ICON
Runs outsourced clinical development programs for drug and medical-device makers worldwide.
$170.02
After-hours close+0.12 (+0.07%)
At close$169.90(+0.11%)
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Breakdown13F · Form 4
Institutions 104.97%Insiders 0.54%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 76.57M · Float 75.85M · 99.1% free float
Institutions13F, as of Jun 30, 2026
448 holders · 80.37M shares · 89 new positions · 238 increased · 139 reduced · 85 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Artisan Partners Limited Partnership | 8.64M | 11.28% | +357.5K | Aug 13, 2026 |
| Wellington Management Group LLP | 5.32M | 6.95% | −593.0K | Aug 14, 2026 |
| FMR LLC | 5.27M | 6.88% | +1.10M | Aug 13, 2026 |
| Invesco Ltd. | 5.26M | 6.88% | +1.39M | Aug 14, 2026 |
| Harris Associates L P | 4.47M | 5.84% | +116.8K | Aug 14, 2026 |
| Brave Warrior Advisors, LLC | 3.15M | 4.12% | +156.5K | Aug 14, 2026 |
| Greenhaven Associates Inc | 3.10M | 4.05% | +1.10M | Jul 28, 2026 |
| Principal Financial Group Inc | 2.95M | 3.85% | −360.8K | Aug 4, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Artisan Partners Asset Management Inc. | 10.90% | 8.36M | 13G | Mar 6, 2026 ↗ |
| Wellington Management Group LLP | 7.70% | 5.91M | 13G | May 15, 2026 ↗ |
| Harris Associates L P | 5.70% | 4.35M | 13G | May 15, 2026 ↗ |
| FMR LLC | 5.50% | 4.17M | 13G | May 6, 2026 ↗ |
| Invesco Ltd. | 5.10% | 3.88M | 13G | May 6, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| John Dr Climax | director | 287.2K | 0.38% | Aug 12, 2026 |
| Stephen A. Cutler | director | 79.3K | 0.10% | Mar 18, 2026 |
| Ciaran Murray | director | 20.5K | 0.03% | Aug 12, 2026 |
| Linda Grais | director | 6.2K | 0.01% | Aug 12, 2026 |
| Nigel Bernard John Clerkin | officer: Chief Financial Officer | 5.9K | 0.01% | Aug 12, 2026 |
| Barry Edward Balfe | director, officer: Chief Executive Officer | 4.8K | 0.01% | Aug 11, 2026 |
| Ronan Martin Murphy | director | 3.8K | 0.01% | Aug 12, 2026 |
| Eugene Pacelli McCague | director | 3.8K | 0.00% | Aug 12, 2026 |
| Julie O'Neill | director | 3.5K | 0.00% | Aug 12, 2026 |
| Anne Clem Whitaker | director | 891 | 0.00% | Aug 12, 2026 |
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 11, 2026 | Ronan Martin Murphydirector | Sale · 4 lots | 841 | $164.29 | 3,847 |
| Aug 11, 2026 | Ciaran Murraydirector | Sale · 4 lots | 2,677 | $164.29 | 20,452 |
| Aug 11, 2026 | Julie O'Neilldirector | Sale · 4 lots | 915 | $164.29 | 3,515 |
| Aug 11, 2026 | Anne Clem Whitakerdirector | Sale · 4 lots | 841 | $164.29 | 891 |
| Aug 11, 2026 | Eugene Pacelli McCaguedirector | Sale · 4 lots | 841 | $164.29 | 3,811 |
| Aug 11, 2026 | Nigel Bernard John Clerkinofficer: Chief Financial Officer | Sale · 4 lots | 2,267 | $164.29 | 5,881 |
| Aug 11, 2026 | John Dr Climaxdirector | Sale · 4 lots | 841 | $164.29 | 2,087 |
| Aug 11, 2026 | Linda Graisdirector | Sale · 4 lots | 841 | $164.29 | 6,162 |
| Aug 10, 2026 | Barry Edward Balfedirector, officer: Chief Executive Officer | Sale · 2 lots | 382 | $164.07 | 4,804 |
CongressHouse and Senate disclosures
Not reported.