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Of the 11 tracked institutions holding ICLR, 6 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +5.6pt. It's a gauge of who owns the name, not just how many.
Among the 11 tracked institutional investors we monitor, ICLR (ICON PLC) is held with a combined value of $1.75B across 15,794,051 shares. The largest holder is WELLINGTON MANAGEMENT GROUP LLP with a position worth $654.34M (0.12% of their portfolio). 3 funds opened new positions in the most recent quarter. 7 funds increased their holdings. 1 fund reduced its position.
Total Institutional Value
$1.75B
Total Shares Held
15,794,051
Institutional Holders
11
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | WELLINGTON MANAGEMENT GROUP LLP | $654.34M | 0.12% | +35.9% |
| 2 | HARRIS ASSOCIATES L P | $481.52M | 0.64% | +73.3% |
| 3 | FMR LLC | $461.90M | 0.02% | +34.7% |
| 4 | STATE STREET CORP | $50.59M | 0.00% | +26.6% |
| 5 | BlackRock, Inc. | $45.77M | 0.00% | +9.5% |
| 6 | CITADEL ADVISORS LLC | $27.84M | 0.02% | +499.6% |
| 7 | VANGUARD GROUP INC | $16.67M | 0.00% | +3.3% |
| 8 | ARMISTICE CAPITAL, LLC | $6.67M | 0.22% | New |
| 9 | MILLENNIUM MANAGEMENT LLC | $6.39M | 0.00% | New |
| 10 | MAVERICK CAPITAL LTD | $1.54M | 0.02% | New |
| Member | Type | Date |
|---|---|---|
| Kevin Hern | Sell | Mar 5, 2026 |
| Julia Letlow | Sell | Feb 12, 2026 |
| John James | Sell | Sep 4, 2024 |
| John James | Buy | Jun 12, 2024 |
As of the latest SEC 13F filings, WELLINGTON MANAGEMENT GROUP LLP is the largest institutional holder of ICLR with a position worth $654.34M, representing 0.12% of their portfolio. In total, 11 institutional investors hold ICLR with a combined value of $1.75B.
In the most recent quarter, 3 funds opened a new position in ICLR. Additionally, 7 increased their holdings and 1 reduced their positions.
Institutional investors hold $1.75B worth of ICLR stock across 11 positions. The largest institutional holder is WELLINGTON MANAGEMENT GROUP LLP with $654.34M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For ICLR, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their ICLR positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$165.76
2026-07-24
YTD
-12.1%
70% of 52-week range
