Skip to main content

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, Q3 2025

Institutional positions in Icon PLC as of Sep 30, 2025. 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
513
+30 vs. Q2 2025
Shares held
74.4M
−1.21M (−1.6%) vs. Q2 2025
Total value
$13.0B
+$2.04B (+18.6%) vs. Q2 2025
New holders
91
169 more added
Sold out
61
184 more reduced

6 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 513 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 heldQ3 2025: $13.0B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q2 2025.

Institutions holding ICLR in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Rothschild Investment LLC9,885$1.73M0.10%+9,885New
Brant Point Investment Management LLC10,000$1.75M0.39%+3,000+42.9%Added
Lighthouse Investment Partners, LLC10,000$1.75M0.06%+10,000New
Henry James International Management, Inc.10,353$1.81M0.55%−450−4.2%Reduced
Wiley Bros.-Aintree Capital, LLC10,568$1.85M0.01%+1,758+20.0%Added
National Bank of Canada11,057$1.94M0.00%+244+2.3%Added
US Bancorp11,328$1.98M0.00%+3,137+38.3%Added
EFG Asset Management (North America) Corp.11,336$1.98M0.26%+11,336New
Verition Fund Management LLC11,600$2.03M0.01%+943+8.8%Added
Thor Investment Management Inc12,049$2.11M1.27%+5,675+89.0%Added
Rice Hall James & Associates, LLC12,163$2.13M0.12%+9,889+434.9%Added
Hollow Brook Wealth Management LLC12,186$2.13M0.50%+1,678+16.0%Added
Prescott Group Capital Management, L.L.C.12,253$2.14M0.23%+12,253New
Mackenzie Financial Corp12,330$2.16M0.00%+3,203+35.1%Added
UBS Asset Management Americas Inc13,042$2.28M0.00%−15,012−53.5%Reduced
Kennedy Capital Management, Inc.13,208$2.31M0.05%−471−3.4%Reduced
CWM Advisors, LLC13,725$2.40M0.23%−966−6.6%Reduced
Arkadios Wealth Advisors13,832$2.42M0.06%+3,650+35.8%Added
Banque Pictet & Cie SA13,915$2.44M0.02%+13,915New
London Co of Virginia14,431$2.53M0.01%+11,309+362.2%Added
Sterling Capital Management LLC14,678$2.57M0.04%−7,922−35.1%Reduced
SeaBridge Investment Advisors LLC14,795$2.59M0.42%+14,795New
Exencial Wealth Advisors, LLC15,323$2.68M0.09%+667+4.6%Added
Amundi14,322$2.73M0.00%−109,848−88.5%Reduced
Cetera Investment Advisers15,608$2.73M0.00%+1,639+11.7%Added
Quartz Partners, LLC15,959$2.79M1.01%+5,356+50.5%Added
Susquehanna International Group, LLP16,392$2.87M0.00%+16,392New
Manhattan West Asset Management, LLC16,978$2.97M0.63%−3,610−17.5%Reduced
Greenhaven Associates IncSuperinvestorGreenhaven Associates17,409$3.05M0.05%−224−1.3%Reduced
Buckhead Capital Management LLC17,547$3.07M1.12%+1,328+8.2%Added
Banque de Luxembourg S.A.17,744$3.11M1.61%+135+0.8%Added
Citigroup Inc18,051$3.16M0.00%−79−0.4%Reduced
Live Oak Private Wealth LLC18,233$3.19M0.44%+5,593+44.2%Added
Welch & Forbes LLC18,735$3.28M0.04%−50.0%Reduced
Pathstone Holdings, LLC19,517$3.42M0.01%+1,983+11.3%Added
D.A. Davidson & Co.19,557$3.42M0.02%+19,557New
TT International Asset Management LTD41,290$3.46M0.67%−116,706−73.9%Reduced
Bank Julius Baer & Co. Ltd, Zurich20,158$3.53M0.01%−501−2.4%Reduced
Hantz Financial Services, Inc.20,175$3.53M0.05%−1,131−5.3%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main20,766$3.63M0.00%+20,766New
Sendero Wealth Management, LLC21,004$3.68M0.43%+4,403+26.5%Added
Northern Trust Corp22,641$3.96M0.00%−9,082−28.6%Reduced
Engineers Gate Manager LP22,808$3.99M0.05%+12,013+111.3%Added
Integrated Wealth Concepts LLC22,873$4.00M0.04%−4,389−16.1%Reduced
