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Disclosery

CTKB CYTEK BIOSCIENCES INC

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COMMON STOCK (common), issuer CIK 1831915

161 managers (162 13F filers) reported a position in CTKB shares at 2025-03-31, 77,515,483 shares in all. 28 filers opened a position and 21 filers sold out during the quarter.

Managers
161
13F filers
162
New
28
Added
50
Reduced
64
Sold out
21
Shares held by filers
77,515,483

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2025

Filers in the available 13F reports with a share position at 2025-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.18,069,282$72.5M<0.01%-413,51313F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC9,622,008$38.6M<0.01%-2,094,83513F-HRTimelineGroup
BROWN CAPITAL MANAGEMENT LLC7,463,967$29.9M0.9%-782,64313F-HRTimeline
HHLR ADVISORS, LTD.in group HHLR ADVISORS, LTD.6,657,030$26.7M0.75%013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP4,382,174$17.6M<0.01%-128,20413F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP2,853,809$11.4M<0.01%+1,023,37713F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC2,686,677$10.8M<0.01%+47,59413F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND2,088,390$8.37M0.01%013F-HR/ATimeline
Topline Capital Management, LLC1,470,775$5.9M1.35%+1,234,17913F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC1,158,001$4.64M<0.01%-183,75113F-HR/ATimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP1,151,567$4.62M<0.01%-36,76413F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co1,104,889$4.43M<0.01%+41,89913F-HR/ATimelineGroup
CenterBook Partners LP845,405$3.39M0.22%new13F-HRTimeline
UBS Group AGgroup of 2 filers holding803,152$3.22M-59,639Timeline
MORGAN STANLEYin group MORGAN STANLEY745,477$2.99M<0.01%-343,98413F-HRTimelineGroup
FMR LLCin group FMR LLC717,160$2.88M<0.01%+33,97313F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC708,482$2.84M0.01%new13F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp692,402$2.78M<0.01%-38,30713F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC687,600$2.76M<0.01%+225,00013F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO671,313$2.69M<0.01%-276,37013F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC653,277$2.62M<0.01%+521,13513F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC602,517$2.42M<0.01%+401,37713F-HRTimelineGroup
ROYCE & ASSOCIATES LP565,819$2.27M0.02%+95,00013F-HRTimeline
Trexquant Investment LP549,004$2.2M0.03%+306,40513F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC520,743$2.09M<0.01%+13,81813F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC495,437$1.99M<0.01%-308,48613F-HRTimelineGroup
ALGERT GLOBAL LLC411,425$1.65M0.04%+60,51013F-HR/ATimeline
PANAGORA ASSET MANAGEMENT INC408,926$1.64M0.01%+281,92813F-HRTimeline
Connor, Clark & Lunn Investment Managem…359,577$1.44M0.01%-242,11813F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC344,169$1.38M<0.01%+276,97213F-HR/ATimelineGroup
Invesco Ltd.in group Invesco Ltd.336,953$1.35M<0.01%+9,89313F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/332,121$1.33M<0.01%-12,83913F-HRTimelineGroup
Acuitas Investments, LLC331,219$1.33M1.13%new13F-HRTimeline
Public Sector Pension Investment Board330,914$1.33M0.01%+70,97013F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD311,325$1.25M<0.01%+51,08713F-HRTimeline
Nuveen, LLCin group TIAA304,985$1.22M<0.01%13F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc296,829$1.19M<0.01%-16,20813F-HRTimelineGroup
RHUMBLINE ADVISERS296,284$1.19M<0.01%+1,74513F-HR/ATimeline
GLOBEFLEX CAPITAL L P290,511$1.16M0.11%+206,07713F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC277,348$1.11M<0.01%+27,98013F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC232,175$931K<0.01%+27,43013F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…215,288$863K<0.01%+158,39313F-HRTimelineGroup
Swiss National Bank212,100$851K<0.01%-6,70013F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd170,279$683K0.03%+149,37313F-HRTimelineGroup
HRT FINANCIAL LP165,305$662K<0.01%new13F-HRTimeline
CITIGROUP INCin group CITIGROUP INC156,144$626K<0.01%-4,05113F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC152,863$613K<0.01%-62,56113F-HR/ATimelineGroup
