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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, Q2 2024

Institutional positions in Cytek Biosciences, Inc. as of Jun 30, 2024. 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
129
+5 vs. Q1 2024
Shares held
76.2M
−4.32M (−5.4%) vs. Q1 2024
Total value
$425.1M
−$115.2M (−21.3%) vs. Q1 2024
New holders
21
56 more added
Sold out
16
40 more reduced

1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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.

Institutional holdersQ2 2024: 129 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 54 institutionsQ4 2021: 52 institutionsQ1 2022: 74 institutionsQ2 2022: 85 institutionsQ3 2022: 88 institutionsQ4 2022: 103 institutionsQ1 2023: 102 institutionsQ2 2023: 101 institutionsQ3 2023: 107 institutionsQ4 2023: 105 institutionsQ1 2024: 125 institutionsQ2 2024: 129 institutionsQ3 2024: 136 institutionsQ4 2024: 153 institutionsQ1 2025: 161 institutionsQ2 2025: 158 institutionsQ3 2025: 153 institutionsQ4 2025: 155 institutionsQ1 2026: 165 institutionsQ2 2026: 154 institutions
Value heldQ2 2024: $425.1M
Q1 2021: $0Q2 2021: $0Q3 2021: $733.8MQ4 2021: $571.9MQ1 2022: $514.5MQ2 2022: $567.8MQ3 2022: $898.5MQ4 2022: $654.1MQ1 2023: $629.6MQ2 2023: $657.9MQ3 2023: $427.7MQ4 2023: $719.9MQ1 2024: $540.9MQ2 2024: $425.1MQ3 2024: $415.3MQ4 2024: $501.4MQ1 2025: $310.8MQ2 2025: $270.0MQ3 2025: $277.4MQ4 2025: $414.3MQ1 2026: $371.8MQ2 2026: $361.0M
Institutions holding CTKB and their total value by quarter
QuarterHoldersValue
Q2 2026154$361.0M
Q1 2026165$371.8M
Q4 2025155$414.3M
Q3 2025153$277.4M
Q2 2025158$270.0M
Q1 2025161$310.8M
Q4 2024153$501.4M
Q3 2024136$415.3M
Q2 2024129$425.1M
Q1 2024125$540.9M
Q4 2023105$719.9M
Q3 2023107$427.7M
Q2 2023101$657.9M
Q1 2023102$629.6M
Q4 2022103$654.1M
Q3 202288$898.5M
Q2 202285$567.8M
Q1 202274$514.5M
Q4 202152$571.9M
Q3 202154$733.8M
Q2 20210$0
Q1 20210$0

Institutions, Q2 2024

Shares, value and share of portfolio for each institution holding Cytek Biosciences, Inc.; share changes are against Q1 2024.

Institutions holding CTKB in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Ameritas Investment Partners, Inc.12,042$67.2K0.00%00.0%Unchanged
Cerity Partners LLC11,815$65.9K0.00%+11,815New
Royal Bank of Canada11,417$64.0K0.00%+7,203+170.9%Added
CIBC Asset Management Inc10,360$57.8K0.00%−459−4.2%Reduced
Bank of Montreal10,296$57.5K0.00%+116+1.1%Added
Russell Investments Group, Ltd.8,360$46.6K0.00%+8,168+4,254.2%Added
The PNC Financial Services Group, Inc.6,772$37.8K0.00%+3,024+80.7%Added
Federated Hermes, Inc.4,033$22.5K0.00%−154−3.7%Reduced
Catalyst Funds Management Pty Ltd2,700$15.1K0.00%+2,400+800.0%Added
Nisa Investment Advisors, LLC1,749$9.76K0.00%+334+23.6%Added
Simplex Trading, LLC1,490$8.00K0.00%+1,351+971.9%Added
CWM, LLC1,044$6.00K0.00%+849+435.4%Added
GAMMA Investing LLC1,068$5.96K0.00%+172+19.2%Added
Clear Street Markets LLC878$5.00K0.00%+878New
Farther Finance Advisors, LLC848$4.76K0.00%+41+5.1%Added
Fifth Third Bancorp826$4.61K0.00%+70+9.3%Added
Smartleaf Asset Management LLC526$2.89K0.00%+526New
EverSource Wealth Advisors, LLC158$1.06K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC154$8980.00%00.0%Unchanged
Advisor Group Holdings, Inc.89$4970.00%+89New
Quest Partners LLC68$3790.00%−9,640−99.3%Reduced
Farmers & Merchants Investments Inc60$3350.00%00.0%Unchanged
Umb Bank N A50$2790.00%−2−3.8%Reduced
Rothschild Investment LLC40$2230.00%+20+100.0%Added
Huntington National Bank36$2010.00%+36New
Larson Financial Group LLC24$1340.00%+24New
Parkside Financial Bank & Trust21$1180.00%+5+31.3%Added
Capital Advisors, Ltd. LLC39$00.00%00.0%Unchanged
Covestor Ltd10$00.00%00.0%Unchanged
Ra Capital Management, L.P.0$00.00%−6,809,404−100.0%Sold out
Divisadero Street Capital Management, LP0$00.00%−487,550−100.0%Sold out
Texas Permanent School Fund0$00.00%−86,601−100.0%Sold out
Marshall Wace, LLP0$00.00%−68,591−100.0%Sold out
American International Group, Inc.0$00.00%−64,321−100.0%Sold out
Mirae Asset Global Investments Co., Ltd.0$00.00%−49,053−100.0%Sold out
Grandeur Peak Global Advisors, LLC0$00.00%−33,131−100.0%Sold out
XTX Topco Ltd0$00.00%−19,844−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−15,379−100.0%Sold out
Oxford Asset Management LLP0$00.00%−13,726−100.0%Sold out
Two Sigma Investments, LP0$00.00%−13,211−100.0%Sold out
Group One Trading, L.P.0$00.00%−8,377−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−6,522−100.0%Sold out
KBC Group NV0$00.00%−3,884−100.0%Sold out
Leonteq Securities AG0$00.00%−1,090−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−24−100.0%Sold out
Credit Suisse AG––––Not filed