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, Q1 2025
Institutional positions in Icon PLC as of Mar 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
- 562
- −23 vs. Q4 2024
- Shares held
- 75.8M
- −297.4K (−0.4%) vs. Q4 2024
- Total value
- $13.3B
- −$2.68B (−16.8%) vs. Q4 2024
- New holders
- 72
- 192 more added
- Sold out
- 95
- 225 more reduced
11 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Brown Brothers Harriman & Co | 265,151 | $46.4M | 0.32% | +49,770+23.1% | Added |
| Diamond Hill Capital Management Inc | 265,866 | $46.5M | 0.21% | +38,480+16.9% | Added |
| Legal & General Group Plc | 276,005 | $48.3M | 0.01% | −3,486−1.2% | Reduced |
| Two Creeks Capital Management, LP | 276,531 | $48.4M | 3.09% | −21,107−7.1% | Reduced |
| Qube Research & Technologies Ltd | 282,600 | $49.5M | 0.08% | +27,300+10.7% | Added |
| BlackRock, Inc. | 299,239 | $52.4M | 0.00% | +37,484+14.3% | Added |
| Southpoint Capital Advisors LP | 300,000 | $52.5M | 1.27% | +300,000 | New |
| Principal Financial Group Inc | 302,148 | $52.9M | 0.03% | −321,041−51.5% | Reduced |
| Voloridge Investment Management, LLC | 345,266 | $60.4M | 0.22% | −175,470−33.7% | Reduced |
| State Street Corp | 355,775 | $62.3M | 0.00% | +14,997+4.4% | Added |
| Ninety One North America, Inc. | 355,906 | $62.3M | 4.19% | +48,533+15.8% | Added |
| Westfield Capital Management Co LP | 361,912 | $63.3M | 0.31% | −241,087−40.0% | Reduced |
| Envestnet Asset Management Inc | 372,044 | $65.1M | 0.02% | −58,188−13.5% | Reduced |
| UBS Group AG | 380,088 | $66.5M | 0.01% | −3,950−1.0% | Reduced |
| Fayez Sarofim & Co | 385,636 | $68.8M | 0.17% | −44,344−10.3% | Reduced |
| Oddo BHF Asset Management SAS | 395,559 | $69.2M | 2.84% | −134,727−25.4% | Reduced |
| Baupost Group LLCSuperinvestorBaupost Group | 405,000 | $70.9M | 2.03% | +405,000 | New |
| Goldman Sachs Group Inc | 410,891 | $71.9M | 0.01% | −106,606−20.6% | Reduced |
| Stephens Investment Management Group LLC | 428,824 | $75.0M | 1.08% | +7,754+1.8% | Added |
| Fiduciary Management Inc | 433,425 | $75.8M | 0.73% | −10,675−2.4% | Reduced |
| Northern Trust Corp | 446,020 | $78.0M | 0.01% | +16,921+3.9% | Added |
| Dimensional Fund Advisors LP | 457,860 | $80.1M | 0.02% | +23,910+5.5% | Added |
| Manufacturers Life Insurance Company, The | 464,837 | $81.3M | 0.08% | −19,105−3.9% | Reduced |
| American Century Companies Inc | 477,937 | $83.6M | 0.05% | +147,222+44.5% | Added |
| SEI Investments Co | 493,136 | $86.3M | 0.11% | +199,409+67.9% | Added |
| Fisher Funds Management LTD | 516,666 | $90.4M | 2.19% | −53,020−9.3% | Reduced |
| First Pacific Advisors, LP | 546,947 | $95.7M | 1.53% | +95,190+21.1% | Added |
| Wgi DM, LLC | 547,542 | $95.8M | 6.74% | +547,542 | New |
| USS Investment Management Ltd | 569,635 | $99.7M | 0.76% | +740.0% | Added |
| Mawer Investment Management Ltd. | 576,071 | $100.8M | 0.49% | −25,132−4.2% | Reduced |
| Earnest Partners LLC | 576,173 | $100.8M | 0.48% | +23,150+4.2% | Added |
| Boston Partners | 604,919 | $105.8M | 0.13% | −26,643−4.2% | Reduced |
| Morgan Stanley | 626,152 | $109.6M | 0.01% | −235,484−27.3% | Reduced |
| Polen Capital Management LLC | 635,052 | $111.1M | 0.35% | −76,458−10.7% | Reduced |
| FIL Ltd | 659,274 | $115.4M | 0.11% | −176,043−21.1% | Reduced |
| CCLA Investment Management Ltd | 659,912 | $115.4M | 2.04% | +12,983+2.0% | Added |
| Bamco Inc | 704,485 | $123.3M | 0.36% | −29,682−4.0% | Reduced |
| Citadel Advisors LLC | 705,320 | $123.4M | 0.12% | +133,715+23.4% | Added |
| Neuberger Berman Group LLC | 761,699 | $133.3M | 0.11% | +2,124+0.3% | Added |
| Trinity Street Asset Management LLP | 833,819 | $145.9M | 14.77% | −5,946−0.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 897,646 | $149.5M | 0.26% | +160,132+21.7% | Added |
| Bank of America Corp | 872,571 | $152.7M | 0.01% | −1,415−0.2% | Reduced |
| JPMorgan Chase & Co | 974,210 | $170.5M | 0.01% | −98,750−9.2% | Reduced |
| Lazard Asset Management LLC | 1,008,965 | $176.6M | 0.27% | −825,242−45.0% | Reduced |
| Norges Bank | 1,042,597 | $182.4M | 0.03% | +36,220+3.6% | Added |
| Comgest Global Investors S.A.S. | 1,189,086 | $208.1M | 3.71% | +16,334+1.4% | Added |
