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, 2025
Ownership Breakdown
530
Institutional Holders
▲ 28 vs Q2
$13.08B
Total Inst. Value
▲ $1.88B vs Q2
76.57M
Shares Outstanding
freeFloat 99.06%
74.65M
13F Shares Held
▼ 2.37M 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 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ARTISAN PARTNERS LIMITED PARTNERSHIP services-commercial physical & biological research | 7.07M | 8.92% | 8.92% | $1.24T | Nov 12, 2025 | ▼ 113.5K |
WELLINGTON MANAGEMENT GROUP LLP services-commercial physical & biological research | 4.64M | 5.85% | 5.85% | $811.50B | Nov 14, 2025 | ▲ 975.3K |
ORBIS ALLAN GRAY LTD services-commercial physical & biological research | 4.14M | 5.22% | 5.22% | $724.29B | Nov 14, 2025 | ▲ 3.80M |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ services-commercial physical & biological research | 3.50M | 4.42% | 4.42% | $613.12B | Oct 29, 2025 | ▼ 248.5K |
INVESCO LTD. services-commercial physical & biological research | 3.43M | 4.33% | 4.33% | $599.84B | Nov 13, 2025 | ▲ 341.6K |
PRINCIPAL FINANCIAL GROUP INC services-commercial physical & biological research | 3.28M | 4.14% | 4.14% | $573.53B | Nov 4, 2025 | ▲ 2.89M |
NINETY ONE UK LTD services-commercial physical & biological research | 3.01M | 3.79% | 3.79% | $526.07B | Nov 13, 2025 | ▲ 12.5K |
FRANKLIN RESOURCES INC services-commercial physical & biological research | 2.75M | 3.47% | 3.47% | $481.69B | Nov 13, 2025 | ▲ 719.3K |
HARRIS ASSOCIATES L P services-commercial physical & biological research | 2.34M | 2.96% | 2.96% | $409.95B | Nov 14, 2025 | ▲ 704.5K |
FMR LLC services-commercial physical & biological research | 1.93M | 2.44% | 2.44% | $338.32B | Nov 13, 2025 | ▼ 31.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
25
Increased
+11.76M shares2
New Positions
first time holders22
Decreased
−5.15M shares0
Sold Out
fully exitedNet shares change (top 50)
+6.62M
+11.76M / −5.15M
Net new holders
+5
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 97.5% of total shares outstanding. Company insiders own approximately 0.94%, while retail and public investors account for the remaining 1.57%.
The largest institutional shareholder of ICON Public Limited Company is ARTISAN PARTNERS LIMITED PARTNERSHIP, holding approximately 7.07 million shares — equal to 8.92% of outstanding shares — as of September 30, 2025.
A total of 530 institutional investors currently hold ICLR stock, with a combined institutional value of approximately $13.08 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 97.5% of shares. The largest shareholder is ARTISAN PARTNERS LIMITED PARTNERSHIP with a 8.92% stake. Company insiders hold 0.94%. Data sourced from SEC Form 13F as of September 30, 2025.