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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, Q1 2024

Institutional positions in Icon PLC as of Mar 31, 2024. 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
648
+49 vs. Q4 2023
Shares held
78.0M
−1.07M (−1.4%) vs. Q4 2023
Total value
$26.1B
+$4.10B (+18.6%) vs. Q4 2023
New holders
98
218 more added
Sold out
49
234 more reduced

4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 648 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 heldQ1 2024: $26.1B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q4 2023.

Institutions holding ICLR in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Harbour Investments, Inc.217$72.9K0.00%−14−6.1%Reduced
Asset Management One Co.,Ltd.220$73.9K0.00%00.0%Unchanged
Quadrant Capital Group LLC220$73.9K0.01%+8+3.8%Added
Financial Management Professionals, Inc.239$80.0K0.01%00.0%Unchanged
EverSource Wealth Advisors, LLC283$84.3K0.01%+42+17.4%Added
Covestor Ltd257$87.0K0.06%−208−44.7%Reduced
Bokf, NA273$90.6K0.00%+54+24.7%Added
Umb Bank N A271$91.0K0.00%+271New
Nomura Asset Management Co Ltd281$94.4K0.00%00.0%Unchanged
Alta Advisers Ltd300$100.8K0.05%00.0%Unchanged
Mather Group, LLC.360$101.9K0.00%+360New
Proequities, Inc.320$107.5K0.01%−58−15.3%Reduced
Farther Finance Advisors, LLC363$120.4K0.01%+22+6.5%Added
Hollencrest Capital Management363$122.0K0.01%00.0%Unchanged
South State Corp.367$123.3K0.01%+367New
Ramirez Asset Management, Inc.375$126.0K0.03%+375New
First Horizon Advisors, Inc.427$143.4K0.00%−42−9.0%Reduced
FRG Family Wealth Advisors LLC500$148.9K0.03%+500New
Capital Advisors, Ltd. LLC471$158.0K0.02%00.0%Unchanged
Allworth Financial LP512$172.0K0.00%+208+68.4%Added
Spire Wealth Management532$178.7K0.00%−100−15.8%Reduced
Geneos Wealth Management Inc.549$184.4K0.01%+6+1.1%Added
Opal Wealth Advisors, LLC600$201.6K0.07%+600New
Key Financial Inc603$202.6K0.05%00.0%Unchanged
Sequoia Financial Advisors, LLC608$204.3K0.00%+608New
Veriti Management LLC610$204.9K0.02%+610New
Rehmann Capital Advisory Group618$207.6K0.02%+618New
Nebula Research & Development LLC622$209.0K0.05%−2,439−79.7%Reduced
Trinity Financial Advisors LLC627$210.6K0.09%+627New
Csenge Advisory Group633$212.7K0.01%+633New
Journey Strategic Wealth LLC637$214.0K0.01%+637New
NBC Securities, Inc.618$217.0K0.02%−108−14.9%Reduced
Bridgefront Capital, LLC648$217.7K0.17%+648New
Naples Global Advisors, LLC649$218.0K0.02%+649New
First American Bank654$219.7K0.02%+654New
Dorsey & Whitney Trust CO LLC659$221.4K0.02%−173−20.8%Reduced
Grove Bank & Trust659$221.4K0.04%−53−7.4%Reduced
One Wealth Advisors, LLC663$222.7K0.04%+663New
We Are One Seven, LLC669$224.8K0.01%−167−20.0%Reduced
Kovitz Investment Group Partners, LLC672$225.8K0.00%+672New
Financial Counselors Inc673$226.1K0.00%+673New
QSV Equity Investors LLC678$227.8K0.22%+678New
Credential Qtrade Securities Inc.682$229.1K0.01%−53−7.2%Reduced
QRG Capital Management, Inc.690$231.8K0.00%−49−6.6%Reduced
Goldstein Advisors, LLC692$232.5K0.04%−18−2.5%Reduced
