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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
76.8M
−5.48M (−6.7%) vs. Q1 2024
Total value
$428.5M
−$123.7M (−22.4%) vs. Q1 2024
New holders
21
55 more added
Sold out
16
41 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: $428.5M
Q1 2021: $0Q2 2021: $0Q3 2021: $744.4MQ4 2021: $571.9MQ1 2022: $514.5MQ2 2022: $567.8MQ3 2022: $898.7MQ4 2022: $659.0MQ1 2023: $640.2MQ2 2023: $657.9MQ3 2023: $427.7MQ4 2023: $728.9MQ1 2024: $552.8MQ2 2024: $428.5MQ3 2024: $418.6MQ4 2024: $501.4MQ1 2025: $311.2MQ2 2025: $270.0MQ3 2025: $309.8MQ4 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$309.8M
Q2 2025158$270.0M
Q1 2025161$311.2M
Q4 2024153$501.4M
Q3 2024136$418.6M
Q2 2024129$428.5M
Q1 2024125$552.8M
Q4 2023105$728.9M
Q3 2023107$427.7M
Q2 2023101$657.9M
Q1 2023102$640.2M
Q4 2022103$659.0M
Q3 202288$898.7M
Q2 202285$567.8M
Q1 202274$514.5M
Q4 202152$571.9M
Q3 202154$744.4M
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
BlackRock Inc.17,070,422$95.3M0.00%−355,549−2.0%Reduced
Vanguard Group Inc11,746,178$65.5M0.00%−266,627−2.2%Reduced
Brown Capital Management LLC11,387,384$63.5M1.28%−634,630−5.3%Reduced
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)6,657,030$37.1M0.92%00.0%Unchanged
State Street Corp3,973,132$22.2M0.00%−142,727−3.5%Reduced
New York State Common Retirement Fund2,949,008$16.5M0.02%+1,0220.0%Added
Geode Capital Management, LLC2,578,794$14.4M0.00%+70,778+2.8%Added
Wellington Management Group LLP2,135,707$11.9M0.00%+780,737+57.6%Added
Dimensional Fund Advisors LP1,465,122$8.17M0.00%+89,615+6.5%Added
Goldman Sachs Group Inc1,357,251$7.57M0.00%+793,236+140.6%Added
JPMorgan Chase & Co1,216,880$6.79M0.00%+1,046,056+612.4%Added
Northern Trust Corp1,085,387$6.06M0.00%−45,235−4.0%Reduced
Millennium Management LLC946,490$5.28M0.00%+919,845+3,452.2%Added
Charles Schwab Investment Management Inc917,835$5.12M0.00%+16,842+1.9%Added
Morgan Stanley894,364$4.99M0.00%−1,636,199−64.7%Reduced
Bank of New York Mellon Corp804,261$4.49M0.00%+29,579+3.8%Added
FMR LLC636,690$3.55M0.00%+114,302+21.9%Added
Connor, Clark & Lunn Investment Management Ltd.631,472$3.52M0.01%−486−0.1%Reduced
FIL Ltd573,600$3.20M0.00%00.0%Unchanged
Principal Financial Group Inc480,144$2.68M0.00%−38,550−7.4%Reduced
Rhumbline Advisers355,436$1.98M0.00%+18,124+5.4%Added
Invesco Ltd.320,471$1.79M0.00%−31,373−8.9%Reduced
Nuveen Asset Management, LLC317,301$1.77M0.00%+11,636+3.8%Added
Algert Global LLC295,275$1.65M0.05%+168,665+133.2%Added
Legal & General Group Plc279,475$1.56M0.00%−8,191−2.8%Reduced
State of Wisconsin Investment Board275,334$1.54M0.00%−15,474−5.3%Reduced
Ameriprise Financial Inc267,636$1.49M0.00%−21,920−7.6%Reduced
Voloridge Investment Management, LLC257,527$1.44M0.01%−250,065−49.3%Reduced
Renaissance Technologies LLC233,900$1.31M0.00%+233,900New
Swiss National Bank218,800$1.22M0.00%+4,800+2.2%Added
Public Sector Pension Investment Board210,813$1.18M0.01%+5,476+2.7%Added
Bank of America Corp201,755$1.13M0.00%+112,388+125.8%Added
UBS Asset Management Americas Inc199,153$1.11M0.00%+75,022+60.4%Added
Jane Street Group, LLC192,316$1.07M0.00%+146,254+317.5%Added
Squarepoint Ops LLC187,361$1.05M0.00%+170,539+1,013.8%Added
Deerfield Management Company, L.P. (Series C)155,759$869.1K0.01%+155,759New
American Century Companies Inc154,939$864.6K0.00%+28,449+22.5%Added
Alliancebernstein L.P.152,492$850.9K0.00%+51,340+50.8%Added
Teachers Retirement System of the State of Kentucky147,966$826.0K0.01%+36,603+32.9%Added
Trexquant Investment LP138,394$772.2K0.01%+138,394New
Royce & Associates LP119,478$666.7K0.01%+108,128+952.7%Added
California State Teachers Retirement System109,206$609.4K0.00%−496−0.5%Reduced
