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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 2023

Institutional positions in Icon PLC as of Jun 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
534
0 vs. Q1 2023
Shares held
79.3M
+4.27M (+5.7%) vs. Q1 2023
Total value
$19.9B
+$3.82B (+23.8%) vs. Q1 2023
New holders
64
188 more added
Sold out
64
198 more reduced

4 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 534 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 2023: $19.9B
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 2023

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q1 2023.

Institutions holding ICLR in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
CIBC Asset Management Inc1,876$469.4K0.00%−1,042−35.7%Reduced
Eagle Harbor Asset Management Inc1,882$470.9K0.62%00.0%Unchanged
Groesbeck Investment Management Corp1,896$474.0K0.72%00.0%Unchanged
Ossiam1,927$482.1K0.01%+1,030+114.8%Added
Bishop Rock Capital, L.P.1,954$488.9K0.71%−3,226−62.3%Reduced
Assetmark, Inc1,959$490.1K0.00%+445+29.4%Added
Cambridge Investment Research Advisors, Inc.1,962$491.0K0.00%−119−5.7%Reduced
Panagora Asset Management Inc2,028$507.4K0.00%+2,028New
MetLife Investment Management2,120$530.4K0.00%+2,120New
Commonwealth Equity Services, LLC2,128$532.0K0.00%−645−23.3%Reduced
Guggenheim Capital LLC2,157$539.7K0.00%−1,171−35.2%Reduced
Somerset Trust Co2,196$549.4K0.24%00.0%Unchanged
Archer Investment Corp2,200$550.4K0.20%00.0%Unchanged
Banque Cantonale Vaudoise2,219$555.0K0.03%+75+3.5%Added
Mackenzie Financial Corp2,287$555.8K0.00%−21−0.9%Reduced
Cetera Advisors LLC2,227$557.3K0.01%−82−3.6%Reduced
Fulton Bank, N.A.2,263$566.2K0.03%+144+6.8%Added
Purus Wealth Management, LLC2,269$567.7K0.37%−8−0.4%Reduced
Integrated Wealth Concepts LLC2,287$572.2K0.01%+2,287New
Pinnacle Associates Ltd2,291$573.2K0.01%+2+0.1%Added
CIBC World Markets Inc.2,346$587.0K0.00%−347−12.9%Reduced
Tributary Capital Management, LLC2,349$587.7K0.05%−141−5.7%Reduced
Sara-Bay Financial2,378$595.0K0.29%+643+37.1%Added
Legacy Advisors, LLC2,440$610.5K0.09%−190−7.2%Reduced
Pictet & Cie (Europe) SA2,449$612.7K0.02%+931+61.3%Added
Yorktown Management & Research Co Inc2,450$613.0K0.66%00.0%Unchanged
Marietta Investment Partners LLC2,459$615.2K0.16%+42+1.7%Added
Fifth Third Bancorp2,472$618.5K0.00%−905−26.8%Reduced
Yousif Capital Management, LLC2,478$620.0K0.01%+674+37.4%Added
SkyView Investment Advisors, LLC2,505$627.0K0.16%+105+4.4%Added
Tiaa, FSB2,540$635.5K0.00%+8+0.3%Added
KB Financial Partners, LLC2,562$641.0K0.18%+88+3.6%Added
ExodusPoint Capital Management, LP2,571$643.0K0.01%+2,571New
United Capital Financial Advisers, LLC2,690$673.1K0.00%−509−15.9%Reduced
Amica Retiree Medical Trust2,734$684.0K0.76%+178+7.0%Added
1832 Asset Management L.P.2,761$690.8K0.00%+2,761New
Castleark Management LLC2,770$693.1K0.03%+360+14.9%Added
Tectonic Advisors LLC2,784$696.6K0.09%00.0%Unchanged
Diamond Hill Capital Management Inc2,834$709.1K0.00%+1,499+112.3%Added
Aigen Investment Management, LP2,844$711.6K0.11%−782−21.6%Reduced
Portside Wealth Group, LLC2,864$716.6K0.13%+2,864New
Legacy Wealth Asset Management, LLC2,894$724.1K0.25%+29+1.0%Added
Hayek Kallen Investment Management2,945$737.0K0.31%−310−9.5%Reduced
Resources Investment Advisors, LLC.2,966$742.1K0.02%+48+1.6%Added
