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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.

13F holders, Q1 2022

Institutional positions in Icon PLC as of Mar 31, 2022. 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
512
−26 vs. Q4 2021
Shares held
73.3M
+274.8K (+0.4%) vs. Q4 2021
Total value
$17.8B
−$4.72B (−20.9%) vs. Q4 2021
New holders
54
177 more added
Sold out
80
194 more reduced

10 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ICLR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2022: 512 institutions
Q1 2021: 426 institutionsQ2 2021: 449 institutionsQ3 2021: 510 institutionsQ4 2021: 548 institutionsQ1 2022: 512 institutionsQ2 2022: 510 institutionsQ3 2022: 488 institutionsQ4 2022: 531 institutionsQ1 2023: 538 institutionsQ2 2023: 534 institutionsQ3 2023: 556 institutionsQ4 2023: 603 institutionsQ1 2024: 648 institutionsQ2 2024: 676 institutionsQ3 2024: 662 institutionsQ4 2024: 596 institutionsQ1 2025: 562 institutionsQ2 2025: 489 institutionsQ3 2025: 513 institutionsQ4 2025: 514 institutionsQ1 2026: 420 institutionsQ2 2026: 423 institutions
Value heldQ1 2022: $17.8B
Q1 2021: $10.0BQ2 2021: $12.3BQ3 2021: $19.3BQ4 2021: $22.7BQ1 2022: $17.8BQ2 2022: $16.2BQ3 2022: $13.9BQ4 2022: $14.5BQ1 2023: $16.1BQ2 2023: $19.9BQ3 2023: $19.7BQ4 2023: $22.1BQ1 2024: $26.1BQ2 2024: $24.3BQ3 2024: $22.4BQ4 2024: $16.0BQ1 2025: $13.3BQ2 2025: $11.2BQ3 2025: $13.0BQ4 2025: $14.1BQ1 2026: $8.74BQ2 2026: $13.9B
Institutions holding ICLR and their total value by quarter
QuarterHoldersValue
Q2 2026423$13.9B
Q1 2026420$8.74B
Q4 2025514$14.1B
Q3 2025513$13.0B
Q2 2025489$11.2B
Q1 2025562$13.3B
Q4 2024596$16.0B
Q3 2024662$22.4B
Q2 2024676$24.3B
Q1 2024648$26.1B
Q4 2023603$22.1B
Q3 2023556$19.7B
Q2 2023534$19.9B
Q1 2023538$16.1B
Q4 2022531$14.5B
Q3 2022488$13.9B
Q2 2022510$16.2B
Q1 2022512$17.8B
Q4 2021548$22.7B
Q3 2021510$19.3B
Q2 2021449$12.3B
Q1 2021426$10.0B

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q4 2021.

