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 2025
Institutional positions in Icon PLC as of Sep 30, 2025. 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
- 513
- +30 vs. Q2 2025
- Shares held
- 74.4M
- −1.21M (−1.6%) vs. Q2 2025
- Total value
- $13.0B
- +$2.04B (+18.6%) vs. Q2 2025
- New holders
- 91
- 169 more added
- Sold out
- 61
- 184 more reduced
6 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Parthenon LLC | 79,785 | $14.0M | 1.55% | +17,815+28.7% | Added |
| Philosophy Capital Management LLC | 79,634 | $13.9M | 1.61% | +79,634 | New |
| Bank of Montreal | 79,191 | $13.9M | 0.01% | +9,298+13.3% | Added |
| Cambiar Investors LLC | 79,030 | $13.8M | 0.63% | −174−0.2% | Reduced |
| Hound Partners, LLC | 75,000 | $13.1M | 1.69% | 00.0% | Unchanged |
| Muhlenkamp & Co Inc | 73,467 | $12.9M | 3.49% | +73,467 | New |
| Arvin Capital Management LP | 71,675 | $12.5M | 2.90% | +71,675 | New |
| Frontier Capital Management Co LLC | 69,289 | $12.1M | 0.11% | −2,071−2.9% | Reduced |
| Distillate Capital Partners LLC | 67,538 | $11.8M | 0.61% | +2,337+3.6% | Added |
| Van Eck Associates Corp | 67,108 | $11.7M | 0.01% | −5,741−7.9% | Reduced |
| Fayez Sarofim & Co | 66,433 | $11.6M | 0.03% | −27,920−29.6% | Reduced |
| Motley Fool Asset Management LLC | 65,755 | $11.5M | 0.48% | +30,004+83.9% | Added |
| Palisade Capital Management LLC | 64,905 | $11.4M | 0.31% | +608+0.9% | Added |
| Loomis Sayles & Co L P | 64,711 | $11.3M | 0.01% | −1,486−2.2% | Reduced |
| T. Rowe Price Investment Management, Inc. | 60,669 | $10.6M | 0.01% | +23,340+62.5% | Added |
| Kelly Lawrence W & Associates Inc | 60,256 | $10.5M | 2.56% | +60,256 | New |
| Eldred Rock Partners, LLC | 59,017 | $10.3M | 2.58% | +6,390+12.1% | Added |
| Foyston, Gordon, & Payne Inc | 58,976 | $10.3M | 2.26% | −643−1.1% | Reduced |
| Motley Fool Wealth Management, LLC | 57,949 | $10.1M | 0.69% | −8,558−12.9% | Reduced |
| Thornburg Investment Management Inc | 57,201 | $10.0M | 0.13% | −17,435−23.4% | Reduced |
| Eversept Partners, LP | 55,025 | $9.63M | 0.74% | −9,562−14.8% | Reduced |
| Kornitzer Capital Management Inc | 54,137 | $9.47M | 0.19% | −35,000−39.3% | Reduced |
| Twinbeech Capital LP | 54,007 | $9.45M | 0.37% | +54,007 | New |
| Firetrail Investments Pty Ltd | 53,265 | $9.25M | 2.32% | −188−0.4% | Reduced |
| Marks Group Wealth Management, Inc | 52,744 | $9.23M | 0.86% | −3,094−5.5% | Reduced |
| CI Private Wealth, LLC | 52,309 | $9.15M | 0.01% | −12,583−19.4% | Reduced |
| Osborne Partners Capital Management, LLC | 51,590 | $9.03M | 0.46% | +1,342+2.7% | Added |
| AXA Investment Managers S.A. | 51,461 | $9.01M | 0.02% | +51,461 | New |
| Hyperion Capital Advisors LP | 49,264 | $8.62M | 4.61% | +790+1.6% | Added |
| Colony Group, LLC | 48,666 | $8.51M | 0.01% | −30−0.1% | Reduced |
