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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, Q4 2023

Institutional positions in Icon PLC as of Dec 31, 2023. 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
603
+57 vs. Q3 2023
Shares held
79.2M
−1.25M (−1.6%) vs. Q3 2023
Total value
$22.1B
+$2.36B (+12.0%) vs. Q3 2023
New holders
105
186 more added
Sold out
48
224 more reduced

10 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 603 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 heldQ4 2023: $22.1B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q3 2023.

Institutions holding ICLR in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Nomura Asset Management Co Ltd281$79.5K0.00%00.0%Unchanged
Alta Advisers Ltd300$84.9K0.05%00.0%Unchanged
Allworth Financial LP304$86.1K0.00%+31+11.4%Added
Farther Finance Advisors, LLC341$96.5K0.01%+212+164.3%Added
Hollencrest Capital Management363$102.8K0.01%00.0%Unchanged
Proequities, Inc.378$107.0K0.01%−140−27.0%Reduced
Walleye Trading LLC400$113.2K0.00%+400New
Centennial Bank445$126.0K0.08%−735−62.3%Reduced
Covestor Ltd465$132.0K0.09%−126−21.3%Reduced
First Horizon Advisors, Inc.469$132.8K0.00%+6+1.3%Added
Capital Advisors, Ltd. LLC471$133.0K0.02%00.0%Unchanged
Geneos Wealth Management Inc.543$153.7K0.01%−66−10.8%Reduced
Spire Wealth Management632$164.0K0.01%00.0%Unchanged
Global Retirement Partners, LLC670$168.1K0.01%+37+5.8%Added
Key Financial Inc603$170.7K0.05%−19−3.1%Reduced
Goldstein Advisors, LLC710$201.0K0.03%+710New
Crossmark Global Holdings, Inc.712$201.0K0.00%+712New
Grove Bank & Trust712$201.5K0.04%−18−2.5%Reduced
Cigna Investments Inc718$203.0K0.04%+718New
NBC Securities, Inc.726$205.0K0.02%+17+2.4%Added
Sciencast Management LP729$206.4K0.11%+729New
CWM, LLC732$207.0K0.00%+128+21.2%Added
Credential Qtrade Securities Inc.735$208.1K0.01%−137−15.7%Reduced
Cerity Partners LLC736$208.2K0.00%+736New
GeoWealth Management, LLC738$209.0K0.02%+738New
QRG Capital Management, Inc.739$209.2K0.00%+739New
Signaturefd, LLC740$209.5K0.00%+96+14.9%Added
Martin Investment Management, LLC740$209.5K0.06%+740New
Sheaff Brock Investment Advisors, LLC740$209.5K0.02%+740New
Kingsview Wealth Management, LLC744$210.6K0.01%+744New
IFP Advisors, Inc748$211.7K0.01%−438−36.9%Reduced
Forza Wealth Management, LLC751$212.6K0.12%+751New
Aureus Asset Management, LLC757$214.3K0.02%+757New
Tower Research Capital LLC (TRC)761$215.4K0.00%−618−44.8%Reduced
Eagle Wealth Strategies LLC766$216.8K0.13%+766New
Pacer Advisors, Inc.774$219.1K0.00%−10−1.3%Reduced
American International Group, Inc.775$219.4K0.00%−21−2.6%Reduced
Aspen Grove Capital, LLC775$219.4K0.07%+775New
Credit Suisse AG784$221.9K0.00%−295−27.3%Reduced
Susquehanna International Group, LLP785$222.2K0.00%−212−21.3%Reduced
Kolinsky Wealth Management, LLC787$222.8K0.20%+787New
Entropy Technologies, LP792$224.2K0.04%+792New
Bernardo Wealth Planning LLC805$227.9K0.07%+805New
Americana Partners, LLC805$227.9K0.02%+805New
CIBC World Markets Inc.807$228.0K0.00%−891−52.5%Reduced
Quantinno Capital Management LP810$229.0K0.01%+810New
White Knight Strategic Wealth Advisors, LLC810$229.3K0.26%+810New