ALLIANCEBERNSTEIN L.P.151,848$609K<0.01%013F-HRTimeline
PDT Partners, LLC134,065$538K0.04%new13F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC106,382$427K<0.01%-67,00013F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…105,185$422K<0.01%013F-HRTimeline
CAXTON ASSOCIATES LLP101,894$409K0.01%13F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\93,954$377K<0.01%-9,22813F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS93,831$376K<0.01%-114,83313F-HRTimelineGroup
TEACHER RETIREMENT SYSTEM OF TEXAS91,172$366K<0.01%-15,42513F-HRTimeline
Graham Capital Management, L.P.82,286$330K0.01%+54,86813F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC80,266$322K<0.01%+40,51713F-HR/ATimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…79,954$321K0.01%new13F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP79,062$317K0.03%new13F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…76,638$307K<0.01%-4,00913F-HR/ATimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources76,144$305K<0.01%-10713F-HRTimelineGroup
Allianz Asset Management GmbHin group Allianz SE74,000$297K<0.01%+23,30013F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN71,488$287K<0.01%+24813F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…70,614$283K<0.01%+1,54013F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC67,865$272K<0.01%+18,16113F-HRTimeline
State of Tennessee, Department of Treas…67,855$272K<0.01%-2,64713F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…67,731$272K<0.01%-6,66713F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…67,384$270K<0.01%+39,58213F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson64,873$260K<0.01%013F-HRTimelineGroup
Corebridge Financial, Inc.in group Corebridge Financial, Inc.61,718$247K<0.01%-2,30313F-HRTimelineGroup
IEQ CAPITAL, LLC57,682$231K<0.01%new13F-HRTimeline
State of Alaska, Department of Revenue57,812$231K<0.01%-1,48513F-HRTimeline
Cubist Systematic Strategies, LLC57,413$230K<0.01%-59,21113F-HRTimeline
Summit Global Investmentsin group Summit Global Investments54,873$220K0.02%+18,68413F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/53,337$214K<0.01%+6,14813F-HRTimeline
Louisiana State Employees Retirement Sy…49,100$197K<0.01%-1,30013F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…48,463$194K<0.01%+3,10013F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …48,154$193K<0.01%new13F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …44,062$177K<0.01%-1,11813F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC43,004$172K<0.01%-24,91113F-HR/ATimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC40,667$162K<0.01%new13F-HRTimelineGroup
JT Stratford LLC36,670$147K0.03%new13F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…34,670$139K<0.01%013F-HRTimeline
Verition Fund Management LLC33,452$134K<0.01%+19,81013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM31,372$126K<0.01%-1,06913F-HRTimeline
Maryland State Retirement & Pension Sys…31,322$126K<0.01%-4,64813F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC31,202$125K<0.01%-75113F-HRTimeline
NorthCrest Asset Manangement, LLC30,777$123K<0.01%-1,40713F-HRTimeline
COMERICA BANK29,941$120K<0.01%-49813F-HRTimeline
Police & Firemen's Retirement System of…29,469$118K<0.01%013F-HRTimeline
AMALGAMATED BANK29,216$117K<0.01%-2,62613F-HRTimeline
ProShare Advisors LLC27,767$111K<0.01%-8,47413F-HRTimeline
OXFORD ASSET MANAGEMENT LLP26,640$107K0.05%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
CIBC WORLD MARKETS CORP26,429$106K<0.01%+15,07113F-HRTimeline
STRS OHIO26,200$105K<0.01%013F-HRTimeline
SG Americas Securities, LLC26,274$105K<0.01%new13F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…24,969$100K<0.01%+2,69513F-HRTimeline
DIVERSIFIED TRUST CO24,532$98.4K<0.01%new13F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…24,338$97K<0.01%-132,94113F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND23,950$96K<0.01%-60013F-HRTimeline
SHERBROOKE PARK ADVISERS LLC22,314$89.5K0.04%-19,46013F-HRTimeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …21,873$87.7K<0.01%013F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC21,614$86.7K<0.01%-43913F-HRTimeline
