Cytek Biosciences, Inc.
CTKB- Exchange
- Nasdaq
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001831915
13F holders, Q2 2026
Positions as of Jun 30, 2026.
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
- 154
- −11 vs. Q1 2026
- Shares held
- 81.52M
- −3.55M (−4.2%) vs. Q1 2026
- Total value
- $361.05M
- −$10.72M (−2.9%) vs. Q1 2026
Compare with Q1 2026: new holders and sold out
Holders over time
54 in Q3 2021 → 154 in Q2 2026
Institutions
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,578,643 | $42.43M | 0.00% | −7,428,626−43.7% | Reduced |
| MILLENNIUM MANAGEMENT LLC | 9,338,010 | $41.37M | 0.03% | +3,046,212+48.4% | Added |
| Boston Partners | 7,660,943 | $33.94M | 0.03% | +1,858,170+32.0% | Added |
| HHLR ADVISORS, LTD.SuperinvestorHHLR Advisors (Hillhouse) | 6,657,030 | $29.49M | 3.54% | 00.0% | Unchanged |
| Topline Capital Management, LLC | 6,283,450 | $27.84M | 7.22% | −781,031−11.1% | Reduced |
| VANGUARD CAPITAL MANAGEMENT LLC | 4,939,597 | $21.88M | 0.00% | +176,693+3.7% | Added |
| GEODE CAPITAL MANAGEMENT, LLC | 3,059,573 | $13.56M | 0.00% | +225,618+8.0% | Added |
| DIMENSIONAL FUND ADVISORS LP | 2,616,257 | $11.59M | 0.00% | −47,072−1.8% | Reduced |
| STATE STREET CORP | 2,566,121 | $11.37M | 0.00% | −1,557,627−37.8% | Reduced |
| GOLDMAN SACHS GROUP INC | 2,167,515 | $9.6M | 0.00% | −177,220−7.6% | Reduced |
| ROYCE & ASSOCIATES LP | 2,081,579 | $9.22M | 0.07% | +439,211+26.7% | Added |
| Russell Investments Group, Ltd. | 1,511,315 | $6.7M | 0.01% | +151,415+11.1% | Added |
| ACADIAN ASSET MANAGEMENT LLC | 1,376,048 | $6.09M | 0.01% | +977,060+244.9% | Added |
| BANK OF AMERICA CORP /DE/ | 1,315,332 | $5.83M | 0.00% | +306,278+30.4% | Added |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,141,592 | $5.06M | 0.00% | −1,170,266−50.6% | Reduced |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1,073,253 | $4.75M | 0.00% | −31,348−2.8% | Reduced |
| NORTHERN TRUST CORP | 1,003,294 | $4.44M | 0.00% | −1,899−0.2% | Reduced |
| HRT FINANCIAL LP | 997,769 | $4.42M | 0.01% | +583,717+141.0% | Added |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 973,833 | $4.31M | 0.00% | +653,924+204.4% | Added |
| JANE STREET GROUP, LLC | 906,162 | $4.01M | 0.00% | +906,162 | New |
| Tudor Investment Corp Et Al | 837,913 | $3.71M | 0.02% | +517,198+161.3% | Added |
| AQR CAPITAL MANAGEMENT LLC | 813,971 | $3.61M | 0.00% | −98,371−10.8% | Reduced |
| VANGUARD FIDUCIARY TRUST CO | 740,662 | $3.28M | 0.00% | +23,651+3.3% | Added |
| CITADEL ADVISORS LLC | 721,470 | $3.2M | 0.00% | +250,078+53.1% | Added |
| MORGAN STANLEY | 701,792 | $3.11M | 0.00% | −1,017,083−59.2% | Reduced |
| Qube Research & Technologies Ltd | 689,821 | $3.06M | 0.00% | +689,821 | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 681,705 | $3.02M | 0.00% | +625,695+1,117.1% | Added |
| D. E. Shaw & Co., Inc. | 669,182 | $2.96M | 0.00% | +409,057+157.3% | Added |
