ICON Public Limited Company
ICON Public Limited Company (ICLR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ICLR · as of Sep 30, 2024
Ownership Breakdown
678
Institutional Holders
▼ 7 vs Q2
$22.36B
Total Inst. Value
▼ $1.88B vs Q2
76.57M
Shares Outstanding
freeFloat 99.06%
78.78M
13F Shares Held
▲ 1.33M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ICLR largest shareholders · institutional ownership
Q3 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
WCM INVESTMENT MANAGEMENT, LLC services-commercial physical & biological research | 6.65M | 8.03% | 8.03% | $1.90T | Nov 4, 2024 | ▼ 19.2K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ services-commercial physical & biological research | 4.06M | 4.91% | 4.91% | $1.17T | Nov 12, 2024 | ▼ 939.7K |
PRICE T ROWE ASSOCIATES INC /MD/ services-commercial physical & biological research | 3.35M | 4.05% | 4.05% | $962.66B | Nov 14, 2024 | ▲ 731.5K |
WELLINGTON MANAGEMENT GROUP LLP services-commercial physical & biological research | 3.08M | 3.72% | 3.72% | $885.48B | Nov 14, 2024 | ▲ 322.3K |
NINETY ONE UK LTD services-commercial physical & biological research | 2.70M | 3.26% | 3.26% | $774.70B | Nov 12, 2024 | ▲ 18.1K |
LAZARD ASSET MANAGEMENT LLC services-commercial physical & biological research | 2.36M | 2.85% | 2.85% | $678.07B | Nov 14, 2024 | ▼ 87.3K |
BOSTON PARTNERS services-commercial physical & biological research | 2.28M | 2.76% | 2.76% | $656.49B | Nov 12, 2024 | ▼ 334.7K |
FMR LLC services-commercial physical & biological research | 2.19M | 2.64% | 2.64% | $629.30B | Nov 13, 2024 | ▼ 6.2K |
CAPITAL RESEARCH GLOBAL INVESTORS services-commercial physical & biological research | 1.90M | 2.30% | 2.30% | $546.37B | Nov 13, 2024 | ▲ 1.5K |
INVESCO LTD. services-commercial physical & biological research | 1.84M | 2.22% | 2.22% | $527.74B | Nov 12, 2024 | ▲ 29.6K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2024 vs prior quarter
Q3 2024
28
Increased
+4.71M shares2
New Positions
first time holders19
Decreased
−2.94M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.77M
+4.71M / −2.94M
Net new holders
+11
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ICLR insider trading · insider activity
Source: SEC Form 4
3
Buy transactions
3
Sell transactions
1.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Murphy Ronan Martin director | May 14, 2026 | Award | 5,005 | $125.74 | $629.3K | 5.0K | Form 4 ↗ |
Murphy Ronan Martin director | May 14, 2026 | D-Return | 5,005 | $125.74 | $629.3K | 0 | Form 4 ↗ |
CLIMAX JOHN DR director | May 14, 2026 | Award | 5,005 | $125.74 | $629.3K | 5.0K | Form 4 ↗ |
CLIMAX JOHN DR director | May 14, 2026 | D-Return | 5,005 | $125.74 | $629.3K | 0 | Form 4 ↗ |
McCague Eugene Pacelli director | May 14, 2026 | Award | 3,255 | $125.74 | $409.3K | 3.3K | Form 4 ↗ |
McCague Eugene Pacelli director | May 14, 2026 | D-Return | 3,255 | $125.74 | $409.3K | 0 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
ICON Public Limited Company (ICLR) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 0.94%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of ICON Public Limited Company is WCM INVESTMENT MANAGEMENT, LLC, holding approximately 6.65 million shares — equal to 8.03% of outstanding shares — as of September 30, 2024.
A total of 678 institutional investors currently hold ICLR stock, with a combined institutional value of approximately $22.36 billion as of the most recent 13F filing period.
Frequently asked questions
ICLR ownershipICON Public Limited Company (ICLR) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is WCM INVESTMENT MANAGEMENT, LLC with a 8.03% stake. Company insiders hold 0.94%. Data sourced from SEC Form 13F as of September 30, 2024.