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 |
|---|---|---|---|---|---|
| Artisan Partners Limited Partnership | 7,071,360 | $1.24B | 1.78% | −113,510−1.6% | Reduced |
| Wellington Management Group LLP | 4,637,137 | $811.5M | 0.14% | +975,268+26.6% | Added |
| Orbis Allan Gray Ltd | 4,138,818 | $724.3M | 3.11% | +3,803,141+1,133.0% | Added |
| Massachusetts Financial Services Co | 3,503,553 | $613.1M | 0.19% | −248,455−6.6% | Reduced |
| Invesco Ltd. | 3,427,630 | $599.8M | 0.09% | +341,637+11.1% | Added |
| Principal Financial Group Inc | 3,277,293 | $573.5M | 0.29% | +2,886,755+739.2% | Added |
| Ninety One UK Ltd | 3,006,141 | $526.1M | 1.14% | +12,489+0.4% | Added |
| Franklin Resources Inc | 2,753,528 | $481.7M | 0.12% | +719,301+35.4% | Added |
| Harris Associates L PSuperinvestorHarris Associates (Oakmark) | 2,342,559 | $409.9M | 0.66% | +704,500+43.0% | Added |
| FMR LLC | 1,933,238 | $338.3M | 0.02% | −31,192−1.6% | Reduced |
| Ruane, Cunniff & Goldfarb L.P. | 1,700,994 | $297.7M | 4.93% | −7,189−0.4% | Reduced |
| D. E. Shaw & Co., Inc. | 1,477,101 | $258.5M | 0.21% | −956,910−39.3% | Reduced |
| Alliancebernstein L.P. | 1,374,074 | $240.5M | 0.08% | +53,325+4.0% | Added |
| Wgi DM, LLC | 1,277,980 | $223.6M | 8.34% | +267,888+26.5% | Added |
| 1832 Asset Management L.P. | 1,204,125 | $210.7M | 0.36% | +52,797+4.6% | Added |
| Allspring Global Investments Holdings, LLC | 1,068,857 | $205.6M | 0.33% | +8,358+0.8% | Added |
| Clearbridge Investments, LLC | 1,134,440 | $198.5M | 0.15% | −13,626−1.2% | Reduced |
| First Pacific Advisors, LP | 974,325 | $170.5M | 2.36% | +10,205+1.1% | Added |
| Trinity Street Asset Management LLP | 870,973 | $152.4M | 10.39% | +29,558+3.5% | Added |
| Earnest Partners LLC | 809,652 | $141.7M | 0.61% | +215,355+36.2% | Added |
| Brandes Investment Partners, LP | 755,660 | $132.2M | 1.06% | +548,127+264.1% | Added |
| Boston Partners | 739,135 | $129.4M | 0.13% | +682,597+1,207.3% | Added |
| SEI Investments Co | 699,274 | $122.4M | 0.13% | +93,047+15.3% | Added |
| Bamco Inc | 684,941 | $119.9M | 0.32% | −5,682−0.8% | Reduced |
| Equity Investment Corp | 628,229 | $109.9M | 2.30% | +62,643+11.1% | Added |
| Lazard Asset Management LLC | 605,518 | $106.0M | 0.14% | −95,355−13.6% | Reduced |
| USS Investment Management Ltd | 569,635 | $99.7M | 0.48% | 00.0% | Unchanged |
| Fiduciary Management Inc | 560,938 | $98.2M | 0.99% | −89,622−13.8% | Reduced |
| Qube Research & Technologies Ltd | 558,833 | $97.8M | 0.14% | −215,816−27.9% | Reduced |
| Bank of America Corp | 545,277 | $95.4M | 0.01% | −69,656−11.3% | Reduced |
| Morgan Stanley | 500,380 | $87.6M | 0.01% | −313,399−38.5% | Reduced |
| Stephens Investment Management Group LLC | 480,104 | $84.0M | 1.09% | +65,264+15.7% | Added |
