Updated
ICONICLR · Healthcare
$204.74+1.53%
Market cap$15.3B
IndustryDiagnostics & Research
ICON (ICLR) Superinvestor holders
26 of the superinvestors we track hold ICON (ICLR) in their latest 13F filings, $5.0B in total.
Summary
The largest holder is Artisan Partners, with $1.5B, 2.4% of the portfolio.
In their latest quarter: 4 opened a new position, 9 added, 11 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Artisan Partners | Added | 8,636,406 | $1.5B | 2.4% | Q2 2026 |
| Bill Nygren Harris Associates LP |
Added | 4,468,146 | $776M | 1.0% | Q2 2026 |
| Glenn Greenberg Brave Warrior Advisors |
Added | 3,153,308 | $548M | 11.9% | Q2 2026 |
| Ed Wachenheim Greenhaven Associates |
Trimmed | 3,069,015 | $522M | 6.6% | Q3 2026 |
| Ruane, Cunniff & Goldfarb | Added | 2,048,087 | $356M | 5.5% | Q2 2026 |
| Mark Donovan Boston Partners |
Added | 1,620,730 | $281M | 0.2% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
Added | 1,357,143 | $236M | 0.2% | Q2 2026 |
| Charles Brandes Brandes Investment Partners, LP |
Trimmed | 1,185,774 | $206M | 1.4% | Q2 2026 |
| Andrew Wellington Lyrical Asset Management |
Trimmed | 881,179 | $153M | 1.9% | Q2 2026 |
| Steven Romick First Pacific Advisors |
Trimmed | 606,523 | $105M | 1.3% | Q2 2026 |
| Anthony Bozza Lakewood Capital Management |
Trimmed | 585,200 | $102M | 5.3% | Q2 2026 |
| Ron Baron Baron Capital (BAMCO) |
Trimmed | 376,805 | $65M | 0.1% | Q2 2026 |
| Steve Cohen Point72 Asset Management |
Added | 365,945 | $64M | 0.1% | Q2 2026 |
| Ric Dillon Diamond Hill Capital Management |
Trimmed | 194,618 | $34M | 0.3% | Q2 2026 |
| Michael Lowenstein Kensico Capital Management |
New position | 188,000 | $33M | 0.6% | Q2 2026 |
| Paul Marshall Marshall Wace |
Added | 175,440 | $30M | 0.0% | Q2 2026 |
| Acadian Acadian Asset Management |
New position | 88,627 | $15M | 0.0% | Q3 2026 |
| Will Nasgovitz Heartland Advisors |
Added | 45,843 | $8M | 0.4% | Q2 2026 |
| Paul Tudor Jones Tudor Investment Corp |
Trimmed | 26,270 | $5M | 0.0% | Q2 2026 |
| Louis Bacon Moore Capital Management |
Trimmed | 19,382 | $3M | 0.1% | Q2 2026 |
| Hotchkis & Wiley Hotchkis & Wiley Capital Management |
Trimmed | 18,092 | $3M | 0.0% | Q2 2026 |
| Thornburg Thornburg Investment Management |
Held | 6,010 | $1M | 0.0% | Q2 2026 |
| Jim Simons Renaissance Technologies |
New position | 4,500 | $781,695 | 0.0% | Q2 2026 |
| Fayez Sarofim Fayez Sarofim & Co |
Held | 2,270 | $394,322 | 0.0% | Q2 2026 |
| Alec Litowitz Magnetar Capital |
New position | 1,221 | $212,100 | 0.0% | Q2 2026 |
| Aziz Hamzaogullari Loomis Sayles & Co |
Trimmed | 143 | $24,799 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 25 |
| Q1 2026 | 29 |
| Q4 2025 | 31 |
| Q3 2025 | 28 |
| Q2 2025 | 31 |
| Q1 2025 | 28 |
| Q4 2024 | 29 |
| Q3 2024 | 25 |
Questions about ICON
Which superinvestors own ICON?
26 of the superinvestors we track hold ICON (ICLR) in their latest 13F filings, $5.0B in total. Artisan Partners, Bill Nygren, Glenn Greenberg, Ed Wachenheim, Ruane, Cunniff & Goldfarb, Mark Donovan.
Who is the largest superinvestor holder of ICLR?
The largest holder is Artisan Partners, with $1.5B, 2.4% of the portfolio.
From ICON's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.