Stocks › ICLR
ICON PLC
ICLR·Nasdaq·
Ireland·USD
$164.08
+2.39 (+1.48%)
Close · Oct 7, 2026 · Close Prices from Tiingo.com
ICLR
ICON PLC · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
ICLRS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of ICLR by members of U.S. Congress · 26 on record · 3 in the last 12 months
Whale Activity
Position changes in ICLR reported for 2026-06-30 by 20 tracked institutional filers
- Increased5
- New1
- Held0
- Decreased2
- Closed1
- No prior filing11
| Filer | Shares | Value | Change |
|---|---|---|---|
| Artisan Partners Limited Partnership | 8.6M | $1.50B | — |
| HARRIS ASSOCIATES L P | 4.5M | $776.2M | — |
| Ruane, Cunniff & Goldfarb L.P. | 2.0M | $355.8M | — |
| D. E. Shaw & Co., Inc. | 1.4M | $235.7M | increased |
| Stephens Investment Management Group LLC | 720.3K | $125.1M | — |
| BlackRock, Inc. | 534.9K | $92.9M | increased |
| Zurich Insurance Group Ltd/FI | 481.2K | $83.6M | — |
| Point72 Asset Management, L.P. | 365.9K | $63.6M | increased |
| Hyperion Capital Advisors LP | 224.7K | $39.0M | — |
| CITADEL ADVISORS LLC | 148.6K | $25.8M | decreased |
| MUHLENKAMP & CO INC | 66.3K | $11.5M | — |
| VANGUARD CAPITAL MANAGEMENT LLC | 62.8K | $10.9M | increased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by ICLR insiders, by quarter · Form 4
Recent Insider Transactions
37 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| McCague Eugene PacelliDirector · Director | Sale | −3,255 | $175.00 | $570K | Sep 17, 2026 | Form 4 ↗ |
| Murphy Ronan MartinDirector · Director | Sale | −5,005 | $175.00 | $876K | Sep 17, 2026 | Form 4 ↗ |
| CLIMAX JOHN DRDirector · Director | Sale | −5,005 | $175.00 | $876K | Sep 16, 2026 | Form 4 ↗ |
| Whitaker Anne ClemDirector · Director | Sale | −96 | $163.77 | $16K | Aug 11, 2026 | Form 4 ↗ |
| Whitaker Anne ClemDirector · Director | Sale | −88 | $162.72 | $14K | Aug 11, 2026 | Form 4 ↗ |
| Whitaker Anne ClemDirector · Director | Sale | −67 | $165.51 | $11K | Aug 11, 2026 | Form 4 ↗ |
| Whitaker Anne ClemDirector · Director | Sale | −590 | $164.47 | $97K | Aug 11, 2026 | Form 4 ↗ |
| O'Neill JulieDirector · Director | Sale | −95 | $162.72 | $15K | Aug 11, 2026 | Form 4 ↗ |
| O'Neill JulieDirector · Director | Sale | −73 | $165.51 | $12K | Aug 11, 2026 | Form 4 ↗ |
| O'Neill JulieDirector · Director | Sale | −642 | $164.47 | $106K | Aug 11, 2026 | Form 4 ↗ |
| O'Neill JulieDirector · Director | Sale | −105 | $163.77 | $17K | Aug 11, 2026 | Form 4 ↗ |
| Murray CiaranDirector · Director | Sale | −305 | $163.77 | $50K | Aug 11, 2026 | Form 4 ↗ |
| Murray CiaranDirector · Director | Sale | −280 | $162.72 | $46K | Aug 11, 2026 | Form 4 ↗ |
| Murray CiaranDirector · Director | Sale | −212 | $165.51 | $35K | Aug 11, 2026 | Form 4 ↗ |
| Murray CiaranDirector · Director | Sale | −1,880 | $164.47 | $309K | Aug 11, 2026 | Form 4 ↗ |
| Murphy Ronan MartinDirector · Director | Sale | −96 | $163.77 | $16K | Aug 11, 2026 | Form 4 ↗ |
| Murphy Ronan MartinDirector · Director | Sale | −88 | $162.72 | $14K | Aug 11, 2026 | Form 4 ↗ |
| Murphy Ronan MartinDirector · Director | Sale | −67 | $165.51 | $11K | Aug 11, 2026 | Form 4 ↗ |
| Murphy Ronan MartinDirector · Director | Sale | −590 | $164.47 | $97K | Aug 11, 2026 | Form 4 ↗ |
