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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 2025

Institutional positions in Cytek Biosciences, Inc. as of Jun 30, 2025. 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
158
−3 vs. Q1 2025
Shares held
79.4M
+1.88M (+2.4%) vs. Q1 2025
Total value
$270.0M
−$40.9M (−13.2%) vs. Q1 2025
New holders
24
66 more added
Sold out
27
47 more reduced

Compare with Q1 2025: 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 2025: 158 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 2025: $270.0M
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 2025

Shares, value and share of portfolio for each institution holding Cytek Biosciences, Inc.; share changes are against Q1 2025.

Institutions holding CTKB in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Simplex Trading, LLC215$00.00%+84+64.1%Added
Covestor Ltd21$00.00%+11+110.0%Added
Larson Financial Group LLC20$680.00%−4−16.7%Reduced
Advisor Group Holdings, Inc.20$680.00%00.0%Unchanged
Farmers & Merchants Investments Inc60$2040.00%00.0%Unchanged
Parkside Financial Bank & Trust66$2250.00%+66New
Huntington National Bank81$2750.00%+81New
Rothschild Investment LLC150$5100.00%−75−33.3%Reduced
Versant Capital Management, Inc151$5130.00%−788−83.9%Reduced
CIBC Private Wealth Group, LLC154$5240.00%00.0%Unchanged
Jones Financial Companies LLLP254$9020.00%+254New
Allworth Financial LP317$1.08K0.00%+317New
Signaturefd, LLC404$1.37K0.00%+360+818.2%Added
Clearstead Advisors, LLC627$2.13K0.00%+627New
IFP Advisors, Inc608$2.60K0.00%+608Added
True Wealth Design, LLC849$2.89K0.00%−314−27.0%Reduced
Umb Bank N A864$2.94K0.00%+814+1,628.0%Added
Private Wealth Management Group, LLC1,694$5.76K0.00%+1,694New
Fifth Third Bancorp1,696$5.77K0.00%+859+102.6%Added
Essential Partners LLC1,752$5.96K0.00%+1,752New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,856$6.00K0.00%+1,856New
EverSource Wealth Advisors, LLC1,780$6.05K0.00%+1,246+233.3%Added
SBI Securities Co., Ltd.2,520$8.57K0.00%+2,500+12,500.0%Added
Sterling Capital Management LLC3,192$10.9K0.00%+1,137+55.3%Added
Nisa Investment Advisors, LLC4,553$15.5K0.00%+2,993+191.9%Added
Farther Finance Advisors, LLC4,871$16.6K0.00%+1,629+50.2%Added
Federated Hermes, Inc.7,221$24.6K0.00%+4,343+150.9%Added
Point72 (DIFC) Ltd8,181$27.8K0.00%+1,611+24.5%Added
State of Wyoming9,538$32.4K0.00%−10,654−52.8%Reduced
CIBC Asset Management Inc11,100$37.7K0.00%00.0%Unchanged
Merit Financial Group, LLC11,103$37.8K0.00%+11,103New
BNP Paribas Arbitrage, SA11,978$40.7K0.00%−81,853−87.2%Reduced
Ameritas Investment Partners, Inc.12,042$40.9K0.00%00.0%Unchanged
JustInvest LLC12,395$42.1K0.00%+12,395New
SG Americas Securities, LLC12,648$43.0K0.00%−13,626−51.9%Reduced
Oxford Asset Management LLP12,673$43.1K0.01%−13,967−52.4%Reduced
Captrust Financial Advisors12,704$43.2K0.00%+12,704New
Everhart Financial Group, Inc.12,962$44.1K0.01%+12,962New
Mutual of America Capital Management LLC13,179$44.8K0.00%−2,015−13.3%Reduced
Pallas Capital Advisors LLC14,069$47.8K0.00%+14,069New
CIBC World Markets Corp14,487$49.3K0.00%−11,942−45.2%Reduced
Aigen Investment Management, LP14,730$50.1K0.01%+14,730New
HSBC Holdings PLC15,006$52.1K0.00%+1,243+9.0%Added
Los Angeles Capital Management LLC15,332$52.1K0.00%+15,332New
The PNC Financial Services Group, Inc.16,478$56.0K0.00%+12,662+331.8%Added
NorthCrest Asset Manangement, LLC15,258$57.4K0.00%−15,519−50.4%Reduced