Janney Montgomery Scott LLC23,849$4.17M0.01%−2,296−8.8%Reduced
Blair William & Co24,010$4.20M0.01%+836+3.6%Added
Bellevue Group AG24,247$4.24M0.09%+24,247New
American Capital Management Inc24,421$4.27M0.17%−24,805−50.4%Reduced
Romano Brothers and Company24,288$4.28M0.49%+3,125+14.8%Added
TD Asset Management Inc24,522$4.29M0.00%+2,011+8.9%Added
Walleye Trading LLC24,587$4.30M0.07%+5,714+30.3%Added
DnB Asset Management AS24,795$4.34M0.02%−6,054−19.6%Reduced
Natixis Advisors, L.P.24,871$4.35M0.01%+1,000+4.2%Added
Sector Gamma AS24,967$4.37M1.08%+24,967New
Deutsche Bank AG25,747$4.51M0.00%−545−2.1%Reduced
Hunter Perkins Capital Management, LLC26,470$4.63M1.03%+4,071+18.2%Added
Captrust Financial Advisors27,093$4.74M0.01%−171−0.6%Reduced
Vident Advisory, LLC27,884$4.88M0.05%−1,955−6.6%Reduced
Circumference Group LLC28,000$4.90M5.75%+4,000+16.7%Added
DekaBank Deutsche Girozentrale30,885$4.98M0.01%00.0%Unchanged
Two Sigma Investments, LP28,961$5.07M0.01%−103,664−78.2%Reduced
Moore Capital Management, LP29,074$5.09M0.10%−8,751−23.1%Reduced
LPL Financial LLC29,164$5.10M0.00%+5,063+21.0%Added
National Philanthropic Trust29,225$5.11M0.06%00.0%Unchanged
Daiwa Securities Group Inc.29,976$5.25M0.02%+1,831+6.5%Added
Ninety One SA (PTY) Ltd32,608$5.45M0.25%00.0%Unchanged
Bank of New York Mellon Corp31,399$5.49M0.00%+2,352+8.1%Added
Stifel Financial Corp32,560$5.70M0.01%+4,506+16.1%Added
LVM Capital Management Ltd32,989$5.77M0.55%−7,614−18.8%Reduced
Keystone Investors Pte Ltd33,526$5.87M0.68%+33,526New
Trillium Asset Management, LLC35,706$6.25M0.17%−67−0.2%Reduced
First National Bank of Omaha35,814$6.27M0.40%−409−1.1%Reduced
Truist Financial Corp36,442$6.38M0.01%−1,014−2.7%Reduced
Gateway Investment Advisers LLC37,650$6.59M0.06%−3,506−8.5%Reduced
Armor Advisors, L.L.C.38,934$6.81M6.46%+4,592+13.4%Added
Edmond de Rothschild Holding S.A.45,743$8.01M0.12%+441+1.0%Added
Charles Schwab Investment Management Inc45,807$8.02M0.00%+9,837+27.3%Added
Liontrust Investment Partners LLP46,801$8.19M0.12%−10,660−18.6%Reduced
Strategic Global Advisors, LLC47,565$8.32M1.26%−960−2.0%Reduced
Grandeur Peak Global Advisors, LLC47,711$8.35M1.12%−102,821−68.3%Reduced
Swedbank AB48,100$8.42M0.01%+6,300+15.1%Added
ExodusPoint Capital Management, LP48,111$8.42M0.12%−245,232−83.6%Reduced
Financiere des Professionnels - Fonds d,investissement inc.48,291$8.45M0.49%−1,921−3.8%Reduced
Colony Group, LLC48,666$8.51M0.01%−30−0.1%Reduced
Hyperion Capital Advisors LP49,264$8.62M4.61%+790+1.6%Added
AXA Investment Managers S.A.51,461$9.01M0.02%+51,461New
Osborne Partners Capital Management, LLC51,590$9.03M0.46%+1,342+2.7%Added
CI Private Wealth, LLC52,309$9.15M0.01%−12,583−19.4%Reduced
Marks Group Wealth Management, Inc52,744$9.23M0.86%−3,094−5.5%Reduced
Firetrail Investments Pty Ltd53,265$9.25M2.32%−188−0.4%Reduced
Twinbeech Capital LP54,007$9.45M0.37%+54,007New
Kornitzer Capital Management Inc54,137$9.47M0.19%−35,000−39.3%Reduced
Eversept Partners, LP55,025$9.63M0.74%−9,562−14.8%Reduced
Thornburg Investment Management Inc57,201$10.0M0.13%−17,435−23.4%Reduced
Motley Fool Wealth Management, LLC57,949$10.1M0.69%−8,558−12.9%Reduced
Foyston, Gordon, & Payne Inc58,976$10.3M2.26%−643−1.1%Reduced
Eldred Rock Partners, LLC59,017$10.3M2.58%+6,390+12.1%Added
Kelly Lawrence W & Associates Inc60,256$10.5M2.56%+60,256New
T. Rowe Price Investment Management, Inc.60,669$10.6M0.01%+23,340+62.5%Added
Loomis Sayles & Co L P64,711$11.3M0.01%−1,486−2.2%Reduced