| RENAISSANCE TECHNOLOGIES LLC | 661,300 | $2.93M | 0.00% | −15,400−2.3% | Reduced |
| FMR LLC | 504,385 | $2.23M | 0.00% | +220,999+78.0% | Added |
| MARSHALL WACE, LLP | 441,704 | $1.96M | 0.00% | +441,704 | New |
| Point72 Asset Management, L.P. | 422,361 | $1.87M | 0.00% | +422,361 | New |
| Jain Global LLC | 411,465 | $1.82M | 0.02% | +411,465 | New |
| Bank of New York Mellon Corp | 371,427 | $1.65M | 0.00% | −237,220−39.0% | Reduced |
| AMERICAN CENTURY COMPANIES INC | 292,103 | $1.29M | 0.00% | +10,422+3.7% | Added |
| Nuveen, LLC | 289,415 | $1.28M | 0.00% | +43,894+17.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 266,938 | $1.18M | 0.00% | +25,434+10.5% | Added |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 241,581 | $1.07M | 0.00% | −15,711−6.1% | Reduced |
| BNP PARIBAS ARBITRAGE, SA | 215,010 | $952.49K | 0.00% | +136,966+175.5% | Added |
| Y-Intercept (Hong Kong) Ltd | 193,128 | $855.56K | 0.02% | +193,128 | New |
| Invesco Ltd. | 185,671 | $822.52K | 0.00% | −202,562−52.2% | Reduced |
| TWO SIGMA INVESTMENTS, LP | 168,218 | $745.21K | 0.00% | +142,618+557.1% | Added |
| GSA CAPITAL PARTNERS LLP | 167,593 | $742K | 0.05% | +58,477+53.6% | Added |
| Numerai GP LLC | 159,465 | $706.43K | 0.06% | +47,005+41.8% | Added |
| FRANKLIN RESOURCES INC | 156,061 | $691.35K | 0.00% | +42,088+36.9% | Added |
| RHUMBLINE ADVISERS | 153,225 | $678.78K | 0.00% | −101,364−39.8% | Reduced |
| CenterBook Partners LP | 149,180 | $660.87K | 0.03% | −580,694−79.6% | Reduced |
| Jump Financial, LLC | 148,083 | $656.01K | 0.01% | +119,191+412.5% | Added |
| XTX Topco Ltd | 142,723 | $632.26K | 0.01% | +142,723 | New |
| ALLIANCEBERNSTEIN L.P. | 141,048 | $616.38K | 0.00% | 00.0% | Unchanged |
| JPMORGAN CHASE & CO | 141,864 | $615.69K | 0.00% | −157,226−52.6% | Reduced |
| DEUTSCHE BANK AG\ | 111,932 | $495.86K | 0.00% | +7,495+7.2% | Added |
| WELLS FARGO & COMPANY/MN | 102,704 | $454.98K | 0.00% | +57,427+126.8% | Added |
| PRICE T ROWE ASSOCIATES INC /MD/ | 101,198 | $449K | 0.00% | +21,056+26.3% | Added |
| IEQ CAPITAL, LLC | 90,100 | $399.14K | 0.00% | −54,292−37.6% | Reduced |
| UBS Group AG | 88,914 | $393.89K | 0.00% | −97,967−52.4% | Reduced |
| PDT Partners, LLC | 86,869 | $384.83K | 0.02% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 82,776 | $366.7K | 0.00% | +57,480+227.2% | Added |
| Aquatic Capital Management LLC | 76,762 | $340.06K | 0.01% | +76,762 | New |
| Voya Investment Management LLC | 74,034 | $327.97K | 0.00% | −67,351−47.6% | Reduced |
| MetLife Investment Management | 68,692 | $304.31K | 0.00% | +4,175+6.5% | Added |
| Creative Planning | 62,555 | $277.12K | 0.00% | −27,382−30.4% | Reduced |
| Catalyst Funds Management Pty Ltd | 62,500 | $276.88K | 0.02% | +62,500 | New |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 62,160 | $275.37K | 0.00% | +62,160 | New |
