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 |
|---|---|---|---|---|---|
| Artisan Partners Limited Partnership | 7,184,870 | $1.05B | 1.56% | +2,893,946+67.4% | Added |
| Massachusetts Financial Services Co | 3,752,008 | $545.7M | 0.17% | +650,379+21.0% | Added |
| Wellington Management Group LLP | 3,661,869 | $532.6M | 0.10% | −31,290−0.8% | Reduced |
| Invesco Ltd. | 3,085,993 | $448.9M | 0.08% | +98,032+3.3% | Added |
| Ninety One UK Ltd | 2,993,652 | $435.4M | 1.02% | +75,465+2.6% | Added |
| D. E. Shaw & Co., Inc. | 2,434,011 | $354.0M | 0.35% | +772,275+46.5% | Added |
| Franklin Resources Inc | 2,034,227 | $295.9M | 0.08% | −65,808−3.1% | Reduced |
| FMR LLC | 1,964,430 | $285.7M | 0.02% | +71,643+3.8% | Added |
| Citadel Advisors LLC | 1,946,142 | $283.1M | 0.25% | +1,240,822+175.9% | Added |
| Ruane, Cunniff & Goldfarb L.P. | 1,708,183 | $248.5M | 4.26% | +453,833+36.2% | Added |
| Harris Associates L PSuperinvestorHarris Associates (Oakmark) | 1,638,059 | $238.3M | 0.39% | +1,638,059 | New |
| Alliancebernstein L.P. | 1,320,749 | $192.1M | 0.06% | −540,158−29.0% | Reduced |
| Price T Rowe Associates Inc | 1,187,587 | $172.7M | 0.02% | −522,638−30.6% | Reduced |
| 1832 Asset Management L.P. | 1,151,328 | $167.5M | 0.29% | +983,950+587.9% | Added |
| Clearbridge Investments, LLC | 1,148,066 | $167.0M | 0.14% | −696,392−37.8% | Reduced |
| Norges Bank | 1,090,679 | $158.6M | 0.02% | +48,082+4.6% | Added |
| Allspring Global Investments Holdings, LLC | 1,060,499 | $157.9M | 0.26% | +162,853+18.1% | Added |
| Comgest Global Investors S.A.S. | 1,064,884 | $154.9M | 2.64% | −124,202−10.4% | Reduced |
| Wgi DM, LLC | 1,010,092 | $146.9M | 7.58% | +462,550+84.5% | Added |
| UBS Group AG | 979,192 | $142.4M | 0.03% | +599,104+157.6% | Added |
| First Pacific Advisors, LP | 964,120 | $140.2M | 2.01% | +417,173+76.3% | Added |
| Manufacturers Life Insurance Company, The | 851,462 | $123.8M | 0.11% | +386,625+83.2% | Added |
| Trinity Street Asset Management LLP | 841,415 | $122.4M | 8.40% | +7,596+0.9% | Added |
| Morgan Stanley | 813,779 | $118.4M | 0.01% | +187,627+30.0% | Added |
| Janus Henderson Group PLC | 777,863 | $113.2M | 0.06% | −660,097−45.9% | Reduced |
| Qube Research & Technologies Ltd | 774,649 | $112.7M | 0.16% | +492,049+174.1% | Added |
| JPMorgan Chase & Co | 753,033 | $109.5M | 0.01% | −221,177−22.7% | Reduced |
| Voloridge Investment Management, LLC | 721,174 | $104.9M | 0.39% | +375,908+108.9% | Added |
| Lazard Asset Management LLC | 700,873 | $101.9M | 0.14% | −308,092−30.5% | Reduced |
| Bamco Inc | 690,623 | $100.5M | 0.27% | −13,862−2.0% | Reduced |
| Holocene Advisors, LP | 679,727 | $98.9M | 0.24% | +437,803+181.0% | Added |
| Balyasny Asset Management LLC | 651,868 | $94.8M | 0.22% | +651,868 | New |
