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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 2023

Institutional positions in Icon PLC as of Sep 30, 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
556
+27 vs. Q2 2023
Shares held
80.6M
+1.25M (+1.6%) vs. Q2 2023
Total value
$19.7B
−$128.7M (−0.6%) vs. Q2 2023
New holders
66
185 more added
Sold out
39
207 more reduced

5 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 556 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 2023: $19.7B
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 2023

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q2 2023.

Institutions holding ICLR in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Prelude Capital Management, LLC1,714$422.1K0.04%+587+52.1%Added
Clifford Swan Investment Counsel LLC1,746$429.9K0.02%+1+0.1%Added
American Trust1,748$430.4K0.03%+228+15.0%Added
Emerald Advisers, LLC1,776$437.3K0.02%+1,776New
CIBC Asset Management Inc1,804$444.2K0.00%−72−3.8%Reduced
Advisor OS, LLC1,806$444.7K0.07%+426+30.9%Added
Cambridge Investment Research Advisors, Inc.1,820$448.0K0.00%−142−7.2%Reduced
D.A. Davidson & Co.1,849$455.3K0.00%+481+35.2%Added
WR Wealth Planners, LLC1,863$458.8K0.17%+89+5.0%Added
Eagle Harbor Asset Management Inc1,882$463.4K0.61%00.0%Unchanged
Groesbeck Investment Management Corp1,896$467.0K0.71%00.0%Unchanged
Guggenheim Capital LLC1,901$468.1K0.00%−256−11.9%Reduced
Financial Advocates Investment Management1,905$469.1K0.03%+457+31.6%Added
Buckingham Capital Management, Inc.1,954$481.2K0.07%+1,954New
Fulton Bank, N.A.1,976$486.6K0.02%−287−12.7%Reduced
National Asset Management, Inc.1,991$490.3K0.01%+681+52.0%Added
Commonwealth Equity Services, LLC2,027$499.0K0.00%−101−4.7%Reduced
UBS Oconnor LLC2,045$503.6K0.01%−4,100−66.7%Reduced
Integrated Wealth Concepts LLC2,110$519.6K0.01%−177−7.7%Reduced
MetLife Investment Management2,122$522.5K0.00%+2+0.1%Added
Somerset Trust Co2,132$525.0K0.24%−64−2.9%Reduced
Legacy Advisors, LLC2,156$530.9K0.09%−284−11.6%Reduced
Banque Cantonale Vaudoise2,170$534.0K0.03%−49−2.2%Reduced
Legacy Wealth Asset Management, LLC2,199$541.5K0.20%−695−24.0%Reduced
Archer Investment Corp2,200$541.8K0.19%00.0%Unchanged
Virtu Financial LLC2,224$547.0K0.05%+2,224New
Purus Wealth Management, LLC2,265$557.8K0.38%−4−0.2%Reduced
Zions Bancorporation, N.A.2,276$560.5K0.05%+498+28.0%Added
Pinnacle Associates Ltd2,289$563.7K0.01%−2−0.1%Reduced
Fifth Third Bancorp2,348$578.2K0.00%−124−5.0%Reduced
Beacon Pointe Advisors, LLC2,395$589.8K0.01%+1,407+142.4%Added
Pictet & Cie (Europe) SA2,417$595.2K0.02%−32−1.3%Reduced
Wrapmanager Inc2,425$597.2K0.19%−980−28.8%Reduced
Marietta Investment Partners LLC2,441$601.1K0.17%−18−0.7%Reduced
Yorktown Management & Research Co Inc2,450$603.3K0.68%00.0%Unchanged
Tiaa Trust, National Association2,455$604.5K0.00%+2,455New
Choate Investment Advisors2,475$609.5K0.02%+2,475New
Mercer Global Advisors Inc2,483$611.0K0.00%+1,030+70.9%Added
Whittier Trust Co2,544$626.5K0.01%+940+58.6%Added
KB Financial Partners, LLC2,559$630.0K0.18%−3−0.1%Reduced
Mackenzie Financial Corp2,621$630.1K0.00%+334+14.6%Added
Yousif Capital Management, LLC2,573$633.6K0.01%+95+3.8%Added
Chicago Partners Investment Group LLC2,849$634.8K0.03%−337−10.6%Reduced
