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, Q4 2025
Institutional positions in Icon PLC as of Dec 31, 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
- 514
- +12 vs. Q3 2025
- Shares held
- 77.4M
- +3.18M (+4.3%) vs. Q3 2025
- Total value
- $14.1B
- +$1.12B (+8.6%) vs. Q3 2025
- New holders
- 84
- 157 more added
- Sold out
- 72
- 193 more reduced
11 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Artisan Partners Limited Partnership | 6,873,977 | $1.25B | 1.92% | −197,383−2.8% | Reduced |
| Wellington Management Group LLP | 4,350,750 | $792.8M | 0.14% | −286,387−6.2% | Reduced |
| Orbis Allan Gray Ltd | 4,214,661 | $768.0M | 3.22% | +75,843+1.8% | Added |
| Invesco Ltd. | 3,756,896 | $684.6M | 0.06% | +329,266+9.6% | Added |
| FMR LLC | 3,097,895 | $564.5M | 0.03% | +1,164,657+60.2% | Added |
| Principal Financial Group Inc | 3,001,535 | $546.9M | 0.28% | −275,758−8.4% | Reduced |
| Franklin Resources Inc | 2,993,336 | $545.4M | 0.13% | +239,808+8.7% | Added |
| Ninety One UK Ltd | 2,945,810 | $536.8M | 1.15% | −60,331−2.0% | Reduced |
| Harris Associates L PSuperinvestorHarris Associates (Oakmark) | 2,510,166 | $457.4M | 0.58% | +167,607+7.2% | Added |
| Massachusetts Financial Services Co | 2,357,033 | $429.5M | 0.14% | −1,146,520−32.7% | Reduced |
| Ruane, Cunniff & Goldfarb L.P. | 1,679,590 | $306.1M | 4.78% | −21,404−1.3% | Reduced |
| Capital World Investors | 1,496,479 | $272.7M | 0.04% | +1,268,095+555.2% | Added |
| Wgi DM, LLC | 1,396,009 | $254.4M | 19.01% | +118,029+9.2% | Added |
| Alliancebernstein L.P. | 1,272,462 | $231.9M | 0.07% | −101,612−7.4% | Reduced |
| Boston Partners | 1,258,903 | $229.4M | 0.24% | +519,768+70.3% | Added |
| 1832 Asset Management L.P. | 1,204,327 | $219.5M | 0.28% | +2020.0% | Added |
| Allspring Global Investments Holdings, LLC | 1,080,192 | $203.8M | 0.33% | +11,335+1.1% | Added |
| Trinity Street Asset Management LLP | 1,072,428 | $195.4M | 12.28% | +201,455+23.1% | Added |
| American Century Companies Inc | 1,038,013 | $189.1M | 0.10% | +610,668+142.9% | Added |
| First Pacific Advisors, LP | 980,804 | $178.7M | 2.35% | +6,479+0.7% | Added |
| Lyrical Asset Management LP | 967,961 | $176.4M | 2.49% | +967,961 | New |
| Earnest Partners LLC | 890,076 | $162.2M | 0.70% | +80,424+9.9% | Added |
| Norges Bank | 878,462 | $160.1M | 0.02% | +878,462 | New |
| SEI Investments Co | 785,937 | $143.2M | 0.14% | +86,663+12.4% | Added |
| Brandes Investment Partners, LP | 776,732 | $141.5M | 1.08% | +21,072+2.8% | Added |
| JPMorgan Chase & Co | 767,924 | $139.9M | 0.01% | +629,056+453.0% | Added |
| Kempen Capital Management N.V. | 743,548 | $135.5M | 1.16% | +743,548 | New |
| Jennison Associates LLC | 677,981 | $123.5M | 0.07% | +677,981 | New |
| D. E. Shaw & Co., Inc. | 653,319 | $119.0M | 0.09% | −823,782−55.8% | Reduced |