| Point72 Asset Management, L.P. | 462,048 | $80.9M | 0.18% | −73,744−13.8% | Reduced |
| UBS Group AG | 450,561 | $78.8M | 0.02% | −528,631−54.0% | Reduced |
| Goldman Sachs Group Inc | 448,767 | $78.5M | 0.01% | −54,470−10.8% | Reduced |
| Polen Capital Management LLC | 443,461 | $77.6M | 0.25% | −96,949−17.9% | Reduced |
| Ninety One North America, Inc. | 442,847 | $77.5M | 3.51% | +13,996+3.3% | Added |
| Fisher Funds Management LTD | 431,083 | $75.4M | 2.00% | +44,390+11.5% | Added |
| American Century Companies Inc | 427,345 | $74.8M | 0.04% | −104,050−19.6% | Reduced |
| Dimensional Fund Advisors LP | 421,288 | $73.7M | 0.02% | −34,849−7.6% | Reduced |
| Westfield Capital Management Co LP | 396,354 | $69.4M | 0.29% | +50,526+14.6% | Added |
| Holocene Advisors, LP | 392,506 | $68.7M | 0.16% | −287,221−42.3% | Reduced |
| Glenview Capital Management, LLC | 371,418 | $65.0M | 1.58% | +371,418 | New |
| Brown Brothers Harriman & Co | 368,643 | $64.5M | 0.39% | +3,822+1.0% | Added |
| State Street Corp | 358,915 | $62.8M | 0.00% | −58,671−14.1% | Reduced |
| Brandywine Global Investment Management, LLC | 377,420 | $60.9M | 0.42% | +22,645+6.4% | Added |
| River Road Asset Management, LLC | 305,553 | $53.5M | 0.60% | +96,459+46.1% | Added |
| Altrinsic Global Advisors LLC | 303,408 | $53.1M | 1.96% | +303,408 | New |
| Citadel Advisors LLC | 269,979 | $47.2M | 0.04% | −1,676,163−86.1% | Reduced |
| BlackRock, Inc. | 254,059 | $44.5M | 0.00% | −72,495−22.2% | Reduced |
| Macquarie Group Ltd | 253,007 | $44.3M | 0.05% | +61,022+31.8% | Added |
| Russell Investments Group, Ltd. | 245,647 | $43.0M | 0.05% | +68,493+38.7% | Added |
| Lakewood Capital Management, LP | 239,200 | $41.9M | 3.17% | +44,000+22.5% | Added |
| Diamond Hill Capital Management Inc | 234,440 | $41.0M | 0.19% | −27,173−10.4% | Reduced |
| Employees Retirement System of Texas | 228,523 | $40.0M | 0.32% | +8,823+4.0% | Added |
| Capital World Investors | 228,384 | $40.0M | 0.01% | +228,384 | New |
| New York State Common Retirement Fund | 224,785 | $39.3M | 0.05% | +144,525+180.1% | Added |
| Raymond James Financial Inc | 224,386 | $39.3M | 0.01% | +44,618+24.8% | Added |
| CIBC Private Wealth Group, LLC | 223,811 | $39.2M | 0.07% | +9,221+4.3% | Added |
| Millennium Management LLC | 222,181 | $38.9M | 0.03% | −395,716−64.0% | Reduced |
| Janus Henderson Group PLC | 220,271 | $38.5M | 0.02% | −557,592−71.7% | Reduced |
| Manufacturers Life Insurance Company, The | 211,587 | $37.0M | 0.03% | −639,875−75.2% | Reduced |
| HGK Asset Management Inc | 200,739 | $35.1M | 5.69% | +22,164+12.4% | Added |
| Canoe Financial LP | 197,970 | $34.6M | 0.49% | +4,119+2.1% | Added |
| Eagle Health Investments LP | 182,590 | $32.0M | 8.39% | −20,200−10.0% | Reduced |
| Royal Bank of Canada | 181,743 | $31.8M | 0.01% | −5,161−2.8% | Reduced |
