- Type / Class
- Equity / Ordinary Shares
- Shares outstanding
- 76,709,202
- Total 13F shares
- 72,953,264
- Share change
- +13,802,000
- Total reported value
- $19,117,236,220
- Put/Call ratio
- 28%
- Price per share
- $262.02
- Number of holders
- 499
- Value change
- +$3,665,800,590
- Number of buys
- 321
- Number of sells
- 167
Quarterly Holders Quick Answers
What is CUSIP G4705A100?
CUSIP G4705A100 identifies ICLR - ICON PLC - Ordinary Shares in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP G4705A100:
Top shareholders of ICLR - ICON PLC - Ordinary Shares (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
8%
|
6,118,282
|
$1,264,709,000 | — | 30 Jun 2021 | |
| WCM INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
5.3%
|
4,097,923
|
$847,082,000 | — | 30 Jun 2021 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
4.9%
|
3,760,132
|
$777,257,000 | — | 30 Jun 2021 | |
| COMGEST GLOBAL INVESTORS S.A.S. |
13F
|
Company |
3.8%
|
2,944,542
|
$608,666,000 | — | 30 Jun 2021 | |
| Clearbridge Investments, LLC |
13F
|
Company |
2.7%
|
2,075,750
|
$429,078,000 | — | 30 Jun 2021 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
2.6%
|
2,030,651
|
$419,760,000 | — | 30 Jun 2021 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
2.6%
|
1,988,818
|
$411,109,000 | — | 30 Jun 2021 | |
| Pendal Group Ltd |
13F
|
Company |
2.2%
|
1,660,053
|
$343,149,000 | — | 30 Jun 2021 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
2%
|
1,525,271
|
$315,289,000 | — | 30 Jun 2021 | |
| Ninety One UK Ltd |
13F
|
Company |
1.8%
|
1,401,830
|
$289,772,000 | — | 30 Jun 2021 | |
| WESTFIELD CAPITAL MANAGEMENT CO LP |
13F
|
Company |
1.7%
|
1,306,581
|
$270,083,000 | — | 30 Jun 2021 | |
| FIL Ltd |
13F
|
Company |
1.6%
|
1,196,445
|
$247,318,000 | — | 30 Jun 2021 | |
| Boston Partners |
13F
|
Company |
1.4%
|
1,109,174
|
$229,313,000 | — | 30 Jun 2021 | |
| AustralianSuper Pty Ltd |
13F
|
Company |
1.4%
|
1,087,257
|
$224,747,000 | — | 30 Jun 2021 | |
| WASATCH ADVISORS LP |
13F
|
Company |
1.4%
|
1,075,175
|
$222,249,000 | — | 30 Jun 2021 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.2%
|
897,887
|
$185,602,000 | — | 30 Jun 2021 | |
| Invesco Ltd. |
13F
|
Company |
1.1%
|
877,925
|
$181,476,000 | — | 30 Jun 2021 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
1.1%
|
833,340
|
$172,260,000 | — | 30 Jun 2021 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
1.1%
|
824,839
|
$170,503,000 | — | 30 Jun 2021 | |
| POLEN CAPITAL MANAGEMENT LLC |
13F
|
Company |
1%
|
782,534
|
$161,758,000 | — | 30 Jun 2021 | |
| AMERICAN CAPITAL MANAGEMENT INC |
13F
|
Company |
0.94%
|
724,247
|
$149,709,000 | — | 30 Jun 2021 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
0.93%
|
711,598
|
$147,011,000 | — | 30 Jun 2021 | |
| NORGES BANK |
13F
|
Company |
0.89%
|
684,804
|
$141,556,000 | — | 30 Jun 2021 | |
| BAMCO INC /NY/ |
13F
|
Company |
0.87%
|
670,678
|
$138,636,000 | — | 30 Jun 2021 | |
| MORGAN STANLEY |
13F
|
Company |
0.87%
|
668,060
|
$138,095,000 | — | 30 Jun 2021 | |
| Neuberger Berman Group LLC |
13F
|
Company |
0.87%
|
666,620
|
$136,225,000 | — | 30 Jun 2021 | |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.83%
|
633,067
|
$130,861,000 | — | 30 Jun 2021 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.82%
