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.
Q3 2025 vs. Q2 2025
How the institutions holding Cytek Biosciences, Inc. changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Of which not filed for Q3 2025 | Q3 2025 | Change |
|---|---|---|---|---|
| Holders | 158 | 1 | 153 | −4 |
| Shares | 79.4M | 14.5K | 80.0M | +622.2K (+0.8%) |
| Value | $270.0M | $49.3K | $277.4M | +$7.47M (+2.8%) |
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (20)
Institutions that held Cytek Biosciences, Inc. at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Wellington Management Group LLP | 2,541,046 | $8.82M | 0.00% |
| Tudor Investment Corp Et Al | 249,812 | $866.8K | 0.01% |
| Point72 Asset Management, L.P. | 187,618 | $651.0K | 0.00% |
| Two Sigma Investments, LP | 175,759 | $609.9K | 0.00% |
| D. E. Shaw & Co., Inc. | 121,022 | $419.9K | 0.00% |
| Two Sigma Advisers, LP | 61,600 | $213.8K | 0.00% |
| Boston Partners | 37,183 | $129.0K | 0.00% |
| SRS Capital Advisors, Inc. | 30,259 | $105.0K | 0.00% |
| Bailard, Inc. | 29,300 | $101.7K | 0.00% |
| Two Sigma Securities, LLC | 23,379 | $81.1K | 0.01% |
| Mercer Global Advisors Inc | 21,734 | $75.4K | 0.00% |
| CIBC Bancorp USA Inc. | 12,533 | $43.5K | 0.00% |
| Caitong International Asset Management Co., Ltd | 2,756 | $9.56K | 0.01% |
| Optiver Holding B.V. | 1,036 | $3.60K | 0.00% |
| Salomon & Ludwin, LLC | 279 | $1.11K | 0.00% |
| Bessemer Group Inc | 312 | $1.00K | 0.00% |
| Prestige Wealth Management Group LLC | 240 | $833 | 0.00% |
| Rockefeller Capital Management L.P. | 175 | $607 | 0.00% |
| Sunbelt Securities, Inc. | 12 | $42 | 0.00% |
| Colony Group, LLC | 70,576 | – | – |
Sold out (24)
Institutions that held Cytek Biosciences, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Algert Global LLC | 372,238 | $1.27M |
| Globeflex Capital L P | 290,511 | $987.7K |
| UBS Asset Management Americas Inc | 284,350 | $966.8K |
| Swiss National Bank | 212,100 | $721.1K |
| Teacher Retirement System of Texas | 92,638 | $315.0K |
| Janus Henderson Group PLC | 64,873 | $220.9K |
| HRT Financial LP | 56,620 | $192.0K |
| EntryPoint Capital, LLC | 47,746 | $162.3K |
| Trexquant Investment LP | 45,131 | $153.4K |
| Clear Street Markets LLC | 33,276 | $113.1K |
| Bank of Montreal | 33,072 | $112.4K |
| Arizona State Retirement System | 31,721 | $107.9K |
| Diversified Trust Co | 24,532 | $83.4K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 20,701 | $70.4K |
| KLP Kapitalforvaltning AS | 20,200 | $68.7K |
| Sanctuary Advisors, LLC | 18,225 | $62.0K |
| SlateStone Wealth, LLC | 17,967 | $61.0K |
| Los Angeles Capital Management LLC | 15,332 | $52.1K |
| HSBC Holdings PLC | 15,006 | $52.1K |
| Aigen Investment Management, LP | 14,730 | $50.1K |
| Merit Financial Group, LLC | 11,103 | $37.8K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,856 | $6.00K |
| CIBC Private Wealth Group, LLC | 154 | $524 |
| Larson Financial Group LLC | 20 | $68 |
Not filed for Q3 2025 yet (1)
Institutions that held Cytek Biosciences, Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| CIBC World Markets Corp | 14,487 | $49.3K |