified Trust Co | 24,532 | $98.4K | 0.00% | +24,532 | New |
| Teachers Retirement System of the State of Kentucky | 24,338 | $97.0K | 0.00% | −132,941−84.5% | Reduced |