Peapack Gladstone Financial Corp814$230.0K0.00%−71−8.0%Reduced
Ieq Capital, LLC813$230.1K0.00%−107−11.6%Reduced
Steel Peak Wealth Management LLC825$233.5K0.01%−264−24.2%Reduced
Legacy Capital Wealth Partners, LLC831$235.2K0.07%+831New
Dorsey & Whitney Trust CO LLC832$235.5K0.02%−264−24.1%Reduced
We Are One Seven, LLC836$236.6K0.01%+836New
Steward Partners Investment Advisory, LLC841$238.1K0.00%−12−1.4%Reduced
Evernest Financial Advisors, LLC854$241.7K0.12%+854New
Investment House LLC855$242.0K0.02%00.0%Unchanged
Williams Jones Wealth Management, LLC.860$243.4K0.00%00.0%Unchanged
Holderness Investments Co875$247.7K0.07%00.0%Unchanged
GFS Advisors, LLC878$249.0K0.04%00.0%Unchanged
Checchi Capital Advisers, LLC895$253.3K0.02%00.0%Unchanged
NorthRock Partners, LLC906$256.5K0.01%+906New
Dana Investment Advisors, Inc.919$260.1K0.01%−16−1.7%Reduced
Millennium Capital Advisors, LLC950$268.9K0.21%00.0%Unchanged
Resonant Capital Advisors, LLC961$272.0K0.03%−82−7.9%Reduced
Assetmark, Inc961$272.0K0.00%+304+46.3%Added
HSBC Holdings PLC967$273.7K0.00%+61+6.7%Added
TD Waterhouse Canada Inc.1,021$276.3K0.00%−131−11.4%Reduced
Catalytic Wealth RIA, LLC986$279.1K0.13%+986New
Galvin, Gaustad & Stein, LLC997$282.2K0.03%−10−1.0%Reduced
Altfest L J & Co Inc1,000$283.0K0.04%−233−18.9%Reduced
Schonfeld Strategic Advisors LLC1,000$283.1K0.00%−17,200−94.5%Reduced
Bradley Foster & Sargent Inc1,000$283.1K0.01%−23−2.2%Reduced
McElhenny Sheffield Capital Management, LLC1,000$283.1K0.12%00.0%Unchanged
Benjamin F. Edwards & Company, Inc.1,009$286.0K0.01%+950+1,610.2%Added
Associated Banc-Corp1,019$288.4K0.01%−39−3.7%Reduced
DFPG Investments, LLC1,093$293.7K0.02%−202−15.6%Reduced
Pinnacle Wealth Management Advisory Group, LLC1,059$299.8K0.04%00.0%Unchanged
Parsons Capital Management Inc1,060$300.1K0.02%00.0%Unchanged
Mission Wealth Management, LP1,063$300.9K0.01%00.0%Unchanged
First National Bank of Hutchinson1,074$304.0K0.22%−349−24.5%Reduced
Cubist Systematic Strategies, LLC1,087$307.7K0.00%+974+861.9%Added
Simplex Trading, LLC1,092$309.0K0.01%+493+82.3%Added
AQR Capital Management LLC1,135$321.3K0.00%+131+13.0%Added
SRS Capital Advisors, Inc.1,153$326.4K0.04%+430+59.5%Added
Schroder Investment Management Group1,160$328.4K0.00%00.0%Unchanged
Penobscot Investment Management Company, Inc.1,164$329.5K0.04%+14+1.2%Added
Apollon Wealth Management, LLC1,184$335.2K0.01%+1,184New
Great Lakes Retirement, Inc.1,187$336.0K0.06%−80−6.3%Reduced
Ellevest, Inc.1,201$340.0K0.02%+1,201New
Kestra Private Wealth Services, LLC1,213$343.4K0.01%+1,213New
TT International Asset Management LTD1,218$344.0K0.04%+13+1.1%Added
Hancock Whitney Corp1,225$346.8K0.01%+24+2.0%Added
Great Lakes Advisors, LLC1,226$347.0K0.00%+179+17.1%Added
Huntington National Bank1,233$349.0K0.00%−185−13.0%Reduced
Concurrent Investment Advisors, LLC1,246$352.7K0.02%+1,246New
Atria Wealth Solutions, Inc.1,256$355.5K0.00%+98+8.5%Added
Fox Run Management, L.L.C.1,265$358.1K0.09%−1,496−54.2%Reduced
Monticello Wealth Management, LLC1,297$367.1K0.03%00.0%Unchanged
Park National Corp1,298$367.4K0.02%00.0%Unchanged
GWM Advisors LLC1,421$379.5K0.00%+9+0.6%Added