| Ruane, Cunniff & Goldfarb L.P. | 1,254,350 | $219.5M | 3.99% | −11,190−0.9% | Reduced |
| Janus Henderson Group PLC | 1,437,960 | $257.5M | 0.14% | −48,086−3.2% | Reduced |
| Sustainable Growth Advisers, LP | 1,511,838 | $264.6M | 1.48% | −81,881−5.1% | Reduced |
| D. E. Shaw & Co., Inc. | 1,661,736 | $290.8M | 0.35% | +545,531+48.9% | Added |
| Price T Rowe Associates Inc | 1,710,225 | $299.3M | 0.04% | −1,223,335−41.7% | Reduced |
| Clearbridge Investments, LLC | 1,844,458 | $322.8M | 0.28% | −207,519−10.1% | Reduced |
| Alliancebernstein L.P. | 1,860,907 | $325.6M | 0.12% | +39,457+2.2% | Added |
| FMR LLC | 1,892,787 | $331.2M | 0.02% | +565,174+42.6% | Added |
| Franklin Resources Inc | 2,100,035 | $367.5M | 0.11% | −71,159−3.3% | Reduced |
| Ninety One UK Ltd | 2,918,187 | $510.7M | 1.42% | −28,766−1.0% | Reduced |
| Invesco Ltd. | 2,987,961 | $522.9M | 0.10% | +1,094,613+57.8% | Added |
| Massachusetts Financial Services Co | 3,101,629 | $542.8M | 0.18% | −100,132−3.1% | Reduced |
| Wellington Management Group LLP | 3,693,159 | $646.3M | 0.12% | +1,579,915+74.8% | Added |
| Artisan Partners Limited Partnership | 4,290,924 | $750.9M | 1.22% | +4,095,633+2,097.2% | Added |
| WCM Investment Management, LLC | 6,389,671 | $1.14B | 2.94% | +54,781+0.9% | Added |
| Transamerica Financial Advisors, Inc. | 1 | – | – | −401−99.8% | Reduced |
| Proequities, Inc. | 0 | $0 | 0.00% | −179−100.0% | Sold out |
| BlueSpruce Investments, LP | 0 | $0 | 0.00% | −1,223,117−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −1,060,320−100.0% | Sold out |
| AustralianSuper Pty Ltd | 0 | $0 | 0.00% | −599,952−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −271,065−100.0% | Sold out |
| Orbis Allan Gray Ltd | 0 | $0 | 0.00% | −244,857−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −193,982−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −151,343−100.0% | Sold out |
| Clark Capital Management Group, Inc. | 0 | $0 | 0.00% | −103,318−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −88,739−100.0% | Sold out |
| Hardman Johnston Global Advisors LLC | 0 | $0 | 0.00% | −60,306−100.0% | Sold out |
| Premier Fund Managers Ltd | 0 | $0 | 0.00% | −52,359−100.0% | Sold out |
| Globeflex Capital L P | 0 | $0 | 0.00% | −48,363−100.0% | Sold out |
| Barlow Wealth Partners, Inc. | 0 | $0 | 0.00% | −46,359−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −35,227−100.0% | Sold out |
| Montanaro Asset Management Ltd | 0 | $0 | 0.00% | −31,700−100.0% | Sold out |
| Retirement Systems of Alabama | 0 | $0 | 0.00% | −26,653−100.0% | Sold out |
| Mizuho Markets Americas LLC | 0 | $0 | 0.00% | −22,692−100.0% | Sold out |
| Artemis Investment Management LLP | 0 | $0 | 0.00% | −21,005−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −19,677−100.0% | Sold out |
| Banque Pictet & Cie SA | 0 | $0 | 0.00% | −16,465−100.0% | Sold out |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −15,874−100.0% | Sold out |
| Meridiem Capital Partners LP | 0 | $0 | 0.00% | −14,739−100.0% | Sold out |
| SGL Investment Advisors, Inc. | 0 | $0 | 0.00% | −16,172−100.0% | Sold out |
| Pacific Capital Partners Ltd | 0 | $0 | 0.00% | −10,618−100.0% | Sold out |
| Cumberland Partners Ltd | 0 | $0 | 0.00% | −10,470−100.0% | Sold out |
| Cynosure Management, LLC | 0 | $0 | 0.00% | −10,358−100.0% | Sold out |
| Mitchell Capital Management Co | 0 | $0 | 0.00% | −7,658−100.0% | Sold out |
| Richard P Slaughter Associates Inc | 0 | $0 | 0.00% | −6,865−100.0% | Sold out |
| GAM Holding AG | 0 | $0 | 0.00% | −5,584−100.0% | Sold out |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0 | $0 | 0.00% | −5,508−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −4,904−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −4,703−100.0% | Sold out |
| JLB & Associates Inc | 0 | $0 | 0.00% | −4,256−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −4,013−100.0% | Sold out |
| Montag & Caldwell, LLC | 0 | $0 | 0.00% | −2,670−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −2,609−100.0% | Sold out |
| Yorktown Management & Research Co Inc | 0 | $0 | 0.00% | −2,450−100.0% | Sold out |