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Disclosery

ICLR ICON PUB LTD CO

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Stock (common), issuer CIK 1060955

504 managers (515 13F filers) reported a position in ICLR shares at 2025-12-31, 77,371,635 shares in all. 63 filers opened a position and 72 filers sold out during the quarter.

Managers
504
13F filers
515
New
63
Added
157
Reduced
193
Sold out
72
Shares held by filers
77,371,635

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, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, 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
Artisan Partners Limited Partnership6,873,977$1.25B1.92%-197,38313F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…4,350,750$793M0.14%-286,38713F-HRTimelineGroup
Orbis Allan Gray Ltdin group Orbis Allan Gray Ltd4,214,661$768M3.22%+75,84313F-HRTimelineGroup
Franklin Resourcesgroup of 3 filers holding4,010,140$730M-255,248Timeline
Invesco Ltd.in group Invesco Ltd.3,756,896$685M0.06%+329,26613F-HRTimelineGroup
FMR LLCin group FMR LLC3,097,895$564M0.03%+1,164,65713F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding3,001,535$547M-276,764Timeline
Ninety One UK Ltd2,945,810$537M1.15%-60,33113F-HRTimeline
HARRIS ASSOCIATES L P2,510,166$457M0.58%+167,60713F-HRTimeline
MASSACHUSETTS FINANCIAL SERVICES CO /MA/in group MASSACHUSETTS FINANCIAL SERVI…2,357,033$429M0.14%-1,146,52013F-HRTimelineGroup
Ruane, Cunniff & Goldfarb L.P.1,679,590$306M4.78%-21,40413F-HRTimeline
Capital World Investors1,496,479$273M0.04%+1,268,09513F-HRTimeline
WGI DM, LLC1,396,009$254M19.01%+118,02913F-HRTimeline
ALLIANCEBERNSTEIN L.P.1,272,462$232M0.07%-101,61213F-HRTimeline
Boston Partnersin group Boston Trust Walden Corp1,258,903$229M0.24%+519,76813F-HRTimelineGroup
1832 Asset Management L.P.1,204,327$219M0.28%+20213F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …1,080,192$204M0.33%+11,33513F-HRTimelineGroup
Trinity Street Asset Management LLP1,072,428$195M12.28%+201,45513F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC1,038,013$189M0.1%+610,66813F-HRTimelineGroup
First Pacific Advisors, LP980,804$179M2.35%+6,47913F-HRTimeline
LYRICAL ASSET MANAGEMENT LP967,961$176M2.31%new13F-HRTimeline
EARNEST PARTNERS LLC890,076$162M0.7%+80,42413F-HRTimeline
NORGES BANK878,462$160M0.02%new13F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO785,937$143M0.14%+86,66313F-HRTimelineGroup
BRANDES INVESTMENT PARTNERS, LPin group BRANDES INVESTMENT PARTNERS, …776,732$142M1.08%+21,07213F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO767,924$140M0.01%+629,05613F-HRTimelineGroup
VAN LANSCHOT KEMPEN INVESTMENT MANAGEME…743,548$135M1.16%new13F-HRTimeline
JENNISON ASSOCIATES LLC677,981$124M0.07%new13F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.653,319$119M0.09%-823,78213F-HRTimelineGroup
EQUITY INVESTMENT CORP623,188$114M2.29%-5,04113F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/609,665$111M0.01%+64,38813F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding551,383$100M+87,780Timeline
Stephens Investment Management Group LLCgroup of 2 filers holding548,218$99.9M+61,678Timeline
BAMCO INC /NY/in group Baron Capital534,248$97.4M0.26%-150,69313F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP522,970$95.3M0.02%+101,68213F-HRTimelineGroup
Fisher Funds Management LTD513,102$93.2M2.41%+82,01913F-HRTimeline
ALTRINSIC GLOBAL ADVISORS LLC507,824$92.5M3.32%+204,41613F-HRTimeline
FIDUCIARY MANAGEMENT INC /WI/480,996$87.6M0.96%-79,94213F-HRTimeline
River Road Asset Management, LLC475,413$86.6M0.95%+169,86013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY473,639$86.3M0.01%-26,74113F-HR/ATimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC473,175$86.2M0.01%+24,40813F-HR/ATimelineGroup
Ninety One North America, Inc.455,399$83M3.36%+12,55213F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC438,319$79.9M0.08%+436,07413F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.377,843$68.9M<0.01%+123,78413F-HRTimelineGroup