Sara-Bay Financial2,603$641.0K0.33%+225+9.5%Added
SkyView Investment Advisors, LLC2,606$642.0K0.26%+101+4.0%Added
Cetera Advisors LLC2,626$646.7K0.01%+399+17.9%Added
Amica Retiree Medical Trust2,734$673.0K0.79%00.0%Unchanged
Fox Run Management, L.L.C.2,761$679.9K0.20%+2,761New
Tectonic Advisors LLC2,784$685.6K0.06%00.0%Unchanged
Hayek Kallen Investment Management2,820$694.0K0.31%−125−4.2%Reduced
International Assets Investment Management, LLC2,853$707.7K0.10%−185−6.1%Reduced
Perpetual Ltd2,883$709.9K0.01%−307−9.6%Reduced
Oak Thistle LLC2,889$711.4K0.21%+2,889New
Portside Wealth Group, LLC2,926$719.0K0.14%+62+2.2%Added
Tributary Capital Management, LLC2,920$719.0K0.07%+571+24.3%Added
Harbor Capital Advisors, Inc.2,927$720.8K0.16%−4,010−57.8%Reduced
Resources Investment Advisors, LLC.2,947$725.7K0.02%−19−0.6%Reduced
Ethic Inc.3,028$745.6K0.03%+3,028New
Virtus ETF Advisers LLC3,036$747.6K0.45%+3,036New
Aviva PLC3,069$755.7K0.00%−17−0.6%Reduced
Y-Intercept (Hong Kong) Ltd3,090$760.9K0.07%+3,090New
Private Advisor Group, LLC3,097$762.6K0.01%−229−6.9%Reduced
O'Shaughnessy Asset Management, LLC3,204$789.0K0.01%+2,245+234.1%Added
Ossiam3,216$791.9K0.01%+1,289+66.9%Added
Advisory Services Network, LLC3,238$797.4K0.02%+270+9.1%Added
Castleark Management LLC3,240$797.9K0.04%+470+17.0%Added
Allianz Asset Management GmbH3,255$801.5K0.00%−212−6.1%Reduced
Raymond James Trust N.A.3,294$811.2K0.02%−291−8.1%Reduced
Diamond Hill Capital Management Inc3,449$849.3K0.00%+615+21.7%Added
Old National Bancorp3,453$850.3K0.02%−100−2.8%Reduced
Jane Street Group, LLC3,475$855.7K0.00%−20,707−85.6%Reduced
Alliance Wealth Advisors, LLC3,556$875.7K0.32%+74+2.1%Added
XTX Topco Ltd3,667$903.0K0.15%+2,201+150.1%Added
1832 Asset Management L.P.3,715$914.8K0.00%+954+34.6%Added
Thoroughbred Financial Services, LLC3,731$918.0K0.09%+3,731New
Fisher Asset Management, LLC3,744$922.0K0.00%00.0%Unchanged
Dakota Wealth Management3,770$928.4K0.04%+334+9.7%Added
Wealth Enhancement Advisory Services, LLC3,784$931.8K0.00%+3,784New
Rathbone Brothers plc3,800$935.8K0.01%00.0%Unchanged
Nwam LLC3,811$938.5K0.10%+10.0%Added
BancorpSouth Bank3,812$938.7K0.08%00.0%Unchanged
First Hawaiian Bank3,824$941.7K0.03%+42+1.1%Added
Greenwood Capital Associates LLC3,861$950.8K0.14%−39−1.0%Reduced
TD Private Client Wealth LLC3,916$964.3K0.04%−581−12.9%Reduced
Montag & Caldwell, LLC4,080$1.00M0.13%00.0%Unchanged
Confluence Investment Management LLC4,138$1.02M0.02%00.0%Unchanged
Redmond Asset Management, LLC4,213$1.04M0.37%+4,213New
Xponance, Inc.4,228$1.04M0.01%+103+2.5%Added
TLWM4,391$1.08M0.29%+150+3.5%Added
Zurcher Kantonalbank (Zurich Cantonalbank)4,477$1.10M0.00%+1,218+37.4%Added
Mariner, LLC4,478$1.10M0.00%+153+3.5%Added
Ninety One SA (PTY) Ltd4,487$1.10M0.21%−575−11.4%Reduced
Schechter Investment Advisors, LLC4,488$1.11M0.11%+22+0.5%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main4,593$1.13M0.00%+868+23.3%Added
Covenant Partners, LLC4,622$1.14M0.41%+999+27.6%Added
Stephens Inc4,640$1.14M0.02%−537−10.4%Reduced
Eqis Capital Management, Inc.4,699$1.16M0.14%−1,798−27.7%Reduced
Cetera Investment Advisers4,700$1.16M0.01%−377−7.4%Reduced
Advisor Partners II, LLC4,960$1.22M0.05%+3,528+246.4%Added
Park Avenue Securities LLC5,012$1.23M0.02%+5,012New