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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 423 | $13.9B |
| Q1 2026 | 420 | $8.74B |
| Q4 2025 | 514 | $14.1B |
| Q3 2025 | 513 | $13.0B |
| Q2 2025 | 489 | $11.2B |
| Q1 2025 | 562 | $13.3B |
| Q4 2024 | 596 | $16.0B |
| Q3 2024 | 662 | $22.4B |
| Q2 2024 | 676 | $24.3B |
| Q1 2024 | 648 | $26.1B |
| Q4 2023 | 603 | $22.1B |
| Q3 2023 | 556 | $19.7B |
| Q2 2023 | 534 | $19.9B |
| Q1 2023 | 538 | $16.1B |
| Q4 2022 | 531 | $14.5B |
| Q3 2022 | 488 | $13.9B |
| Q2 2022 | 510 | $16.2B |
| Q1 2022 | 512 | $17.8B |
| Q4 2021 | 548 | $22.7B |
| Q3 2021 | 510 | $19.3B |
| Q2 2021 | 449 | $12.3B |
| Q1 2021 | 426 | $10.0B |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Baird Financial Group, Inc. | 323,229 | $108.6M | 0.23% | −98,172−23.3% | Reduced |
| First Pacific Advisors, LP | 350,619 | $117.8M | 1.65% | −197−0.1% | Reduced |
| Geode Capital Management, LLC | 434,837 | $146.1M | 0.01% | +17,472+4.2% | Added |
| American Capital Management Inc | 439,753 | $147.7M | 4.74% | −72,975−14.2% | Reduced |
| CIBC Private Wealth Group, LLC | 450,299 | $149.4M | 0.29% | −245,633−35.3% | Reduced |
| Principal Financial Group Inc | 445,474 | $149.7M | 0.09% | −26,455−5.6% | Reduced |
| Stephens Investment Management Group LLC | 449,203 | $150.9M | 2.01% | −3,865−0.9% | Reduced |
| Wasatch Advisors Inc | 454,280 | $152.6M | 0.80% | −90,780−16.7% | Reduced |
| Envestnet Asset Management Inc | 477,167 | $160.3M | 0.06% | −3,311−0.7% | Reduced |
| CCLA Investment Management Ltd | 500,098 | $165.4M | 2.54% | +1,888+0.4% | Added |
| AustralianSuper Pty Ltd | 522,828 | $173.4M | 1.01% | 00.0% | Unchanged |
| Earnest Partners LLC | 534,861 | $179.7M | 0.82% | −49,616−8.5% | Reduced |
| Westfield Capital Management Co LP | 536,883 | $180.4M | 0.95% | −21,964−3.9% | Reduced |
| Millennium Management LLC | 603,276 | $202.7M | 0.17% | −74,549−11.0% | Reduced |
| Northern Trust Corp | 630,265 | $211.7M | 0.04% | +7,107+1.1% | Added |
| Goldman Sachs Group Inc | 691,243 | $232.2M | 0.05% | −48,943−6.6% | Reduced |
| Trinity Street Asset Management LLP | 736,385 | $247.4M | 19.79% | +16,742+2.3% | Added |
| Bessemer Group Inc | 737,235 | $247.7M | 0.45% | +278,240+60.6% | Added |
| Norges Bank | 740,968 | $248.9M | 0.04% | +192,772+35.2% | Added |
| Neuberger Berman Group LLC | 792,442 | $266.2M | 0.22% | −65,310−7.6% | Reduced |
| FIL Ltd | 811,726 | $272.7M | 0.27% | −174,701−17.7% | Reduced |
| JPMorgan Chase & Co | 881,368 | $296.1M | 0.03% | −82,737−8.6% | Reduced |
| Citadel Advisors LLC | 886,207 | $297.7M | 0.29% | +24,528+2.8% | Added |
| Bank of America Corp | 900,179 | $302.4M | 0.03% | −121,483−11.9% | Reduced |
| Bamco Inc | 969,991 | $325.9M | 0.87% | −17,770−1.8% | Reduced |
| American Century Companies Inc | 985,155 | $331.0M | 0.21% | −415,246−29.7% | Reduced |
| Victory Capital Management Inc | 1,020,585 | $342.9M | 0.33% | +74,408+7.9% | Added |
| Polen Capital Management LLC | 1,098,219 | $368.9M | 0.85% | −93,951−7.9% | Reduced |
| State Street Corp | 1,103,133 | $370.6M | 0.02% | +54,189+5.2% | Added |
| William Blair Investment Management, LLC | 1,147,970 | $385.7M | 1.00% | +3,577+0.3% | Added |
| Janus Henderson Group PLC | 1,176,749 | $395.4M | 0.22% | +333,393+39.5% | Added |
| Sustainable Growth Advisers, LP | 1,214,812 | $408.1M | 1.71% | −89,636−6.9% | Reduced |
| BlueSpruce Investments, LP | 1,281,244 | $430.4M | 7.70% | +388,854+43.6% | Added |
| Franklin Resources Inc | 1,374,430 | $461.7M | 0.15% | −309,839−18.4% | Reduced |
| Comgest Global Investors S.A.S. | 1,441,318 | $484.2M | 6.74% | −102,493−6.6% | Reduced |
| Alliancebernstein L.P. | 1,474,610 | $495.4M | 0.18% | −62,303−4.1% | Reduced |
| Clearbridge Investments, LLC | 1,674,727 | $562.6M | 0.45% | +353,607+26.8% | Added |
| Price T Rowe Associates Inc | 1,743,683 | $585.8M | 0.07% | +218,803+14.3% | Added |
| Invesco Ltd. | 1,840,033 | $618.2M | 0.13% | −125,869−6.4% | Reduced |
| BlackRock Inc. | 1,864,083 | $626.2M | 0.01% | +57,492+3.2% | Added |
| Capital Research Global Investors | 2,200,417 | $739.2M | 0.17% | −353,256−13.8% | Reduced |
| FMR LLC | 2,302,310 | $773.5M | 0.05% | −722,974−23.9% | Reduced |
| Lazard Asset Management LLC | 2,594,559 | $871.6M | 1.06% | −166,866−6.0% | Reduced |
| Boston Partners | 2,628,805 | $881.4M | 1.05% | −42,925−1.6% | Reduced |
| Ninety One UK Ltd | 2,645,811 | $888.9M | 2.50% | +52,285+2.0% | Added |
| Wellington Management Group LLP | 3,217,442 | $1.08B | 0.19% | −209,973−6.1% | Reduced |
| Massachusetts Financial Services Co | 5,313,457 | $1.79B | 0.53% | −219,219−4.0% | Reduced |
| WCM Investment Management, LLC | 6,717,813 | $2.26B | 5.36% | −152,068−2.2% | Reduced |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −141,050−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −73,950−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −43,506−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −41,658−100.0% | Sold out |
| Cetera Advisor Networks LLC | 0 | $0 | 0.00% | −20,290−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −13,292−100.0% | Sold out |
| FJ Investments, LLC | 0 | $0 | 0.00% | −8,734−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −7,885−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −6,903−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −6,300−100.0% | Sold out |
| TLWM | 0 | $0 | 0.00% | −4,393−100.0% | Sold out |
| Endurant Capital Management LP | 0 | $0 | 0.00% | −3,659−100.0% | Sold out |
| Thoroughbred Financial Services, LLC | 0 | $0 | 0.00% | −3,656−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −2,797−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −2,660−100.0% | Sold out |
| Cetera Advisors LLC | 0 | $0 | 0.00% | −2,603−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −2,587−100.0% | Sold out |
| Perpetual Ltd | 0 | $0 | 0.00% | −2,364−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −2,112−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −1,800−100.0% | Sold out |
| Legacy Advisors, LLC | 0 | $0 | 0.00% | −1,667−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −1,437−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −1,265−100.0% | Sold out |
| Great Lakes Advisors, LLC | 0 | $0 | 0.00% | −1,226−100.0% | Sold out |
| TT International Asset Management LTD | 0 | $0 | 0.00% | −1,218−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,092−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −1,087−100.0% | Sold out |
| Checchi Capital Advisers, LLC | 0 | $0 | 0.00% | −895−100.0% | Sold out |
| Legacy Capital Wealth Partners, LLC | 0 | $0 | 0.00% | −831−100.0% | Sold out |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −807−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −729−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Tradition Wealth Management, LLC | 0 | $0 | 0.00% | −157−100.0% | Sold out |
| Livelsberger Financial Advisory | 0 | $0 | 0.00% | −102−100.0% | Sold out |
| LM Advisors LLC | 0 | $0 | 0.00% | −90−100.0% | Sold out |
| West Tower Group, LLC | 0 | $0 | 0.00% | −76−100.0% | Sold out |
| ORG Partners LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| Tucker Asset Management LLC | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Trifecta Capital Advisors, LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Laffer Tengler Investments | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| RFP Financial Group LLC | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| BKM Wealth Management, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Sunbelt Securities, Inc. | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Carmichael Hill & Associates, Inc. | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| American National Bank | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| JNBA Financial Advisors | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| EdgeRock Capital LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Able Wealth Management LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Putnam Investments LLC | – | – | – | – | Not filed |
| Sawtooth Solutions, LLC | – | – | – | – | Not filed |
| DFPG Investments, LLC | – | – | – | – | Not filed |