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, Q2 2025
Institutional positions in Icon PLC as of Jun 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
- 489
- −66 vs. Q1 2025
- Shares held
- 77.0M
- +1.43M (+1.9%) vs. Q1 2025
- Total value
- $11.2B
- −$2.05B (−15.5%) vs. Q1 2025
- New holders
- 70
- 156 more added
- Sold out
- 136
- 206 more reduced
7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Zuckerman Investment Group, LLC | 158,202 | $23.0M | 2.23% | +28,339+21.8% | Added |
| Envestnet Asset Management Inc | 160,152 | $23.3M | 0.01% | −211,892−57.0% | Reduced |
| Jump Financial, LLC | 168,653 | $24.5M | 0.30% | +141,120+512.5% | Added |
| Alyeska Investment Group, L.P. | 172,500 | $25.1M | 0.09% | −54,596−24.0% | Reduced |
| Russell Investments Group, Ltd. | 177,154 | $25.8M | 0.03% | +18,198+11.4% | Added |
| HGK Asset Management Inc | 178,575 | $26.0M | 4.44% | −2,990−1.6% | Reduced |
| Walleye Capital LLC | 179,308 | $26.1M | 0.24% | +146,233+442.1% | Added |
| Canada Pension Plan Investment Board | 179,434 | $26.1M | 0.02% | +13,824+8.3% | Added |
| Brown Capital Management LLC | 179,523 | $26.1M | 0.76% | −2,522−1.4% | Reduced |
| Raymond James Financial Inc | 179,768 | $26.1M | 0.01% | +31,261+21.1% | Added |
| Mak Capital One LLC | 184,087 | $26.8M | 4.72% | +184,087 | New |
| Royal Bank of Canada | 186,904 | $27.2M | 0.01% | +87,878+88.7% | Added |
| Macquarie Group Ltd | 191,985 | $27.9M | 0.03% | +20,224+11.8% | Added |
| Hudson Bay Capital Management LP | 193,000 | $28.1M | 0.18% | +193,000 | New |
| Canoe Financial LP | 193,851 | $28.2M | 0.40% | +18,174+10.3% | Added |
| Lakewood Capital Management, LP | 195,200 | $28.4M | 2.16% | +195,200 | New |
| WCM Investment Management, LLC | 199,946 | $28.9M | 0.07% | −6,189,725−96.9% | Reduced |
| Eagle Health Investments LP | 202,790 | $29.5M | 7.28% | −6,400−3.1% | Reduced |
| Brandes Investment Partners, LP | 207,533 | $30.2M | 0.27% | +207,533 | New |
| Neuberger Berman Group LLC | 208,286 | $30.3M | 0.02% | −553,413−72.7% | Reduced |
| CIBC Private Wealth Group, LLC | 214,590 | $31.2M | 0.06% | −38,245−15.1% | Reduced |
| Employees Retirement System of Texas | 219,700 | $32.0M | 0.26% | −3,500−1.6% | Reduced |
| Vanguard Group Inc | 225,018 | $32.7M | 0.00% | +10,215+4.8% | Added |
| Coho Partners, Ltd. | 231,343 | $33.6M | 2.51% | +231,343 | New |
| River Road Asset Management, LLC | 209,094 | $35.4M | 0.45% | +209,094 | New |
| Iron Triangle Partners LP | 250,000 | $36.4M | 5.75% | +250,000 | New |
| Diamond Hill Capital Management Inc | 261,613 | $38.1M | 0.17% | −4,253−1.6% | Reduced |
| Legal & General Group Plc | 261,966 | $38.1M | 0.01% | −14,039−5.1% | Reduced |
| Mawer Investment Management Ltd. | 265,985 | $38.7M | 0.20% | −310,086−53.8% | Reduced |
| ExodusPoint Capital Management, LP | 293,343 | $42.7M | 0.52% | +293,343 | New |
