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

Show by quarter
Number of institutions holding CTKB by quarter
QuarterHolders
Q2 2026154
Q1 2026165
Q4 2025155
Q3 2025153
Q2 2025158
Q1 2025161
Q4 2024153
Q3 2024136
Q2 2024129
Q1 2024125
Q4 2023105
Q3 2023107
Q2 2023101
Q1 2023102
Q4 2022103
Q3 202288
Q2 202285
Q1 202274
Q4 202152
Q3 202154

Institutions

Institutions holding CTKB in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
VICTORY CAPITAL MANAGEMENT INC13,655$60.49K0.00%−3,966−22.5%Reduced
SG Americas Securities, LLC13,056$58K0.00%−21,550−62.3%Reduced
CAPTRUST FINANCIAL ADVISORS13,068$57.89K0.00%−3,366−20.5%Reduced
Everhart Financial Group, Inc.12,962$57.42K0.00%00.0%Unchanged
CAXTON ASSOCIATES LLP11,931$52.85K0.00%+11,931New
Legal & General Group Plc11,810$52.32K0.00%−171,050−93.5%Reduced
XPONANCE, INC.11,573$51.27K0.00%+980+9.3%Added
AE Wealth Management LLC11,512$51K0.00%−2,681−18.9%Reduced
Pallas Capital Advisors LLC11,269$49.92K0.00%−2,195−16.3%Reduced
TWO SIGMA SECURITIES, LLC11,180$49.53K0.00%+11,180New
Brevan Howard Capital Management LP10,438$46.24K0.00%+10,438New
Ameritas Investment Partners, Inc.9,823$43.52K0.00%00.0%Unchanged
Quantbot Technologies LP6,536$28.95K0.00%+6,536New
State of Alaska, Department of Revenue6,456$28K0.00%−54,813−89.5%Reduced
FEDERATED HERMES, INC.6,078$26.93K0.00%+743+13.9%Added
ROYAL BANK OF CANADA4,375$19K0.00%+2,076+90.3%Added
Caitong International Asset Management Co., Ltd3,322$14.72K0.00%−17,472−84.0%Reduced
SBI Securities Co., Ltd.3,010$13.33K0.00%−2,000−39.9%Reduced
Sterling Capital Management LLC2,451$10.86K0.00%−1,468−37.5%Reduced
Rockefeller Capital Management L.P.2,418$10.71K0.00%−2,781−53.5%Reduced
The PNC Financial Services Group, Inc.2,022$8.96K0.00%−15,905−88.7%Reduced
Private Wealth Management Group, LLC1,694$7.51K0.00%00.0%Unchanged
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM1,647$7.3K0.00%−4,715−74.1%Reduced
Essential Partners LLC1,531$6.78K0.00%−1,051−40.7%Reduced
FIFTH THIRD BANCORP1,452$6.43K0.00%−23,457−94.2%Reduced
EverSource Wealth Advisors, LLC1,221$5.41K0.00%−600−32.9%Reduced
Allworth Financial LP1,181$5.23K0.00%−209−15.0%Reduced
GAMMA Investing LLC989$4.38K0.00%−642−39.4%Reduced
Global Retirement Partners, LLC932$4.13K0.00%+932New
UMB BANK N A/MO833$3.69K0.00%−572−40.7%Reduced
BESSEMER GROUP INC593$3K0.00%00.0%Unchanged
IFP Advisors, Inc597$2.65K0.00%−389−39.5%Reduced
UBS ASSET MANAGEMENT AMERICAS INC582$2.58K0.00%00.0%Unchanged
True Wealth Design, LLC569$2.52K0.00%−142−20.0%Reduced
NISA INVESTMENT ADVISORS, LLC558$2.47K0.00%−3,196−85.1%Reduced
US BANCORP \DE\536$2.37K0.00%−21−3.8%Reduced
Versant Capital Management, Inc515$2.28K0.00%−2,220−81.2%Reduced
Larson Financial Group LLC435$1.93K0.00%−36−7.6%Reduced
ROTHSCHILD INVESTMENT LLC299$1.33K0.00%−95−24.1%Reduced
Salomon & Ludwin, LLC279$1.28K0.00%−2,422−89.7%Reduced
JONES FINANCIAL COMPANIES LLLP254$1.14K0.00%00.0%Unchanged