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC372,447$67.9M0.12%-233,07113F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP361,206$65.8M<0.01%+2,29113F-HRTimelineGroup
SAMLYN CAPITAL, LLCin group SAMLYN CAPITAL, LLC337,681$61.5M0.98%new13F-HRTimelineGroup
LAKEWOOD CAPITAL MANAGEMENT, LPin group LAKEWOOD CAPITAL MANAGEMENT, …332,500$60.6M4.22%+93,30013F-HRTimelineGroup
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO289,433$52.7M0.29%-79,21013F-HRTimelineGroup
Qube Research & Technologies Ltd289,135$52.7M0.08%-269,69813F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…283,502$51.7M0.09%new13F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…280,935$51.2M0.06%+35,28813F-HRTimelineGroup
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding270,639$49.3M+270,059Timeline
HUDSON EDGE INVESTMENT PARTNERS INC.260,449$47.5M7.03%+59,71013F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson248,279$45.2M0.02%+28,00813F-HRTimelineGroup
Eagle Health Investments LP247,090$45M9.89%+64,50013F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND246,366$44.9M0.06%+21,58113F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …242,504$44.2M0.04%+30,91713F-HRTimelineGroup
Diamond Hill Capital Management, LLC (I…239,142$43.6M0.22%+4,70213F-HRTimeline
Ilex Capital Partners (UK) LLP211,898$38.6M1.09%new13F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.205,316$37.4M0.06%-18,49513F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.194,150$35.4M0.06%-267,89813F-HRTimelineGroup
Canoe Financial LP193,917$35.3M0.48%-4,05313F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC191,107$34.8M0.01%-33,27913F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC184,100$33.5M0.01%+11,70013F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD176,741$32.2M0.02%+42,65813F-HRTimeline
Holocene Advisors, LP161,983$29.5M0.06%-230,52313F-HRTimeline
Walleye Capital LLCgroup of 2 filers holding161,664$29.5M+47,961Timeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC160,822$29.3M0.02%-18,29213F-HRTimelineGroup
California Public Employees Retirement …156,052$28.4M0.02%-98113F-HRTimeline
Zuckerman Investment Group, LLC155,643$28.4M2.53%+3,89713F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc147,715$26.9M0.01%+10,60913F-HRTimelineGroup
Philosophy Capital Management LLC144,055$26.2M3.07%+64,42113F-HRTimeline
Sio Capital Management, LLC127,202$23.2M3.84%new13F-HRTimeline
BROWN CAPITAL MANAGEMENT LLC124,638$22.7M1.86%-45,70313F-HRTimeline
PFM Health Sciences, LP115,336$21M2.13%-18,34713F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC115,145$21M0.01%-35,94113F-HRTimelineGroup
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…114,000$20.8M0.12%013F-HRTimelineGroup
Prosight Management, LP110,000$20M4.14%+50013F-HRTimeline
Motley Fool Asset Management LLCgroup of 2 filers holding109,309$19.9M-14,395Timeline
AVIVA PLCin group AVIVA PLC109,074$19.9M0.03%-1,49613F-HRTimelineGroup
POLEN CAPITAL MANAGEMENT LLC105,206$19.2M0.08%-338,25513F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN104,563$19.1M<0.01%-43,06213F-HRTimelineGroup
Capital International Investorsgroup of 3 filers holding97,337$17.7M+81,661Timeline
Eversept Partners, LP95,832$17.5M0.98%+40,80713F-HRTimeline
PERRY CREEK CAPITAL LP95,000$17.3M10.39%013F-HRTimeline
VANGUARD GROUP INCgroup of 2 filers holding93,695$17.1M+2,564Timeline
BROWN ADVISORY INCin group BROWN ADVISORY INC92,356$16.8M0.02%+3,73713F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC91,673$16.7M<0.01%-2,04513F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA91,503$16.7M<0.01%-90,24013F-HRTimelineGroup
Running Oak Capital LLC91,472$16.7M2.09%-6,86313F-HRTimeline
STATE OF MICHIGAN RETIREMENT SYSTEM85,070$15.5M0.08%013F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…80,575$14.7M0.41%+53713F-HRTimelineGroup
PARTHENON LLC79,203$14.4M1.56%-58213F-HRTimeline
Foresight Group Ltd Liability Partnersh…80,893$14.4M2.17%-85813F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management75,528$13.8M0.03%new13F-HRTimelineGroup
Hound Partners, LLCin group Hound Partners, LLC75,000$13.7M1.89%013F-HRTimelineGroup
CAMBIAR INVESTORS LLC74,822$13.6M0.61%-4,20813F-HRTimeline
MUHLENKAMP & CO INC73,865$13.5M3.62%+39813F-HRTimeline
BRAIDWELL LP73,370$13.4M0.43%new13F-HRTimeline
FRONTIER CAPITAL MANAGEMENT CO LLC72,744$13.3M0.14%+3,45513F-HRTimeline
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P67,577$12.3M0.01%+2,86613F-HRTimelineGroup
Distillate Capital Partners LLC66,140$12.1M0.62%-1,39813F-HRTimeline
Aberdeen Group plcin group Aberdeen Group plc66,063$12M0.02%+62,32513F-HRTimelineGroup
Hyperion Capital Advisors LP66,021$12M5.89%+16,75713F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/61,865$11.3M<0.01%-17,32613F-HRTimelineGroup
EDMOND DE ROTHSCHILD HOLDING S.A.in group EDMOND DE ROTHSCHILD HOLDING …61,332$11.2M0.16%+15,58913F-HRTimelineGroup
KELLY LAWRENCE W & ASSOCIATES INC/CA60,116$11M2.66%-14013F-HRTimeline
PALISADE CAPITAL MANAGEMENT, LP58,533$10.7M0.32%-6,37213F-HRTimeline
MOORE CAPITAL MANAGEMENT, LP57,190$10.4M0.21%+28,11613F-HRTimeline
DekaBank Deutsche Girozentrale30,885$10.3M0.02%013F-HRTimeline
FIRETRAIL INVESTMENTS PTY LTD54,976$10.1M3.3%+1,71113F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co54,464$9.92M<0.01%+8,65713F-HRTimelineGroup
THORNBURG INVESTMENT MANAGEMENT INC54,173$9.87M0.12%-3,02813F-HRTimeline
Eldred Rock Partners, LLC53,071$9.67M2.51%-5,94613F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …51,551$9.39M0.01%+51,13113F-HRTimelineGroup
OSBORNE PARTNERS CAPITAL MANAGEMENT, LLC50,879$9.27M0.48%-71113F-HRTimeline
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP50,701$9.24M0.01%-16,40713F-HRTimelineGroup
KINGDON CAPITAL MANAGEMENT, L.L.C.50,600$9.22M1.41%new13F-HRTimeline
Arvin Capital Management LP50,160$9.14M1.97%-21,51513F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS49,501$9.02M0.01%-123,09413F-HRTimelineGroup
Corient Private Wealth LPin group Corient Private Wealth LP49,137$8.95M0.01%-3,17213F-HR/ATimelineGroup
ExodusPoint Capital Management, LP48,055$8.76M0.1%-5613F-HRTimeline
Marks Group Wealth Management, Inc45,554$8.3M0.79%-7,19013F-HRTimeline
Liontrust Investment Partners LLP43,817$7.98M0.12%-2,98413F-HRTimeline
FIRST NATIONAL BANK OF OMAHAgroup of 2 filers holding43,409$7.91M-5Timeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC41,965$7.65M0.01%-228,01413F-HRTimelineGroup
Vident Advisory, LLCin group Vident Advisory, LLC41,059$7.48M0.07%+13,17513F-HRTimelineGroup
ARMOR ADVISORS, L.L.C.39,868$7.26M7.61%+93413F-HRTimeline
Swedbank ABin group Swedbank AB38,700$7.05M0.01%-9,40013F-HR/ATimelineGroup
GATEWAY INVESTMENT ADVISERS LLC37,786$6.89M0.06%+13613F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp36,262$6.61M<0.01%+4,86313F-HRTimelineGroup
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.34,994$6.38M0.02%+5,01813F-HRTimelineGroup
KEYSTONE INVESTORS PTE LTD33,526$6.11M0.55%013F-HRTimeline
Avidity Partners Management LP33,100$6.03M1.74%new13F-HRTimeline
Ninety One SA (Pty) Ltd32,751$5.97M0.26%+14313F-HRTimeline
DNB Asset Management ASin group DNB Asset Management AS32,589$5.94M0.02%+7,79413F-HRTimelineGroup
LVM CAPITAL MANAGEMENT LTD/MI32,257$5.88M0.55%-73213F-HRTimeline
Timber Creek Capital Management LLC30,985$5.65M1.31%new13F-HRTimeline
Financiere des Professionnels - Fonds d…29,343$5.35M0.3%-18,94813F-HRTimeline
TRILLIUM ASSET MANAGEMENT, LLC28,085$5.33M0.16%-7,62113F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP28,900$5.27M0.01%-6113F-HRTimelineGroup
Circumference Group LLC28,000$5.1M5.69%013F-HRTimeline
Fayez Sarofim & Coin group Fayez Sarofim & Co27,804$5.07M0.01%-38,62913F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP27,660$5.04M<0.01%-4,90013F-HRTimelineGroup
CAPTRUST FINANCIAL ADVISORS27,544$5.02M0.01%+45113F-HRTimeline
