Security key
G4705A100
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 74,489,454
- Total 13F value
- $13,050,924,618
- Share change
- -1,914,911
- Put/Call ratio
- 155%
- SEC-reported price per share
- $174.99
- Number of holders
- 549
- Value change
- -$528,030,891
- Number of buys
- 251
- Number of sells
- 312
- Shares outstanding
- 76,293,275
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
549
Top holders
10
ICLR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
ICON PLC SEC filings
ICON PLC company facts
Broader feeds
Reporting periods
Holder history for CUSIP G4705A100
Recent filing periods:
Ownership snapshot
Top reported holders of ICLR - ICON PLC - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
WCM INVESTMENT MANAGEMENT...
Disclosed value leader
WCM INVESTMENT MANAGEMENT...
Comparable rows
15/15
Latest evidence
31 Dec 2024
13F
Lead comparable stake: 8.3%
Showing 1-6 of 15 holder rows.
Quick read
WCM INVESTMENT MANAGEMENT, LLC leads the comparable SEC ownership view at 8.3%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens WCM INVESTMENT MANAGEMENT, LLC's linked filing trail.
Comparable ownership
Top 5
WCM INVESTMENT MANAGEMENT, LLC
8.3%
MASSACHUSETTS FINANCIAL SERVICES ...
4.2%
Ninety One UK Ltd
3.9%
PRICE T ROWE ASSOCIATES INC /MD/
3.8%
FRANKLIN TEMPLETON INC
2.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| WCM INVESTMENT MANAGEMENT, LLC |
13F
Company
|
8.3%
|
$1,328,046,340
6,334,890 shares
|
— | 31 Dec 2024 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
Company
|
4.2%
|
$671,441,300
3,201,761 shares
|
— | 31 Dec 2024 |
| Ninety One UK Ltd |
13F
Company
|
3.9%
|
$618,005,514
2,946,953 shares
|
— | 31 Dec 2024 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
3.8%
|
$615,197,000
2,933,560 shares
|
— | 31 Dec 2024 |
| FRANKLIN TEMPLETON INC |
13F
Company
|
2.8%
|
$455,308,614
2,171,194 shares
|
— | 31 Dec 2024 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
2.8%
|
$443,168,399
2,113,244 shares
|
— | 31 Dec 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
549
Shares
74,489,454
Rows available
549
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2025 vs Q1 2025 Across Filers
Q1 2025 holders
549
Q1 2025 holders
549
Holder diff
0
| Investor | Q1 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend