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 |
|---|---|---|---|---|---|
| Charles Schwab Investment Management Inc | 54,464 | $9.92M | 0.00% | +8,657+18.9% | Added |
| Firetrail Investments Pty Ltd | 54,976 | $10.1M | 3.30% | +1,711+3.2% | Added |
| DekaBank Deutsche Girozentrale | 30,885 | $10.3M | 0.02% | 00.0% | Unchanged |
| Moore Capital Management, LP | 57,190 | $10.4M | 0.21% | +28,116+96.7% | Added |
| Palisade Capital Management LLC | 58,533 | $10.7M | 0.32% | −6,372−9.8% | Reduced |
| Kelly Lawrence W & Associates Inc | 60,116 | $11.0M | 2.66% | −140−0.2% | Reduced |
| Edmond de Rothschild Holding S.A. | 61,332 | $11.2M | 0.16% | +15,589+34.1% | Added |
| Bank of Montreal | 61,865 | $11.3M | 0.00% | −17,326−21.9% | Reduced |
| Motley Fool Asset Management LLC | 63,342 | $11.5M | 0.45% | −2,413−3.7% | Reduced |
| Hyperion Capital Advisors LP | 66,021 | $12.0M | 5.89% | +16,757+34.0% | Added |
| Standard Life Aberdeen plc | 66,063 | $12.0M | 0.02% | +62,325+1,667.3% | Added |
| Distillate Capital Partners LLC | 66,140 | $12.1M | 0.62% | −1,398−2.1% | Reduced |
| Loomis Sayles & Co L P | 67,577 | $12.3M | 0.01% | +2,866+4.4% | Added |
| Frontier Capital Management Co LLC | 72,744 | $13.3M | 0.14% | +3,455+5.0% | Added |
| Braidwell LP | 73,370 | $13.4M | 0.43% | +73,370 | New |
| Muhlenkamp & Co Inc | 73,865 | $13.5M | 3.62% | +398+0.5% | Added |
| Cambiar Investors LLC | 74,822 | $13.6M | 0.61% | −4,208−5.3% | Reduced |
| Hound Partners, LLC | 75,000 | $13.7M | 1.89% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 75,528 | $13.8M | 0.03% | +75,528 | New |
| Foresight Group Ltd Liability Partnership | 80,893 | $14.4M | 2.31% | −858−1.0% | Reduced |
| Parthenon LLC | 79,203 | $14.4M | 1.56% | −582−0.7% | Reduced |
| Farmers & Merchants Investments Inc | 80,575 | $14.7M | 0.41% | +537+0.7% | Added |
| State of Michigan Retirement System | 85,070 | $15.5M | 0.08% | 00.0% | Unchanged |
| Running Oak Capital LLC | 91,472 | $16.7M | 2.09% | −6,863−7.0% | Reduced |
| Vanguard Group Inc | 91,496 | $16.7M | 0.00% | +2,936+3.3% | Added |
| Royal Bank of Canada | 91,503 | $16.7M | 0.00% | −90,240−49.7% | Reduced |
| Geode Capital Management, LLC | 91,673 | $16.7M | 0.00% | −2,045−2.2% | Reduced |
| Brown Advisory Inc | 92,356 | $16.8M | 0.02% | +3,737+4.2% | Added |
| Perry Creek Capital LP | 95,000 | $17.3M | 10.39% | 00.0% | Unchanged |
| Eversept Partners, LP | 95,832 | $17.5M | 0.98% | +40,807+74.2% | Added |
| Wells Fargo & Company | 104,563 | $19.1M | 0.00% | −43,062−29.2% | Reduced |
| Polen Capital Management LLC | 105,206 | $19.2M | 0.08% | −338,255−76.3% | Reduced |
| Aviva PLC | 109,074 | $19.9M | 0.03% | −1,496−1.4% | Reduced |
| Prosight Management, LP | 110,000 | $20.0M | 4.14% | +500+0.5% | Added |
| Hudson Bay Capital Management LP | 114,000 | $20.8M | 0.12% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 115,145 | $21.0M | 0.01% | −35,941−23.8% | Reduced |
| PFM Health Sciences, LP | 115,336 | $21.0M | 2.13% | −18,347−13.7% | Reduced |
| Brown Capital Management LLC | 124,638 | $22.7M | 1.86% | −45,703−26.8% | Reduced |
| Sio Capital Management, LLC | 127,202 | $23.2M | 3.84% | +127,202 | New |
| Walleye Capital LLC | 134,281 | $24.5M | 0.14% | +45,165+50.7% | Added |
| Philosophy Capital Management LLC | 144,055 | $26.2M | 3.07% | +64,421+80.9% | Added |
| Legal & General Group Plc | 147,715 | $26.9M | 0.01% | +10,609+7.7% | Added |
| Zuckerman Investment Group, LLC | 155,643 | $28.4M | 2.53% | +3,897+2.6% | Added |
| California Public Employees Retirement System | 156,052 | $28.4M | 0.02% | −981−0.6% | Reduced |
| Neuberger Berman Group LLC | 160,822 | $29.3M | 0.02% | −18,292−10.2% | Reduced |
| Holocene Advisors, LP | 161,983 | $29.5M | 0.06% | −230,523−58.7% | Reduced |
| Canada Pension Plan Investment Board | 176,741 | $32.2M | 0.02% | +42,658+31.8% | Added |
| Ameriprise Financial Inc | 184,100 | $33.5M | 0.01% | +11,700+6.8% | Added |
| Raymond James Financial Inc | 191,107 | $34.8M | 0.01% | −33,279−14.8% | Reduced |
| Canoe Financial LP | 193,917 | $35.3M | 0.48% | −4,053−2.0% | Reduced |
