ICLR — ICON PLC
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Others in Healthcare
Measured signals that fired on ICLR
| date | signal | measured base rate |
|---|---|---|
| 2026-08-12 | Cluster sale: three or more insiders insider | -0.37% over 21 days · t = -3.38 · n = 21,542 statistically distinguishable from its control group |
| 2026-08-04 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-08-03 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-07-30 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-28 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-23 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-11 | Murray Ciaran Director | Open-market sale | 1.9K | 164.47 | 309.2K |
| 2026-08-11 | Clerkin Nigel Bernard John Chief Financial Officer | Open-market sale | 1.6K | 164.47 | 261.7K |
| 2026-08-11 | O'Neill Julie Director | Open-market sale | 642 | 164.47 | 105.6K |
| 2026-08-11 | CLIMAX JOHN DR Director | Open-market sale | 591 | 164.47 | 97.2K |
| 2026-08-11 | Grais Linda Director | Open-market sale | 590 | 164.47 | 97.0K |
| 2026-08-11 | McCague Eugene Pacelli Director | Open-market sale | 590 | 164.47 | 97.0K |
| 2026-08-11 | Murphy Ronan Martin Director | Open-market sale | 590 | 164.47 | 97.0K |
| 2026-08-11 | Whitaker Anne Clem Director | Open-market sale | 590 | 164.47 | 97.0K |
| 2026-08-11 | Murray Ciaran Director | Open-market sale | 305 | 163.77 | 49.9K |
| 2026-08-11 | Murray Ciaran Director | Open-market sale | 280 | 162.72 | 45.6K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Artisan Partners Limited Partnership | 916.1M | 8.3M |
| WELLINGTON MANAGEMENT GROUP LLP | 654.3M | 5.9M |
| HARRIS ASSOCIATES L P | 481.5M | 4.4M |
| FMR LLC | 461.9M | 4.2M |
| Invesco Ltd. | 429.2M | 3.9M |
| PRINCIPAL FINANCIAL GROUP INC | 366.5M | 3.3M |
| Brave Warrior Advisors, LLC | 331.6M | 3.0M |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 304.9M | 2.7M |
| ALLIANCEBERNSTEIN L.P. | 245.0M | 1.3M |
| Sachem Head Capital Management LP | 232.9M | 2.1M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Ask the AI about ICLR
The assistant reads every block on this page — price history, filings, insider transactions, institutional positions, short volume, macro and the measured base rates — and says what it implies, quoting the number behind each claim and declaring what it does not have.
Everything on this page is live in the terminal.
Charts, filings, insider flow and the AI — open without an account.
Free plan for good. Pro is $69.99/mo, or $4.99 for a 7-day trial. See the plans →