| Equity Investment Corp | 623,188 | $113.6M | 2.29% | −5,041−0.8% | Reduced |
| Clearbridge Investments, LLC | 616,991 | $112.4M | 0.09% | −517,449−45.6% | Reduced |
| Bank of America Corp | 609,665 | $111.1M | 0.01% | +64,388+11.8% | Added |
| Stephens Investment Management Group LLC | 542,996 | $98.9M | 1.29% | +62,892+13.1% | Added |
| UBS Group AG | 538,637 | $98.2M | 0.02% | +88,076+19.5% | Added |
| Bamco Inc | 534,248 | $97.4M | 0.26% | −150,693−22.0% | Reduced |
| Dimensional Fund Advisors LP | 522,970 | $95.3M | 0.02% | +101,682+24.1% | Added |
| Fisher Funds Management LTD | 513,102 | $93.2M | 2.41% | +82,019+19.0% | Added |
| Altrinsic Global Advisors LLC | 507,824 | $92.5M | 3.32% | +204,416+67.4% | Added |
| Fiduciary Management Inc | 480,996 | $87.6M | 0.96% | −79,942−14.3% | Reduced |
| River Road Asset Management, LLC | 475,413 | $86.6M | 0.95% | +169,860+55.6% | Added |
| Morgan Stanley | 473,639 | $86.3M | 0.01% | −26,741−5.3% | Reduced |
| Goldman Sachs Group Inc | 473,175 | $86.2M | 0.01% | +24,408+5.4% | Added |
| Ninety One North America, Inc. | 455,399 | $83.0M | 3.36% | +12,552+2.8% | Added |
| Voya Investment Management LLC | 438,319 | $79.9M | 0.08% | +436,074+19,424.2% | Added |
| Brandywine Global Investment Management, LLC | 399,813 | $71.7M | 0.48% | +22,393+5.9% | Added |
| BlackRock, Inc. | 377,843 | $68.9M | 0.00% | +123,784+48.7% | Added |
| Lazard Asset Management LLC | 372,447 | $67.9M | 0.12% | −233,071−38.5% | Reduced |
| State Street Corp | 361,206 | $65.8M | 0.00% | +2,291+0.6% | Added |
| Samlyn Capital, LLC | 337,681 | $61.5M | 0.98% | +337,681 | New |
| Lakewood Capital Management, LP | 332,500 | $60.6M | 4.22% | +93,300+39.0% | Added |
| Brown Brothers Harriman & Co | 289,433 | $52.7M | 0.29% | −79,210−21.5% | Reduced |
| Qube Research & Technologies Ltd | 289,135 | $52.7M | 0.08% | −269,698−48.3% | Reduced |
| Thrivent Financial for Lutherans | 283,502 | $51.7M | 0.09% | +283,502 | New |
| Russell Investments Group, Ltd. | 280,935 | $51.2M | 0.06% | +35,288+14.4% | Added |
| Nomura Asset Management International Inc. | 270,059 | $49.2M | 0.07% | +270,059 | New |
| HGK Asset Management Inc | 260,449 | $47.5M | 7.03% | +59,710+29.7% | Added |
| Janus Henderson Group PLC | 248,279 | $45.2M | 0.02% | +28,008+12.7% | Added |
| Eagle Health Investments LP | 247,090 | $45.0M | 9.89% | +64,500+35.3% | Added |
| New York State Common Retirement Fund | 246,366 | $44.9M | 0.06% | +21,581+9.6% | Added |
| Manufacturers Life Insurance Company, The | 242,504 | $44.2M | 0.04% | +30,917+14.6% | Added |
| Diamond Hill Capital Management Inc | 239,142 | $43.6M | 0.22% | +4,702+2.0% | Added |
| Ilex Capital Partners (UK) LLP | 211,898 | $38.6M | 1.09% | +211,898 | New |
| CIBC Private Wealth Group, LLC | 205,316 | $37.4M | 0.06% | −18,495−8.3% | Reduced |
| Point72 Asset Management, L.P. | 194,150 | $35.4M | 0.06% | −267,898−58.0% | Reduced |
