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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
Fiduciary Family Office, LLC1,357$384.2K0.17%+1,357New
Avantax Advisory Services, Inc.1,358$384.4K0.00%+17+1.3%Added
Northwestern Mutual Wealth Management Co1,363$385.8K0.00%+189+16.1%Added
National Asset Management, Inc.1,366$386.7K0.01%−625−31.4%Reduced
Hilltop Holdings Inc.1,387$392.6K0.04%+96+7.4%Added
Wahed Invest LLC1,388$392.9K0.11%+116+9.1%Added
Pictet & Cie (Europe) SA1,390$393.5K0.01%−1,027−42.5%Reduced
Nisa Investment Advisors, LLC1,400$396.3K0.00%+1,400New
CWA Asset Management Group, LLC1,409$398.8K0.03%+9+0.6%Added
Parallel Advisors, LLC1,411$399.4K0.01%+14+1.0%Added
Centiva Capital, LP1,423$402.8K0.03%+108+8.2%Added
Two Sigma Securities, LLC1,437$406.8K0.02%+355+32.8%Added
NorthCrest Asset Manangement, LLC1,470$416.1K0.02%00.0%Unchanged
Prime Capital Investment Advisors, LLC1,470$416.1K0.01%+1,470New
Pinnacle Wealth Planning Services, Inc.1,509$427.2K0.07%+13+0.9%Added
FirstPurpose Wealth LLC1,520$430.3K0.16%−27−1.7%Reduced
Daiwa Securities Group Inc.1,579$447.0K0.00%+33+2.1%Added
MAI Capital Management1,594$451.2K0.01%+87+5.8%Added
JustInvest LLC1,608$455.2K0.01%+113+7.6%Added
Commerce Bank1,610$455.7K0.00%+82+5.4%Added
Clifford Swan Investment Counsel LLC1,620$458.6K0.02%−126−7.2%Reduced
Sentry Investment Management LLC1,621$459.0K0.20%+1,621New
Mesirow Financial Investment Management, Inc.1,625$460.0K0.02%+1,625New
American Trust1,627$460.6K0.03%−121−6.9%Reduced
Lincoln National Corp1,652$467.6K0.01%+78+5.0%Added
Granite Group Advisors, LLC1,411$469.0K0.33%+1,411New
Yarbrough Capital, LLC1,662$470.5K0.02%00.0%Unchanged
Stephenson National Bank & Trust1,666$471.6K0.23%−4−0.2%Reduced
Legacy Advisors, LLC1,667$471.9K0.06%−489−22.7%Reduced
Cresset Asset Management, LLC1,673$473.6K0.00%+45+2.8%Added
CIBC Asset Management Inc1,706$482.9K0.00%−98−5.4%Reduced
Headlands Technologies LLC1,721$487.2K0.15%+1,499+675.2%Added
Guggenheim Capital LLC1,800$509.5K0.00%−101−5.3%Reduced
Prelude Capital Management, LLC1,800$509.5K0.04%+86+5.0%Added
Malaga Cove Capital, LLC1,821$515.5K0.22%+420+30.0%Added
Fifth Third Bancorp1,869$529.1K0.00%−479−20.4%Reduced
Eagle Harbor Asset Management Inc1,882$532.7K0.61%00.0%Unchanged
D.A. Davidson & Co.1,907$539.8K0.01%+58+3.1%Added
Financial Advocates Investment Management1,925$544.9K0.04%+20+1.0%Added
Integrated Wealth Concepts LLC1,928$545.7K0.01%−182−8.6%Reduced
Principal Securities, Inc.1,930$546.3K0.02%+1,930New
Cambridge Investment Research Advisors, Inc.1,936$548.0K0.00%+116+6.4%Added
United Capital Financial Advisers, LLC1,975$559.1K0.00%+783+65.7%Added
Fulton Bank, N.A.1,980$560.5K0.03%+4+0.2%Added
Advisor OS, LLC2,006$567.8K0.07%+200+11.1%Added
Acadian Asset Management LLC2,014$569.0K0.00%+1,150+133.1%Added
Advisors Asset Management, Inc.2,033$575.5K0.01%−3,253−61.5%Reduced
Mercer Global Advisors Inc2,043$578.0K0.00%−440−17.7%Reduced
Trust Point Inc.2,079$588.5K0.05%+2,079New