Mariner, LLC17,239$58.6K0.00%+17,239New
US Bancorp17,808$60.5K0.00%+7,128+66.7%Added
SlateStone Wealth, LLC17,967$61.0K0.01%−1,162−6.1%Reduced
Sanctuary Advisors, LLC18,225$62.0K0.00%+18,225New
Tower Research Capital LLC (TRC)19,760$67.2K0.00%+15,250+338.1%Added
KLP Kapitalforvaltning AS20,200$68.7K0.00%00.0%Unchanged
Aquatic Capital Management LLC20,250$68.8K0.00%+19,984+7,512.8%Added
Zurcher Kantonalbank (Zurich Cantonalbank)20,701$70.4K0.00%00.0%Unchanged
Victory Capital Management Inc21,285$72.4K0.00%−329−1.5%Reduced
Royal Bank of Canada22,448$76.0K0.00%+2,991+15.4%Added
Oregon Public Employees Retirement Fund23,475$79.8K0.00%−475−2.0%Reduced
Teachers Retirement System of the State of Kentucky24,338$83.0K0.00%00.0%Unchanged
Diversified Trust Co24,532$83.4K0.00%00.0%Unchanged
State of Tennessee, Treasury Department24,710$84.0K0.00%−43,145−63.6%Reduced
Quantbot Technologies LP24,731$84.1K0.00%+24,731New
ProShare Advisors LLC25,970$88.3K0.00%−1,797−6.5%Reduced
STRS Ohio26,200$89.1K0.00%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys26,340$89.6K0.00%+1,371+5.5%Added
Russell Investments Group, Ltd.27,795$94.5K0.00%−39,589−58.8%Reduced
Police & Firemen's Retirement System of New Jersey29,469$100.2K0.00%00.0%Unchanged
Amalgamated Bank29,931$102.0K0.00%+715+2.4%Added
Comerica Bank30,413$103.4K0.00%+472+1.6%Added
Skopos Labs, Inc.30,664$104.3K0.01%+20,741+209.0%Added
Yousif Capital Management, LLC31,202$106.1K0.00%00.0%Unchanged
Point72 Asia (Singapore) Pte. Ltd.31,595$107.4K0.02%+15,824+100.3%Added
Arizona State Retirement System31,721$107.9K0.00%+349+1.1%Added
Bank of Montreal33,072$112.4K0.00%+17,379+110.7%Added
Clear Street Markets LLC33,276$113.1K0.04%+33,276New
Wealth Enhancement Advisory Services, LLC31,067$116.8K0.00%+15,351+97.7%Added
State Board of Administration of Florida Retirement System34,670$117.9K0.00%00.0%Unchanged
Gsa Capital Partners LLP35,166$120.0K0.01%−43,896−55.5%Reduced
Voya Investment Management LLC38,312$130.3K0.00%−41,954−52.3%Reduced
Manufacturers Life Insurance Company, The44,441$151.1K0.00%+379+0.9%Added
Trexquant Investment LP45,131$153.4K0.00%−503,873−91.8%Reduced
CWM, LLC45,420$154.0K0.00%+27,400+152.1%Added
Dynamic Technology Lab Private Ltd45,714$155.0K0.02%+32,427+244.1%Added
Intech Investment Management LLC46,942$159.6K0.00%−20,923−30.8%Reduced
EntryPoint Capital, LLC47,746$162.3K0.08%+47,746New
Louisiana State Employees Retirement System47,900$162.9K0.00%−1,200−2.4%Reduced
New York State Teachers Retirement System48,463$165.0K0.00%00.0%Unchanged
Cerity Partners LLC51,362$174.6K0.00%+51,362New
Brevan Howard Capital Management LP55,122$187.4K0.00%−24,832−31.1%Reduced
Creative Planning55,677$189.3K0.00%+45,652+455.4%Added
HRT Financial LP56,620$192.0K0.00%−108,685−65.7%Reduced
Price T Rowe Associates Inc56,821$194.0K0.00%+3,484+6.5%Added
State of Alaska, Department of Revenue60,953$206.0K0.00%+3,141+5.4%Added
Mirae Asset Global ETFs Holdings Ltd.64,390$218.9K0.00%−6,224−8.8%Reduced
Janus Henderson Group PLC64,873$220.9K0.00%00.0%Unchanged
Public Employees Retirement System of Ohio68,906$234.3K0.00%+56,333+448.0%Added
MetLife Investment Management73,298$249.2K0.00%+5,567+8.2%Added
Thrivent Financial for Lutherans75,439$256.0K0.00%−1,199−1.6%Reduced
Wells Fargo & Company75,451$256.5K0.00%+3,963+5.5%Added
Franklin Resources Inc76,588$260.4K0.00%+444+0.6%Added
Deutsche Bank AG77,048$262.0K0.00%−16,906−18.0%Reduced