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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, 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
Virtus Family Office LLC2,354$411.9K0.39%+2,354New
Mutual Advisors, LLC2,350$423.0K0.01%−348−12.9%Reduced
Umb Bank N A2,418$423.1K0.01%+272+12.7%Added
Optimize Financial Inc2,429$425.1K0.22%+2,429New
Cerity Partners LLC2,431$425.3K0.00%−75−3.0%Reduced
HBK Sorce Advisory LLC2,296$431.3K0.01%−533−18.8%Reduced
Legacy Wealth Asset Management, LLC2,477$433.5K0.11%+46+1.9%Added
RSM US Wealth Management LLC2,559$447.8K0.01%−186−6.8%Reduced
JustInvest LLC2,571$450.1K0.00%+845+49.0%Added
FineMark National Bank & Trust2,615$457.6K0.01%−46,639−94.7%Reduced
Point72 Asia (Singapore) Pte. Ltd.2,657$465.0K0.07%+2,657New
Vinva Investment Management Ltd1,900$472.2K0.01%+1,900New
Capital International Inc2,813$492.3K0.00%+2,813New
Rhumbline Advisers2,848$498.4K0.00%+2,464+641.7%Added
Pinnacle Associates Ltd2,849$498.6K0.01%+578+25.5%Added
O'Shaughnessy Asset Management, LLC2,858$500.1K0.00%+46+1.6%Added
Marietta Investment Partners LLC2,877$503.5K0.10%−14−0.5%Reduced
Cullen Investment Group, Ltd.2,681$519.8K0.07%−205−7.1%Reduced
Brave Warrior Advisors, LLC3,000$525.0K0.01%−2,000−40.0%Reduced
Portland Investment Counsel Inc.3,000$525.0K0.14%00.0%Unchanged
Mariner, LLC3,041$532.2K0.00%+491+19.3%Added
Benjamin Edwards Inc3,076$538.3K0.01%+1,247+68.2%Added
Assetmark, Inc3,134$548.5K0.00%+2,707+634.0%Added
Sumitomo Mitsui Trust Holdings, Inc.3,155$552.1K0.00%−22,687−87.8%Reduced
Davenport & Co LLC3,194$559.0K0.00%+420+15.1%Added
Militia Capital Partners, LP3,200$560.0K0.26%−2,800−46.7%Reduced
Annandale Capital, LLC3,300$577.5K0.10%00.0%Unchanged
Sara-Bay Financial3,347$585.7K0.16%−77−2.2%Reduced
Gibbs Wealth Management3,398$594.6K0.13%−276−7.5%Reduced
Jump Financial, LLC3,520$616.0K0.01%−165,133−97.9%Reduced
Trust Point Inc.3,532$618.1K0.05%+470+15.3%Added
Net Worth Advisory Group3,563$623.7K0.18%+1,581+79.8%Added
Annis Gardner Whiting Capital Advisors, LLC3,605$630.9K0.13%+3,584+17,066.7%Added
NewEdge Wealth, LLC3,907$639.6K0.01%+864+28.4%Added
Rockefeller Capital Management L.P.3,714$650.2K0.00%+3,714New
Standard Life Aberdeen plc3,738$654.1K0.00%−55,473−93.7%Reduced
BancorpSouth Bank3,739$654.3K0.04%−6−0.2%Reduced
Rathbone Brothers plc3,780$661.5K0.00%00.0%Unchanged
Motco3,806$666.0K0.06%+161+4.4%Added
Papp L Roy & Associates3,820$668.5K0.08%−818−17.6%Reduced
Federated Hermes, Inc.3,840$672.0K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co3,903$683.0K0.00%−73−1.8%Reduced
Toroso Investments, LLC3,919$685.8K0.00%+103+2.7%Added
Malaga Cove Capital, LLC4,070$712.3K0.26%+2,105+107.1%Added
Nwam LLC3,812$718.4K0.04%00.0%Unchanged
Transatlantique Private Wealth LLC4,114$720.0K0.24%+212+5.4%Added
Cambridge Investment Research Advisors, Inc.4,198$735.0K0.00%+2,335+125.3%Added
Capital International Ltd4,371$764.9K0.03%+4,371New
Advisor Group Holdings, Inc.4,459$777.1K0.00%−382−7.9%Reduced