Kendall Capital Management693$232.8K0.08%+693New
Kingsview Wealth Management, LLC695$233.5K0.01%−49−6.6%Reduced
Mutual Advisors, LLC697$234.2K0.01%+697New
Trajan Wealth LLC699$234.8K0.02%+699New
Norden Group LLC703$236.2K0.05%+703New
Cigna Investments Inc718$241.0K0.05%00.0%Unchanged
CWM, LLC724$243.0K0.00%−8−1.1%Reduced
Evernest Financial Advisors, LLC854$246.1K0.12%00.0%Unchanged
Arkadios Wealth Advisors734$246.6K0.02%+734New
Peapack Gladstone Financial Corp734$247.0K0.00%−80−9.8%Reduced
Martin Investment Management, LLC740$248.6K0.06%00.0%Unchanged
Sheaff Brock Investment Advisors, LLC740$248.6K0.02%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC740$248.6K0.01%+692+1,441.7%Added
IFP Advisors, Inc749$251.6K0.01%+1+0.1%Added
Pacer Advisors, Inc.750$252.0K0.00%−24−3.1%Reduced
Forza Wealth Management, LLC751$252.3K0.13%00.0%Unchanged
Aureus Asset Management, LLC757$254.3K0.02%00.0%Unchanged
Assetmark, Inc757$254.3K0.00%−204−21.2%Reduced
Global Retirement Partners, LLC760$255.3K0.01%+90+13.4%Added
Eagle Wealth Strategies LLC770$255.4K0.21%+4+0.5%Added
Associated Banc-Corp766$257.3K0.01%−253−24.8%Reduced
American International Group, Inc.774$260.0K0.00%−1−0.1%Reduced
Centiva Capital, LP779$261.7K0.01%−644−45.3%Reduced
Kolinsky Wealth Management, LLC782$262.7K0.20%−5−0.6%Reduced
Credit Suisse AG784$263.4K0.00%00.0%Unchanged
Petrus Trust Company, LTA787$264.4K0.02%+787New
Aspen Grove Capital, LLC789$265.1K0.07%+14+1.8%Added
Parsons Capital Management Inc799$268.4K0.02%−261−24.6%Reduced
Quantinno Capital Management LP803$270.0K0.01%−7−0.9%Reduced
Bernardo Wealth Planning LLC805$270.4K0.08%00.0%Unchanged
White Knight Strategic Wealth Advisors, LLC810$272.1K0.28%00.0%Unchanged
Crossmark Global Holdings, Inc.813$273.0K0.01%+101+14.2%Added
Investment House LLC855$287.2K0.02%00.0%Unchanged
Northwest & Ethical Investments L.P.860$288.9K0.01%+860New
Williams Jones Wealth Management, LLC.860$288.9K0.00%00.0%Unchanged
SG Americas Securities, LLC865$291.0K0.00%−4,712−84.5%Reduced
Holderness Investments Co875$294.0K0.07%00.0%Unchanged
GFS Advisors, LLC878$295.0K0.05%00.0%Unchanged
Fiduciary Trust Co890$299.0K0.00%+890New
AQR Capital Management LLC909$303.2K0.00%−226−19.9%Reduced
Signaturefd, LLC905$304.0K0.01%+165+22.3%Added
Dana Investment Advisors, Inc.919$308.7K0.01%00.0%Unchanged
Sigma Planning Corp923$310.1K0.01%+923New
NorthRock Partners, LLC928$311.8K0.01%+22+2.4%Added
Machina Capital S.A.S.929$312.1K0.16%+929New
Steward Partners Investment Advisory, LLC940$315.8K0.00%+99+11.8%Added
Millennium Capital Advisors, LLC950$319.2K0.23%00.0%Unchanged
First National Advisers, LLC952$319.8K0.07%+952New
HSBC Holdings PLC964$323.9K0.00%−3−0.3%Reduced
Resonant Capital Advisors, LLC964$323.9K0.03%+3+0.3%Added
Galvin, Gaustad & Stein, LLC972$326.5K0.03%−25−2.5%Reduced
UBS Oconnor LLC972$326.5K0.01%+972New
TD Waterhouse Canada Inc.1,006$327.2K0.00%−15−1.5%Reduced
Ellevest, Inc.978$328.6K0.02%−223−18.6%Reduced
CAPROCK Group, Inc.988$331.9K0.02%+988New