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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 2026

Institutional positions in Icon PLC as of Jun 30, 2026. 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
423
+7 vs. Q1 2026
Shares held
80.3M
+2.20M (+2.8%) vs. Q1 2026
Total value
$13.9B
+$5.13B (+58.7%) vs. Q1 2026
New holders
87
147 more added
Sold out
80
138 more reduced

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 423 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 2026: $13.9B
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 2026

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q1 2026.

Institutions holding ICLR in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Spire Wealth Management613$106.5K0.00%−100−14.0%Reduced
Parkside Financial Bank & Trust616$107.0K0.01%+336+120.0%Added
Nomura Asset Management Co Ltd620$107.7K0.00%−1,020−62.2%Reduced
Quantbot Technologies LP623$108.2K0.00%+623New
Global Retirement Partners, LLC817$141.9K0.00%+817New
Bruce G. Allen Investments, LLC829$144.0K0.09%−210−20.2%Reduced
Grove Bank & Trust866$150.4K0.01%+200+30.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)879$152.7K0.00%+264+42.9%Added
Group One Trading, L.P.893$155.1K0.00%−662−42.6%Reduced
Ronald Blue Trust, Inc.1,132$196.6K0.00%+474+72.0%Added
HSBC Holdings PLC1,167$201.6K0.00%+1,167New
Steward Partners Investment Advisory, LLC1,187$206.2K0.00%−236−16.6%Reduced
Pettee Investors, Inc.1,200$208.5K0.10%+1,200New
Northwestern Mutual Wealth Management Co1,201$208.6K0.00%−2,702−69.2%Reduced
Hardy Reed LLC1,212$210.5K0.01%+1,212New
Magnetar Financial LLC1,221$212.1K0.00%+1,221New
Frank, Rimerman Advisors LLC1,223$212.4K0.01%+1,223New
Bessemer Group Inc1,235$214.0K0.00%−77−5.9%Reduced
Jones Financial Companies LLLP1,316$223.5K0.00%+174+15.2%Added
Groupe la Francaise1,300$226.0K0.00%00.0%Unchanged
Brinker Capital Investments, LLC1,310$227.6K0.00%+1,310New
Westpac Banking Corp1,315$228.4K0.01%−232−15.0%Reduced
Mission Wealth Management, LP1,318$228.9K0.00%+1,318New
Virtus Family Office LLC1,340$232.8K0.18%−832−38.3%Reduced
Clifford Swan Investment Counsel LLC1,360$236.2K0.01%+1,360New
Indivisible Partners1,362$236.6K0.01%+1,362New
Tower Research Capital LLC (TRC)1,364$236.9K0.01%+986+260.8%Added
American Trust1,368$237.6K0.02%+1,368New
NBC Securities, Inc.1,378$239.4K0.02%−18−1.3%Reduced
AlphaCentric Advisors LLC1,390$241.5K0.20%+417+42.9%Added
Essex Financial Services, Inc.1,390$241.5K0.01%+1,390New
Trajan Wealth LLC1,424$247.4K0.01%+1,424New
Commerce Bank1,425$247.5K0.00%+1,425New
Persistent Asset Partners Ltd1,431$248.6K0.08%−1,982−58.1%Reduced
National Bank of Canada1,443$249.9K0.00%−1,144−44.2%Reduced
MAI Capital Management1,442$250.5K0.00%+87+6.4%Added
Allworth Financial LP1,453$252.4K0.00%−36−2.4%Reduced
Western Pacific Wealth Management, LP1,465$254.5K0.23%−1,380−48.5%Reduced
Marex Group plc1,474$256.0K0.00%+1,474New
Vestmark Advisory Solutions, Inc.1,490$258.8K0.00%+1,490New
Simplify Asset Management Inc.1,499$260.4K0.00%+1,499New
Eagle Harbor Asset Management Inc1,528$265.4K0.21%+1,528New
M&T Bank Corp1,542$268.3K0.00%+1,542New
GWM Advisors LLC1,562$271.3K0.00%−1,176−43.0%Reduced