Prudential Financial Inc103,082$575.2K0.00%−9,150−8.2%Reduced
Alyeska Investment Group, L.P.100,000$558.0K0.00%00.0%Unchanged
EntryPoint Capital, LLC99,036$552.6K0.26%+99,036New
Susquehanna International Group, LLP92,784$517.7K0.00%+69,284+294.8%Added
Thrivent Financial for Lutherans79,552$444.0K0.00%−6,290−7.3%Reduced
UBS Group AG79,532$443.8K0.00%−3,375−4.1%Reduced
Citigroup Inc77,056$430.0K0.00%+12,927+20.2%Added
MetLife Investment Management70,240$391.9K0.00%+7,258+11.5%Added
Corebridge Financial, Inc.69,330$386.9K0.00%+69,330New
Janus Henderson Group PLC64,873$361.0K0.00%−601−0.9%Reduced
Manufacturers Life Insurance Company, The64,003$357.1K0.00%+2,460+4.0%Added
Mirae Asset Global ETFs Holdings Ltd.61,826$345.0K0.00%+61,826New
First Trust Advisors LP60,164$335.7K0.00%−184,125−75.4%Reduced
AQR Capital Management LLC60,147$335.6K0.00%+40,240+202.1%Added
Citadel Advisors LLC57,128$318.8K0.00%+57,128New
Deutsche Bank AG56,915$317.6K0.00%−10,241−15.2%Reduced
State of Alaska, Department of Revenue56,264$313.0K0.00%−4,016−6.7%Reduced
Wells Fargo & Company53,330$297.6K0.00%+17,189+47.6%Added
NorthCrest Asset Manangement, LLC51,150$285.4K0.01%00.0%Unchanged
State of Tennessee, Treasury Department48,896$272.8K0.00%+21,522+78.6%Added
Louisiana State Employees Retirement System48,200$269.0K0.01%−800−1.6%Reduced
Barclays PLC46,444$259.2K0.00%−60,174−56.4%Reduced
New York State Teachers Retirement System45,363$253.0K0.00%−10,025−18.1%Reduced
Voya Investment Management LLC41,617$232.2K0.00%+1,397+3.5%Added
Price T Rowe Associates Inc38,327$214.0K0.00%+3,662+10.6%Added
Allianz Asset Management GmbH37,400$208.7K0.00%+37,400New
ExodusPoint Capital Management, LP37,034$207.0K0.00%+37,034New
Natixis Advisors, L.P.35,951$201.0K0.00%+35,951New
State Board of Administration of Florida Retirement System34,670$193.5K0.00%+15,550+81.3%Added
Yousif Capital Management, LLC34,281$191.3K0.00%−11,165−24.6%Reduced
Maryland State Retirement & Pension System33,412$186.4K0.00%−2,550−7.1%Reduced
SG Americas Securities, LLC32,333$180.0K0.00%+32,333New
Arizona State Retirement System31,130$173.7K0.00%+1,328+4.5%Added
Sherbrooke Park Advisers LLC29,984$167.3K0.03%−55,850−65.1%Reduced
Comerica Bank29,855$166.6K0.00%−11,064−27.0%Reduced
Amalgamated Bank29,270$163.0K0.00%−3,593−10.9%Reduced
Allspring Global Investments Holdings, LLC25,144$140.3K0.00%+25,144New
State of Wyoming23,871$133.2K0.02%+6,233+35.3%Added
Cornerstone Investment Partners, LLC23,554$131.4K0.01%−1,900−7.5%Reduced
Dynamic Technology Lab Private Ltd23,470$131.0K0.01%+6,524+38.5%Added
Oregon Public Employees Retirement Fund23,250$129.7K0.00%−3,200−12.1%Reduced
Victory Capital Management Inc23,000$128.3K0.00%+835+3.8%Added
Versor Investments LP22,400$125.0K0.02%−24,500−52.2%Reduced
Quadrature Capital Ltd21,229$118.2K0.00%+5,969+39.1%Added
Dark Forest Capital Management LP21,098$117.7K0.02%+9,711+85.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)20,701$115.5K0.00%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys20,649$115.2K0.00%−720−3.4%Reduced
ProShare Advisors LLC18,147$101.3K0.00%−5,794−24.2%Reduced
Tower Research Capital LLC (TRC)17,054$95.2K0.00%+15,658+1,121.6%Added
Prelude Capital Management, LLC16,914$94.4K0.01%+1,114+7.1%Added
Balyasny Asset Management LLC16,238$90.6K0.00%−29,529−64.5%Reduced
Mutual of America Capital Management LLC15,751$87.9K0.00%−1,296−7.6%Reduced
Mariner, LLC15,532$86.6K0.00%−2,412−13.4%Reduced
Everence Capital Management Inc13,860$83.0K0.01%00.0%Unchanged
Gsa Capital Partners LLP14,647$82.0K0.01%+14,647New
Verition Fund Management LLC13,757$76.8K0.00%+13,757New
HSBC Holdings PLC13,707$75.4K0.00%+247+1.8%Added
SlateStone Wealth, LLC12,500$70.0K0.01%+12,500New