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 |
|---|---|---|---|---|---|
| Palisade Capital Management LLC | 64,905 | $11.4M | 0.31% | +608+0.9% | Added |
| Motley Fool Asset Management LLC | 65,755 | $11.5M | 0.48% | +30,004+83.9% | Added |
| Fayez Sarofim & Co | 66,433 | $11.6M | 0.03% | −27,920−29.6% | Reduced |
| Van Eck Associates Corp | 67,108 | $11.7M | 0.01% | −5,741−7.9% | Reduced |
| Distillate Capital Partners LLC | 67,538 | $11.8M | 0.61% | +2,337+3.6% | Added |
| Frontier Capital Management Co LLC | 69,289 | $12.1M | 0.11% | −2,071−2.9% | Reduced |
| Arvin Capital Management LP | 71,675 | $12.5M | 2.90% | +71,675 | New |
| Muhlenkamp & Co Inc | 73,467 | $12.9M | 3.49% | +73,467 | New |
| Hound Partners, LLC | 75,000 | $13.1M | 1.69% | 00.0% | Unchanged |
| Cambiar Investors LLC | 79,030 | $13.8M | 0.63% | −174−0.2% | Reduced |
| Bank of Montreal | 79,191 | $13.9M | 0.01% | +9,298+13.3% | Added |
| Philosophy Capital Management LLC | 79,634 | $13.9M | 1.61% | +79,634 | New |
| Parthenon LLC | 79,785 | $14.0M | 1.55% | +17,815+28.7% | Added |
| Farmers & Merchants Investments Inc | 80,038 | $14.0M | 0.40% | −7,535−8.6% | Reduced |
| Walter Public Investments Inc. | 80,757 | $14.1M | 2.32% | −20,524−20.3% | Reduced |
| Foresight Group Ltd Liability Partnership | 81,751 | $14.3M | 2.14% | +1,549+1.9% | Added |
| Evergreen Quality Fund GP, Ltd. | 84,700 | $14.8M | 0.33% | +84,700 | New |
| State of Michigan Retirement System | 85,070 | $14.9M | 0.07% | +15,400+22.1% | Added |
| Vanguard Group Inc | 88,560 | $15.5M | 0.00% | −136,458−60.6% | Reduced |
| FIL Ltd | 88,586 | $15.5M | 0.01% | −30,800−25.8% | Reduced |
| Brown Advisory Inc | 88,619 | $15.5M | 0.02% | +15,266+20.8% | Added |
| Walleye Capital LLC | 89,116 | $15.6M | 0.13% | −90,192−50.3% | Reduced |
| Geode Capital Management, LLC | 93,718 | $16.4M | 0.00% | +9,348+11.1% | Added |
| Perry Creek Capital LP | 95,000 | $16.6M | 9.63% | +95,000 | New |
| Boone Capital Management LLC | 95,832 | $16.8M | 5.50% | 00.0% | Unchanged |
| Running Oak Capital LLC | 98,335 | $17.2M | 1.93% | −8,883−8.3% | Reduced |
| Voloridge Investment Management, LLC | 103,595 | $18.1M | 0.06% | −617,579−85.6% | Reduced |
| Prosight Management, LP | 109,500 | $19.2M | 4.60% | +10,942+11.1% | Added |
| Aviva PLC | 110,570 | $19.3M | 0.04% | +107,492+3,492.3% | Added |
| Hudson Bay Capital Management LP | 114,000 | $19.9M | 0.12% | −79,000−40.9% | Reduced |
| Price T Rowe Associates Inc | 117,334 | $20.5M | 0.00% | −1,070,253−90.1% | Reduced |
| PFM Health Sciences, LP | 133,683 | $23.4M | 2.00% | +45,502+51.6% | Added |
| Canada Pension Plan Investment Board | 134,083 | $23.5M | 0.02% | −45,351−25.3% | Reduced |
| WCM Investment Management, LLC | 143,913 | $23.5M | 0.05% | −56,033−28.0% | Reduced |
| Legal & General Group Plc | 137,106 | $24.0M | 0.01% | −124,860−47.7% | Reduced |
| JPMorgan Chase & Co | 138,868 | $24.3M | 0.00% | −614,165−81.6% | Reduced |
| Wells Fargo & Company | 147,625 | $25.8M | 0.01% | +36,768+33.2% | Added |
| Envestnet Asset Management Inc | 151,086 | $26.4M | 0.01% | −9,066−5.7% | Reduced |
| Zuckerman Investment Group, LLC | 151,746 | $26.6M | 2.46% | −6,456−4.1% | Reduced |
| Coho Partners, Ltd. | 152,503 | $26.7M | 3.43% | −78,840−34.1% | Reduced |
| California Public Employees Retirement System | 157,033 | $27.5M | 0.02% | +1,971+1.3% | Added |
| Capital Research Global Investors | 164,563 | $28.8M | 0.01% | +67,480+69.5% | Added |
| Brown Capital Management LLC | 170,341 | $29.8M | 1.23% | −9,182−5.1% | Reduced |
| Ameriprise Financial Inc | 172,400 | $30.2M | 0.01% | +69,913+68.2% | Added |
| BNP Paribas Arbitrage, SA | 172,595 | $30.2M | 0.02% | −314,814−64.6% | Reduced |
| Alyeska Investment Group, L.P. | 174,074 | $30.5M | 0.09% | +1,574+0.9% | Added |
| Neuberger Berman Group LLC | 179,114 | $31.2M | 0.02% | −29,172−14.0% | Reduced |
| Royal Bank of Canada | 181,743 | $31.8M | 0.01% | −5,161−2.8% | Reduced |
| Eagle Health Investments LP | 182,590 | $32.0M | 8.39% | −20,200−10.0% | Reduced |
| Canoe Financial LP | 197,970 | $34.6M | 0.49% | +4,119+2.1% | Added |
