ICLR
ICON PLC
194.70$
-2.9%
vs. previous close
Closing price · As of: Nov 13, 2026
Ownership
Ownership Structure
Who owns ICON PLC (ICLR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.9% of the shares are freely tradable; institutional investors hold 107.5%.
Institutional ownership
?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
107.5%
Insiders
?Share of the stock held by the executives, founders and major shareholders of the company itself.
0.4%
Float
?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
99.9%
Short % of float
?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
4.5%
Shares Outstanding
?Total number of shares issued. Price times share count gives market cap.
75Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Artisan Partners Limited Partnership | 11.53 | 8,636,406 | +4.3 | 06/30/2026 |
| Wellington Management Company LLP | 7.10 | 5,320,054 | -10.0 | 06/30/2026 |
| FMR Inc | 7.04 | 5,271,321 | +26.3 | 06/30/2026 |
| Amvescap Plc. | 7.03 | 5,264,236 | +35.7 | 06/30/2026 |
| Harris Associates L.P. | 5.96 | 4,468,146 | +2.7 | 06/30/2026 |
| Brave Warrior Advisors LLC | 4.21 | 3,153,308 | +5.2 | 06/30/2026 |
| Greenhaven Associates Inc | 4.14 | 3,100,615 | +54.8 | 06/30/2026 |
| Principal Financial Group Inc | 3.92 | 2,937,402 | -0.5 | 09/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Artisan International Value Investor | 9.15 | 6,855,770 | +1.6 | 09/30/2026 |
| Oakmark Select Investor | 3.64 | 2,728,800 | +15.2 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Murray Ciaran | Director | 17,000 | 3,309,900 $ | Nov 2, 2026 | direct |
| Balfe Barry Edward | Chief Executive Officer | 9,291 | 1,808,958 $ | Nov 2, 2026 | direct |
| Clerkin Nigel Bernard John | Chief Financial Officer | 7,171 | 1,396,194 $ | Nov 2, 2026 | direct |
| Grais Linda | Director | 6,162 | 1,199,741 $ | Aug 11, 2026 | direct |
| Murphy Ronan Martin | Director | 3,847 | 749,011 $ | Sep 17, 2026 | direct |
| McCague Eugene Pacelli | Director | 3,811 | 742,002 $ | Sep 17, 2026 | direct |
| O'Neill Julie | Director | 3,515 | 684,371 $ | Aug 11, 2026 | direct |
| Climax John Dr | Director | 2,087 | 406,339 $ | Sep 16, 2026 | direct |
| Lyons Emer | Chief Accounting Officer | 1,217 | 236,950 $ | Nov 2, 2026 | direct |
| Whitaker Anne Clem | Director | 891 | 173,478 $ | 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 |
|---|---|---|---|---|---|---|
| Nov 2, 2026 | Murray Ciaran | Director | Sell | 3,452 | 205.67 | 709,956 |
| Nov 2, 2026 | Balfe Barry Edward | Chief Executive Officer | Sell | 75 | 209.53 | 15,715 |
| Nov 2, 2026 | Balfe Barry Edward | Chief Executive Officer | Sell | 1,314 | 208.00 | 273,312 |
| Nov 2, 2026 | Balfe Barry Edward | Chief Executive Officer | Sell | 1,224 | 207.16 | 253,564 |
| Nov 2, 2026 | Balfe Barry Edward | Chief Executive Officer | Sell | 1,509 | 206.15 | 311,080 |
| Nov 2, 2026 | Balfe Barry Edward | Chief Executive Officer | Sell | 1,053 | 204.91 | 215,770 |
| Nov 2, 2026 | Lyons Emer | Chief Accounting Officer | Sell | 4 | 209.53 | 838 |
| Nov 2, 2026 | Lyons Emer | Chief Accounting Officer | Sell | 67 | 208.00 | 13,936 |
| Nov 2, 2026 | Lyons Emer | Chief Accounting Officer | Sell | 63 | 207.16 | 13,051 |
| Nov 2, 2026 | Lyons Emer | Chief Accounting Officer | Sell | 76 | 206.15 | 15,667 |
| Nov 2, 2026 | Lyons Emer | Chief Accounting Officer | Sell | 54 | 204.91 | 11,065 |
| Nov 2, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | Sell | 22 | 209.53 | 4,610 |
| Nov 2, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | Sell | 377 | 208.00 | 78,416 |
| Nov 2, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | Sell | 352 | 207.16 | 72,920 |
| Nov 2, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | Sell | 434 | 206.15 | 89,469 |
| Nov 2, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | Sell | 303 | 204.91 | 62,088 |
| Oct 31, 2026 | Balfe Barry Edward | Chief Executive Officer | Other | 9,662 | – | – |
| Oct 31, 2026 | Lyons Emer | Chief Accounting Officer | Other | 491 | – | – |
| Oct 31, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | Other | 2,778 | – | – |
| Oct 23, 2026 | Lyons Emer | Chief Accounting Officer | Sell | 54 | 184.29 | 9,952 |
| Oct 23, 2026 | Lyons Emer | Chief Accounting Officer | Sell | 52 | 183.42 | 9,538 |
| Oct 23, 2026 | Lyons Emer | Chief Accounting Officer | Sell | 43 | 182.30 | 7,839 |
| Oct 23, 2026 | Lyons Emer | Chief Accounting Officer | Sell | 81 | 181.39 | 14,693 |
| Oct 23, 2026 | Lyons Emer | Chief Accounting Officer | Sell | 42 | 180.54 | 7,583 |
| Oct 22, 2026 | Lyons Emer | Chief Accounting Officer | Other | 510 | – | – |
| Sep 17, 2026 | McCague Eugene Pacelli | Director | Sell | 3,255 | 175.00 | 569,625 |
| Sep 17, 2026 | McCague Eugene Pacelli | Director | Other | 3,255 | 125.74 | 409,284 |
| Sep 17, 2026 | Murphy Ronan Martin | Director | Sell | 5,005 | 175.00 | 875,875 |
| Sep 17, 2026 | Murphy Ronan Martin | Director | Other | 5,005 | 125.74 | 629,329 |
| Sep 16, 2026 | Climax John Dr | Director | Sell | 5,005 | 175.00 | 875,875 |
| Sep 16, 2026 | Climax John Dr | Director | Other | 5,005 | 125.74 | 629,329 |
| 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 |
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: November 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.