White Knight Strategic Wealth Advisors, LLC1,592$276.5K0.19%+1,592New
Two Sigma Securities, LLC1,594$276.9K0.02%+1,594New
Quantinno Capital Management LP1,618$281.1K0.00%+1,618New
Umb Bank N A1,718$298.4K0.00%−57−3.2%Reduced
Winton Group Ltd1,800$312.7K0.01%−28,754−94.1%Reduced
Transamerica Financial Advisors, Inc.1,823$316.7K0.03%−512−21.9%Reduced
Henry James International Management, Inc.1,876$325.9K0.10%−2−0.1%Reduced
Guggenheim Capital LLC1,910$331.8K0.00%+1,910New
Avantax Planning Partners, Inc.1,992$346.0K0.01%+1,992New
Wealth Enhancement Advisory Services, LLC2,065$346.4K0.00%−168−7.5%Reduced
First Trust Advisors LP2,010$349.2K0.00%−750−27.2%Reduced
Trust Point Inc.2,028$352.3K0.03%−1,351−40.0%Reduced
Jain Global LLC2,100$364.8K0.00%+2,100New
Cullen Investment Group, Ltd.2,123$368.8K0.04%−50−2.3%Reduced
Baird Financial Group, Inc.2,166$376.3K0.00%+2,166New
Legacy Advisors, LLC2,200$382.2K0.04%00.0%Unchanged
SRS Capital Advisors, Inc.2,237$388.6K0.00%+1,977+760.4%Added
Pinnacle Associates Ltd2,240$389.1K0.00%−31−1.4%Reduced
Investment Insight Wealth Management, LLC2,247$390.3K0.34%−66−2.9%Reduced
Fayez Sarofim & Co2,270$394.3K0.00%00.0%Unchanged
Miller Global Investments, LLC2,292$398.1K0.33%−12−0.5%Reduced
Neuberger Berman Group LLC2,296$398.9K0.00%−1,607−41.2%Reduced
Axxion S.A.2,300$399.5K0.03%+2,300New
Net Worth Advisory Group2,389$414.9K0.10%−215−8.3%Reduced
Gabelli Funds LLC2,500$434.3K0.00%00.0%Unchanged
Texas Capital Bank Wealth Management Services Inc2,588$449.6K0.02%−262−9.2%Reduced
William Blair Investment Management, LLC2,589$449.7K0.00%+12+0.5%Added
CenterBook Partners LP2,630$456.9K0.02%−2,764−51.2%Reduced
Cypress Advisory Group LLC2,670$463.8K0.36%−2,000−42.8%Reduced
Advisor Group Holdings, Inc.2,707$470.6K0.00%+416+18.2%Added
American Capital Management Inc2,823$490.4K0.02%−447−13.7%Reduced
Legacy Wealth Asset Management, LLC2,921$507.4K0.11%+55+1.9%Added
O'Shaughnessy Asset Management, LLC2,968$515.6K0.00%+190+6.8%Added
Portland Investment Counsel Inc.3,000$521.1K0.15%00.0%Unchanged
MML Investors Services, LLC3,085$535.9K0.00%+1,273+70.3%Added
Merit Financial Group, LLC3,124$542.7K0.00%+443+16.5%Added
Sara-Bay Financial3,128$543.4K0.14%−131−4.0%Reduced
JustInvest LLC3,135$544.6K0.00%+1,216+63.4%Added
Mutual Advisors, LLC3,145$546.3K0.01%+515+19.6%Added
Clearstead Advisors, LLC3,196$555.2K0.01%+3,196New
JPMorgan Chase & Co3,215$556.2K0.00%−29,779−90.3%Reduced
Numerai GP LLC3,229$560.9K0.05%−7,967−71.2%Reduced
Advisortrust Partners, LLC3,230$561.1K0.19%−526−14.0%Reduced
Mariner, LLC3,230$561.1K0.00%+54+1.7%Added
First National Advisers, LLC3,239$562.6K0.08%−2,697−45.4%Reduced
Cerity Partners LLC3,257$565.7K0.00%−443−12.0%Reduced
RSM US Wealth Management LLC3,336$579.5K0.01%+10.0%Added
Rhumbline Advisers3,393$589.4K0.00%−161−4.5%Reduced
Engineers Gate Manager LP3,417$593.6K0.01%+3,417New
Dynamic Technology Lab Private Ltd3,480$605.0K0.14%+3,480New
Rathbone Brothers plc3,620$628.8K0.00%00.0%Unchanged
Malaga Cove Capital, LLC3,692$641.3K0.20%−1,852−33.4%Reduced
Allegheny Financial Group LTD3,716$645.5K0.07%+3,716New
New Wave Wealth Advisors LLC3,731$648.1K0.18%+531+16.6%Added
Kestra Advisory Services, LLC3,808$661.5K0.00%+54+1.4%Added
Nwam LLC3,824$664.3K0.03%+14+0.4%Added