| Fiduciary Management Inc | 650,560 | $94.6M | 0.91% | +217,135+50.1% | Added |
| Millennium Management LLC | 617,897 | $89.9M | 0.08% | +502,458+435.3% | Added |
| Bank of America Corp | 614,933 | $89.4M | 0.01% | −257,638−29.5% | Reduced |
| SEI Investments Co | 606,227 | $88.2M | 0.10% | +113,091+22.9% | Added |
| Earnest Partners LLC | 594,297 | $86.4M | 0.39% | +18,124+3.1% | Added |
| USS Investment Management Ltd | 569,635 | $82.9M | 0.52% | 00.0% | Unchanged |
| Equity Investment Corp | 565,586 | $82.3M | 1.80% | +565,586 | New |
| Polen Capital Management LLC | 540,410 | $78.6M | 0.24% | −94,642−14.9% | Reduced |
| Point72 Asset Management, L.P. | 535,792 | $77.9M | 0.18% | +478,845+840.9% | Added |
| American Century Companies Inc | 531,395 | $77.3M | 0.04% | +53,458+11.2% | Added |
| Goldman Sachs Group Inc | 503,237 | $73.2M | 0.01% | +92,346+22.5% | Added |
| BNP Paribas Arbitrage, SA | 487,409 | $70.9M | 0.06% | +290,258+147.2% | Added |
| Cantillon Capital Management LLC | 465,197 | $67.7M | 0.39% | +465,197 | New |
| Dimensional Fund Advisors LP | 456,137 | $66.3M | 0.02% | −1,723−0.4% | Reduced |
| Ninety One North America, Inc. | 428,851 | $62.4M | 3.06% | +72,945+20.5% | Added |
| State Street Corp | 417,586 | $60.7M | 0.00% | +61,811+17.4% | Added |
| Stephens Investment Management Group LLC | 414,840 | $60.3M | 0.80% | −13,984−3.3% | Reduced |
| Baupost Group LLCSuperinvestorBaupost Group | 405,000 | $58.9M | 1.43% | 00.0% | Unchanged |
| Principal Financial Group Inc | 390,538 | $56.8M | 0.03% | +88,390+29.3% | Added |
| Fisher Funds Management LTD | 386,693 | $56.2M | 1.34% | −129,973−25.2% | Reduced |
| Brown Brothers Harriman & Co | 364,821 | $53.1M | 0.34% | +99,670+37.6% | Added |
| Brandywine Global Investment Management, LLC | 354,775 | $51.1M | 0.36% | +220,381+164.0% | Added |
| Westfield Capital Management Co LP | 345,828 | $50.3M | 0.21% | −16,084−4.4% | Reduced |
| Orbis Allan Gray Ltd | 335,677 | $48.8M | 0.24% | +335,677 | New |
| BlackRock, Inc. | 326,554 | $47.5M | 0.00% | +27,315+9.1% | Added |
| Renaissance Technologies LLC | 324,824 | $47.2M | 0.06% | +145,900+81.5% | Added |
| Camber Capital Management LP | 300,000 | $43.6M | 6.08% | +300,000 | New |
| ExodusPoint Capital Management, LP | 293,343 | $42.7M | 0.52% | +293,343 | New |
| Mawer Investment Management Ltd. | 265,985 | $38.7M | 0.20% | −310,086−53.8% | Reduced |
| Legal & General Group Plc | 261,966 | $38.1M | 0.01% | −14,039−5.1% | Reduced |
| Diamond Hill Capital Management Inc | 261,613 | $38.1M | 0.17% | −4,253−1.6% | Reduced |
| Iron Triangle Partners LP | 250,000 | $36.4M | 5.75% | +250,000 | New |
| River Road Asset Management, LLC | 209,094 | $35.4M | 0.45% | +209,094 | New |
| Coho Partners, Ltd. | 231,343 | $33.6M | 2.51% | +231,343 | New |
