IconICLR
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 515 institutions reported holding Icon PLC (ICLR) in their 13F filings, up 1 from Q3 2025. 62 opened new positions and 71 sold out. The largest holders were Artisan Partners Limited Partnership ($1.3B), Wellington Management Group LLP ($792.8M) and Orbis Allan Gray Ltd ($768.0M). 6 famous investors held it, including Bill Nygren (0.6% of Harris Associates (Oakmark Funds)'s portfolio), Ron Baron (0.3% of Baron Capital (BAMCO)'s portfolio) and David E. Shaw (0.1% of D. E. Shaw & Co.'s portfolio).
- Company
- Icon PLC
- CUSIP
- G4705A100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 62 | $686.9M |
| Exits | 71 | $289.1M |
All 13F filers, Q3 2025 → Q4 2025: 11,641,344 shares bought and 9,632,819 shares sold, net +2,008,525 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 515 holders
| Artisan Partners Limited Partnership | 1.92% | Reduce -2.8% | 6,873,977 | $1.3B |
| Wellington Management Group LLP | 0.14% | Reduce -6.2% | 4,350,750 | $792.8M |
| Orbis Allan Gray Ltd | 3.22% | Add +1.8% | 4,214,661 | $768.0M |
| Invesco Ltd. | 0.06% | Add +9.6% | 3,756,896 | $684.6M |
| FMR LLC | 0.03% | Add +60.2% | 3,097,895 | $564.5M |
| Principal Financial Group Inc. | 0.28% | Reduce -8.4% | 3,001,535 | $546.9M |
| Franklin Resources Inc. | 0.14% | Add +8.7% | 2,993,336 | $545.4M |
| Ninety One UK Ltd | 1.15% | Reduce -2.0% | 2,945,810 | $536.8M |
| Harris Associates (Oakmark Funds) | 0.58% | Add +7.2% | 2,510,166 | $457.4M |
| Massachusetts Financial Services Co. | 0.14% | Reduce -32.7% | 2,357,033 | $429.5M |
| Ruane, Cunniff & Goldfarb L.P. | 4.78% | Reduce -1.3% | 1,679,590 | $306.1M |
| Capital World Investors | 0.04% | Add +555.3% | 1,496,479 | $272.7M |
| Wgi Dm, LLC | 19.01% | Add +9.2% | 1,396,009 | $254.4M |
| Alliancebernstein L.P. | 0.07% | Reduce -7.4% | 1,272,462 | $231.9M |
| Boston Partners | 0.24% | Add +70.3% | 1,258,903 | $229.4M |
| 1832 Asset Management L.P. | 0.28% | Add +0.0% | 1,204,327 | $219.5M |
| Allspring Global Investments Holdings, LLC | 0.33% | Add +1.1% | 1,080,192 | $203.8M |
| Trinity Street Asset Management LLP | 12.28% | Add +23.1% | 1,072,428 | $195.4M |
| American Century Companies Inc. | 0.10% | Add +142.9% | 1,038,013 | $189.1M |
| First Pacific Advisors, LP | 2.40% | Add +0.7% | 980,804 | $178.7M |
| Lyrical Asset Management LP | 2.31% | New | 967,961 | $176.4M |
| Earnest Partners LLC | 0.69% | Add +9.9% | 890,076 | $162.2M |
| Norges Bank | 0.02% | — | 878,462 | $160.1M |
| Sei Investments Co. | 0.14% | Add +12.4% | 785,937 | $143.2M |
| Brandes Investment Partners, LP | 1.08% | Add +2.8% | 776,732 | $141.5M |
| JPMorgan Chase & Co. | 0.01% | Add +453.0% | 767,924 | $139.9M |
| Van Lanschot Kempen Investment Management N.V. | 1.16% | New | 743,548 | $135.5M |
| Jennison Associates LLC | 0.07% | New | 677,981 | $123.5M |
| D. E. Shaw & Co. | 0.10% | Reduce -55.8% | 653,319 | $119.0M |
| Equity Investment Corp. | 2.29% | Reduce -0.8% | 623,188 | $113.6M |
| Clearbridge Investments, LLC | 0.09% | Reduce -45.6% | 616,991 | $112.4M |
| Bank of America Corp. | 0.01% | Add +11.8% | 609,665 | $111.1M |
| Stephens Investment Management Group LLC | 1.29% | Add +13.1% | 542,996 | $98.9M |
| UBS Group AG | 0.02% | Add +19.6% | 538,637 | $98.2M |
| Baron Capital (BAMCO) | 0.26% | Reduce -22.0% | 534,248 | $97.4M |
| Dimensional Fund Advisors LP | 0.02% | Add +24.1% | 522,970 | $95.3M |
| Fisher Funds Management LTD | 2.41% | Add +19.0% | 513,102 | $93.2M |
| Altrinsic Global Advisors LLC | 3.32% | Add +67.4% | 507,824 | $92.5M |
| Fiduciary Management Inc. | 0.96% | Reduce -14.3% | 480,996 | $87.6M |
| River Road Asset Management, LLC | 0.95% | Add +55.6% | 475,413 | $86.6M |
| Morgan Stanley | 0.01% | Reduce -5.3% | 473,639 | $86.3M |
| Goldman Sachs Group Inc. | 0.01% | Add +5.4% | 473,175 | $86.2M |
| Ninety One North America, Inc. | 3.36% | Add +2.8% | 455,399 | $83.0M |
| Voya Investment Management LLC | 0.09% | Add +19424.2% | 438,319 | $79.9M |
| Brandywine Global Investment Management, LLC | 0.49% | Add +5.9% | 399,813 | $71.7M |