Advisory Services Network, LLC2,968$742.6K0.02%−113−3.7%Reduced
Jennison Associates LLC2,969$742.8K0.00%−260,782−98.9%Reduced
International Assets Investment Management, LLC3,038$760.1K0.10%−193−6.0%Reduced
Aviva PLC3,086$772.1K0.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC3,107$777.4K0.05%−311−9.1%Reduced
Perpetual Ltd3,190$798.1K0.01%−802,682−99.6%Reduced
Tower Research Capital LLC (TRC)3,192$798.6K0.03%+1,687+112.1%Added
Chicago Partners Investment Group LLC3,186$801.3K0.04%−432−11.9%Reduced
Jefferies Financial Group Inc.3,218$805.1K0.02%−39,500−92.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)3,259$815.4K0.00%+64+2.0%Added
Private Advisor Group, LLC3,326$833.7K0.01%−133−3.8%Reduced
Wrapmanager Inc3,405$851.9K0.26%−200−5.5%Reduced
DAGCO, Inc.3,405$851.9K0.42%−50−1.4%Reduced
Dakota Wealth Management3,436$859.7K0.04%+49+1.4%Added
Allianz Asset Management GmbH3,467$867.4K0.00%+3,467New
Alliance Wealth Advisors, LLC3,482$871.2K0.32%+146+4.4%Added
Old National Bancorp3,553$889.0K0.03%−1,294−26.7%Reduced
Susquehanna International Group, LLP3,565$892.0K0.00%−1,133−24.1%Reduced
Raymond James Trust N.A.3,585$897.0K0.03%−466−11.5%Reduced
Covenant Partners, LLC3,623$906.5K0.33%−65−1.8%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main3,725$932.0K0.00%−26,168−87.5%Reduced
Fisher Asset Management, LLC3,744$936.7K0.00%−107−2.8%Reduced
First Hawaiian Bank3,782$946.3K0.03%+113+3.1%Added
Rathbone Brothers plc3,800$950.8K0.01%00.0%Unchanged
Nwam LLC3,810$953.3K0.08%00.0%Unchanged
BancorpSouth Bank3,812$953.8K0.08%−48−1.2%Reduced
Greenwood Capital Associates LLC3,900$975.8K0.14%−43−1.1%Reduced
Montag & Caldwell, LLC4,080$1.02M0.12%00.0%Unchanged
Xponance, Inc.4,125$1.03M0.01%+4,125New
Confluence Investment Management LLC4,138$1.04M0.02%−434−9.5%Reduced
TLWM4,241$1.06M0.31%+26+0.6%Added
Mariner, LLC4,325$1.08M0.00%−57−1.3%Reduced
Schechter Investment Advisors, LLC4,466$1.12M0.10%+196+4.6%Added
TD Private Client Wealth LLC4,497$1.13M0.05%−12,162−73.0%Reduced
Cumberland Partners Ltd4,500$1.13M0.10%+250+5.9%Added
V Wealth Advisors LLC5,058$1.27M0.22%+177+3.6%Added
Ninety One SA (PTY) Ltd5,062$1.27M0.31%+923+22.3%Added
STRS Ohio5,066$1.27M0.01%+5,066New
Cetera Investment Advisers5,077$1.27M0.01%−1,312−20.5%Reduced
Connable Office Inc5,140$1.29M0.18%+5+0.1%Added
Stephens Inc5,177$1.30M0.02%−423−7.6%Reduced
Pathstone Family Office, LLC5,109$1.32M0.02%+2,184+74.7%Added
Bayesian Capital Management, LP5,286$1.32M0.14%+2,771+110.2%Added
Personal Cfo Solutions, LLC5,417$1.36M0.28%+130+2.5%Added
Prudential Financial Inc5,622$1.41M0.00%+88+1.6%Added
Tealwood Asset Management Inc5,689$1.42M0.69%−161−2.8%Reduced
Advisors Asset Management, Inc.5,697$1.43M0.03%−2,942−34.1%Reduced
Chartwell Investment Partners, LLC5,990$1.50M0.05%+1,903+46.6%Added
Glenmede Trust Co NA7,084$1.51M0.01%00.0%Unchanged
UBS Oconnor LLC6,145$1.54M0.03%−173−2.7%Reduced
Kennedy Capital Management, Inc.6,153$1.54M0.04%+3,093+101.1%Added
Maryland State Retirement & Pension System6,221$1.56M0.03%+6,221New
GAM Holding AG6,222$1.56M0.11%−5,378−46.4%Reduced
Washington Trust Advisors, Inc.6,240$1.56M0.15%−426−6.4%Reduced
Two Sigma Investments, LP6,300$1.58M0.00%−1,200−16.0%Reduced
Eqis Capital Management, Inc.6,497$1.63M0.18%−741−10.2%Reduced