IconICLR
13F holders, Q2 2025 (June 30)489holders −73
63new positions
135sold out
10famous investors
$145.31avg. 13F price*
At the end of Q2 2025, 489 institutions reported holding Icon PLC (ICLR) in their 13F filings, down 73 from Q1 2025. 63 opened new positions and 135 sold out. The largest holders were Artisan Partners Limited Partnership ($1.0B), Massachusetts Financial Services Co. ($545.7M) and Wellington Management Group LLP ($532.6M). 10 famous investors held it, including Seth Klarman (1.4% of Baupost Group's portfolio), Bill Nygren (0.4% of Harris Associates (Oakmark Funds)'s portfolio) and David E. Shaw (0.4% of D. E. Shaw & Co.'s portfolio).
- Company
- Icon PLC
- CUSIP
- G4705A100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 63 | $928.8M |
| Exits | 135 | $831.6M |
All 13F filers, Q1 2025 → Q2 2025: 20,948,262 shares bought and 19,587,142 shares sold, net +1,361,120 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 489 holders
| Artisan Partners Limited Partnership | 1.56% | Add +67.4% | 7,184,870 | $1.0B |
| Massachusetts Financial Services Co. | 0.17% | Add +21.0% | 3,752,008 | $545.7M |
| Wellington Management Group LLP | 0.10% | Reduce -0.8% | 3,661,869 | $532.6M |
| Invesco Ltd. | 0.08% | Add +3.3% | 3,085,993 | $448.9M |
| Ninety One UK Ltd | 1.02% | Add +2.6% | 2,993,652 | $435.4M |
| D. E. Shaw & Co. | 0.38% | Add +46.5% | 2,434,011 | $354.0M |
| Franklin Resources Inc. | 0.08% | Reduce -3.1% | 2,034,227 | $295.9M |
| FMR LLC | 0.02% | Add +3.8% | 1,964,430 | $285.7M |
| Citadel Advisors | 0.25% | Add +175.9% | 1,946,142 | $283.1M |
| Ruane, Cunniff & Goldfarb L.P. | 4.26% | Add +36.2% | 1,708,183 | $248.5M |
| Harris Associates (Oakmark Funds) | 0.39% | New | 1,638,059 | $238.3M |
| Alliancebernstein L.P. | 0.06% | Reduce -29.0% | 1,320,749 | $192.1M |
| T. Rowe Price Associates Inc. | 0.02% | Reduce -30.6% | 1,187,587 | $172.7M |
| 1832 Asset Management L.P. | 0.29% | Add +587.9% | 1,151,328 | $167.5M |
| Clearbridge Investments, LLC | 0.14% | Reduce -37.8% | 1,148,066 | $167.0M |
| Norges Bank | 0.02% | Add +4.6% | 1,090,679 | $158.6M |
| Allspring Global Investments Holdings, LLC | 0.26% | Add +18.1% | 1,060,499 | $157.9M |
| Comgest Global Investors S.A.S. | 2.64% | Reduce -10.4% | 1,064,884 | $154.9M |
| Wgi Dm, LLC | 7.58% | Add +84.5% | 1,010,092 | $146.9M |
| UBS Group AG | 0.03% | Add +157.6% | 979,192 | $142.4M |
| First Pacific Advisors, LP | 2.04% | Add +76.3% | 964,120 | $140.2M |
| Manufacturers Life Insurance Company, The | 0.11% | Add +83.2% | 851,462 | $123.8M |
| Trinity Street Asset Management LLP | 8.40% | Add +0.9% | 841,415 | $122.4M |
| Morgan Stanley | 0.01% | Add +30.0% | 813,779 | $118.4M |
| Janus Henderson Group PLC | 0.06% | Reduce -45.9% | 777,863 | $113.2M |
| Qube Research & Technologies Ltd | 0.16% | Add +174.1% | 774,649 | $112.7M |
| JPMorgan Chase & Co. | 0.01% | Reduce -22.7% | 753,033 | $109.5M |
| Voloridge Investment Management, LLC | 0.39% | Add +108.9% | 721,174 | $104.9M |
| Lazard Asset Management LLC | 0.16% | Reduce -30.5% | 700,873 | $101.9M |
| Baron Capital (BAMCO) | 0.27% | Reduce -2.0% | 690,623 | $100.5M |
| Holocene Advisors, LP | 0.24% | Add +181.0% | 679,727 | $98.9M |
| Balyasny Asset Management L.P. | 0.22% | New | 651,868 | $94.8M |
| Fiduciary Management Inc. | 0.91% | Add +50.1% | 650,560 | $94.6M |
| Millennium Management | 0.08% | Add +435.3% | 617,897 | $89.9M |
| Bank of America Corp. | 0.01% | Reduce -29.5% | 614,933 | $89.4M |
| Sei Investments Co. | 0.10% | Add +22.9% | 606,227 | $88.2M |
| Earnest Partners LLC | 0.39% | Add +3.1% | 594,297 | $86.4M |
| USS Investment Management Ltd | 0.52% | No change | 569,635 | $82.9M |
| Equity Investment Corp. | 1.80% | New | 565,586 | $82.3M |
| Polen Capital Management LLC | 0.24% | Reduce -14.9% | 540,410 | $78.6M |
| Point72 Asset Management | 0.19% | Add +840.9% | 535,792 | $77.9M |
| American Century Companies Inc. | 0.04% | Add +11.2% | 531,395 | $77.3M |
| Goldman Sachs Group Inc. | 0.01% | Add +22.5% | 503,237 | $73.2M |
| BNP Paribas Financial Markets | 0.06% | Add +147.2% | 487,409 | $70.9M |
