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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, Q2 2025

Institutional positions in Icon PLC as of Jun 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
489
−66 vs. Q1 2025
Shares held
77.0M
+1.43M (+1.9%) vs. Q1 2025
Total value
$11.2B
−$2.05B (−15.5%) vs. Q1 2025
New holders
70
156 more added
Sold out
136
206 more reduced

7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 489 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 heldQ2 2025: $11.2B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q1 2025.

Institutions holding ICLR in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
The PNC Financial Services Group, Inc.3,041$442.3K0.00%−11,370−78.9%Reduced
Diversified Trust Co3,059$444.9K0.01%+179+6.2%Added
Trust Point Inc.3,062$445.4K0.04%−681−18.2%Reduced
Aviva PLC3,078$447.7K0.00%00.0%Unchanged
London Co of Virginia3,122$454.1K0.00%+1,237+65.6%Added
Robeco Institutional Asset Management B.V.3,179$462.4K0.00%−719−18.4%Reduced
Commonwealth Equity Services, LLC3,185$463.0K0.00%−698−18.0%Reduced
Kestra Advisory Services, LLC3,269$475.5K0.00%−300−8.4%Reduced
Annandale Capital, LLC3,300$480.0K0.09%+3,300New
NewEdge Wealth, LLC3,043$480.3K0.01%+1,693+125.4%Added
Sara-Bay Financial3,424$498.0K0.18%−167−4.7%Reduced
Mutual Advisors, LLC2,698$504.6K0.01%+93+3.6%Added
Gibbs Wealth Management3,674$534.4K0.10%+859+30.5%Added
BancorpSouth Bank3,745$544.7K0.04%−47−1.2%Reduced
Rathbone Brothers plc3,780$549.8K0.00%−20−0.5%Reduced
Pitcairn Co3,795$552.0K0.04%+1,246+48.9%Added
Toroso Investments, LLC3,816$555.0K0.00%−302−7.3%Reduced
Legacy Capital Wealth Partners, LLC3,827$556.6K0.13%+2,296+150.0%Added
Federated Hermes, Inc.3,840$558.5K0.00%00.0%Unchanged
Transatlantique Private Wealth LLC3,902$567.5K0.21%−4−0.1%Reduced
Ossiam3,931$571.8K0.01%−1,369−25.8%Reduced
NEOS Investment Management LLC3,959$575.8K0.01%+3,959New
Tema ETFs LLC3,959$575.8K0.15%+3,959New
Northwestern Mutual Wealth Management Co3,976$578.3K0.00%+3,039+324.3%Added
Confluence Investment Management LLC4,132$601.0K0.01%+232+5.9%Added
Graham Capital Management, L.P.4,134$601.3K0.02%−3,632−46.8%Reduced
Motco3,645$616.7K0.06%−111−3.0%Reduced
Sanctuary Advisors, LLC4,241$616.9K0.00%−2,086−33.0%Reduced
Maverick Capital LtdSuperinvestorMaverick Capital4,301$625.6K0.01%00.0%Unchanged
Cypress Advisory Group LLC4,430$644.3K0.50%+590+15.4%Added
Nicholas Hoffman & Company, LLC.4,430$644.3K0.02%+4,430New
Nwam LLC3,812$645.0K0.04%+2+0.1%Added
Dynasty Wealth Management, LLC4,452$647.6K0.01%+688+18.3%Added
Jane Street Group, LLC4,456$648.1K0.00%−58,435−92.9%Reduced
Federation des caisses Desjardins du Quebec4,480$651.6K0.00%−9,536−68.0%Reduced
MidWestOne Financial Group, Inc.4,523$657.9K0.09%−2,070−31.4%Reduced
Magnetar Financial LLC4,629$673.3K0.00%−48,958−91.4%Reduced
Papp L Roy & Associates4,638$674.6K0.08%−3,338−41.9%Reduced
Creative Planning4,678$680.4K0.00%−387−7.6%Reduced
Resources Investment Advisors, LLC.4,868$708.1K0.01%−1,017−17.3%Reduced
Advisor Group Holdings, Inc.4,841$722.9K0.00%−4,445−47.9%Reduced
Brave Warrior Advisors, LLC5,000$727.3K0.02%00.0%Unchanged
Eqis Capital Management, Inc.5,065$736.6K0.06%+1,084+27.2%Added
Tealwood Asset Management Inc5,171$752.0K0.33%−89−1.7%Reduced
Redmond Asset Management, LLC5,212$758.1K0.18%+22+0.4%Added
Bangor Savings Bank5,229$760.6K0.07%−45−0.9%Reduced