GROUP ONE TRADING, L.P.250$1.11K0.00%−1,950−88.6%Reduced
Prestige Wealth Management Group LLC240$1.06K0.00%00.0%Unchanged
HANTZ FINANCIAL SERVICES, INC.133$1K0.00%−454−77.3%Reduced
ADVISOR GROUP HOLDINGS, INC.185$8190.00%−957−83.8%Reduced
Farther Finance Advisors, LLC145$6410.00%−31−17.6%Reduced
Fortitude Family Office, LLC115$5090.00%+115New
Plante Moran Financial Advisors, LLC73$3230.00%+73New
FARMERS & MERCHANTS INVESTMENTS INC60$2660.00%00.0%Unchanged
Clearstead Advisors, LLC47$2090.00%+47New
SIGNATUREFD, LLC34$1510.00%−404−92.2%Reduced
Davis Capital Management12$530.00%+12New
GILPIN WEALTH MANAGEMENT, LLC9$400.00%−4−30.8%Reduced
Covestor Ltd71$00.00%+50+238.1%Added
BROWN CAPITAL MANAGEMENT LLC0$00.00%−1,480,506−100.0%Sold out
Simcoe Capital LLC0$00.00%−882,113−100.0%Sold out
PRINCIPAL FINANCIAL GROUP INC0$00.00%−534,759−100.0%Sold out
Public Sector Pension Investment Board0$00.00%−394,718−100.0%Sold out
STATE OF WISCONSIN INVESTMENT BOARD0$00.00%−104,046−100.0%Sold out
Thrivent Financial for Lutherans0$00.00%−73,399−100.0%Sold out
Illinois Municipal Retirement Fund0$00.00%−60,877−100.0%Sold out
PANAGORA ASSET MANAGEMENT INC0$00.00%−51,593−100.0%Sold out
Louisiana State Employees Retirement System0$00.00%−48,800−100.0%Sold out
NEW YORK STATE TEACHERS RETIREMENT SYSTEM0$00.00%−44,829−100.0%Sold out
nVerses Capital, LLC0$00.00%−38,319−100.0%Sold out
AMALGAMATED BANK0$00.00%−31,901−100.0%Sold out
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS0$00.00%−27,193−100.0%Sold out
YOUSIF CAPITAL MANAGEMENT, LLC0$00.00%−27,078−100.0%Sold out
Virtu Financial LLC0$00.00%−27,026−100.0%Sold out
OREGON PUBLIC EMPLOYEES RETIREMENT FUND0$00.00%−25,175−100.0%Sold out
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY0$00.00%−24,338−100.0%Sold out
JustInvest LLC0$00.00%−19,066−100.0%Sold out
Mariner, LLC0$00.00%−17,807−100.0%Sold out
Merit Financial Group, LLC0$00.00%−16,398−100.0%Sold out
Maryland State Retirement & Pension System0$00.00%−15,656−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−14,778−100.0%Sold out
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC0$00.00%−12,584−100.0%Sold out
State of Wyoming0$00.00%−12,253−100.0%Sold out
Neuberger Berman Group LLC0$00.00%−11,229−100.0%Sold out
M&T Bank Corp0$00.00%−10,308−100.0%Sold out
Pinnacle Wealth Planning Services, Inc.0$00.00%−4,313−100.0%Sold out
SIMPLEX TRADING, LLC0$00.00%−3,226−100.0%Sold out
Optiver Holding B.V.0$00.00%−3,175−100.0%Sold out
CLEAR STREET MARKETS LLC0$00.00%−1,704−100.0%Sold out
Stone House Investment Management, LLC0$00.00%−318−100.0%Sold out
Wealth Preservation Advisors, LLC0$00.00%−109−100.0%Sold out
Keating Financial Advisory Services, Inc.0$00.00%−86−100.0%Sold out
MAI Capital Management0$00.00%−78−100.0%Sold out
Parkside Financial Bank & Trust0$00.00%−66−100.0%Sold out
Ankerstar Wealth, LLC0$00.00%−60−100.0%Sold out
Root Financial Partners, LLC0$00.00%−42−100.0%Sold out
SJS Investment Consulting Inc.0$00.00%−6−100.0%Sold out