| Neuberger Berman Group LLC | 179,114 | $31.2M | 0.02% | −29,172−14.0% | Reduced |
| Alyeska Investment Group, L.P. | 174,074 | $30.5M | 0.09% | +1,574+0.9% | Added |
| BNP Paribas Arbitrage, SA | 172,595 | $30.2M | 0.02% | −314,814−64.6% | Reduced |
| Ameriprise Financial Inc | 172,400 | $30.2M | 0.01% | +69,913+68.2% | Added |
| Brown Capital Management LLC | 170,341 | $29.8M | 1.23% | −9,182−5.1% | Reduced |
| Capital Research Global Investors | 164,563 | $28.8M | 0.01% | +67,480+69.5% | Added |
| California Public Employees Retirement System | 157,033 | $27.5M | 0.02% | +1,971+1.3% | Added |
| Coho Partners, Ltd. | 152,503 | $26.7M | 3.43% | −78,840−34.1% | Reduced |
| Zuckerman Investment Group, LLC | 151,746 | $26.6M | 2.46% | −6,456−4.1% | Reduced |
| Envestnet Asset Management Inc | 151,086 | $26.4M | 0.01% | −9,066−5.7% | Reduced |
| Wells Fargo & Company | 147,625 | $25.8M | 0.01% | +36,768+33.2% | Added |
| JPMorgan Chase & Co | 138,868 | $24.3M | 0.00% | −614,165−81.6% | Reduced |
| Legal & General Group Plc | 137,106 | $24.0M | 0.01% | −124,860−47.7% | Reduced |
| WCM Investment Management, LLC | 143,913 | $23.5M | 0.05% | −56,033−28.0% | Reduced |
| Canada Pension Plan Investment Board | 134,083 | $23.5M | 0.02% | −45,351−25.3% | Reduced |
| PFM Health Sciences, LP | 133,683 | $23.4M | 2.00% | +45,502+51.6% | Added |
| Price T Rowe Associates Inc | 117,334 | $20.5M | 0.00% | −1,070,253−90.1% | Reduced |
| Hudson Bay Capital Management LP | 114,000 | $19.9M | 0.12% | −79,000−40.9% | Reduced |
| Aviva PLC | 110,570 | $19.3M | 0.04% | +107,492+3,492.3% | Added |
| Prosight Management, LP | 109,500 | $19.2M | 4.60% | +10,942+11.1% | Added |
| Voloridge Investment Management, LLC | 103,595 | $18.1M | 0.06% | −617,579−85.6% | Reduced |
| Running Oak Capital LLC | 98,335 | $17.2M | 1.93% | −8,883−8.3% | Reduced |
| Boone Capital Management LLC | 95,832 | $16.8M | 5.50% | 00.0% | Unchanged |
| Perry Creek Capital LP | 95,000 | $16.6M | 9.63% | +95,000 | New |
| Geode Capital Management, LLC | 93,718 | $16.4M | 0.00% | +9,348+11.1% | Added |
| Walleye Capital LLC | 89,116 | $15.6M | 0.13% | −90,192−50.3% | Reduced |
| Brown Advisory Inc | 88,619 | $15.5M | 0.02% | +15,266+20.8% | Added |
| FIL Ltd | 88,586 | $15.5M | 0.01% | −30,800−25.8% | Reduced |
| Vanguard Group Inc | 88,560 | $15.5M | 0.00% | −136,458−60.6% | Reduced |
| State of Michigan Retirement System | 85,070 | $14.9M | 0.07% | +15,400+22.1% | Added |
| Evergreen Quality Fund GP, Ltd. | 84,700 | $14.8M | 0.33% | +84,700 | New |
| Foresight Group Ltd Liability Partnership | 81,751 | $14.3M | 2.14% | +1,549+1.9% | Added |
| Walter Public Investments Inc. | 80,757 | $14.1M | 2.32% | −20,524−20.3% | Reduced |
| Farmers & Merchants Investments Inc | 80,038 | $14.0M | 0.40% | −7,535−8.6% | Reduced |