Brighton Jones LLC5,284$768.6K0.02%+5,284New
Kayne Anderson Rudnick Investment Management LLC5,764$838.4K0.00%+5,758+95,966.7%Added
Oddo BHF Asset Management SAS5,906$859.0K0.03%−389,653−98.5%Reduced
Atria Investments LLC6,000$872.7K0.01%−6,216−50.9%Reduced
Militia Capital Partners, LP6,000$872.7K0.41%+6,000New
Washington Trust Advisors, Inc.6,062$881.8K0.07%+14+0.2%Added
Verdence Capital Advisors LLC6,196$901.2K0.06%−1,258−16.9%Reduced
SkyView Investment Advisors, LLC6,321$914.0K0.13%+113+1.8%Added
Robeco Schweiz AG6,357$924.6K0.02%−19,715−75.6%Reduced
Tributary Capital Management, LLC6,371$926.7K0.08%+1,092+20.7%Added
Thor Investment Management Inc6,374$927.1K0.63%−2,755−30.2%Reduced
Stephens Inc6,583$957.5K0.01%+1,232+23.0%Added
M&T Bank Corp6,922$1.01M0.00%−23,026−76.9%Reduced
First National Advisers, LLC6,938$1.01M0.15%+1,340+23.9%Added
Brant Point Investment Management LLC7,000$1.02M0.23%−7,000−50.0%Reduced
Highland Capital Management, LLC7,068$1.03M0.06%−130−1.8%Reduced
Two Sigma Securities, LLC7,272$1.06M0.13%+4,661+178.5%Added
Raiffeisen Bank International AG7,500$1.09M0.02%+500+7.1%Added
Westover Capital Advisors, LLC7,654$1.11M0.22%−517−6.3%Reduced
Pettee Investors, Inc.7,701$1.12M0.67%−1,400−15.4%Reduced
Oppenheimer Asset Management Inc.8,152$1.19M0.01%−9,690−54.3%Reduced
US Bancorp8,191$1.19M0.00%−20,844−71.8%Reduced
HighTower Advisors, LLC9,033$1.31M0.00%−10,946−54.8%Reduced
Mackenzie Financial Corp9,127$1.33M0.00%+5,833+177.1%Added
Utah Retirement Systems9,187$1.34M0.01%00.0%Unchanged
Aquatic Capital Management LLC9,380$1.36M0.03%−29,498−75.9%Reduced
Wiley Bros.-Aintree Capital, LLC8,810$1.40M0.01%+6,717+320.9%Added
Skylands Capital, LLC9,850$1.43M0.21%+9,850New
Arkadios Wealth Advisors10,182$1.48M0.04%+2,354+30.1%Added
Hollow Brook Wealth Management LLC10,508$1.53M0.45%+10,508New
Dark Forest Capital Management LP10,539$1.53M0.06%+10,539New
Quartz Partners, LLC10,603$1.54M0.71%+576+5.7%Added
Verition Fund Management LLC10,657$1.55M0.01%−937−8.1%Reduced
Engineers Gate Manager LP10,795$1.57M0.02%−37,774−77.8%Reduced
Henry James International Management, Inc.10,803$1.57M0.52%−37−0.3%Reduced
National Bank of Canada10,813$1.57M0.00%−19,908−64.8%Reduced
Cinctive Capital Management LP12,138$1.77M0.10%+12,138New
Live Oak Private Wealth LLC12,640$1.84M0.27%+3,277+35.0%Added
Kennedy Capital Management, Inc.13,679$1.99M0.05%−10,424−43.2%Reduced
Cetera Investment Advisers13,969$2.03M0.00%−7,077−33.6%Reduced
Taikang Asset Management (Hong Kong) Co Ltd14,202$2.07M0.27%+14,202New
Exencial Wealth Advisors, LLC14,656$2.13M0.08%+276+1.9%Added
CWM Advisors, LLC14,691$2.14M0.23%+4,362+42.2%Added
Handelsbanken Fonder AB15,627$2.27M0.01%−10,278−39.7%Reduced
SG Americas Securities, LLC15,962$2.32M0.01%+1,743+12.3%Added
Buckhead Capital Management LLC16,219$2.36M0.91%+9,027+125.5%Added
Sendero Wealth Management, LLC16,601$2.41M0.30%+16,601New
Greenhaven Associates IncSuperinvestorGreenhaven Associates17,633$2.56M0.04%+17,633New
TT International Asset Management LTD157,996$2.60M0.52%+125,796+390.7%Added
Pathstone Holdings, LLC17,534$2.61M0.01%−14,275−44.9%Reduced
Citigroup Inc18,130$2.64M0.00%−62,668−77.6%Reduced
Welch & Forbes LLC18,740$2.73M0.03%−540−2.8%Reduced
Walleye Trading LLC18,873$2.75M0.07%+18,206+2,729.5%Added
Royal London Asset Management Ltd20,488$2.98M0.01%−14,746−41.9%Reduced