| Canoe Financial LP | 193,917 | $35.3M | 0.48% | −4,053−2.0% | Reduced |
| Raymond James Financial Inc | 191,107 | $34.8M | 0.01% | −33,279−14.8% | Reduced |
| Ameriprise Financial Inc | 184,100 | $33.5M | 0.01% | +11,700+6.8% | Added |
| Canada Pension Plan Investment Board | 176,741 | $32.2M | 0.02% | +42,658+31.8% | Added |
| Holocene Advisors, LP | 161,983 | $29.5M | 0.06% | −230,523−58.7% | Reduced |
| Neuberger Berman Group LLC | 160,822 | $29.3M | 0.02% | −18,292−10.2% | Reduced |
| California Public Employees Retirement System | 156,052 | $28.4M | 0.02% | −981−0.6% | Reduced |
| Zuckerman Investment Group, LLC | 155,643 | $28.4M | 2.53% | +3,897+2.6% | Added |
| Legal & General Group Plc | 147,715 | $26.9M | 0.01% | +10,609+7.7% | Added |
| Philosophy Capital Management LLC | 144,055 | $26.2M | 3.07% | +64,421+80.9% | Added |
| Walleye Capital LLC | 134,281 | $24.5M | 0.14% | +45,165+50.7% | Added |
| Sio Capital Management, LLC | 127,202 | $23.2M | 3.84% | +127,202 | New |
| Brown Capital Management LLC | 124,638 | $22.7M | 1.86% | −45,703−26.8% | Reduced |
| PFM Health Sciences, LP | 115,336 | $21.0M | 2.13% | −18,347−13.7% | Reduced |
| Envestnet Asset Management Inc | 115,145 | $21.0M | 0.01% | −35,941−23.8% | Reduced |
| Hudson Bay Capital Management LP | 114,000 | $20.8M | 0.12% | 00.0% | Unchanged |
| Prosight Management, LP | 110,000 | $20.0M | 4.14% | +500+0.5% | Added |
| Aviva PLC | 109,074 | $19.9M | 0.03% | −1,496−1.4% | Reduced |
| Polen Capital Management LLC | 105,206 | $19.2M | 0.08% | −338,255−76.3% | Reduced |
| Wells Fargo & Company | 104,563 | $19.1M | 0.00% | −43,062−29.2% | Reduced |
| Eversept Partners, LP | 95,832 | $17.5M | 0.98% | +40,807+74.2% | Added |
| Perry Creek Capital LP | 95,000 | $17.3M | 10.39% | 00.0% | Unchanged |
| Brown Advisory Inc | 92,356 | $16.8M | 0.02% | +3,737+4.2% | Added |
| Geode Capital Management, LLC | 91,673 | $16.7M | 0.00% | −2,045−2.2% | Reduced |
| Royal Bank of Canada | 91,503 | $16.7M | 0.00% | −90,240−49.7% | Reduced |
| Vanguard Group Inc | 91,496 | $16.7M | 0.00% | +2,936+3.3% | Added |
| Running Oak Capital LLC | 91,472 | $16.7M | 2.09% | −6,863−7.0% | Reduced |
| State of Michigan Retirement System | 85,070 | $15.5M | 0.08% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 80,575 | $14.7M | 0.41% | +537+0.7% | Added |
| Parthenon LLC | 79,203 | $14.4M | 1.56% | −582−0.7% | Reduced |
| Foresight Group Ltd Liability Partnership | 80,893 | $14.4M | 2.31% | −858−1.0% | Reduced |
| Balyasny Asset Management LLC | 75,528 | $13.8M | 0.03% | +75,528 | New |
| Hound Partners, LLC | 75,000 | $13.7M | 1.89% | 00.0% | Unchanged |
| Cambiar Investors LLC | 74,822 | $13.6M | 0.61% | −4,208−5.3% | Reduced |
| Muhlenkamp & Co Inc | 73,865 | $13.5M | 3.62% | +398+0.5% | Added |
| Braidwell LP | 73,370 | $13.4M | 0.43% | +73,370 | New |