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 2021
Institutional positions in Cytek Biosciences, Inc. as of Dec 31, 2021. 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
- 52
- −2 vs. Q3 2021
- Shares held
- 35.0M
- +686.9K (+2.0%) vs. Q3 2021
- Total value
- $571.9M
- −$161.9M (−22.1%) vs. Q3 2021
- New holders
- 11
- 20 more added
- Sold out
- 13
- 9 more reduced
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Cytek Biosciences, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tradewinds Capital Management, LLC | 2 | $0 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 435 | $7.00K | 0.00% | +435 | New |
| Ameritas Investment Partners, Inc. | 1,231 | $20.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,449 | $23.0K | 0.00% | +940+184.7% | Added |
| Legal & General Group Plc | 1,600 | $26.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 3,654 | $59.0K | 0.00% | +1,811+98.3% | Added |
| STRS Ohio | 3,700 | $60.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 4,171 | $68.0K | 0.00% | +1,944+87.3% | Added |
| Metropolitan Life Insurance Co | 4,879 | $79.6K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 5,079 | $82.0K | 0.00% | −35,836−87.6% | Reduced |
| Bank of America Corp | 5,721 | $93.0K | 0.00% | +5,498+2,465.5% | Added |
| MetLife Investment Management | 6,449 | $105.2K | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 7,160 | $117.0K | 0.00% | +7,160 | New |
| American International Group, Inc. | 8,534 | $139.0K | 0.00% | −255−2.9% | Reduced |
| California State Teachers Retirement System | 8,677 | $142.0K | 0.00% | 00.0% | Unchanged |
| Chicago Partners Investment Group LLC | 10,560 | $153.0K | 0.01% | +1,237+13.3% | Added |
| JPMorgan Chase & Co | 9,932 | $162.0K | 0.00% | −3,004−23.2% | Reduced |
| Deutsche Bank AG | 10,419 | $170.0K | 0.00% | +543+5.5% | Added |
| Manufacturers Life Insurance Company, The | 10,392 | $170.0K | 0.00% | +10,392 | New |
| Victory Capital Management Inc | 10,700 | $175.0K | 0.00% | +10,700 | New |
| Paloma Partners Management Co | 10,845 | $177.0K | 0.01% | −2,142−16.5% | Reduced |
| New York State Common Retirement Fund | 10,829 | $177.0K | 0.00% | +5,229+93.4% | Added |
| Cornerstone Investment Partners, LLC | 11,500 | $188.0K | 0.01% | +11,500 | New |
| Rhumbline Advisers | 14,823 | $242.0K | 0.00% | +3,062+26.0% | Added |
| D. E. Shaw & Co., Inc. | 15,839 | $258.0K | 0.00% | +15,839 | New |
| Allspring Global Investments Holdings, LLC | 19,204 | $313.0K | 0.00% | +19,204 | New |
| Wells Fargo & Company | 25,421 | $415.0K | 0.00% | +25,340+31,284.0% | Added |
| Parkwood LLC | 32,327 | $528.0K | 0.09% | +32,327 | New |
| Norges Bank | 33,443 | $546.0K | 0.00% | −27,947−45.5% | Reduced |
| Bank of New York Mellon Corp | 52,859 | $863.0K | 0.00% | +14,290+37.1% | Added |
| Goldman Sachs Group Inc | 60,060 | $980.0K | 0.00% | −9,262−13.4% | Reduced |
| Walleye Capital LLC | 65,820 | $1.07M | 0.04% | +45,420+222.6% | Added |
| Nuveen Asset Management, LLC | 68,975 | $1.23M | 0.00% | +45,889+198.8% | Added |
| Parametric Portfolio Associates LLC | 77,737 | $1.27M | 0.00% | +77,737 | New |
| Citadel Advisors LLC | 92,369 | $1.51M | 0.00% | +77,051+503.0% | Added |
| Charles Schwab Investment Management Inc | 105,704 | $1.73M | 0.00% | +2,714+2.6% | Added |
| Renaissance Technologies LLC | 109,000 | $1.78M | 0.00% | +109,000 | New |
| Fred Alger Management, LLC | 109,088 | $1.78M | 0.00% | −3,892−3.4% | Reduced |
| Northern Trust Corp | 159,805 | $2.61M | 0.00% | +15,946+11.1% | Added |
| Ergoteles LLC | 177,001 | $2.89M | 0.11% | +177,001 | New |
| State Street Corp | 272,029 | $4.44M | 0.00% | +64,590+31.1% | Added |
| Geode Capital Management, LLC | 355,140 | $5.79M | 0.00% | +34,032+10.6% | Added |
| Octagon Capital Advisors LP | 400,000 | $6.53M | 1.27% | −100,000−20.0% | Reduced |
| Pura Vida Investments, LLC | 421,777 | $6.88M | 0.72% | −22,591−5.1% | Reduced |
| Vanguard Group Inc | 1,211,746 | $19.8M | 0.00% | +15,374+1.3% | Added |
| OrbiMed Advisors LLC | 1,923,139 | $31.4M | 0.41% | 00.0% | Unchanged |
| BlackRock Inc. | 2,370,459 | $38.7M | 0.00% | +515,716+27.8% | Added |
| FMR LLC | 2,666,600 | $43.5M | 0.00% | 00.0% | Unchanged |
| FIL Ltd | 2,666,600 | $43.5M | 0.04% | 00.0% | Unchanged |
| Miura Global Management, LLC | 3,020,000 | $49.3M | 8.35% | +902,500+42.6% | Added |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 8,757,030 | $142.9M | 2.21% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 9,607,028 | $156.8M | 2.76% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −441,518−100.0% | Sold out |
| Sectoral Asset Management Inc | 0 | $0 | 0.00% | −328,080−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −178,978−100.0% | Sold out |
| Caas Capital Management LP | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −87,634−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −8,600−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −6,890−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −831−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −749−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −320−100.0% | Sold out |
| Reilly Financial Advisors, LLC | 0 | $0 | 0.00% | −79,979−100.0% | Sold out |