13F

Stock

Cytek Biosciences, Inc.

CTKB · held by 165 managers

Reported value

$365.9M

Holders

165

+20 new · −11 exited

Holders’ est. mark

−$47M

Price effect on 141 books still in the name

Largest holder

$74.3M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.17M$74.3M−$11.6MCut−$12.4M
Topline Capital Management, LLC7.06M$30.9M−$4.8MCut−$6.71M
HHLR ADVISORS, LTD.6.66M$29.1M−$4.53MCut−$4.53M
MILLENNIUM MANAGEMENT LLC6.29M$27.5M−$3.23MAdded$3.5M
Boston Partners5.8M$25.4M−$3.41MAdded$64.4K
VANGUARD CAPITAL MANAGEMENT LLC4.76M$20.8MHeld
State Street4.12M$18M−$2.8MCut−$2.92M
GEODE CAPITAL MANAGEMENT, LLC2.83M$12.4M−$1.9MCut−$1.71M
DIMENSIONAL FUND ADVISORS LP2.66M$11.6M−$1.8MCut−$1.73M
GOLDMAN SACHS GROUP INC2.34M$10.2M−$1.22MAdded$1.21M
VANGUARD PORTFOLIO MANAGEMENT LLC2.31M$10.1MHeld
MORGAN STANLEY1.72M$7.51M−$1.16MCut−$1.08M
ROYCE & ASSOCIATES LP1.64M$7.18M−$1.12MCut−$1.37M
BROWN CAPITAL MANAGEMENT LLC1.48M$6.47M−$1.01MCut−$4M
Russell Investments Group, Ltd.1.36M$5.94M−$680.8KAdded$887.1K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1.1M$4.83M−$744.3KCut−$700.3K
BANK OF AMERICA CORP /DE/1.01M$4.41M−$582.2KAdded$86K
NORTHERN TRUST CORP1.01M$4.39M−$651.2KCut−$443.2K
Icahn Capital912.3K$3.99M−$505.5KAdded$232.5K
Simcoe Capital LLC882.1K$3.85M−$203KAdded$2.35M
CenterBook Partners LP729.9K$3.19MNew
VANGUARD FIDUCIARY TRUST CO717K$3.13MHeld
Renaissance Technologies676.7K$2.96M−$459KCut−$451.6K
Bank of New York Mellon Corp608.6K$2.66M−$413.9KCut−$561.8K
PRINCIPAL FINANCIAL GROUP INC534.8K$2.34M−$363.6KCut−$1.03M
Citadel471.4K$2.06M−$113.4KAdded$1.22M
PUBLIC SECTOR PENSION INVESTMENT BOARD394.7K$1.72M−$257.9KCut−$190.4K
Invesco Ltd.388.2K$1.7M−$264KCut−$317.3K
TUDOR INVESTMENT CORP ET AL320.7K$1.4MNew
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP319.9K$1.4M−$217.5KCut−$428.5K
JPMORGAN CHASE & CO299.1K$1.29M−$224.3KCut−$374.6K
Fidelity283.4K$1.24M−$159.2KAdded$56.3K
AMERICAN CENTURY COMPANIES INC281.7K$1.23M−$191.5KCut−$206.5K
D. E. Shaw & Co., Inc.260.1K$1.14M−$176.9KCut−$192K
JACOBS LEVY EQUITY MANAGEMENT, INC257.3K$1.12M−$175KCut−$209.7K
RHUMBLINE ADVISERS254.6K$1.11M−$170KCut−$149.6K
Nuveen, LLC245.5K$1.07M−$167KCut−$208.8K
Connor, Clark & Lunn Investment Management Ltd.241.5K$1.06M−$164.2KCut−$437.6K
AMERIPRISE FINANCIAL INC187.3K$818.4K−$127.3KCut−$203.3K
UBS Group AG186.9K$816.7K−$127.1KCut−$1.51M
Legal & General Group Plc182.9K$799.1K−$124.3KCut−$152.7K
ALLIANCEBERNSTEIN L.P.141K$712.3K$0Held
IEQ CAPITAL, LLC144.4K$631K−$84.3KAdded$4.84K
VOYA INVESTMENT MANAGEMENT LLC141.4K$617.9K−$66.5KAdded$123.8K
PRUDENTIAL FINANCIAL INC117.6K$513.9K−$72.7KCut−$25.7K
FRANKLIN RESOURCES INC114K$498.1K−$7.04KAdded$445.8K
Numerai GP LLC112.5K$491.4K−$76.5KCut−$451.7K
DEUTSCHE BANK AG\104.4K$456.4K−$63.3KCut−$14K
STATE OF WISCONSIN INVESTMENT BOARD104K$454.7K−$70.8KCut−$396.6K
Creative Planning89.9K$393K−$61.2KCut−$219.1K
PDT Partners, LLC86.9K$379.6K−$59.1KCut−$84.3K
BNP PARIBAS FINANCIAL MARKETS78K$341.1K−$53.1KCut−$195.7K
