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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 2021

Institutional positions in Icon PLC as of Sep 30, 2021. 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
510
+68 vs. Q2 2021
Shares held
73.5M
+14.0M (+23.4%) vs. Q2 2021
Total value
$19.3B
+$6.94B (+56.4%) vs. Q2 2021
New holders
122
209 more added
Sold out
54
113 more reduced

7 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 510 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 2021: $19.3B
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 2021

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q2 2021.

Institutions holding ICLR in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Cullen/Frost Bankers, Inc.596$156.0K0.00%−218−26.8%Reduced
Geneos Wealth Management Inc.607$159.0K0.01%+60+11.0%Added
Harbour Investments, Inc.630$165.0K0.01%−27−4.1%Reduced
Stephenson National Bank & Trust638$167.0K0.11%+89+16.2%Added
Spire Wealth Management716$188.0K0.00%00.0%Unchanged
Ellevest, Inc.720$189.0K0.02%+574+393.2%Added
Martin Investment Management, LLC787$206.0K0.05%+787New
Bernardo Wealth Planning LLC805$210.0K0.12%+805New
KB Financial Partners, LLC804$211.0K0.08%+141+21.3%Added
First Horizon Advisors, Inc.817$214.0K0.01%+727+807.8%Added
Mid Atlantic Financial Management Inc816$214.0K0.01%+816New
Veritable, L.P.820$215.0K0.00%+820New
First National Bank of Hutchinson853$224.0K0.13%+853New
Windsor Group LTD854$224.0K0.05%+854New
Investment House LLC865$227.0K0.02%+865New
Parsons Capital Management Inc870$228.0K0.02%+870New
Alta Capital Management LLC873$229.0K0.01%+873New
Leuthold Group, LLC881$231.0K0.03%+881New
CWA Asset Management Group, LLC905$237.0K0.02%+905New
Hilltop Holdings Inc.919$241.0K0.03%+919New
Bokf, NA925$242.0K0.00%+925New
Regal Investment Advisors LLC930$244.0K0.02%−348−27.2%Reduced
IFP Advisors, Inc942$245.0K0.00%+651+223.7%Added
Carroll Financial Associates, Inc.950$248.0K0.01%+580+156.8%Added
Blue Barn Wealth, LLC945$248.0K0.22%+945New
Arabesque Asset Management Ltd969$254.0K0.09%−10,263−91.4%Reduced
Csenge Advisory Group983$258.0K0.02%−322−24.7%Reduced
Cetera Investment Advisers993$260.0K0.00%−159−13.8%Reduced
D.A. Davidson & Co.994$260.0K0.00%−44−4.2%Reduced
Beacon Pointe Advisors, LLC998$261.0K0.01%+998New
Pinnacle Wealth Management Advisory Group, LLC1,000$262.0K0.06%00.0%Unchanged
Bremer Bank National Association1,001$262.0K0.05%+1,001New
TT International Asset Management LTD1,000$262.0K0.01%+1,000New
McElhenny Sheffield Capital Management, LLC1,000$262.0K0.12%+1,000New
National Asset Management, Inc.1,041$265.0K0.01%+1,041New
Amica Retiree Medical Trust1,026$269.0K0.24%−451−30.5%Reduced
Engineers Gate Manager LP1,029$270.0K0.02%−7,377−87.8%Reduced
JustInvest LLC1,035$271.0K0.02%+1,035New
Davenport & Co LLC1,060$278.0K0.00%+1,060New
Associated Banc-Corp1,072$281.0K0.01%00.0%Unchanged
Holderness Investments Co1,075$282.0K0.09%00.0%Unchanged
Park National Corp1,097$287.0K0.01%+1,097New
Orion Portfolio Solutions, LLC1,096$287.0K0.01%+1,096New
Resonant Capital Advisors, LLC1,109$291.0K0.05%+1,109New
Williams Jones Wealth Management, LLC.1,113$292.0K0.00%00.0%Unchanged