| Point72 Asset Management, L.P. | 194,150 | $35.4M | 0.06% | −267,898−58.0% | Reduced |
| CIBC Private Wealth Group, LLC | 205,316 | $37.4M | 0.06% | −18,495−8.3% | Reduced |
| Ilex Capital Partners (UK) LLP | 211,898 | $38.6M | 1.09% | +211,898 | New |
| Diamond Hill Capital Management Inc | 239,142 | $43.6M | 0.22% | +4,702+2.0% | Added |
| Manufacturers Life Insurance Company, The | 242,504 | $44.2M | 0.04% | +30,917+14.6% | Added |
| New York State Common Retirement Fund | 246,366 | $44.9M | 0.06% | +21,581+9.6% | Added |
| Eagle Health Investments LP | 247,090 | $45.0M | 9.89% | +64,500+35.3% | Added |
| Janus Henderson Group PLC | 248,279 | $45.2M | 0.02% | +28,008+12.7% | Added |
| HGK Asset Management Inc | 260,449 | $47.5M | 7.03% | +59,710+29.7% | Added |
| Nomura Asset Management International Inc. | 270,059 | $49.2M | 0.07% | +270,059 | New |
| Russell Investments Group, Ltd. | 280,935 | $51.2M | 0.06% | +35,288+14.4% | Added |
| Thrivent Financial for Lutherans | 283,502 | $51.7M | 0.09% | +283,502 | New |
| Qube Research & Technologies Ltd | 289,135 | $52.7M | 0.08% | −269,698−48.3% | Reduced |
| Brown Brothers Harriman & Co | 289,433 | $52.7M | 0.29% | −79,210−21.5% | Reduced |
| Lakewood Capital Management, LP | 332,500 | $60.6M | 4.22% | +93,300+39.0% | Added |
| Samlyn Capital, LLC | 337,681 | $61.5M | 0.98% | +337,681 | New |
| State Street Corp | 361,206 | $65.8M | 0.00% | +2,291+0.6% | Added |
| Lazard Asset Management LLC | 372,447 | $67.9M | 0.12% | −233,071−38.5% | Reduced |
| BlackRock, Inc. | 377,843 | $68.9M | 0.00% | +123,784+48.7% | Added |
| Brandywine Global Investment Management, LLC | 399,813 | $71.7M | 0.48% | +22,393+5.9% | Added |
| Voya Investment Management LLC | 438,319 | $79.9M | 0.08% | +436,074+19,424.2% | Added |
| Ninety One North America, Inc. | 455,399 | $83.0M | 3.36% | +12,552+2.8% | Added |
| Goldman Sachs Group Inc | 473,175 | $86.2M | 0.01% | +24,408+5.4% | Added |
| Morgan Stanley | 473,639 | $86.3M | 0.01% | −26,741−5.3% | Reduced |
| River Road Asset Management, LLC | 475,413 | $86.6M | 0.95% | +169,860+55.6% | Added |
| Fiduciary Management Inc | 480,996 | $87.6M | 0.96% | −79,942−14.3% | Reduced |
| Altrinsic Global Advisors LLC | 507,824 | $92.5M | 3.32% | +204,416+67.4% | Added |
| Fisher Funds Management LTD | 513,102 | $93.2M | 2.41% | +82,019+19.0% | Added |
| Dimensional Fund Advisors LP | 522,970 | $95.3M | 0.02% | +101,682+24.1% | Added |
| Bamco Inc | 534,248 | $97.4M | 0.26% | −150,693−22.0% | Reduced |
| UBS Group AG | 538,637 | $98.2M | 0.02% | +88,076+19.5% | Added |
| Stephens Investment Management Group LLC | 542,996 | $98.9M | 1.29% | +62,892+13.1% | Added |
| Bank of America Corp | 609,665 | $111.1M | 0.01% | +64,388+11.8% | Added |
| Clearbridge Investments, LLC | 616,991 | $112.4M | 0.09% | −517,449−45.6% | Reduced |
| Equity Investment Corp | 623,188 | $113.6M | 2.29% | −5,041−0.8% | Reduced |
| D. E. Shaw & Co., Inc. | 653,319 | $119.0M | 0.09% | −823,782−55.8% | Reduced |
| Jennison Associates LLC | 677,981 | $123.5M | 0.07% | +677,981 | New |
| Kempen Capital Management N.V. | 743,548 | $135.5M | 1.16% | +743,548 | New |
| JPMorgan Chase & Co | 767,924 | $139.9M | 0.01% | +629,056+453.0% | Added |
| Brandes Investment Partners, LP | 776,732 | $141.5M | 1.08% | +21,072+2.8% | Added |
| SEI Investments Co | 785,937 | $143.2M | 0.14% | +86,663+12.4% | Added |
| Norges Bank | 878,462 | $160.1M | 0.02% | +878,462 | New |
| Earnest Partners LLC | 890,076 | $162.2M | 0.70% | +80,424+9.9% | Added |
| Lyrical Asset Management LP | 967,961 | $176.4M | 2.49% | +967,961 | New |
| First Pacific Advisors, LP | 980,804 | $178.7M | 2.35% | +6,479+0.7% | Added |
| American Century Companies Inc | 1,038,013 | $189.1M | 0.10% | +610,668+142.9% | Added |
| Trinity Street Asset Management LLP | 1,072,428 | $195.4M | 12.28% | +201,455+23.1% | Added |
| Allspring Global Investments Holdings, LLC | 1,080,192 | $203.8M | 0.33% | +11,335+1.1% | Added |
| 1832 Asset Management L.P. | 1,204,327 | $219.5M | 0.28% | +2020.0% | Added |
| Boston Partners | 1,258,903 | $229.4M | 0.24% | +519,768+70.3% | Added |