Kayne Anderson Rudnick Investment Management LLC4,493$786.3K0.00%−1,271−22.1%Reduced
MidWestOne Financial Group, Inc.4,509$789.1K0.10%−14−0.3%Reduced
Federation des caisses Desjardins du Quebec4,509$789.1K0.00%+29+0.6%Added
Cypress Advisory Group LLC4,540$794.5K0.59%+110+2.5%Added
Dynamic Technology Lab Private Ltd4,553$797.0K0.13%+4,553New
Commonwealth Equity Services, LLC4,601$805.0K0.00%+1,416+44.5%Added
Creative Planning4,652$814.1K0.00%−26−0.6%Reduced
Confluence Investment Management LLC4,689$820.6K0.01%+557+13.5%Added
Two Sigma Securities, LLC4,797$839.5K0.12%−2,475−34.0%Reduced
Quantitative Investment Management, LLC4,808$841.0K0.12%+4,808New
Sanctuary Advisors, LLC4,876$853.3K0.00%+635+15.0%Added
Resources Investment Advisors, LLC.4,884$854.7K0.01%+16+0.3%Added
Tealwood Asset Management Inc5,063$886.0K0.36%−108−2.1%Reduced
Redmond Asset Management, LLC5,149$901.1K0.22%−63−1.2%Reduced
Legacy Capital Wealth Partners, LLC5,194$909.0K0.20%+1,367+35.7%Added
Bangor Savings Bank5,218$913.1K0.08%−11−0.2%Reduced
Brighton Jones LLC5,250$918.8K0.02%−34−0.6%Reduced
Quantessence Capital LLC5,261$920.7K0.29%+5,261New
Kestra Advisory Services, LLC5,302$927.8K0.00%+2,033+62.2%Added
Nicholas Hoffman & Company, LLC.5,507$963.7K0.02%+1,077+24.3%Added
Robeco Schweiz AG5,582$976.9K0.02%−775−12.2%Reduced
Squarepoint Ops LLC5,689$995.6K0.00%+3,345+142.7%Added
Oddo BHF Asset Management SAS5,701$997.7K0.04%−205−3.5%Reduced
Ossiam5,840$1.02M0.01%+1,909+48.6%Added
Tributary Capital Management, LLC5,876$1.03M0.09%−495−7.8%Reduced
Washington Trust Advisors, Inc.6,062$1.06M0.08%00.0%Unchanged
HighTower Advisors, LLC6,102$1.07M0.00%−2,931−32.4%Reduced
SkyView Investment Advisors, LLC6,403$1.12M0.14%+82+1.3%Added
NEOS Investment Management LLC6,429$1.13M0.01%+2,470+62.4%Added
Tema ETFs LLC6,429$1.13M0.09%+2,470+62.4%Added
Stephens Inc6,436$1.13M0.01%−147−2.2%Reduced
Atria Investments LLC6,525$1.14M0.01%+525+8.8%Added
Handelsbanken Fonder AB6,563$1.15M0.00%−9,064−58.0%Reduced
Skylands Capital, LLC6,700$1.17M0.16%−3,150−32.0%Reduced
CM Management, LLC7,000$1.23M1.02%+7,000New
Raiffeisen Bank International AG7,500$1.23M0.02%00.0%Unchanged
EFG Asset Management (Americas) Corp.7,075$1.24M0.21%+7,075New
Verdence Capital Advisors LLC6,839$1.24M0.07%+643+10.4%Added
Diversified Trust Co7,250$1.27M0.03%+4,191+137.0%Added
Highland Capital Management, LLC7,468$1.31M0.07%+400+5.7%Added
Westover Capital Advisors, LLC7,540$1.32M0.24%−114−1.5%Reduced
First National Advisers, LLC7,600$1.33M0.18%+662+9.5%Added
Y-Intercept (Hong Kong) Ltd7,668$1.34M0.03%+7,668New
Oppenheimer Asset Management Inc.7,901$1.38M0.02%−251−3.1%Reduced
Magnetar Financial LLC7,903$1.38M0.01%+3,274+70.7%Added
Centiva Capital, LP8,047$1.41M0.13%+8,047New
SG Americas Securities, LLC8,222$1.44M0.01%−7,740−48.5%Reduced
Maridea Wealth Management LLC7,813$1.47M0.23%+7,813New
Capital International Sarl8,492$1.49M0.03%+8,492New
Utah Retirement Systems8,677$1.52M0.01%−510−5.6%Reduced
Mitchell Capital Management Co9,297$1.63M0.28%+9,297New