| Camber Capital Management LP | 300,000 | $43.6M | 6.08% | +300,000 | New |
| Renaissance Technologies LLC | 324,824 | $47.2M | 0.06% | +145,900+81.5% | Added |
| BlackRock, Inc. | 326,554 | $47.5M | 0.00% | +27,315+9.1% | Added |
| Orbis Allan Gray Ltd | 335,677 | $48.8M | 0.24% | +335,677 | New |
| Westfield Capital Management Co LP | 345,828 | $50.3M | 0.21% | −16,084−4.4% | Reduced |
| Brandywine Global Investment Management, LLC | 354,775 | $51.1M | 0.36% | +220,381+164.0% | Added |
| Brown Brothers Harriman & Co | 364,821 | $53.1M | 0.34% | +99,670+37.6% | Added |
| Fisher Funds Management LTD | 386,693 | $56.2M | 1.34% | −129,973−25.2% | Reduced |
| Principal Financial Group Inc | 390,538 | $56.8M | 0.03% | +88,390+29.3% | Added |
| Baupost Group LLCSuperinvestorBaupost Group | 405,000 | $58.9M | 1.43% | 00.0% | Unchanged |
| Stephens Investment Management Group LLC | 414,840 | $60.3M | 0.80% | −13,984−3.3% | Reduced |
| State Street Corp | 417,586 | $60.7M | 0.00% | +61,811+17.4% | Added |
| Ninety One North America, Inc. | 428,851 | $62.4M | 3.06% | +72,945+20.5% | Added |
| Dimensional Fund Advisors LP | 456,137 | $66.3M | 0.02% | −1,723−0.4% | Reduced |
| Cantillon Capital Management LLC | 465,197 | $67.7M | 0.39% | +465,197 | New |
| BNP Paribas Arbitrage, SA | 487,409 | $70.9M | 0.06% | +290,258+147.2% | Added |
| Goldman Sachs Group Inc | 503,237 | $73.2M | 0.01% | +92,346+22.5% | Added |
| American Century Companies Inc | 531,395 | $77.3M | 0.04% | +53,458+11.2% | Added |
| Point72 Asset Management, L.P. | 535,792 | $77.9M | 0.18% | +478,845+840.9% | Added |
| Polen Capital Management LLC | 540,410 | $78.6M | 0.24% | −94,642−14.9% | Reduced |
| Equity Investment Corp | 565,586 | $82.3M | 1.80% | +565,586 | New |
| USS Investment Management Ltd | 569,635 | $82.9M | 0.52% | 00.0% | Unchanged |
| Earnest Partners LLC | 594,297 | $86.4M | 0.39% | +18,124+3.1% | Added |
| SEI Investments Co | 606,227 | $88.2M | 0.10% | +113,091+22.9% | Added |
| Bank of America Corp | 614,933 | $89.4M | 0.01% | −257,638−29.5% | Reduced |
| Millennium Management LLC | 617,897 | $89.9M | 0.08% | +502,458+435.3% | Added |
| Fiduciary Management Inc | 650,560 | $94.6M | 0.91% | +217,135+50.1% | Added |
| Balyasny Asset Management LLC | 651,868 | $94.8M | 0.22% | +651,868 | New |
| Holocene Advisors, LP | 679,727 | $98.9M | 0.24% | +437,803+181.0% | Added |
| Bamco Inc | 690,623 | $100.5M | 0.27% | −13,862−2.0% | Reduced |
| Lazard Asset Management LLC | 700,873 | $101.9M | 0.14% | −308,092−30.5% | Reduced |
| Voloridge Investment Management, LLC | 721,174 | $104.9M | 0.39% | +375,908+108.9% | Added |
| JPMorgan Chase & Co | 753,033 | $109.5M | 0.01% | −221,177−22.7% | Reduced |
| Qube Research & Technologies Ltd | 774,649 | $112.7M | 0.16% | +492,049+174.1% | Added |
| Janus Henderson Group PLC | 777,863 | $113.2M | 0.06% | −660,097−45.9% | Reduced |