| Vanguard Group Inc | 225,018 | $32.7M | 0.00% | +10,215+4.8% | Added |
| Employees Retirement System of Texas | 219,700 | $32.0M | 0.26% | −3,500−1.6% | Reduced |
| CIBC Private Wealth Group, LLC | 214,590 | $31.2M | 0.06% | −38,245−15.1% | Reduced |
| Neuberger Berman Group LLC | 208,286 | $30.3M | 0.02% | −553,413−72.7% | Reduced |
| Brandes Investment Partners, LP | 207,533 | $30.2M | 0.27% | +207,533 | New |
| Eagle Health Investments LP | 202,790 | $29.5M | 7.28% | −6,400−3.1% | Reduced |
| WCM Investment Management, LLC | 199,946 | $28.9M | 0.07% | −6,189,725−96.9% | Reduced |
| Lakewood Capital Management, LP | 195,200 | $28.4M | 2.16% | +195,200 | New |
| Canoe Financial LP | 193,851 | $28.2M | 0.40% | +18,174+10.3% | Added |
| Hudson Bay Capital Management LP | 193,000 | $28.1M | 0.18% | +193,000 | New |
| Macquarie Group Ltd | 191,985 | $27.9M | 0.03% | +20,224+11.8% | Added |
| Royal Bank of Canada | 186,904 | $27.2M | 0.01% | +87,878+88.7% | Added |
| Mak Capital One LLC | 184,087 | $26.8M | 4.72% | +184,087 | New |
| Raymond James Financial Inc | 179,768 | $26.1M | 0.01% | +31,261+21.1% | Added |
| Brown Capital Management LLC | 179,523 | $26.1M | 0.76% | −2,522−1.4% | Reduced |
| Canada Pension Plan Investment Board | 179,434 | $26.1M | 0.02% | +13,824+8.3% | Added |
| Walleye Capital LLC | 179,308 | $26.1M | 0.24% | +146,233+442.1% | Added |
| HGK Asset Management Inc | 178,575 | $26.0M | 4.44% | −2,990−1.6% | Reduced |
| Russell Investments Group, Ltd. | 177,154 | $25.8M | 0.03% | +18,198+11.4% | Added |
| Alyeska Investment Group, L.P. | 172,500 | $25.1M | 0.09% | −54,596−24.0% | Reduced |
| Jump Financial, LLC | 168,653 | $24.5M | 0.30% | +141,120+512.5% | Added |
| Envestnet Asset Management Inc | 160,152 | $23.3M | 0.01% | −211,892−57.0% | Reduced |
| Zuckerman Investment Group, LLC | 158,202 | $23.0M | 2.23% | +28,339+21.8% | Added |
| California Public Employees Retirement System | 155,062 | $22.6M | 0.01% | +7,107+4.8% | Added |
| Grandeur Peak Global Advisors, LLC | 150,532 | $21.9M | 2.64% | −88,510−37.0% | Reduced |
| Cubist Systematic Strategies, LLC | 136,314 | $19.8M | 0.21% | −26,127−16.1% | Reduced |
| Two Sigma Investments, LP | 132,625 | $19.3M | 0.03% | +132,625 | New |
| Amundi | 124,170 | $18.7M | 0.01% | −7,228−5.5% | Reduced |
| FIL Ltd | 119,386 | $17.4M | 0.01% | −539,888−81.9% | Reduced |
| Wells Fargo & Company | 110,857 | $16.1M | 0.00% | −73,974−40.0% | Reduced |
| Running Oak Capital LLC | 107,218 | $15.6M | 1.73% | +24,260+29.2% | Added |
| HRT Financial LP | 104,095 | $15.1M | 0.07% | +96,060+1,195.5% | Added |
| Ameriprise Financial Inc | 102,487 | $14.9M | 0.00% | −138,189−57.4% | Reduced |
| Walter Public Investments Inc. | 101,281 | $14.7M | 2.50% | −1,116−1.1% | Reduced |