Who owns ICON PLC (ICLR)? Elite investor 13F holders
9 tracked elite investors reported holding ICON PLC as of 2026-06-30, including Oakmark Funds, Brave Warrior Advisors, Greenhaven Associates, Ruane Cunniff LP, D.E. Shaw. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.
9 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Pharmaceuticals, Biotechnology & Life Sciences
ICON Public Limited Company, a clinical research organization, provides outsourced development and commercialization services in Ireland, Europe, the United States, and internationally. The company specializes in the strategic development, management, and analysis of programs that support various stages of the clinical development process from compound selection to Phase I-IV clinical studies. It…
Reported holders and securities, including exits (up to 20)
| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|---|---|---|---|---|---|---|---|---|---|
| Oakmark Funds | ICON PLC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 776161642.00 USD | 4468146.000000 | Shares | add | Original filing |
| Brave Warrior Advisors | ICON PLC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 547761133.00 USD | 3153308.000000 | Shares | add | Original filing |
| Greenhaven Associates | ICON PLC | SHARE | 2026-06-30 | 2026-07-28 00:00:00 | 538607832.00 USD | 3100615.000000 | Shares | add | Original filing |
| Ruane Cunniff LP | ICON PLC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 355773193.00 USD | 2048087.000000 | Shares | add | Original filing |
| D.E. Shaw | ICON PLC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 235749311.00 USD | 1357143.000000 | Shares | add | Original filing |
| Sachem Head Capital | ICON PLC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
| First Pacific Advisors | ICON PLC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 105359110.00 USD | 606523.000000 | Shares | reduce | Original filing |
| Sound Shore | ICON PLC | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
| Impactive Capital | ICON PLC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
| Muhlenkamp & Company | ICON PLC | SHARE | 2026-06-30 | 2026-08-18 00:00:00 | 11523400.00 USD | 66337.000000 | Shares | add | Original filing |
| Tudor Investment | ICON PLC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 4563362.00 USD | 26270.000000 | Shares | reduce | Original filing |
| Pleasant Lake Partners | ICON PLC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
| Maverick Capital | ICON PLC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
| Renaissance Technologies LLC | ICON PLC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 781695.00 USD | 4500.000000 | Shares | buy | Original filing |
| Ancora Advisors / Ancora Holdings | ICON PLC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.
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