MetLife Investment Management2,086$590.5K0.00%−36−1.7%Reduced
Beacon Pointe Advisors, LLC2,104$595.6K0.01%−291−12.2%Reduced
Inceptionr LLC2,112$597.8K0.43%+2,112New
Somerset Trust Co2,132$603.5K0.26%00.0%Unchanged
WR Wealth Planners, LLC2,135$604.4K0.22%+272+14.6%Added
Banque Cantonale Vaudoise2,147$608.0K0.03%−23−1.1%Reduced
Groesbeck Investment Management Corp2,186$619.0K0.86%+290+15.3%Added
Purus Wealth Management, LLC2,191$620.2K0.36%−74−3.3%Reduced
Legacy Wealth Asset Management, LLC2,193$620.8K0.20%−6−0.3%Reduced
Archer Investment Corp2,200$622.8K0.20%00.0%Unchanged
Emerald Advisers, LLC2,256$638.6K0.03%+480+27.0%Added
Wrapmanager Inc2,282$646.0K0.19%−143−5.9%Reduced
Pinnacle Associates Ltd2,284$646.5K0.01%−5−0.2%Reduced
XTX Topco Ltd2,302$651.6K0.14%−1,365−37.2%Reduced
Zions Bancorporation, N.A.2,314$655.0K0.05%+38+1.7%Added
Tiaa Trust, National Association2,347$664.4K0.00%−108−4.4%Reduced
Perpetual Ltd2,364$669.2K0.01%−519−18.0%Reduced
Chicago Partners Investment Group LLC2,541$670.1K0.03%−308−10.8%Reduced
Wolverine Trading, LLC2,390$676.5K0.01%+2,390New
Yorktown Management & Research Co Inc2,450$693.5K0.72%00.0%Unchanged
Choate Investment Advisors2,470$699.2K0.02%−5−0.2%Reduced
Harbor Capital Advisors, Inc.2,472$699.7K0.14%−455−15.5%Reduced
Yousif Capital Management, LLC2,563$725.5K0.01%−10−0.4%Reduced
MQS Management LLC2,587$732.3K0.41%+2,587New
Cetera Advisors LLC2,603$736.9K0.01%−23−0.9%Reduced
Marietta Investment Partners LLC2,618$741.1K0.18%+177+7.3%Added
Virtus ETF Advisers LLC2,625$743.1K0.47%−411−13.5%Reduced
Brevan Howard Capital Management LP2,660$753.0K0.08%+2,660New
Tributary Capital Management, LLC2,664$754.1K0.06%−256−8.8%Reduced
International Assets Investment Management, LLC2,666$754.7K0.10%−187−6.6%Reduced
Whittier Trust Co2,702$764.8K0.01%+158+6.2%Added
Sara-Bay Financial2,766$783.0K0.38%+163+6.3%Added
Hayek Kallen Investment Management2,770$784.0K0.33%−50−1.8%Reduced
Tectonic Advisors LLC2,784$788.1K0.07%00.0%Unchanged
Jennison Associates LLC2,797$791.7K0.00%+2,797New
Advisory Services Network, LLC2,804$793.7K0.02%−434−13.4%Reduced
Pittenger & Anderson Inc2,835$802.5K0.04%+2,835New
Portside Wealth Group, LLC3,004$850.3K0.16%+78+2.7%Added
HighPoint Advisor Group LLC2,600$857.0K0.06%+2,600New
Allianz Asset Management GmbH3,035$859.1K0.00%−220−6.8%Reduced
O'Shaughnessy Asset Management, LLC3,040$860.5K0.01%−164−5.1%Reduced
Aviva PLC3,061$866.5K0.00%−8−0.3%Reduced
Nebula Research & Development LLC3,061$866.5K0.26%+3,061New
Private Advisor Group, LLC3,208$908.1K0.01%+111+3.6%Added
Castleark Management LLC3,240$917.1K0.04%00.0%Unchanged
Old National Bancorp3,261$923.1K0.02%−192−5.6%Reduced
Wealth Enhancement Advisory Services, LLC3,262$923.3K0.00%−522−13.8%Reduced
Raymond James Trust N.A.3,298$933.6K0.02%+4+0.1%Added
TD Private Client Wealth LLC3,321$940.1K0.03%−595−15.2%Reduced
Resources Investment Advisors, LLC.3,559$1.01M0.02%+612+20.8%Added
Alliance Wealth Advisors, LLC3,568$1.01M0.34%+12+0.3%Added