MetLife Investment Management, LLC64.5K$281.9K−$39.3KCut−$9.74K
Illinois Municipal Retirement Fund60.9K$266KNew
CWM, LLC60.7K$265.4K$229.7KAdded$265.1K
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC72.7K$260.4K−$73.7KAdded$58.8K
Cerity Partners LLC58.1K$254K−$33.7KAdded$3.88K
SUSQUEHANNA INTERNATIONAL GROUP, LLP56K$244.8K−$32.7KAdded$1.84K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.55.1K$241K−$37.1KCut−$34.8K
PANAGORA ASSET MANAGEMENT INC51.6K$225.5K−$35.1KCut−$35.1K
Quantinno Capital Management LP51.2K$223.8K−$20.2KAdded$74.1K
Louisiana State Employees Retirement System48.8K$213.3K−$33.2KCut−$41.3K
WELLS FARGO & COMPANY/MN45.3K$197.9K−$30.8KCut−$472.1K
Vanguard Global Advisers, LLC45.2K$197.6KHeld
CANADA PENSION PLAN INVESTMENT BOARD41.3K$180.5KNew
nVerses Capital, LLC38.3K$167.5KNew
NEW YORK STATE COMMON RETIREMENT FUND34.9K$152.6K−$23.7KCut−$23.7K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM34.7K$151.5K−$23.6KCut−$23.6K
Focus Partners Wealth33.7K$147.2K−$22.8KCut−$22K
MANUFACTURERS LIFE INSURANCE COMPANY, THE32.2K$140.7K−$21.9KCut−$39.2K
Police & Firemen's Retirement System of New Jersey29.5K$128.8K−$20KCut−$20K
MERCER GLOBAL ADVISORS INC /ADV29.1K$127.2K−$14.8KAdded$17.5K
Jump Financial, LLC28.9K$126.3KNew
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS27.2K$118.8K−$18.5KCut−$18.6K
YOUSIF CAPITAL MANAGEMENT, LLC27.1K$118.3K−$25KCut−$23K
STRS OHIO26.2K$114.5K−$17.8KCut−$17.8K
INTECH INVESTMENT MANAGEMENT LLC25.6K$112K−$17.4KCut−$149.3K
TWO SIGMA INVESTMENTS, LP25.6K$111.9K−$17.4KCut−$39.8K
Squarepoint Ops LLC25.3K$110.5KNew
OREGON PUBLIC EMPLOYEES RETIREMENT FUND25.2K$110K−$17.1KCut−$17.1K
FIFTH THIRD BANCORP24.9K$108.9K−$621Added$104.2K
BARCLAYS PLC24.1K$105.5K−$16.4KCut−$819.9K
State of Tennessee, Department of Treasury22.9K$100.1K−$14.4KCut−$14.4K
Caitong International Asset Management Co., Ltd20.8K$90.9K−$3.5KAdded$64.9K
BAILARD, INC.19.9K$87K−$13.5KCut−$61K
AXQ CAPITAL, LP19.7K$86.1K−$13KCut−$10.5K
Vanguard Personalized Indexing Management, LLC19.1K$83.3K−$8.33KAdded$21.5K
ProShare Advisors LLC18.2K$79.6K−$12.4KCut−$35.2K
PNC Financial Services Group, Inc.17.9K$78.3K−$11.1KCut−$4.16K
Mariner, LLC17.8K$77.8K−$12KCut−$15.9K
VICTORY CAPITAL MANAGEMENT INC17.6K$77K−$12KCut−$12K
CAPTRUST FINANCIAL ADVISORS16.4K$71.8K−$9.56KAdded$875
Merit Financial Group, LLC16.4K$71.7KNew
NorthCrest Asset Manangement, LLC15.2K$68.9K−$9.72KCut−$5.52K
Maryland State Retirement & Pension System15.7K$68.4K−$10.6KCut−$10.6K
Dynamic Technology Lab Private Ltd14.8K$64.6K−$10.2KCut−$159.4K
AE Wealth Management LLC14.2K$62KNew
Pallas Capital Advisors LLC13.5K$58.8K−$9.16KCut−$11.6K
PRELUDE CAPITAL MANAGEMENT, LLC13.2K$57.7K−$8.98KCut−$9.99K
Everhart Financial Group, Inc.13K$56.6K−$8.81KCut−$8.81K
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC12.6K$55K−$8.55KCut−$8.48K
CITIGROUP INC12.5K$54.4K−$8.47KCut−$57.5K
State of Wyoming12.3K$53.5K−$8.33KCut−$12.2K
NEUBERGER BERMAN GROUP LLC11.2K$49.1K−$7.64KCut−$13.6K
XPONANCE LLC10.6K$46.3KNew
