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Held by 16 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide G4705A100 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide
Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer
Tracked capital in this stock
Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).
Aggregate buying and selling
Net share change reported each quarter
Who owns ICLR?
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Who owns ICLR? — Q2 2026
Holders ranked by position size, with each one's quarter-over-quarter change.
Column filters
| # | Manager ↑ | Fund | Shares | Value | % of their portfolio | QoQ | Δ shares | Δ shares % | Est. Δ value ⓘChange in shares × this quarter's price |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Bill Nygren | Harris Associates (Oakmark Funds) | 4.47M | $776.16M | 1.0% | Added | +116.8K | +2.7% | +$20.29M |
| 5 | Boston Partners | Boston Partners Global Investors | 1.62M | $281.40M | 0.2% | Added | +785.6K | +94.1% | +$136.40M |
| 7 | Charles Brandes | Brandes Investment Partners | 1.19M | $205.98M | 1.4% | Reduced | -249.3K | -17.4% | -$43.30M |
| 6 | David Shaw | D.E. Shaw & Co. | 1.36M | $235.75M | 0.1% | Added | +158.6K | +13.2% | +$27.55M |
| 12 | Diamond Hill | Diamond Hill Capital Management | 194.62K | $33.81M | 0.3% | Reduced | -25.7K | -11.7% | -$4.47M |
| 3 | Edgar Wachenheim | Greenhaven Associates | 3.10M | $538.61M | 6.2% | Added | +1.1M | +54.8% | +$190.77M |
| 9 | First Pacific Advisors | First Pacific Advisors, LP | 606.52K | $105.36M | 1.3% | Reduced | -384.6K | -38.8% | -$66.80M |
| 2 | Glenn Greenberg | Brave Warrior Advisors | 3.15M | $547.76M | 11.9% | Added | +156.5K | +5.2% | +$27.19M |
| 15 | Hotchkis & Wiley | Hotchkis & Wiley Capital Management | 18.09K | $3.14M | 0.0% | Reduced | -20.8K | -53.5% | -$3.61M |
| 14 | Israel Englander | Millennium Management | 48.48K | $8.42M | 0.0% | Reduced | -2.3K | -4.5% | -$396.41K |
| 16 | Jim Simons | Renaissance Technologies | 4.50K | $781.70K | 0.0% | New | +4.5K | — | +$781.70K |
| 13 | Ken Griffin | Citadel Advisors | 148.57K | $25.81M | 0.0% | Reduced | -103.0K | -41.0% | -$17.90M |
| 8 | Norges Bank | Norges Bank Investment Management | 821.00K | $142.62M | 0.0% | — | — | — | — |
| 10 | Ron Baron | Baron Capital (BAMCO) | 376.81K | $65.45M | 0.1% | Reduced | -50.0K | -11.7% | -$8.69M |
| 4 | Ruane Cunniff & Goldfarb | Sequoia Fund adviser | 2.05M | $355.77M | 5.5% | Added | +413.5K | +25.3% | +$71.82M |
| 11 | Steve Cohen | Point72 Asset Management | 365.94K | $63.57M | 0.1% | Added | +356.1K | +3610.3% | +$61.86M |
Column filters
| Manager | Fund | Shares sold | Value last quarter ↓ |
|---|---|---|---|
| Sound Shore Management | Sound Shore Management Inc | -627.0K | $69.38M |
| Two Sigma | Two Sigma Investments | -28.9K | $3.20M |
Politician trades
Column filters
| Politician | Date | Ticker | Asset | Type | Reported range ⓘThe dollar range the politician reported. Exact amounts are not disclosed. | Est. size ⓘOur estimate only: the midpoint of the reported range. | Owner | Account ⓘSubholding Of: the account the trade was in, as named on the report (e.g. an IRA or a brokerage account). The same stock bought on the same day in different accounts is a separate trade in each account. | Filed ↓ | Filing delay ⓘDays between the trade and the report. Over 45 days is late under the STOCK Act. | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Kevin Hern Politician | Aug 14, 2026 | ICLR | ICON plc - Ordinary Shares (ICLR) [ST] | Sale (partial) | $15,001 - $50,000 | Est. $32,500 (midpoint of reported range $15,001–$50,000) | Joint | Hern Family Foundation | Sep 1, 2026 | 18 days | PTR ↗ |
| Kevin Hern Politician | Mar 5, 2026 | ICLR | ICON plc - Ordinary Shares (ICLR) [ST] | Sale | $100,001 - $250,000 | Est. $175,000 (midpoint of reported range $100,001–$250,000) | Joint | Hern Family Revocable Trust | Apr 3, 2026 | 29 days | PTR ↗ |
| Julia Letlow Politician | Feb 12, 2026 | ICLR | ICON plc - Ordinary Shares (ICLR) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | Merrill Lynch Investment Account #025 | Mar 12, 2026 | 28 days | PTR ↗ |
| John James Politician | Sep 4, 2024 | ICLR | ICON plc - Ordinary Shares (ICLR) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | John A. James Children’s Trust | Sep 6, 2024 | 2 days | PTR ↗ |
| John James Politician | Jun 12, 2024 | ICLR | ICON plc - Ordinary Shares (ICLR) [ST] | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | John A. James Children’s Trust | Sep 2, 2024 | 82 days Late | PTR ↗ |