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.
Q4 2025 vs. Q3 2025
How the institutions holding Cytek Biosciences, Inc. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 153 | 4 | 155 | +6 |
| Shares | 80.0M | 200.6K | 82.0M | +2.23M (+2.8%) |
| Value | $277.4M | $696.0K | $414.3M | +$137.6M (+49.7%) |
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (21)
Institutions that held Cytek Biosciences, Inc. at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| HRT Financial LP | 437,653 | $2.21M | 0.01% |
| Simcoe Capital LLC | 298,461 | $1.51M | 1.42% |
| Quantinno Capital Management LP | 29,648 | $149.7K | 0.00% |
| Los Angeles Capital Management LLC | 27,420 | $104.7K | 0.00% |
| Axq Capital, LP | 19,124 | $96.6K | 0.02% |
| Maryland State Retirement & Pension System | 15,656 | $79.1K | 0.00% |
| Prelude Capital Management, LLC | 13,400 | $67.7K | 0.00% |
| Neuberger Berman Group LLC | 12,404 | $62.6K | 0.00% |
| M&T Bank Corp | 10,257 | $51.8K | 0.00% |
| Pinnacle Wealth Planning Services, Inc. | 3,488 | $17.6K | 0.00% |
| Group One Trading, L.P. | 1,500 | $7.58K | 0.00% |
| UBS Asset Management Americas Inc | 832 | $4.20K | 0.00% |
| GAMMA Investing LLC | 517 | $2.61K | 0.00% |
| Hantz Financial Services, Inc. | 289 | $1.00K | 0.00% |
| Smartleaf Asset Management LLC | 127 | $640 | 0.00% |
| Larson Financial Group LLC | 54 | $273 | 0.00% |
| CIBC Private Wealth Group, LLC | 26 | $131 | 0.00% |
| Cedar Mountain Advisors, LLC | 21 | $106 | 0.00% |
| Ankerstar Wealth, LLC | 14 | $71 | 0.00% |
| Gilpin Wealth Management, LLC | 9 | $46 | 0.00% |
| Keating Financial Advisory Services, Inc. | 2 | $10 | 0.00% |
Sold out (15)
Institutions that held Cytek Biosciences, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Tudor Investment Corp Et Al | 249,812 | $866.8K |
| Squarepoint Ops LLC | 158,641 | $550.5K |
| Marshall Wace, LLP | 134,286 | $466.0K |
| Gsa Capital Partners LLP | 109,098 | $379.0K |
| Public Employees Retirement System of Ohio | 81,106 | $281.4K |
| ExodusPoint Capital Management, LP | 62,970 | $218.5K |
| Two Sigma Advisers, LP | 61,600 | $213.8K |
| Brevan Howard Capital Management LP | 47,480 | $164.8K |
| Oxford Asset Management LLP | 37,509 | $130.2K |
| Skopos Labs, Inc. | 28,452 | $101.0K |
| Two Sigma Securities, LLC | 23,379 | $81.1K |
| CIBC Asset Management Inc | 11,100 | $38.5K |
| Optiver Holding B.V. | 1,036 | $3.60K |
| Huntington National Bank | 81 | $281 |
| Sunbelt Securities, Inc. | 12 | $42 |
Not filed for Q4 2025 yet (4)
Institutions that held Cytek Biosciences, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Cubist Systematic Strategies, LLC | 156,359 | $542.6K |
| Point72 (DIFC) Ltd | 20,489 | $71.1K |
| CIBC Bancorp USA Inc. | 12,533 | $43.5K |
| Point72 Asia (Singapore) Pte. Ltd. | 11,198 | $38.9K |