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.
Superinvestors holding ICLR, Q2 2026
2 superinvestors report holding Icon PLC on Form 13F, worth $1.31B in total. Weight is Icon PLC's share of each 13F portfolio; actions compare shares with Q1 2026.
| Superinvestor | % of portfolio | Shares | Value | vs. previous quarter |
|---|---|---|---|---|
| Harris Associates (Oakmark)Bill Nygren | 1.0% | 4,468,146 | $776.2M | Added+2.7% |
| Greenhaven AssociatesEdgar Wachenheim III | 6.2% | 3,100,615 | $538.6M | Added+54.8% |
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of ICLR each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
2 superinvestors holding at quarter end
- Added
- Harris Associates (Oakmark) (+2.7%), Greenhaven Associates (+54.8%)
- Sold out
- Maverick Capital
Q1 2026
3 superinvestors holding at quarter end
- New
- Maverick Capital
- Added
- Harris Associates (Oakmark) (+73.3%), Greenhaven Associates (+11,412.1%)
Q4 2025
2 superinvestors holding at quarter end
- Added
- Harris Associates (Oakmark) (+7.2%)
- Reduced
- Greenhaven Associates (−0.1%)
Q3 2025
2 superinvestors holding at quarter end
- Added
- Harris Associates (Oakmark) (+43.0%)
- Reduced
- Greenhaven Associates (−1.3%)
- Sold out
- Baupost Group, Maverick Capital
Q2 2025
4 superinvestors holding at quarter end
Q1 2025
2 superinvestors holding at quarter end
- New
- Baupost Group
- Added
- Maverick Capital (+119.7%)
Q4 2024
1 superinvestor holding at quarter end
Q2 2021
0 superinvestors holding at quarter end
- Sold out
- Maverick Capital