| Morgan Stanley | 813,779 | $118.4M | 0.01% | +187,627+30.0% | Added |
| Trinity Street Asset Management LLP | 841,415 | $122.4M | 8.40% | +7,596+0.9% | Added |
| Manufacturers Life Insurance Company, The | 851,462 | $123.8M | 0.11% | +386,625+83.2% | Added |
| First Pacific Advisors, LP | 964,120 | $140.2M | 2.01% | +417,173+76.3% | Added |
| UBS Group AG | 979,192 | $142.4M | 0.03% | +599,104+157.6% | Added |
| Wgi DM, LLC | 1,010,092 | $146.9M | 7.58% | +462,550+84.5% | Added |
| Comgest Global Investors S.A.S. | 1,064,884 | $154.9M | 2.64% | −124,202−10.4% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,060,499 | $157.9M | 0.26% | +162,853+18.1% | Added |
| Norges Bank | 1,090,679 | $158.6M | 0.02% | +48,082+4.6% | Added |
| Clearbridge Investments, LLC | 1,148,066 | $167.0M | 0.14% | −696,392−37.8% | Reduced |
| 1832 Asset Management L.P. | 1,151,328 | $167.5M | 0.29% | +983,950+587.9% | Added |
| Price T Rowe Associates Inc | 1,187,587 | $172.7M | 0.02% | −522,638−30.6% | Reduced |
| Alliancebernstein L.P. | 1,320,749 | $192.1M | 0.06% | −540,158−29.0% | Reduced |
| Harris Associates L PSuperinvestorHarris Associates (Oakmark) | 1,638,059 | $238.3M | 0.39% | +1,638,059 | New |
| Ruane, Cunniff & Goldfarb L.P. | 1,708,183 | $248.5M | 4.26% | +453,833+36.2% | Added |
| Citadel Advisors LLC | 1,946,142 | $283.1M | 0.25% | +1,240,822+175.9% | Added |
| FMR LLC | 1,964,430 | $285.7M | 0.02% | +71,643+3.8% | Added |
| Franklin Resources Inc | 2,034,227 | $295.9M | 0.08% | −65,808−3.1% | Reduced |
| D. E. Shaw & Co., Inc. | 2,434,011 | $354.0M | 0.35% | +772,275+46.5% | Added |
| Ninety One UK Ltd | 2,993,652 | $435.4M | 1.02% | +75,465+2.6% | Added |
| Invesco Ltd. | 3,085,993 | $448.9M | 0.08% | +98,032+3.3% | Added |
| Wellington Management Group LLP | 3,661,869 | $532.6M | 0.10% | −31,290−0.8% | Reduced |
| Massachusetts Financial Services Co | 3,752,008 | $545.7M | 0.17% | +650,379+21.0% | Added |
| Artisan Partners Limited Partnership | 7,184,870 | $1.05B | 1.56% | +2,893,946+67.4% | Added |
| Sustainable Growth Advisers, LP | 0 | $0 | 0.00% | −1,511,838−100.0% | Sold out |
| CCLA Investment Management Ltd | 0 | $0 | 0.00% | −659,912−100.0% | Sold out |
| Southpoint Capital Advisors LP | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Two Creeks Capital Management, LP | 0 | $0 | 0.00% | −276,531−100.0% | Sold out |
| Pertento Partners LLP | 0 | $0 | 0.00% | −239,048−100.0% | Sold out |
| Sio Capital Management, LLC | 0 | $0 | 0.00% | −203,311−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −185,707−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −163,327−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −161,875−100.0% | Sold out |
| Renaissance Group LLC | 0 | $0 | 0.00% | −138,032−100.0% | Sold out |
| Clarkston Capital Partners, LLC | 0 | $0 | 0.00% | −133,465−100.0% | Sold out |