ICLR fund manager activity
ICON PLC · US. Reported by 18 tracked fund managers in their 13F filings, Q2 2013 to Q2 2026.
Q2 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Ron Baron - Baron Capital | Trimmed | 690,623 | $100,451,115 | 0.27% | Aug 14, 2025 |
| Seth Klarman - Baupost Group | No change | 405,000 | $58,907,000 | 1.43% | Aug 13, 2025 |
| Glenn Greenberg - Brave Warrior Advisors | No change | 5,000 | $727,250 | 0.02% | Aug 14, 2025 |
| William Von Mueffling - Cantillon Capital Management | New | 465,197 | $67,662,904 | 0.39% | Feb 17, 2026 |
| First Pacific Advisors | Added | 964,120 | $140,231,254 | 2.04% | Aug 1, 2025 |
| Greenhaven Associates | New | 17,633 | $2,564,720 | 0.04% | Jul 8, 2025 |
| Lee Ainslie - Maverick Capital | No change | 4,301 | $625,580 | 0.01% | Aug 14, 2025 |
| Bill Nygren - Oakmark Funds | New | 1,638,059 | $238,255,682 | 0.39% | Aug 14, 2025 |
| Polen Capital Management | Trimmed | 540,410 | $78,602,580 | 0.24% | Aug 13, 2025 |
| Ruane Cunniff LP | Added | 1,708,183 | $248,455,217 | 4.26% | Aug 14, 2025 |
Q1 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Ron Baron - Baron Capital | Trimmed | 704,485 | $123,277,830 | 0.36% | May 15, 2025 |
| Seth Klarman - Baupost Group | New | 405,000 | $70,871,000 | 2.04% | May 14, 2025 |
| Glenn Greenberg - Brave Warrior Advisors | Added | 5,000 | $874,950 | 0.02% | May 15, 2025 |
| Sarah Ketterer - Causeway Capital Management | Sold out | — | — | 0.00% | May 14, 2025 |
| First Pacific Advisors | Added | 546,947 | $95,710,256 | 1.55% | May 6, 2025 |
| Lee Ainslie - Maverick Capital | Added | 4,301 | $752,632 | 0.01% | May 15, 2025 |
| Polen Capital Management | Trimmed | 635,052 | $111,127,679 | 0.35% | May 12, 2025 |
| Ruane Cunniff LP | Trimmed | 1,254,350 | $219,498,707 | 3.99% | May 15, 2025 |
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