| McCague Eugene PacelliDirector · Director | Sale | −96 | $163.77 | $16K | Aug 11, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding ICLR · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| Invesco Small Cap Value Fund AIM Sector Funds (Invesco Sector Funds) | 1.0M | $170.5M | 1.54% | Jul 31, 2026 |
| VANGUARD WINDSOR FUND VANGUARD WINDSOR FUNDS | 943.2K | $154.3M | 0.61% | Jul 31, 2026 |
| VANGUARD HEALTH CARE FUND VANGUARD SPECIALIZED FUNDS | 933.7K | $152.7M | 0.40% | Jul 31, 2026 |
| VANGUARD EXPLORER FUND | 827.9K | $135.4M | 0.61% | Jul 31, 2026 |
| Invesco Comstock Fund AIM Sector Funds (Invesco Sector Funds) | 776.1K | $126.9M | 0.85% | Jul 31, 2026 |
| Invesco Value Opportunities Fund AIM Sector Funds (Invesco Sector Funds) | 767.3K | $125.5M | 1.38% | Jul 31, 2026 |
| International Equity Fund Principal Funds, Inc | 652.5K | $106.7M | 1.65% | Jul 31, 2026 |
| FPA Crescent Fund Investment Managers Series Trust III | 382.1K | $66.4M | 0.53% | Jun 30, 2026 |
| VANGUARD GROWTH AND INCOME FUND VANGUARD QUANTITATIVE FUNDS | 288.3K | $50.1M | 0.27% | Jun 30, 2026 |
| BBH Partner Fund - International Equity BBH Trust | 264.8K | $43.3M | 1.74% | Jul 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list ICLR's shares (CUSIP G4705A100), each fund at its latest report since Mar 8, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Invesco Ltd.SCHEDULE 13G/A · passive (13G) · 5.3M shares6.9%
Aug 13, 2026 · ↗ - Abigail P. JohnsonSCHEDULE 13G/A · passive (13G) · 5.3M shares6.9%
Aug 6, 2026 · ↗ - FMR LLCSCHEDULE 13G/A · passive (13G) · 5.3M shares6.9%
Aug 6, 2026 · ↗ - Allan Gray Australia Pty LtdSCHEDULE 13G/A · passive (13G) · 0 shares0.0%
May 15, 2026 · ↗ - ORBIS INVESTMENT MANAGEMENT LTDSCHEDULE 13G/A · passive (13G) · 0 shares0.0%
May 15, 2026 · ↗ - Wellington Management Company LLPSCHEDULE 13G/A · passive (13G) · 5.9M shares6.7%
May 15, 2026 · ↗ - Wellington Investment Advisors Holdings LLPSCHEDULE 13G/A · passive (13G) · 5.9M shares7.7%
May 15, 2026 · ↗ - Wellington Group Holdings LLPSCHEDULE 13G/A · passive (13G) · 5.9M shares7.7%
May 15, 2026 · ↗ - Wellington Management Group LLPSCHEDULE 13G/A · passive (13G) · 5.9M shares7.7%
May 15, 2026 · ↗ - Harris Associates, Inc.SCHEDULE 13G · passive (13G) · 4.4M shares5.7%
May 15, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming ICON PLC as client
No lobbying filings found naming ICON PLC as the client.
Government Contracts
Federal awards to icon · USAspending
$55KAwarded · 1 contract on record
- Department of the InteriorRECONSTRUCTION AND IMPROVEMENT OF APPROXIMATELY 425 LINEAR FEET OF ACCESS AND SAFETY TRAILS, INCLUDING ASSOCIATED SITE PREPARATION, GRADING,$55K
Aug 31, 2026 · ↗
U.S. Patents
Recent USPTO applications naming ICON PLC
No USPTO patent applications found for ICON PLC.
Annual Financials
From ICLR's 10-K filings · XBRL
No annual XBRL figures on record for ICLR. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 2-for-1Stock splitAug 13, 2008
- 2-for-1Stock splitOct 24, 2006
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
No 8-K filings on record.
About ICON PLC
From SEC EDGAR company records
Industry (SIC 8731)Services-Commercial Physical & Biological Research
SectorIndustrials
HeadquartersDUBLIN 18, Ireland
SEC CIK0001060955 ↗
Former namesICON PLC /ADR/