|
626,566
|
$129,517,000 | — | 30 Jun 2021 | |
| EARNEST PARTNERS LLC |
13F
|
Company |
0.69%
|
529,365
|
$109,425,000 | — | 30 Jun 2021 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.68%
|
523,311
|
$108,174,000 | — | 30 Jun 2021 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.64%
|
491,982
|
$101,697,000 | — | 30 Jun 2021 | |
| Stephens Investment Management Group LLC |
13F
|
Company |
0.62%
|
474,281
|
$98,039,000 | — | 30 Jun 2021 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.61%
|
466,602
|
$96,452,000 | — | 30 Jun 2021 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.6%
|
463,539
|
$95,818,000 | — | 30 Jun 2021 | |
| LAZARD ASSET MANAGEMENT LLC |
13F
|
Company |
0.59%
|
450,794
|
$93,183,000 | — | 30 Jun 2021 | |
| PUTNAM INVESTMENTS LLC |
13F
|
Company |
0.53%
|
405,236
|
$83,767,000 | — | 30 Jun 2021 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.53%
|
405,059
|
$83,730,000 | — | 30 Jun 2021 | |
| Baird Financial Group, Inc. |
13F
|
Company |
0.5%
|
381,811
|
$78,924,000 | — | 30 Jun 2021 | |
| BANK OF MONTREAL /CAN/ |
13F
|
Company |
0.46%
|
352,784
|
$74,876,000 | — | 30 Jun 2021 | |
| Trinity Street Asset Management LLP |
13F
|
Company |
0.44%
|
338,118
|
$69,892,000 | — | 30 Jun 2021 | |
| BROWN CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.43%
|
332,465
|
$68,724,000 | — | 30 Jun 2021 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.42%
|
319,970
|
$66,141,000 | — | 30 Jun 2021 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.41%
|
314,041
|
$64,915,000 | — | 30 Jun 2021 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.4%
|
303,880
|
$62,815,000 | — | 30 Jun 2021 | |
| CIBC Private Wealth Group LLC |
13F
|
Company |
0.37%
|
285,157
|
$58,945,000 | — | 30 Jun 2021 | |
| PALISADE CAPITAL MANAGEMENT, LP |
13F
|
Company |
0.34%
|
261,198
|
$53,992,000 | — | 30 Jun 2021 | |
| Montanaro Asset Management Ltd |
13F
|
Company |
0.31%
|
237,900
|
$49,176,000 | — | 30 Jun 2021 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
0.31%
|
235,351
|
$48,649,000 | — | 30 Jun 2021 | |
| Nuveen Asset Management, LLC |
13F
|
Company |
0.3%
|
229,897
|
$47,522,000 | — | 30 Jun 2021 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.27%
|
208,780
|
$43,153,000 | — | 30 Jun 2021 |
Institutional Holders of ICON PLC - Ordinary Shares (ICLR) as of Q3 2021
As of 30 Sep 2021,
ICON PLC - Ordinary Shares (ICLR) was held by
499 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
72,953,264 shares.
The largest 10 holders included
MASSACHUSETTS FINANCIAL SERVICES CO /MA/, WCM INVESTMENT MANAGEMENT, LLC, WELLINGTON MANAGEMENT GROUP LLP, COMGEST GLOBAL INVESTORS S.A.S., Clearbridge Investments, LLC, JANUS HENDERSON GROUP PLC, Boston Partners, ACADIAN ASSET MANAGEMENT LLC, AMERICAN CENTURY COMPANIES INC, and Pendal Group Ltd.
This page lists
499
institutional shareholders reporting positions in this security
for the Q3 2021 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2021 vs Q2 2021 Across Filers
Q2 2021 holders
441
Q3 2021 holders
499
Holder diff
58
| Investor | Q2 2021 Shares | Q3 2021 Shares | Share Diff | Share Chg % | Q2 2021 Value $ | Q3 2021 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.