Institutions holding ICLR in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
FIL Ltd1,696,425$412.6M0.42%+270,872+19.0%Added
Ninety One UK Ltd2,038,974$495.9M1.26%+471,885+30.1%Added
Comgest Global Investors S.A.S.2,106,221$512.3M8.01%−206,378−8.9%Reduced
Clearbridge Investments, LLC2,317,860$563.8M0.42%−99,524−4.1%Reduced
FMR LLC2,634,813$640.8M0.05%+1,092,395+70.8%Added
Boston Partners2,662,894$648.3M0.79%+547,995+25.9%Added
American Century Companies Inc2,772,792$674.4M0.46%+751,129+37.2%Added
Wellington Management Group LLP4,701,571$1.14B0.20%−453,026−8.8%Reduced
Massachusetts Financial Services Co6,569,122$1.60B0.47%−659,108−9.1%Reduced
WCM Investment Management, LLC6,806,426$1.66B4.62%−373,553−5.2%Reduced
Pathstone Family Office, LLC431––+431New
Sofos Investments, Inc.11,421––−49−0.4%Reduced
Artisan Partners Limited Partnership0$00.00%−1,373,074−100.0%Sold out
Oribel Capital Management, LP0$00.00%−91,900−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−81,270−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−76,037−100.0%Sold out
Woodline Partners LP0$00.00%−51,703−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−33,673−100.0%Sold out
Advisors Asset Management, Inc.0$00.00%−28,769−100.0%Sold out
Meritage Portfolio Management0$00.00%−23,295−100.0%Sold out
Fundsmith Investment Services Ltd.0$00.00%−22,275−100.0%Sold out
Driehaus Capital Management LLC0$00.00%−21,681−100.0%Sold out
Churchill Management Corp0$00.00%−20,452−100.0%Sold out
Distillate Capital Partners LLC0$00.00%−15,322−100.0%Sold out
Seascape Capital Management0$00.00%−13,517−100.0%Sold out
Shanda Asset Management Holdings Ltd0$00.00%−12,300−100.0%Sold out
Jefferies Group LLC0$00.00%−10,000−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−9,650−100.0%Sold out
Gyon Technologies Capital Management, LP0$00.00%−4,617−100.0%Sold out
Horizon Investment Services, LLC0$00.00%−4,166−100.0%Sold out
Penserra Capital Management LLC0$00.00%−4,079−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−3,600−100.0%Sold out
Sentry Investment Management LLC0$00.00%−3,496−100.0%Sold out
Wolverine Trading, LLC0$00.00%−3,500−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−3,010−100.0%Sold out
CFO4Life Group, LLC0$00.00%−2,555−100.0%Sold out
Private Trust Co NA0$00.00%−2,333−100.0%Sold out
Capital CS Group, LLC0$00.00%−2,278−100.0%Sold out
Coldstream Capital Management Inc0$00.00%−2,111−100.0%Sold out
Virtu Financial LLC0$00.00%−2,084−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−1,820−100.0%Sold out
Group One Trading, L.P.0$00.00%−1,688−100.0%Sold out
Autumn Glory Partners, LLC0$00.00%−1,538−100.0%Sold out
Diversified Trust Co0$00.00%−1,463−100.0%Sold out
Nisa Investment Advisors, LLC0$00.00%−1,693−100.0%Sold out
XTX Topco Ltd0$00.00%−1,401−100.0%Sold out
RBA Wealth Management, LLC0$00.00%−1,220−100.0%Sold out
Treasurer of the State of North Carolina0$00.00%−1,113−100.0%Sold out
Nicholas Company, Inc.0$00.00%−1,100−100.0%Sold out
Lake Street Financial LLC0$00.00%−1,061−100.0%Sold out
Journey Strategic Wealth LLC0$00.00%−1,025−100.0%Sold out
Arabesque Asset Management Ltd0$00.00%−963−100.0%Sold out
Hancock Whitney Investment Services Inc.0$00.00%−924−100.0%Sold out
Investment House LLC0$00.00%−915−100.0%Sold out
Jane Street Group, LLC0$00.00%−911−100.0%Sold out
Csenge Advisory Group0$00.00%−1,305−100.0%Sold out
Leuthold Group, LLC0$00.00%−872−100.0%Sold out
Mission Wealth Management, LP0$00.00%−807−100.0%Sold out
Bernardo Wealth Planning LLC0$00.00%−805−100.0%Sold out
Mark Stevens0$00.00%−800−100.0%Sold out
Buckingham Strategic Wealth, LLC0$00.00%−722−100.0%Sold out
Rehmann Capital Advisory Group0$00.00%−709−100.0%Sold out
American National Insurance Co0$00.00%−700−100.0%Sold out
Moody National Bank Trust Division0$00.00%−700−100.0%Sold out
Probity Advisors, Inc.0$00.00%−702−100.0%Sold out
Opal Wealth Advisors, LLC0$00.00%−697−100.0%Sold out
Jag Capital Management, LLC0$00.00%−665−100.0%Sold out
Cetera Advisors LLC0$00.00%−665−100.0%Sold out
Paloma Partners Management Co0$00.00%−659−100.0%Sold out
First American Bank0$00.00%−654−100.0%Sold out
Dynamic Advisor Solutions LLC0$00.00%−654−100.0%Sold out
Titleist Asset Management, Ltd.0$00.00%−648−100.0%Sold out
Livingston Group Asset Management CO (operating as Southport Capital Management)0$00.00%−645−100.0%Sold out
GraniteShares Advisors LLC0$00.00%−386−100.0%Sold out
Alpha Paradigm Partners, LLC0$00.00%−374−100.0%Sold out
USA Financial Portformulas Corp0$00.00%−315−100.0%Sold out
Cassady Schiller Wealth Management, LLC0$00.00%−100−100.0%Sold out
Covestor Ltd0$00.00%−98−100.0%Sold out
Catalyst Capital Advisors LLC0$00.00%−90−100.0%Sold out
Cullen/Frost Bankers, Inc.0$00.00%−84−100.0%Sold out
Chilton Capital Management LLC0$00.00%−68−100.0%Sold out
Snowden Capital Advisors LLC0$00.00%−56−100.0%Sold out
RWM Asset Management, LLC0$00.00%−41−100.0%Sold out
Vectors Research Management, LLC0$00.00%−21−100.0%Sold out
TFC Financial Management0$00.00%−23−100.0%Sold out
Total Clarity Wealth Management, Inc.0$00.00%−15−100.0%Sold out
KRS Capital Management, LLC0$00.00%−19−100.0%Sold out
Loring Wolcott & Coolidge Fiduciary Advisors LLP0$00.00%−9−100.0%Sold out
McDonald Partners LLC0$00.00%−8−100.0%Sold out
Absolute Capital Management, LLC0$00.00%−8−100.0%Sold out
Dixon Hughes Goodman Wealth Advisors LLC0$00.00%−6−100.0%Sold out
Aua Capital Management, LLC0$00.00%−4−100.0%Sold out
Tdam USA Inc.––––Not filed
Reilly Financial Advisors, LLC––––Not filed
Tygh Capital Management, Inc.––––Not filed
Community Financial Services Group, LLC––––Not filed
Metatron Capital SICAV plc––––Not filed
Carroll Financial Associates, Inc.––––Not filed
Evernest Financial Advisors, LLC––––Not filed
NEXT Financial Group, Inc––––Not filed