| HGK Asset Management Inc | 200,739 | $35.1M | 5.69% | +22,164+12.4% | Added |
| Manufacturers Life Insurance Company, The | 211,587 | $37.0M | 0.03% | −639,875−75.2% | Reduced |
| Janus Henderson Group PLC | 220,271 | $38.5M | 0.02% | −557,592−71.7% | Reduced |
| Millennium Management LLC | 222,181 | $38.9M | 0.03% | −395,716−64.0% | Reduced |
| CIBC Private Wealth Group, LLC | 223,811 | $39.2M | 0.07% | +9,221+4.3% | Added |
| Raymond James Financial Inc | 224,386 | $39.3M | 0.01% | +44,618+24.8% | Added |
| New York State Common Retirement Fund | 224,785 | $39.3M | 0.05% | +144,525+180.1% | Added |
| Capital World Investors | 228,384 | $40.0M | 0.01% | +228,384 | New |
| Employees Retirement System of Texas | 228,523 | $40.0M | 0.32% | +8,823+4.0% | Added |
| Diamond Hill Capital Management Inc | 234,440 | $41.0M | 0.19% | −27,173−10.4% | Reduced |
| Lakewood Capital Management, LP | 239,200 | $41.9M | 3.17% | +44,000+22.5% | Added |
| Russell Investments Group, Ltd. | 245,647 | $43.0M | 0.05% | +68,493+38.7% | Added |
| Macquarie Group Ltd | 253,007 | $44.3M | 0.05% | +61,022+31.8% | Added |
| BlackRock, Inc. | 254,059 | $44.5M | 0.00% | −72,495−22.2% | Reduced |
| Citadel Advisors LLC | 269,979 | $47.2M | 0.04% | −1,676,163−86.1% | Reduced |
| Altrinsic Global Advisors LLC | 303,408 | $53.1M | 1.96% | +303,408 | New |
| River Road Asset Management, LLC | 305,553 | $53.5M | 0.60% | +96,459+46.1% | Added |
| Brandywine Global Investment Management, LLC | 377,420 | $60.9M | 0.42% | +22,645+6.4% | Added |
| State Street Corp | 358,915 | $62.8M | 0.00% | −58,671−14.1% | Reduced |
| Brown Brothers Harriman & Co | 368,643 | $64.5M | 0.39% | +3,822+1.0% | Added |
| Glenview Capital Management, LLC | 371,418 | $65.0M | 1.58% | +371,418 | New |
| Holocene Advisors, LP | 392,506 | $68.7M | 0.16% | −287,221−42.3% | Reduced |
| Westfield Capital Management Co LP | 396,354 | $69.4M | 0.29% | +50,526+14.6% | Added |
| Dimensional Fund Advisors LP | 421,288 | $73.7M | 0.02% | −34,849−7.6% | Reduced |
| American Century Companies Inc | 427,345 | $74.8M | 0.04% | −104,050−19.6% | Reduced |
| Fisher Funds Management LTD | 431,083 | $75.4M | 2.00% | +44,390+11.5% | Added |
| Ninety One North America, Inc. | 442,847 | $77.5M | 3.51% | +13,996+3.3% | Added |
| Polen Capital Management LLC | 443,461 | $77.6M | 0.25% | −96,949−17.9% | Reduced |
| Goldman Sachs Group Inc | 448,767 | $78.5M | 0.01% | −54,470−10.8% | Reduced |
| UBS Group AG | 450,561 | $78.8M | 0.02% | −528,631−54.0% | Reduced |
| Point72 Asset Management, L.P. | 462,048 | $80.9M | 0.18% | −73,744−13.8% | Reduced |
| Stephens Investment Management Group LLC | 480,104 | $84.0M | 1.09% | +65,264+15.7% | Added |
| Morgan Stanley | 500,380 | $87.6M | 0.01% | −313,399−38.5% | Reduced |
| Bank of America Corp | 545,277 | $95.4M | 0.01% | −69,656−11.3% | Reduced |
| Qube Research & Technologies Ltd | 558,833 | $97.8M | 0.14% | −215,816−27.9% | Reduced |
| Fiduciary Management Inc | 560,938 | $98.2M | 0.99% | −89,622−13.8% | Reduced |
| USS Investment Management Ltd | 569,635 | $99.7M | 0.48% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 605,518 | $106.0M | 0.14% | −95,355−13.6% | Reduced |
| Equity Investment Corp | 628,229 | $109.9M | 2.30% | +62,643+11.1% | Added |
| Bamco Inc | 684,941 | $119.9M | 0.32% | −5,682−0.8% | Reduced |
| SEI Investments Co | 699,274 | $122.4M | 0.13% | +93,047+15.3% | Added |
| Boston Partners | 739,135 | $129.4M | 0.13% | +682,597+1,207.3% | Added |
| Brandes Investment Partners, LP | 755,660 | $132.2M | 1.06% | +548,127+264.1% | Added |
| Earnest Partners LLC | 809,652 | $141.7M | 0.61% | +215,355+36.2% | Added |
| Trinity Street Asset Management LLP | 870,973 | $152.4M | 10.39% | +29,558+3.5% | Added |
| First Pacific Advisors, LP | 974,325 | $170.5M | 2.36% | +10,205+1.1% | Added |
| Clearbridge Investments, LLC | 1,134,440 | $198.5M | 0.15% | −13,626−1.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,068,857 | $205.6M | 0.33% | +8,358+0.8% | Added |
| 1832 Asset Management L.P. | 1,204,125 | $210.7M | 0.36% | +52,797+4.6% | Added |
| Wgi DM, LLC | 1,277,980 | $223.6M | 8.34% | +267,888+26.5% | Added |