| BlackRock, Inc. | 0.00% | Add +48.7% | 377,843 | $68.9M |
| Lazard Asset Management LLC | 0.12% | Reduce -38.5% | 372,447 | $67.9M |
| State Street Corp. | 0.00% | Add +0.6% | 361,206 | $65.8M |
| Samlyn Capital, LLC | 0.98% | New | 337,681 | $61.5M |
| Lakewood Capital Management, LP | 4.22% | Add +39.0% | 332,500 | $60.6M |
| Brown Brothers Harriman & Co. | 0.29% | Reduce -21.5% | 289,433 | $52.7M |
| Qube Research & Technologies Ltd | 0.08% | Reduce -48.3% | 289,135 | $52.7M |
| Thrivent Financial for Lutherans | 0.09% | New | 283,502 | $51.7M |
| Russell Investments Group, Ltd. | 0.06% | Add +14.4% | 280,935 | $51.2M |
| Nomura Asset Management International Inc. | 0.07% | — | 270,059 | $49.2M |
| Hudson Edge Investment Partners Inc. | 7.03% | Add +29.8% | 260,449 | $47.5M |
| Janus Henderson Group PLC | 0.02% | Add +12.7% | 248,279 | $45.2M |
| Eagle Health Investments LP | 9.89% | Add +35.3% | 247,090 | $45.0M |
| New York State Common Retirement Fund | 0.06% | Add +9.6% | 246,366 | $44.9M |
| Manufacturers Life Insurance Company, The | 0.04% | Add +14.6% | 242,504 | $44.2M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.22% | Add +2.0% | 239,142 | $43.6M |
| Ilex Capital Partners (UK) LLP | 1.09% | New | 211,898 | $38.6M |
| CIBC Private Wealth Group LLC | 0.06% | Reduce -8.3% | 205,316 | $37.4M |
| Point72 Asset Management | 0.06% | Reduce -58.0% | 194,150 | $35.4M |
| Canoe Financial LP | 0.48% | Reduce -2.0% | 193,917 | $35.3M |
| Raymond James Financial Inc. | 0.01% | Reduce -14.8% | 191,107 | $34.8M |
| Ameriprise Financial Inc. | 0.01% | Add +6.8% | 184,100 | $33.5M |
| Canada Pension Plan Investment Board | 0.02% | Add +31.8% | 176,741 | $32.2M |
| Holocene Advisors, LP | 0.06% | Reduce -58.7% | 161,983 | $29.5M |
| Neuberger Berman Group LLC | 0.02% | Reduce -10.2% | 160,822 | $29.3M |
| California Public Employees Retirement System | 0.02% | Reduce -0.6% | 156,052 | $28.4M |
| Zuckerman Investment Group, LLC | 2.54% | Add +2.6% | 155,643 | $28.4M |
| Legal & General Group Plc | 0.01% | Add +7.7% | 147,715 | $26.9M |
| Philosophy Capital Management LLC | 3.07% | Add +80.9% | 144,055 | $26.2M |
| Walleye Capital LLC | 0.15% | Add +50.7% | 134,281 | $24.5M |
| Sio Capital Management, LLC | 3.84% | New | 127,202 | $23.2M |
| Brown Capital Management LLC | 1.86% | Reduce -26.8% | 124,638 | $22.7M |
| PFM Health Sciences, LP | 2.16% | Reduce -13.7% | 115,336 | $21.0M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -23.8% | 115,145 | $21.0M |
| Hudson Bay Capital Management LP | 0.13% | No change | 114,000 | $20.8M |
| Prosight Management, LP | 4.14% | Add +0.5% | 110,000 | $20.0M |
| Aviva PLC | 0.03% | Reduce -1.4% | 109,074 | $19.9M |
| Polen Capital Management LLC | 0.08% | Reduce -76.3% | 105,206 | $19.2M |
| Wells Fargo & Company | 0.00% | Reduce -29.2% | 104,563 | $19.1M |
| Eversept Partners, LP | 0.98% | Add +74.2% | 95,832 | $17.5M |
| Perry Creek Capital LP | 10.39% | No change | 95,000 | $17.3M |
| Brown Advisory Inc. | 0.02% | Add +4.2% | 92,356 | $16.8M |
| Geode Capital Management, LLC | 0.00% | Reduce -2.2% | 91,673 | $16.7M |
| Royal Bank of Canada | 0.00% | Reduce -49.6% | 91,503 | $16.7M |
| Vanguard Group Inc. | 0.00% | Add +3.3% | 91,496 | $16.7M |
| Running Oak Capital LLC | 2.09% | Reduce -7.0% | 91,472 | $16.7M |
| State of Michigan Retirement System | 0.08% | No change | 85,070 | $15.5M |
| Farmers & Merchants Investments Inc. | 0.41% | Add +0.7% | 80,575 | $14.7M |
| Parthenon LLC | 1.56% | Reduce -0.7% | 79,203 | $14.4M |
| Foresight Group Ltd Liability Partnership | 2.17% | Reduce -1.1% | 80,893 | $14.4M |
| Balyasny Asset Management L.P. | 0.03% | New | 75,528 | $13.8M |
| Hound Partners, LLC | 1.89% | No change | 75,000 | $13.7M |
| Cambiar Investors LLC | 0.61% | Reduce -5.3% | 74,822 | $13.6M |
| Muhlenkamp & Co. Inc. | 3.62% | Add +0.5% | 73,865 | $13.5M |
| Braidwell LP | 0.51% | New | 73,370 | $13.4M |
"% of holder's portfolio" is ICLR's weight in each manager's 13F, not the share of Icon PLC the manager owns.