Fifth Third Bancorp1,117$293.0K0.00%−1,956−63.7%Reduced
Pinnacle Associates Ltd1,125$295.0K0.01%00.0%Unchanged
Loews Corp1,134$297.0K0.00%+1,134New
Sara-Bay Financial1,136$298.0K0.12%+1,136New
Penobscot Investment Management Company, Inc.1,150$301.0K0.04%00.0%Unchanged
Hancock Whitney Corp1,158$303.0K0.01%−161−12.2%Reduced
Treasurer of the State of North Carolina1,163$305.0K0.00%+1,163New
Northwestern Mutual Wealth Management Co1,185$311.0K0.00%+50+4.4%Added
Nwam LLC1,200$314.0K0.03%+1,200New
Pinnacle Wealth Planning Services, Inc.1,216$319.0K0.07%+210+20.9%Added
Asset Management One Co.,Ltd.1,200$321.0K0.00%+300+33.3%Added
Veriti Management LLC1,260$330.0K0.05%+1,260New
Avantax Advisory Services, Inc.1,288$337.0K0.01%00.0%Unchanged
LVZ Advisors, Inc.1,290$338.0K0.05%+38+3.0%Added
Walleye Capital LLC1,301$341.0K0.01%−849−39.5%Reduced
Kendall Capital Management1,338$351.0K0.19%+1,338New
Winton Group Ltd1,352$354.0K0.02%+1,352New
Johnson Financial Group, Inc.1,363$357.0K0.02%+93+7.3%Added
Coldstream Capital Management Inc1,882$360.0K0.02%+462+32.5%Added
Commerce Bank1,378$361.0K0.00%+117+9.3%Added
Steward Partners Investment Advisory, LLC1,402$367.0K0.01%+493+54.2%Added
Virtu Financial LLC1,467$384.0K0.03%+1,467New
Dynamic Advisor Solutions LLC1,475$386.0K0.03%+1,475New
Trillium Asset Management, LLC1,505$394.0K0.01%00.0%Unchanged
Parallel Advisors, LLC1,505$394.0K0.02%+575+61.8%Added
Silphium Asset Management Ltd1,553$406.9K0.16%+1,553New
Altium Wealth Management LLC1,596$418.0K0.03%+8+0.5%Added
Marshall Wace, LLP1,603$420.0K0.00%−55,822−97.2%Reduced
Kingsview Wealth Management, LLC1,602$420.0K0.02%+324+25.4%Added
Galvin, Gaustad & Stein, LLC1,609$422.0K0.04%−1,677−51.0%Reduced
Sawtooth Solutions, LLC1,621$425.0K0.07%+1,621New
Advisor Partners LLC1,628$427.0K0.03%+92+6.0%Added
Y-Intercept (Hong Kong) Ltd1,636$429.0K0.08%−3,558−68.5%Reduced
Sigma Planning Corp1,638$429.0K0.01%−17−1.0%Reduced
Fulton Bank, N.A.1,656$433.0K0.02%+1,656New
Ethic Inc.1,784$467.0K0.05%+1,784New
Synovus Financial Corp1,787$469.0K0.00%+1,787New
Financial Counselors Inc1,846$484.0K0.01%−889−32.5%Reduced
Groesbeck Investment Management Corp1,875$491.0K0.57%−850−31.2%Reduced
Dynamic Technology Lab Private Ltd1,884$494.0K0.06%−6,475−77.5%Reduced
Zeke Capital Advisors, LLC1,908$500.0K0.03%+184+10.7%Added
Fieldpoint Private Securities, LLC1,973$517.0K0.11%−77−3.8%Reduced
First Hawaiian Bank1,974$517.0K0.02%+593+42.9%Added
Tributary Capital Management, LLC1,991$522.0K0.04%−890−30.9%Reduced
Private Advisor Group, LLC1,991$522.0K0.00%+57+2.9%Added
Citadel Advisors LLC2,050$537.0K0.00%−822,789−99.8%Reduced
Prelude Capital Management, LLC2,100$550.0K0.03%+2,100New
First Mercantile Trust Co2,130$558.0K0.07%+765+56.0%Added
Wealth Alliance2,151$564.0K0.13%+291+15.6%Added
Clifford Swan Investment Counsel LLC1,960$566.0K0.02%00.0%Unchanged
Covenant Partners, LLC2,159$566.0K0.22%00.0%Unchanged
SG Americas Securities, LLC2,160$566.0K0.00%+1,008+87.5%Added
Price T Rowe Associates Inc2,181$571.0K0.00%+2,181New
Somerset Trust Co2,196$575.0K0.23%−41−1.8%Reduced
Archer Investment Corp2,200$576.4K0.22%00.0%Unchanged