Skip to main content
Livermore
Livermore
ZHEN

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.

Q1 2025 vs. Q4 2024

How the institutions holding Cytek Biosciences, Inc. changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of CTKB: Q4 2024 compared with Q1 2025
MeasureQ4 2024Of which not filed for Q1 2025Q1 2025Change
Holders1531161+9
Shares77.3M317.3K77.5M+578.7K (+0.8%)
Value$501.4M$2.06M$310.8M−$188.5M (−37.7%)

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (30)

Institutions that held Cytek Biosciences, Inc. at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to CTKB in Q1 2025
InstitutionSharesValue% of portfolio
CenterBook Partners LP845,405$3.39M0.22%
Jacobs Levy Equity Management, Inc708,482$2.84M0.01%
Acuitas Investments, LLC331,219$1.33M1.13%
Nuveen, LLC304,985$1.22M0.00%
HRT Financial LP165,305$662.0K0.00%
PDT Partners, LLC134,065$537.6K0.04%
Caxton Associates LLP101,894$408.6K0.01%
Brevan Howard Capital Management LP79,954$320.6K0.01%
Gsa Capital Partners LLP79,062$317.0K0.03%
Ieq Capital, LLC57,682$231.3K0.00%
Arrowstreet Capital, Limited Partnership48,154$193.1K0.00%
Acadian Asset Management LLC40,667$162.0K0.00%
JT Stratford LLC36,670$147.0K0.03%
Oxford Asset Management LLP26,640$106.8K0.05%
SG Americas Securities, LLC26,274$105.0K0.00%
Diversified Trust Co24,532$98.4K0.00%
Engineers Gate Manager LP19,607$78.6K0.00%
Qube Research & Technologies Ltd19,573$78.5K0.00%
Corton Capital Inc.16,129$64.7K0.21%
Wealth Enhancement Advisory Services, LLC15,716$63.0K0.00%
Neuberger Berman Group LLC13,972$56.0K0.00%
Quadrature Capital Ltd13,896$55.9K0.00%
Public Employees Retirement System of Ohio12,573$50.4K0.00%
Creative Planning10,025$40.2K0.00%
Point72 (DIFC) Ltd6,570$26.3K0.00%
True Wealth Design, LLC1,163$4.66K0.00%
Caitong International Asset Management Co., Ltd319$1.28K0.00%
Stephens Consulting, LLC90$3610.00%
WealthTrak Capital Management LLC35$1410.00%
Simplex Trading, LLC131$00.00%

Sold out (21)

Institutions that held Cytek Biosciences, Inc. at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of CTKB in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Wellington Management Group LLP1,517,214$9.85M
Raymond James Financial Inc117,870$765.0K
Alyeska Investment Group, L.P.100,000$649.0K
Weiss Asset Management LP82,523$535.6K
ExodusPoint Capital Management, LP77,536$503.0K
Segall Bryant & Hamill, LLC56,501$366.7K
Dark Forest Capital Management LP49,847$323.5K
Versor Investments LP47,000$305.0K
Cornerstone Investment Partners, LLC31,411$203.9K
Pacer Advisors, Inc.30,155$195.7K
Bayesian Capital Management, LP22,900$148.6K
Keebeck Alpha, LP19,601$127.2K
Bailard, Inc.18,900$122.7K
Canada Pension Plan Investment Board14,300$92.8K
Mariner, LLC13,098$85.0K
R Squared Ltd280$1.82K
SRS Capital Advisors, Inc.187$1.21K
Lindbrook Capital, LLC94$610
Allworth Financial LP98$566
Parkside Financial Bank & Trust39$254
Capital Advisors, Ltd. LLC39$0

Not filed for Q1 2025 yet (1)

Institutions that held Cytek Biosciences, Inc. at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CTKB in Q4 2024 that haven't filed for Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Nuveen Asset Management, LLC317,301$2.06M