ICLR
ICON Public Limited Company · Healthcare · Medical - Diagnostics & Research
Momentum inputs (comparable managers):
holder breadth -5.3% ·
share flow -17.8% ·
net new positions -11.1%
· formula
Broad distribution: falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 111 | +2 | 54.20M | $9.33B | +10 | −9 |
| Q1 2026 | 112 | -7 | 49.87M | $5.61B | +7 | −15 |
| Q4 2025 | 119 | -2 | 53.17M | $9.70B | +2 | −3 |
| Q3 2025 | 18 | -1 | 14.11M | $2.47B | +2 | −4 |
| Q2 2025 | 17 | +3 | 17.03M | $2.48B | +3 | n/a |
| Q1 2025 | 11 | -1 | 10.01M | $1.75B | +1 | −2 |
| Q4 2024 | 12 | -1 | 9.48M | $1.99B | +2 | −3 |
| Q3 2024 | 12 | -1 | 9.43M | $2.71B | +1 | −2 |
| Q2 2024 | 13 | n/a | 9.47M | $2.97B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Wellington Management ✦ | 4.64M | +26.6% | $811.50M | 0.1% | ▲ Add | 6 | SEC ↗ ×9 |
| 2 | Harris Associates (Oakmark) ✦ | 2.34M | +43.0% | $409.95M | 0.7% | ▲ Add | 2 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 1.93M | -1.6% | $338.32M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 4 | D. E. Shaw & Co. ✦ | 1.48M | -39.3% | $258.49M | 0.2% | ▼ Trim | 6 | SEC ↗ ×2 |
| 5 | Morgan Stanley ✦ | 500.38K | n/a | $87.57M | 0.0% | n/c | 1 | SEC ↗ ×13 |
| 6 | Point72 Asset Management ✦ | 462.05K | -13.8% | $80.86M | 0.2% | ▼ Trim | 6 | SEC ↗ |
| 7 | Goldman Sachs Group ✦ | 448.77K | n/a | $78.53M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 8 | Glenview Capital ✦ | 371.42K | New | $65.00M | 1.6% | New | 1 | SEC ↗ |
| 9 | State Street Global Advisors ✦ (passive) | 358.92K | -14.1% | $62.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | JPMorgan Chase ✦ | 277.74K | n/a | $48.60M | 0.0% | n/c | 1 | SEC ↗ ×16 |
| 11 | Citadel Advisors ✦ | 269.98K | -86.1% | $47.25M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 12 | BlackRock ✦ (passive) | 254.06K | -22.2% | $44.46M | 0.0% | ▼ Trim | 2 | SEC ↗ ×10 |
| 13 | Capital World Investors ✦ | 228.38K | New | $39.97M | 0.0% | New | 1 | SEC ↗ |
| 14 | Millennium Management ✦ | 222.18K | -64.0% | $38.88M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 15 | T. Rowe Price ✦ | 117.33K | -90.1% | $20.53M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 16 | Geode Capital Management ✦ (passive) | 93.72K | +11.1% | $16.40M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 88.56K | -60.6% | $15.50M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 18 | Two Sigma Investments ✦ | 28.96K | -78.2% | $5.07M | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Glenview Capital | $65.00M | 1.6% |
| Capital World Investors | $39.97M | 0.0% |
Exited
| Norges Bank | $158.64M | was 0.0% |
| Baupost Group | $58.91M | was 1.4% |
| Renaissance Technologies | $47.25M | was 0.1% |
| Adage Capital Partners | $5.27M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 414 holders, 78.10M shares, $8.66B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 3.25K sh · $569,625
Director · 5.00K sh · $875,875
Director · 5.00K sh · $875,875
Officer · 259 sh · $42,416
Officer · 1.59K sh · $261,672
Officer · 180 sh · $29,792
Director · 87 sh · $14,157
Director · 97 sh · $15,886
Director · 590 sh · $97,037
Director · 67 sh · $11,089
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology