ICON PLC
Ownership
Ownership Structure
Who owns ICON PLC (ICLR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions.
Largest Shareholders
No ownership data is available for this stock yet.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Murray Ciaran | Director | 20,452 | 3,425,710 $ | Aug 11, 2026 | direct |
| Grais Linda | Director | 6,162 | 1,032,135 $ | Aug 11, 2026 | direct |
| Clerkin Nigel Bernard John | Chief Financial Officer | 5,881 | 985,068 $ | Aug 11, 2026 | direct |
| Murphy Ronan Martin | Director | 3,847 | 644,373 $ | Aug 11, 2026 | direct |
| McCague Eugene Pacelli | Director | 3,811 | 638,343 $ | Aug 11, 2026 | direct |
| O'Neill Julie | Director | 3,515 | 588,763 $ | Aug 11, 2026 | direct |
| Climax John Dr | Director | 2,087 | 349,573 $ | Aug 11, 2026 | direct |
| Whitaker Anne Clem | Director | 891 | 149,243 $ | Aug 11, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 11, 2026 | Whitaker Anne Clem | Director | Sell | 67 | 165.51 | 11,089 |
| Aug 11, 2026 | Whitaker Anne Clem | Director | Sell | 590 | 164.47 | 97,037 |
| Aug 11, 2026 | Whitaker Anne Clem | Director | Sell | 96 | 163.77 | 15,722 |
| Aug 11, 2026 | Whitaker Anne Clem | Director | Sell | 88 | 162.72 | 14,319 |
| Aug 11, 2026 | O'Neill Julie | Director | Sell | 73 | 165.51 | 12,082 |
| Aug 11, 2026 | O'Neill Julie | Director | Sell | 642 | 164.47 | 105,590 |
| Aug 11, 2026 | O'Neill Julie | Director | Sell | 105 | 163.77 | 17,196 |
| Aug 11, 2026 | O'Neill Julie | Director | Sell | 95 | 162.72 | 15,458 |
| Aug 11, 2026 | Murray Ciaran | Director | Sell | 212 | 165.51 | 35,088 |
| Aug 11, 2026 | Murray Ciaran | Director | Sell | 1,880 | 164.47 | 309,204 |
| Aug 11, 2026 | Murray Ciaran | Director | Sell | 305 | 163.77 | 49,950 |
| Aug 11, 2026 | Murray Ciaran | Director | Sell | 280 | 162.72 | 45,562 |
| Aug 11, 2026 | Murphy Ronan Martin | Director | Sell | 67 | 165.51 | 11,089 |
| Aug 11, 2026 | Murphy Ronan Martin | Director | Sell | 590 | 164.47 | 97,037 |
| Aug 11, 2026 | Murphy Ronan Martin | Director | Sell | 96 | 163.77 | 15,722 |
| Aug 11, 2026 | Murphy Ronan Martin | Director | Sell | 88 | 162.72 | 14,319 |
| Aug 11, 2026 | McCague Eugene Pacelli | Director | Sell | 67 | 165.51 | 11,089 |
| Aug 11, 2026 | McCague Eugene Pacelli | Director | Sell | 590 | 164.47 | 97,037 |
| Aug 11, 2026 | McCague Eugene Pacelli | Director | Sell | 96 | 163.77 | 15,722 |
| Aug 11, 2026 | McCague Eugene Pacelli | Director | Sell | 88 | 162.72 | 14,319 |
| Aug 11, 2026 | Grais Linda | Director | Sell | 67 | 165.51 | 11,089 |
| Aug 11, 2026 | Grais Linda | Director | Sell | 590 | 164.47 | 97,037 |
| Aug 11, 2026 | Grais Linda | Director | Sell | 97 | 163.77 | 15,886 |
| Aug 11, 2026 | Grais Linda | Director | Sell | 87 | 162.72 | 14,157 |
| Aug 11, 2026 | Climax John Dr | Director | Sell | 67 | 165.51 | 11,089 |
| Aug 11, 2026 | Climax John Dr | Director | Sell | 591 | 164.47 | 97,202 |
| Aug 11, 2026 | Climax John Dr | Director | Sell | 95 | 163.77 | 15,558 |
| Aug 11, 2026 | Climax John Dr | Director | Sell | 88 | 162.72 | 14,319 |
| Aug 11, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | Sell | 180 | 165.51 | 29,792 |
| Aug 11, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | Sell | 1,591 | 164.47 | 261,672 |
| Aug 11, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | Sell | 259 | 163.77 | 42,416 |
| Aug 11, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | Sell | 237 | 162.72 | 38,565 |
| Aug 10, 2026 | Whitaker Anne Clem | Director | Other | 1,732 | – | – |
| Aug 10, 2026 | O'Neill Julie | Director | Other | 1,732 | – | – |
| Aug 10, 2026 | Murray Ciaran | Director | Other | 2,677 | – | – |
| Aug 10, 2026 | Murphy Ronan Martin | Director | Other | 1,732 | – | – |
| Aug 10, 2026 | McCague Eugene Pacelli | Director | Other | 1,732 | – | – |
| Aug 10, 2026 | Grais Linda | Director | Other | 1,732 | – | – |
| Aug 10, 2026 | Climax John Dr | Director | Other | 1,732 | – | – |
| Aug 10, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | Other | 3,375 | – | – |
| Aug 10, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | Other | 918 | – | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: August 13, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.