Strategic Global Advisors, LLC27,407$4.99M0.77%-20,15813F-HRTimeline
NATIXIS ADVISORS, LLCin group Natixis Investment Managers27,264$4.97M0.01%+2,39313F-HRTimelineGroup
Calamos Advisors LLCin group Calamos Advisors LLC26,500$4.83M0.02%new13F-HRTimelineGroup
Foyston, Gordon & Payne Inc26,354$4.8M1.05%-32,62213F-HRTimeline
Hunter Perkins Capital Management, LLC26,285$4.79M1.11%-18513F-HRTimeline
Focus Partners Wealthin group Focus Partners Wealth25,801$4.7M0.01%-22,86513F-HRTimelineGroup
KORNITZER CAPITAL MANAGEMENT INC /KS25,037$4.56M0.09%-29,10013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\25,010$4.56M<0.01%-73713F-HRTimelineGroup
LPL Financial LLC24,667$4.49M<0.01%-4,49713F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP24,587$4.48M0.01%-11,85513F-HRTimelineGroup
Bellevue Group AGin group Bellevue Group AG24,560$4.48M0.08%+31313F-HRTimelineGroup
WCM INVESTMENT MANAGEMENT, LLC24,145$4.42M0.01%-119,76813F-HRTimeline
Janney Montgomery Scott LLC23,942$4.36M0.01%+9313F-HRTimeline
AMERICAN CAPITAL MANAGEMENT INC23,732$4.32M0.19%-68913F-HRTimeline
SeaBridge Investment Advisors LLC22,263$4.06M0.67%+7,46813F-HRTimeline
National Philanthropic Trust21,832$3.98M0.04%-7,39313F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP21,707$3.96M<0.01%-93413F-HRTimelineGroup
Pathstone Holdings, LLCin group Pathstone Holdings, LLC21,264$3.87M0.01%+1,74713F-HRTimelineGroup
Integrated Wealth Concepts LLC20,675$3.77M0.04%-2,19813F-HRTimeline
Sendero Wealth Management, LLC20,615$3.76M0.42%-38913F-HRTimeline
ROMANO BROTHERS AND COMPANY20,010$3.65M0.41%-4,27813F-HRTimeline
D.A. DAVIDSON & CO.19,778$3.6M0.02%+22113F-HRTimeline
Handelsbanken Fonder AB19,188$3.5M0.01%+12,62513F-HRTimeline
Live Oak Private Wealth LLC18,815$3.43M0.47%+58213F-HRTimeline
Welch & Forbes LLC18,710$3.41M0.04%-2513F-HRTimeline
Bank Julius Baer & Co. Ltd, Zurich18,496$3.37M0.01%-1,66213F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC18,166$3.31M0.07%+4,95813F-HRTimeline
Quartz Partners, LLC18,104$3.3M1.23%+2,14513F-HRTimeline
Manhattan West Asset Management, LLC17,939$3.27M0.67%+96113F-HRTimeline
Amundiin group Amundi17,810$3.25M<0.01%+3,48813F-HRTimelineGroup
HANTZ FINANCIAL SERVICES, INC.17,574$3.2M0.05%-2,60113F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
GREENHAVEN ASSOCIATES INC17,394$3.17M0.05%-1513F-HRTimeline
Banque de Luxembourg S.A.17,112$3.12M1.33%-63213F-HRTimeline
BUCKHEAD CAPITAL MANAGEMENT LLC16,654$3.03M1.09%-89313F-HRTimeline
OVERSEA-CHINESE BANKING Corp Ltdin group OVERSEA-CHINESE BANKING Corp …16,248$2.96M0.08%new13F-HR/ATimelineGroup
Arkadios Wealth Advisors15,904$2.9M0.06%+2,07213F-HRTimeline
BLAIR WILLIAM & CO/IL14,746$2.69M0.01%-9,26413F-HRTimeline
EXENCIAL WEALTH ADVISORS, LLC14,699$2.68M0.08%-62413F-HRTimeline
LONDON CO OF VIRGINIA14,438$2.63M0.02%+713F-HRTimeline
BANQUE PICTET & CIE SA13,491$2.46M0.02%-42413F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC13,488$2.46M0.22%-23713F-HRTimelineGroup
USS Investment Management Ltd13,428$2.45M0.01%-556,20713F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Cetera Investment Advisers12,638$2.3M<0.01%-2,97013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC12,438$2.27M<0.01%-5,61313F-HRTimelineGroup
Prescott Group Capital Management, L.L.…12,253$2.23M0.21%013F-HRTimeline
THOR INVESTMENT MANAGEMENT INC /OH/ /ADV12,220$2.23M1.28%+17113F-HRTimeline
Verition Fund Management LLC12,001$2.19M0.01%+40113F-HRTimeline
RICE HALL JAMES & ASSOCIATES, LLC11,971$2.18M0.12%-19213F-HRTimeline
Employees Retirement System of Texas11,901$2.17M0.02%-216,62213F-HRTimeline
TD Asset Management Inc11,889$2.17M<0.01%-12,63313F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\11,507$2.1M<0.01%+17913F-HRTimelineGroup
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC11,200$2.04M0.01%new13F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC11,028$2.01M<0.01%new13F-HR/ATimelineGroup
Hollow Brook Wealth Management LLC10,983$2M0.52%-1,20313F-HRTimeline