Quantinno Capital Management LP21,190$85K<0.01%+6,97013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…20,701$83K<0.01%013F-HRTimeline
KLP KAPITALFORVALTNING AS20,200$81K<0.01%013F-HRTimeline
State of Wyoming20,192$81K0.01%-19,58013F-HRTimeline
Engineers Gate Manager LP19,607$78.6K<0.01%new13F-HRTimeline
Qube Research & Technologies Ltd19,573$78.5K<0.01%new13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA19,457$78K<0.01%-4,07413F-HR/ATimelineGroup
SlateStone Wealth, LLC19,129$77K0.01%+3,04113F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC19,200$77K0.01%-9,68013F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC18,972$75K<0.01%+213F-HRTimelineGroup
CWM, LLCin group CWM, LLC18,020$72K<0.01%+16,98313F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.17,496$70.2K<0.01%-371,86313F-HR/ATimelineGroup
Corton Capital Inc.16,129$64.7K0.21%new13F-HRTimeline
Point72 Asia (Singapore) Pte. Ltd.15,771$63.2K0.02%+4,40713F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…15,716$63K<0.01%new13F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/15,693$62.9K<0.01%+4,60813F-HRTimelineGroup
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…15,194$60.9K<0.01%-61113F-HR/ATimelineGroup
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC13,972$56K<0.01%new13F-HRTimelineGroup
Quadrature Capital Ltdin group Quadrature Capital Ltd13,896$55.9K<0.01%new13F-HRTimelineGroup
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC13,763$55.3K<0.01%-35513F-HRTimelineGroup
Dynamic Technology Lab Private Ltd13,287$53K0.01%-11,13613F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…12,573$50.4K<0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…12,042$48.3K<0.01%013F-HRTimelineGroup
CIBC Asset Management Inc11,100$44.5K<0.01%-31113F-HRTimeline
Teza Capital Management LLC10,893$43.7K0.02%-64113F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\10,680$42.8K<0.01%+10,57113F-HRTimelineGroup
Creative Planningin group Creative Planning10,025$40.2K<0.01%new13F-HRTimelineGroup
Brooklyn Investment Group9,923$39.8K0.01%+9,92213F-HRTimeline
Point72 (DIFC) Ltd6,570$26.3K<0.01%new13F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…4,510$18.1K<0.01%+1,42113F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…3,816$15.3K<0.01%-5,03413F-HRTimelineGroup
Farther Finance Advisors, LLC3,242$12.7K<0.01%+2,40713F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.2,878$11.5K<0.01%-4,77013F-HRTimelineGroup
Sterling Capital Management LLC2,055$8.24K<0.01%-1,83213F-HRTimeline
QUADRANT CAPITAL GROUP LLC1,594$6.39K<0.01%+1,49513F-HRTimeline
NISA INVESTMENT ADVISORS, LLC1,560$6.26K<0.01%-63913F-HRTimeline
True Wealth Design, LLC1,163$4.66K<0.01%new13F-HRTimeline
Versant Capital Management, Inc939$3.77K<0.01%-8913F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…837$3.36K<0.01%-1,28313F-HRTimelineGroup
GAMMA Investing LLC718$2.88K<0.01%-4,21413F-HR/ATimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…534$2.14K<0.01%+44913F-HRTimelineGroup
Smartleaf Asset Management LLC361$1.44K<0.01%-55213F-HRTimeline
Caitong International Asset Management …319$1.28K<0.01%new13F-HRTimeline
Aquatic Capital Management LLC266$1.07K<0.01%-3,51913F-HRTimeline
ROTHSCHILD INVESTMENT LLC225$902<0.01%+8013F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.154$519<0.01%013F-HRTimelineGroup
Stephens Consulting, LLC90$361<0.01%new13F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…60$241<0.01%013F-HRTimelineGroup
UMB Bank, n.a.50$201<0.01%-32313F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
SIGNATUREFD, LLC44$176<0.01%-6913F-HRTimeline
WealthTrak Capital Management LLC35$141<0.01%new13F-HRTimeline
Larson Financial Group LLC24$96<0.01%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.20$80<0.01%-2713F-HRTimelineGroup
SBI Securities Co., Ltd.20$80<0.01%+1013F-HRTimeline
IFP Advisors, Inc0$16<0.01%013F-HRTimelineAmount filed as zero, left out of ratios.
SIMPLEX TRADING, LLC131$00%new13F-HRTimelineValue filed as zero, left out of ratios.
Covestor Ltd10$00%013F-HRTimelineValue filed as zero, left out of ratios.
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.