| Cantillon Capital Management LLC | 0.39% | New | 465,197 | $67.7M |
| Dimensional Fund Advisors LP | 0.02% | Reduce -0.4% | 456,137 | $66.3M |
| Ninety One North America, Inc. | 3.06% | Add +20.5% | 428,851 | $62.4M |
| State Street Corp. | 0.00% | Add +17.4% | 417,586 | $60.7M |
| Stephens Investment Management Group LLC | 0.80% | Reduce -3.3% | 414,840 | $60.3M |
| Baupost Group | 1.43% | No change | 405,000 | $58.9M |
| Principal Financial Group Inc. | 0.03% | Add +29.3% | 390,538 | $56.8M |
| Fisher Funds Management LTD | 1.34% | Reduce -25.2% | 386,693 | $56.2M |
| Brown Brothers Harriman & Co. | 0.34% | Add +37.6% | 364,821 | $53.1M |
| Brandywine Global Investment Management, LLC | 0.36% | Add +164.0% | 354,775 | $51.1M |
| Westfield Capital Management Co. LP | 0.21% | Reduce -4.4% | 345,828 | $50.3M |
| Orbis Allan Gray Ltd | 0.24% | New | 335,677 | $48.8M |
| BlackRock, Inc. | 0.00% | Add +9.1% | 326,554 | $47.5M |
| Renaissance Technologies | 0.06% | Add +81.5% | 324,824 | $47.2M |
| Camber Capital Management LP | 6.08% | New | 300,000 | $43.6M |
| ExodusPoint Capital Management, LP | 0.52% | New | 293,343 | $42.7M |
| Mawer Investment Management Ltd. | 0.20% | Reduce -53.8% | 265,985 | $38.7M |
| Legal & General Group Plc | 0.01% | Reduce -5.1% | 261,966 | $38.1M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.17% | Reduce -1.6% | 261,613 | $38.1M |
| Iron Triangle Partners LP | 5.75% | New | 250,000 | $36.4M |
| River Road Asset Management, LLC | 0.45% | New | 209,094 | $35.4M |
| Coho Partners, Ltd. | 2.51% | New | 231,343 | $33.6M |
| Vanguard Group Inc. | 0.00% | Add +4.8% | 225,018 | $32.7M |
| Employees Retirement System of Texas | 0.31% | Reduce -1.6% | 219,700 | $32.0M |
| CIBC Private Wealth Group LLC | 0.06% | Reduce -15.1% | 214,590 | $31.2M |
| Neuberger Berman Group LLC | 0.02% | Reduce -72.7% | 208,286 | $30.3M |
| Brandes Investment Partners, LP | 0.27% | New | 207,533 | $30.2M |
| Eagle Health Investments LP | 7.28% | Reduce -3.1% | 202,790 | $29.5M |
| WCM Investment Management, LLC | 0.07% | Reduce -96.9% | 199,946 | $28.9M |
| Lakewood Capital Management, LP | 2.16% | New | 195,200 | $28.4M |
| Canoe Financial LP | 0.40% | Add +10.3% | 193,851 | $28.2M |
| Hudson Bay Capital Management LP | 0.21% | New | 193,000 | $28.1M |
| Macquarie Group Ltd. | 0.03% | Add +11.8% | 191,985 | $27.9M |
| Royal Bank of Canada | 0.01% | Add +88.7% | 186,904 | $27.2M |
| Mak Capital One LLC | 4.72% | New | 184,087 | $26.8M |
| Raymond James Financial Inc. | 0.01% | Add +21.1% | 179,768 | $26.1M |
| Brown Capital Management LLC | 0.76% | Reduce -1.4% | 179,523 | $26.1M |
| Canada Pension Plan Investment Board | 0.02% | Add +8.3% | 179,434 | $26.1M |
| Walleye Capital LLC | 0.27% | Add +442.1% | 179,308 | $26.1M |
| Hudson Edge Investment Partners Inc. | 4.44% | Reduce -1.6% | 178,575 | $26.0M |
| Russell Investments Group, Ltd. | 0.03% | Add +11.4% | 177,154 | $25.8M |
| Alyeska Investment Group, L.P. | 0.09% | Reduce -24.0% | 172,500 | $25.1M |
| Jump Financial, LLC | 0.31% | Add +512.5% | 168,653 | $24.5M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -57.0% | 160,152 | $23.3M |
| Zuckerman Investment Group, LLC | 2.24% | Add +21.8% | 158,202 | $23.0M |
| California Public Employees Retirement System | 0.01% | Add +4.8% | 155,062 | $22.6M |
| Grandeur Peak Global Advisors, LLC | 2.64% | Reduce -37.0% | 150,532 | $21.9M |
| Cubist Systematic Strategies, LLC | 0.21% | Reduce -16.1% | 136,314 | $19.8M |
| Two Sigma Investments, LP | 0.04% | New | 132,625 | $19.3M |
| Amundi | 0.01% | Reduce -5.5% | 124,170 | $18.7M |
| FIL Ltd | 0.01% | Reduce -81.9% | 119,386 | $17.4M |
| Wells Fargo & Company | 0.00% | Reduce -40.0% | 110,857 | $16.1M |
| Running Oak Capital LLC | 1.73% | Add +29.2% | 107,218 | $15.6M |
| HRT Financial LP | 0.07% | Add +1195.5% | 104,095 | $15.1M |
| Ameriprise Financial Inc. | 0.00% | Reduce -57.4% | 102,487 | $14.9M |
| Walter Public Investments Inc. | 2.50% | Reduce -1.1% | 101,281 | $14.7M |
"% of holder's portfolio" is ICLR's weight in each manager's 13F, not the share of Icon PLC the manager owns.