| Quantinno Capital Management LP | 56,823 | $251.73K | 0.00% | +5,611+11.0% | Added |
| CITIGROUP INC | 56,130 | $248.66K | 0.00% | +43,676+350.7% | Added |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 56,017 | $248.16K | 0.00% | +872+1.6% | Added |
| Balyasny Asset Management LLC | 54,381 | $240.91K | 0.00% | +54,381 | New |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 61,873 | $221.95K | 0.00% | −10,827−14.9% | Reduced |
| PRELUDE CAPITAL MANAGEMENT, LLC | 45,259 | $200.5K | 0.01% | +32,059+242.9% | Added |
| Vanguard Global Advisers, LLC | 45,212 | $200.29K | 0.00% | 00.0% | Unchanged |
| CANADA PENSION PLAN INVESTMENT BOARD | 41,300 | $182.96K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 39,936 | $176.92K | 0.00% | +10,467+35.5% | Added |
| Campbell & CO Investment Adviser LLC | 39,333 | $174.25K | 0.01% | +39,333 | New |
| ExodusPoint Capital Management, LP | 36,140 | $160.1K | 0.00% | +36,140 | New |
| R Squared Ltd | 35,412 | $156.88K | 0.08% | +35,412 | New |
| NEW YORK STATE COMMON RETIREMENT FUND | 34,922 | $154.7K | 0.00% | 00.0% | Unchanged |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | 34,670 | $153.59K | 0.00% | 00.0% | Unchanged |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 33,965 | $150.47K | 0.00% | +1,766+5.5% | Added |
| STRS OHIO | 32,000 | $141.76K | 0.00% | +5,800+22.1% | Added |
| CERITY PARTNERS LLC | 29,053 | $128.71K | 0.00% | −29,070−50.0% | Reduced |
| AXQ CAPITAL, LP | 28,299 | $125.37K | 0.01% | +8,591+43.6% | Added |
| Colony Group, LLC | 28,205 | $124.95K | 0.00% | −5,472−16.2% | Reduced |
| MERCER GLOBAL ADVISORS INC /ADV | 25,718 | $113.93K | 0.00% | −3,397−11.7% | Reduced |
| INTECH INVESTMENT MANAGEMENT LLC | 25,633 | $113.55K | 0.00% | +40.0% | Added |
| SRS Capital Advisors, Inc. | 23,786 | $105.37K | 0.00% | +23,565+10,662.9% | Added |
| PRUDENTIAL FINANCIAL INC | 23,260 | $103.04K | 0.00% | −94,337−80.2% | Reduced |
| EntryPoint Capital, LLC | 22,871 | $101.32K | 0.02% | +22,871 | New |
| Laurion Capital Management LP | 22,263 | $98.63K | 0.01% | +22,263 | New |
| Quadrature Capital Ltd | 21,420 | $94.89K | 0.00% | +21,420 | New |
| BAILARD, INC. | 19,900 | $88.16K | 0.00% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 19,809 | $87.75K | 0.00% | −3,091−13.5% | Reduced |
| BARCLAYS PLC | 19,606 | $86.85K | 0.00% | −4,537−18.8% | Reduced |
| HSBC HOLDINGS PLC | 19,734 | $85.74K | 0.00% | +19,734 | New |
| ProShare Advisors LLC | 15,925 | $70.55K | 0.00% | −2,291−12.6% | Reduced |
| Tower Research Capital LLC (TRC) | 15,594 | $69.08K | 0.00% | +5,354+52.3% | Added |
| ALGERT GLOBAL LLC | 14,895 | $65.99K | 0.00% | −27,665−65.0% | Reduced |
| NorthCrest Asset Manangement, LLC | 13,923 | $63.91K | 0.00% | −1,293−8.5% | Reduced |
| AMERIPRISE FINANCIAL INC | 14,126 | $62.58K | 0.00% | −173,144−92.5% | Reduced |
| AIGEN INVESTMENT MANAGEMENT, LP | 14,029 | $62.15K | 0.02% | +14,029 | New |