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Icon PLC

ICLR
Exchange
Nasdaq
Industry
Services-Commercial Physical & Biological Research
SEC CIK
0001060955

In the last 90 days, Icon PLC insiders filed 0 open-market purchases and 12 sales; 423 institutions reported holding it in 13F filings for Q2 2026, worth $13.9B in total; superinvestors Harris Associates (Oakmark) and Greenhaven Associates hold it.

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Q3 2026 vs. Q2 2026

How the institutions holding Icon PLC changed between Q2 2026 and Q3 2026.

All holders in Q3 2026All holders in Q2 2026

13F holders of ICLR: Q2 2026 compared with Q3 2026
MeasureQ2 2026Of which not filed for Q3 2026Q3 2026Change
Holders42342030
Shares80.3M80.3M666−1.67K (−71.4%)
Value$13.9B$13.9B$112.8K−$291.6K (−72.1%)

420 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (0)

Institutions that held Icon PLC at the end of Q3 2026 but not at the end of Q2 2026.

None.

Sold out (0)

Institutions that held Icon PLC at the end of Q2 2026 and filed for Q3 2026 without it.

None.

Not filed for Q3 2026 yet (420)

Institutions that held Icon PLC at the end of Q2 2026 and haven't filed a 13F for Q3 2026. Not filing isn't selling, so they aren't counted as sold out.

Showing the largest 100 of 420 by value.

Institutions holding ICLR in Q2 2026 that haven't filed for Q3 2026
InstitutionShares, Q2 2026Value, Q2 2026
Artisan Partners Limited Partnership8,636,406$1.50B
Wellington Management Group LLP5,320,054$924.1M
FMR LLC5,271,321$915.7M
Invesco Ltd.5,264,236$914.5M
Harris Associates L PSuperinvestorHarris Associates (Oakmark)4,468,146$776.2M
Brave Warrior Advisors, LLC3,153,308$547.8M
Greenhaven Associates IncSuperinvestorGreenhaven Associates3,100,615$538.6M
Principal Financial Group Inc2,950,974$512.6M
Massachusetts Financial Services Co2,105,171$369.4M
Ruane, Cunniff & Goldfarb L.P.2,048,087$355.8M
Boston Partners1,620,730$281.4M
Trinity Street Asset Management LLP1,535,462$266.7M
D. E. Shaw & Co., Inc.1,357,143$235.7M
Dimensional Fund Advisors LP1,270,230$220.6M
Earnest Partners LLC1,242,639$215.9M
Maple Rock Capital Partners Inc.1,199,600$208.4M
1832 Asset Management L.P.1,194,860$207.6M
Brandes Investment Partners, LP1,185,774$206.0M
Capital World Investors1,106,056$192.1M
Ameriprise Financial Inc979,596$170.2M
Kempen Capital Management N.V.961,665$167.1M
SEI Investments Co902,185$156.7M
Equity Investment Corp888,875$154.4M
Lyrical Asset Management LP881,179$153.1M
Alliancebernstein L.P.1,378,196$152.5M
Norges Bank820,998$142.6M
Thrivent Financial for Lutherans802,415$139.4M
Franklin Resources Inc771,084$136.2M
Stephens Investment Management Group LLC720,261$125.1M
First Pacific Advisors, LP606,523$105.4M
Russell Investments Group, Ltd.599,198$104.1M
Lakewood Capital Management, LP585,200$101.7M
UBS Group AG546,437$94.9M
BlackRock, Inc.534,935$92.9M
Bank of America Corp503,099$87.4M
Zurich Insurance Group Ltd481,208$83.6M
Goldman Sachs Group Inc450,717$78.3M
State Street Corp437,853$76.1M
Morgan Stanley414,192$71.9M
Standard Life Aberdeen plc394,362$68.5M
Bamco Inc376,805$65.5M
Jane Street Group, LLC374,800$65.1M
HGK Asset Management Inc366,477$63.7M
Point72 Asset Management, L.P.365,945$63.6M
Woodline Partners LP327,184$56.8M
Eagle Health Investments LP308,143$53.5M
Zuckerman Investment Group, LLC294,439$51.1M
Voya Investment Management LLC289,918$50.4M
River Road Asset Management, LLC285,137$49.5M
Canada Pension Plan Investment Board246,018$42.7M
Perry Creek Capital LP245,000$42.6M
CIBC Bancorp USA Inc.231,237$40.2M
Legal & General Group Plc229,796$39.9M
Hyperion Capital Advisors LP224,665$39.0M
Brown Advisory Inc202,339$35.1M
Diamond Hill Capital Management Inc194,618$33.8M
Royal Bank of Canada194,040$33.7M
Raymond James Financial Inc191,976$33.3M
Kensico Capital Management Corp188,000$32.7M
Marshall Wace, LLP175,440$30.5M
Price T Rowe Associates Inc153,981$26.7M
Fisher Funds Management LTD149,726$26.0M
Citadel Advisors LLC148,573$25.8M
Stanley Capital Management, LLC140,160$24.3M
PFM Health Sciences, LP136,482$23.7M
Parkwood LLC134,842$23.4M
Eldred Rock Partners, LLC134,248$23.3M
Envestnet Asset Management Inc133,841$23.2M
New York State Common Retirement Fund122,943$21.4M
Foresight Group Ltd Liability Partnership119,181$20.6M
Polar Capital Holdings Plc116,939$20.3M
CI Private Wealth, LLC114,826$19.9M
Vident Advisory, LLC114,280$19.9M
California Public Employees Retirement System113,407$19.7M
Charles Schwab Investment Management Inc106,275$18.5M
Frontier Capital Management Co LLC104,335$18.1M
Geode Capital Management, LLC98,639$17.1M
Oribel Capital Management, LP98,100$17.0M
Bank of Montreal97,601$17.0M
Teacher Retirement System of Texas97,118$16.9M
Sio Capital Management, LLC88,186$15.3M
Distillate Capital Partners LLC86,720$15.1M
State of Michigan Retirement System85,070$14.8M
Sone Capital Management, LLC83,333$14.5M
Farmers & Merchants Investments Inc82,928$14.4M
Parthenon LLC78,653$13.7M
Leith Wheeler Investment Counsel Ltd.75,794$13.2M
Handelsbanken Fonder AB71,817$12.5M
Wells Fargo & Company69,698$12.1M
Firetrail Investments Pty Ltd69,624$12.0M
Muhlenkamp & Co Inc66,337$11.5M
Arvin Capital Management LP64,820$11.3M
Vanguard Capital Management LLC62,839$10.9M
Khrom Capital Management LLC61,900$10.8M
Schonfeld Strategic Advisors LLC54,575$9.48M
Verition Fund Management LLC53,631$9.32M
Gateway Investment Advisers LLC53,557$9.30M
BNP PARIBAS ASSET MANAGEMENT Holding S.A.52,381$9.10M
Osborne Partners Capital Management, LLC48,671$8.45M
Millennium Management LLC48,483$8.42M