Security key
G4705A100
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 46,561,126
- Total 13F value
- $9,083,752,864
- Share change
- +175,792
- Put/Call ratio
- 110%
- SEC-reported price per share
- $194.98
- Number of holders
- 413
- Value change
- +$35,609,160
- Number of buys
- 174
- Number of sells
- 166
- Shares outstanding
- 76,395,951
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
Q4 2020
Institutions
413
Top holders
10
ICLR full security history
Ownership snapshot
Full 13F holder table
ICON PLC SEC filings
ICON PLC company facts
Broader feeds
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
30 Sep 2020
13F
Lead comparable stake: 5.2%
Showing 1-6 of 15 holder rows.
Quick read
WCM INVESTMENT MANAGEMENT, LLC leads the comparable SEC ownership view at 5.2%.
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
5.2%
WELLINGTON MANAGEMENT GROUP LLP
5%
RENAISSANCE TECHNOLOGIES LLC
3.3%
Clearbridge Investments, LLC
3%
MASSACHUSETTS FINANCIAL SERVICES ...
2.9%
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
|
5.2%
|
$755,472,000
3,953,486 shares
|
— | 30 Sep 2020 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
5%
|
$731,273,000
3,826,860 shares
|
— | 30 Sep 2020 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
3.3%
|
$478,512,000
2,504,119 shares
|
— | 30 Sep 2020 |
| Clearbridge Investments, LLC |
13F
Company
|
3%
|
$435,552,000
2,279,302 shares
|
— | 30 Sep 2020 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
Company
|
2.9%
|
$423,288,000
2,215,117 shares
|
— | 30 Sep 2020 |
| COMGEST GLOBAL INVESTORS S.A.S. |
13F
Company
|
2.7%
|
$401,058,000
2,098,792 shares
|
— | 30 Sep 2020 |
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 Q4 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
413
Shares
46,561,126
Rows available
413
| 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 Q4 2020 vs Q3 2020 Across Filers
Q3 2020 holders
382
Q4 2020 holders
413
Holder diff
31
| Investor | Q3 2020 Shares | Q4 2020 Shares | Share Diff | Share Chg % | Q3 2020 value | Q4 2020 value | Value change | Value Chg % |
|---|