| Financiere des Professionnels - Fonds d,investissement inc. | 48,291 | $8.45M | 0.49% | −1,921−3.8% | Reduced |
| ExodusPoint Capital Management, LP | 48,111 | $8.42M | 0.12% | −245,232−83.6% | Reduced |
| Swedbank AB | 48,100 | $8.42M | 0.01% | +6,300+15.1% | Added |
| Grandeur Peak Global Advisors, LLC | 47,711 | $8.35M | 1.12% | −102,821−68.3% | Reduced |
| Strategic Global Advisors, LLC | 47,565 | $8.32M | 1.26% | −960−2.0% | Reduced |
| Liontrust Investment Partners LLP | 46,801 | $8.19M | 0.12% | −10,660−18.6% | Reduced |
| Charles Schwab Investment Management Inc | 45,807 | $8.02M | 0.00% | +9,837+27.3% | Added |
| Edmond de Rothschild Holding S.A. | 45,743 | $8.01M | 0.12% | +441+1.0% | Added |
| Armor Advisors, L.L.C. | 38,934 | $6.81M | 6.46% | +4,592+13.4% | Added |
| Gateway Investment Advisers LLC | 37,650 | $6.59M | 0.06% | −3,506−8.5% | Reduced |
| Truist Financial Corp | 36,442 | $6.38M | 0.01% | −1,014−2.7% | Reduced |
| First National Bank of Omaha | 35,814 | $6.27M | 0.40% | −409−1.1% | Reduced |
| Trillium Asset Management, LLC | 35,706 | $6.25M | 0.17% | −67−0.2% | Reduced |
| Keystone Investors Pte Ltd | 33,526 | $5.87M | 0.68% | +33,526 | New |
| LVM Capital Management Ltd | 32,989 | $5.77M | 0.55% | −7,614−18.8% | Reduced |
| Stifel Financial Corp | 32,560 | $5.70M | 0.01% | +4,506+16.1% | Added |
| Bank of New York Mellon Corp | 31,399 | $5.49M | 0.00% | +2,352+8.1% | Added |
| Ninety One SA (PTY) Ltd | 32,608 | $5.45M | 0.25% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 29,976 | $5.25M | 0.02% | +1,831+6.5% | Added |
| National Philanthropic Trust | 29,225 | $5.11M | 0.06% | 00.0% | Unchanged |
| LPL Financial LLC | 29,164 | $5.10M | 0.00% | +5,063+21.0% | Added |
| Moore Capital Management, LP | 29,074 | $5.09M | 0.10% | −8,751−23.1% | Reduced |
| Two Sigma Investments, LP | 28,961 | $5.07M | 0.01% | −103,664−78.2% | Reduced |
| DekaBank Deutsche Girozentrale | 30,885 | $4.98M | 0.01% | 00.0% | Unchanged |
| Circumference Group LLC | 28,000 | $4.90M | 5.75% | +4,000+16.7% | Added |
| Vident Advisory, LLC | 27,884 | $4.88M | 0.05% | −1,955−6.6% | Reduced |
| Captrust Financial Advisors | 27,093 | $4.74M | 0.01% | −171−0.6% | Reduced |
| Hunter Perkins Capital Management, LLC | 26,470 | $4.63M | 1.03% | +4,071+18.2% | Added |
| Deutsche Bank AG | 25,747 | $4.51M | 0.00% | −545−2.1% | Reduced |
| Sector Gamma AS | 24,967 | $4.37M | 1.08% | +24,967 | New |
| Natixis Advisors, L.P. | 24,871 | $4.35M | 0.01% | +1,000+4.2% | Added |
| DnB Asset Management AS | 24,795 | $4.34M | 0.02% | −6,054−19.6% | Reduced |
| Walleye Trading LLC | 24,587 | $4.30M | 0.07% | +5,714+30.3% | Added |
| TD Asset Management Inc | 24,522 | $4.29M | 0.00% | +2,011+8.9% | Added |
| Romano Brothers and Company | 24,288 | $4.28M | 0.49% | +3,125+14.8% | Added |