M&T Bank Corp10.3K$45K−$6.97KCut−$6.75K
Tower Research Capital LLC (TRC)10.2K$44.7K−$2.2KAdded$28.4K
Ameritas Investment Partners, Inc.9.82K$42.9K−$6.68KCut−$6.68K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM6.36K$27.8K−$4.33KCut−$8.74K
FEDERATED HERMES, INC.5.33K$23.3K−$3.11KAdded$190
Rockefeller Capital Management L.P.5.2K$22.7K−$697Added$17.5K
SBI Securities Co., Ltd.5.01K$21.9K−$3.41KCut−$3.41K
Pinnacle Wealth Planning Services, Inc.4.31K$18.8K−$2.37KAdded$1.23K
Sterling Capital Management LLC3.92K$17.1K−$2.66KCut−$17.3K
NISA INVESTMENT ADVISORS, LLC3.75K$16.4K−$2.48KCut−$2.04K
SIMPLEX TRADING, LLC3.23K$14.1K−$1.36KAdded$3.98K
Optiver Holding B.V.3.17K$13.9KNew
Salomon & Ludwin, LLC2.7K$12.2K−$313Added$9.84K
Versant Capital Management, Inc2.73K$12K−$296Added$9.76K
Essential Partners LLC2.58K$11.3K−$1.32KAdded$1.52K
ROYAL BANK OF CANADA2.3K$10K−$1.65KCut−$18K
GROUP ONE TRADING LLC2.2K$9.61K−$1.02KAdded$2.04K
EverSource Wealth Advisors, LLC1.82K$7.96K−$1.07KCut−$16
SUMMIT SECURITIES GROUP LLC1.7K$7.45KNew
Private Wealth Management Group, LLC1.69K$7.4K−$1.15KCut−$1.15K
GAMMA Investing LLC1.63K$7.13K−$352Added$4.52K
UMB Bank, n.a.1.41K$6.14K−$940Cut−$839
Allworth Financial LP1.39K$6.08K−$713Added$777
OSAIC HOLDINGS, INC.1.14K$4.99K−$80Added$4.4K
IFP Advisors, Inc986$4.31K−$483Added$723
True Wealth Design, LLC711$3.11K−$416Added$12
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC582$2.54K−$396Cut−$1.66K
US BANCORP \DE\557$2.43K−$309Added$141
Larson Financial Group LLC471$2.06K−$37Added$1.78K
SIGNATUREFD, LLC438$1.91K−$298Cut−$298
HRT FINANCIAL LP414.1K$1.81K−$282Cut−$401
ACADIAN ASSET MANAGEMENT LLC399K$1.74K−$272Cut−$1.66K
ROTHSCHILD INVESTMENT LLC394$1.72K−$188Added$328
Arax Advisory Partners221$1.67K$30Added$1.61K
Stone House Investment Management, LLC318$1.39KNew
JONES FINANCIAL COMPANIES LLLP254$1.1K−$186Cut−$186
Prestige Wealth Management Group LLC240$1.05K−$163Cut−$163
Farther Finance Advisors, LLC176$788−$55Added$308
GSA CAPITAL PARTNERS LLP109.1K$477New
Wealth Preservation Advisors, LLC109$476New
Keating Financial Advisory Services, Inc.86$376−$1Added$366
PRICE T ROWE ASSOCIATES INC /MD/80.1K$351−$47Cut−$2
MAI Capital Management78$341New
Thrivent Financial for Lutherans73.4K$321−$50Cut−$61
Parkside Financial Bank & Trust66$289−$45Cut−$687
State of Alaska, Department of Revenue61.3K$267−$41Cut−$41
Ankerstar Wealth, LLC60$262−$10Added$191
FARMERS & MERCHANTS INVESTMENTS INC60$262−$41Cut−$41
NEW YORK STATE TEACHERS RETIREMENT SYSTEM44.8K$196−$31Cut−$49
ALGERT GLOBAL LLC42.6K$186New
Root Financial Partners, LLC42$184New
SG Americas Securities, LLC34.6K$151−$24Cut−$174
AMALGAMATED BANK31.9K$139−$22Cut−$25
Virtu Financial LLC27K$118New
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY24.3K$107−$16Cut−$16
GILPIN WEALTH MANAGEMENT, LLC13$57−$7Added$11
SJS Investment Consulting Inc.6$27New
BESSEMER GROUP INC593$3$0Held
HANTZ FINANCIAL SERVICES, INC.587$3$0Added$2
Covestor Ltd21$0$0Held

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.