ICON PLC ICLR
$173.06
-1.1% 52w: $80.08 – $202.92
Latest 13F among current holders filed 2 days ago (Oct 30, 2026)
Price — last 12 months
research preview data80.08141.50202.92
Oct 17, 2025 Jul 2, 2026
Institutional holders
423
-94 QoQ
13F value
$8.75B
-38.0% QoQ
Smart-money holders
57
signal tier ≥ 2
New smart buyers
19
Q1 2026
Options barometer
1.5×
$40.0M calls / $26.5M puts
Institutional value by quarter
Number of holders
Who owns ICLR?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| Artisan Partners Limited Partnership | Other | 8.3M | $916.1M | — | +20.4% |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 5.9M | $654.3M | 0.1% | +35.9% |
| HARRIS ASSOCIATES L P | Other | 4.4M | $481.5M | 0.6% | +73.3% |
| FMR LLC | Long only active | 4.2M | $461.9M | 0.0% | +34.7% |
| Invesco Ltd. | Index provider | 3.9M | $429.2M | 0.0% | +3.2% |
| PRINCIPAL FINANCIAL GROUP INC | Diversified mechanical | 3.3M | $366.5M | 0.2% | +10.3% |
| Brave Warrior Advisors, LLC ★3 | Fundamental concentrated | 3.0M | $331.6M | — | New |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Other | 2.7M | $304.9M | — | +15.7% |
| ALLIANCEBERNSTEIN L.P. | Long only active | 1.3M | $245.0M | 0.1% | +5.7% |
| Sachem Head Capital Management LP ★3 | Activist | 2.1M | $232.9M | — | New |
| GREENHAVEN ASSOCIATES INC ★3 | Fundamental concentrated | 2.0M | $221.6M | — | +11412.1% |
| Ruane, Cunniff & Goldfarb L.P. ★3 | Value conviction | 1.6M | $180.9M | — | -2.7% |
| BRANDES INVESTMENT PARTNERS, LP | Other | 1.4M | $158.8M | — | +84.8% |
| Madison Avenue Partners, LP ★2 | Fundamental concentrated | 1.3M | $142.0M | — | New |
| Trinity Street Asset Management LLP ★3 | Fundamental concentrated | 1.2M | $133.7M | — | +12.7% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 1.2M | $132.6M | 0.1% | +83.5% |
| 1832 Asset Management L.P. | Other | 1.2M | $132.0M | 0.2% | -0.9% |
| Capital World Investors | Long only active | 1.1M | $122.3M | 0.0% | -26.2% |
| EQUITY INVESTMENT CORP | Other | 1.1M | $121.3M | — | +75.9% |
| First Pacific Advisors, LP ★2 | Fundamental diversified | 991.1K | $109.7M | — | +1.0% |
| LYRICAL ASSET MANAGEMENT LP ★3 | Fundamental concentrated | 938.2K | $103.8M | — | -3.1% |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | Other | 918.7K | $101.7M | — | +23.6% |
| EARNEST PARTNERS LLC | Other | 885.8K | $98.0M | — | -0.5% |
| Holocene Advisors, LP | Other | 840.8K | $93.0M | 0.2% | +419.1% |
| Boston Partners | Other | 835.1K | $92.4M | 0.1% | -33.7% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 788.8K | $87.3M | — | +50.8% |
| FRANKLIN RESOURCES INC | Long only active | 816.1K | $86.5M | 0.0% | -72.7% |
| SEI INVESTMENTS CO | Diversified mechanical | 757.5K | $83.8M | 0.1% | -3.6% |
| LAKEWOOD CAPITAL MANAGEMENT, LP ★3 | Fundamental concentrated | 747.7K | $82.7M | — | +124.9% |
| GOLDMAN SACHS GROUP INC | Bank broker | 630.6K | $69.8M | 0.0% | +33.3% |
| SOUND SHORE MANAGEMENT INC /CT/ | Other | 627.0K | $69.4M | — | New |
| Thrivent Financial for Lutherans | Diversified mechanical | 622.4K | $68.9M | 0.1% | +119.5% |
| UBS Group AG | Bank broker | 612.3K | $67.8M | 0.0% | +13.7% |
| Stephens Investment Management Group LLC | Other | 599.2K | $66.3M | — | +10.3% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 543.5K | $60.1M | 0.0% | -10.9% |
| Russell Investments Group, Ltd. | Diversified mechanical | 514.3K | $56.9M | 0.1% | +83.1% |
| STATE STREET CORP | Index provider | 457.2K | $50.6M | 0.0% | +26.6% |
| Impactive Capital LP ★3 | Fundamental concentrated | 450.5K | $49.9M | — | New |
| BAMCO INC /NY/ | Other | 426.8K | $47.2M | — | -20.1% |
| BlackRock, Inc. | Index provider | 413.6K | $45.8M | 0.0% | +9.5% |
| Aberdeen Group plc | Other | 399.3K | $44.2M | 0.1% | +504.4% |
| River Road Asset Management, LLC | Other | 369.7K | $40.9M | — | -22.2% |
| Eagle Health Investments LP ★3 | Fundamental concentrated | 358.5K | $39.7M | — | +45.1% |
| NEW YORK STATE COMMON RETIREMENT FUND | Diversified mechanical | 345.7K | $38.3M | — | +40.3% |
| Maple Rock Capital Partners Inc. ★3 | Fundamental concentrated | 335.3K | $37.1M | — | New |
| HUDSON EDGE INVESTMENT PARTNERS INC. ★2 | Fundamental diversified | 319.0K | $35.3M | — | +22.5% |
| Sio Capital Management, LLC ★2 | Fundamental concentrated | 306.4K | $33.9M | — | +140.8% |
| MORGAN STANLEY | Bank broker | 293.1K | $32.4M | 0.0% | -38.1% |
| Zuckerman Investment Group, LLC ★2 | Fundamental diversified | 281.0K | $31.1M | 2.9% | +80.5% |
| RAYMOND JAMES FINANCIAL INC | Bank broker | 261.4K | $28.9M | 0.0% | +36.8% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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