| American Capital Management Inc | 24,421 | $4.27M | 0.17% | −24,805−50.4% | Reduced |
| Bellevue Group AG | 24,247 | $4.24M | 0.09% | +24,247 | New |
| Blair William & Co | 24,010 | $4.20M | 0.01% | +836+3.6% | Added |
| Janney Montgomery Scott LLC | 23,849 | $4.17M | 0.01% | −2,296−8.8% | Reduced |
| Integrated Wealth Concepts LLC | 22,873 | $4.00M | 0.04% | −4,389−16.1% | Reduced |
| Engineers Gate Manager LP | 22,808 | $3.99M | 0.05% | +12,013+111.3% | Added |
| Northern Trust Corp | 22,641 | $3.96M | 0.00% | −9,082−28.6% | Reduced |
| Sendero Wealth Management, LLC | 21,004 | $3.68M | 0.43% | +4,403+26.5% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 20,766 | $3.63M | 0.00% | +20,766 | New |
| Hantz Financial Services, Inc. | 20,175 | $3.53M | 0.05% | −1,131−5.3% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 20,158 | $3.53M | 0.01% | −501−2.4% | Reduced |
| TT International Asset Management LTD | 41,290 | $3.46M | 0.67% | −116,706−73.9% | Reduced |
| D.A. Davidson & Co. | 19,557 | $3.42M | 0.02% | +19,557 | New |
| Pathstone Holdings, LLC | 19,517 | $3.42M | 0.01% | +1,983+11.3% | Added |
| Welch & Forbes LLC | 18,735 | $3.28M | 0.04% | −50.0% | Reduced |
| Live Oak Private Wealth LLC | 18,233 | $3.19M | 0.44% | +5,593+44.2% | Added |
| Citigroup Inc | 18,051 | $3.16M | 0.00% | −79−0.4% | Reduced |
| Banque de Luxembourg S.A. | 17,744 | $3.11M | 1.61% | +135+0.8% | Added |
| Buckhead Capital Management LLC | 17,547 | $3.07M | 1.12% | +1,328+8.2% | Added |
| Greenhaven Associates IncSuperinvestorGreenhaven Associates | 17,409 | $3.05M | 0.05% | −224−1.3% | Reduced |
| Manhattan West Asset Management, LLC | 16,978 | $2.97M | 0.63% | −3,610−17.5% | Reduced |
| Susquehanna International Group, LLP | 16,392 | $2.87M | 0.00% | +16,392 | New |
| Quartz Partners, LLC | 15,959 | $2.79M | 1.01% | +5,356+50.5% | Added |
| Cetera Investment Advisers | 15,608 | $2.73M | 0.00% | +1,639+11.7% | Added |
| Amundi | 14,322 | $2.73M | 0.00% | −109,848−88.5% | Reduced |
| Exencial Wealth Advisors, LLC | 15,323 | $2.68M | 0.09% | +667+4.6% | Added |
| SeaBridge Investment Advisors LLC | 14,795 | $2.59M | 0.42% | +14,795 | New |
| Sterling Capital Management LLC | 14,678 | $2.57M | 0.04% | −7,922−35.1% | Reduced |
| London Co of Virginia | 14,431 | $2.53M | 0.01% | +11,309+362.2% | Added |
| Banque Pictet & Cie SA | 13,915 | $2.44M | 0.02% | +13,915 | New |
| Arkadios Wealth Advisors | 13,832 | $2.42M | 0.06% | +3,650+35.8% | Added |
| CWM Advisors, LLC | 13,725 | $2.40M | 0.23% | −966−6.6% | Reduced |
| Kennedy Capital Management, Inc. | 13,208 | $2.31M | 0.05% | −471−3.4% | Reduced |
| UBS Asset Management Americas Inc | 13,042 | $2.28M | 0.00% | −15,012−53.5% | Reduced |
| Mackenzie Financial Corp | 12,330 | $2.16M | 0.00% | +3,203+35.1% | Added |