What does CUSIP G4705A100 represent in this 13F holders report?

CUSIP G4705A100 is the security identifier for ICLR - ICON PLC - Ordinary Shares used to aggregate holder disclosures.

How many institutions held ICLR - ICON PLC - Ordinary Shares in Q2 2017?

277 institutional investors reported ICLR - ICON PLC - Ordinary Shares for Q2 2017. Use the holders table for investor-level position and value details.

ICON PLC - Ordinary Shares (ICLR)

CUSIP: G4705A100

Q2 2017 13F Holders as of 30 Jun 2017

Type / Class: Equity / Ordinary Shares
Shares outstanding: 76,709,202
Total 13F shares: 50,104,754
Share change: -396,173
Total reported value: $4,899,893,472
Put/Call ratio: 169%
Price per share: $97.79
Number of holders: 277
Value change: -$30,804,098
Number of buys: 131
Number of sells: 126

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.

Newer quarter: Q3 2017
Previous quarter: Q1 2017

Recent filing periods for CUSIP G4705A100:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

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
WCM INVESTMENT MANAGEMENT, LLC	13F	Company	4.8%	3,712,253	$295,941,000	—	31 Mar 2017	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	4.7%	3,596,168	$286,687,000	—	31 Mar 2017	13F
EARNEST PARTNERS LLC	13F	Company	4.2%	3,184,791	$253,892,000	—	31 Mar 2017	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	3.9%	2,987,617	$238,173,000	—	31 Mar 2017	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	2.9%	2,210,273	$176,203,000	—	31 Mar 2017	13F
WASATCH ADVISORS LP	13F	Company	2.4%	1,837,140	$146,457,000	—	31 Mar 2017	13F
Neuberger Berman Group LLC	13F	Company	2.4%	1,826,331	$145,595,000	—	31 Mar 2017	13F
FMR LLC	13F	Company	2.2%	1,655,055	$131,941,000	—	31 Mar 2017	13F
Clearbridge Investments, LLC	13F	Company	2.1%	1,594,656	$127,126,000	—	31 Mar 2017	13F
Boston Partners	13F	Company	1.5%	1,168,487	$93,152,000	—	31 Mar 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	1.4%	1,086,506	$86,616,000	—	31 Mar 2017	13F
Perpetual Ltd	13F	Company	1.3%	975,436	$77,909,000	—	31 Mar 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1.2%	955,860	$76,201,000	—	31 Mar 2017	13F
WESTFIELD CAPITAL MANAGEMENT CO LP	13F	Company	1.2%	942,754	$75,156,000	—	31 Mar 2017	13F
AMERICAN CAPITAL MANAGEMENT INC	13F	Company	1.1%	829,900	$66,160,000	—	31 Mar 2017	13F
BAMCO INC /NY/	13F	Company	1.1%	829,200	$66,104,000	—	31 Mar 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.1%	826,603	$65,897,000	—	31 Mar 2017	13F
Stephens Investment Management Group LLC	13F	Company	0.94%	724,482	$57,756,000	—	31 Mar 2017	13F
JANUS HENDERSON GROUP PLC	13F	Company	0.94%	719,867	$57,391,000	—	31 Mar 2017	13F
Fiera Capital Corp	13F	Company	0.88%	672,415	$53,605,000	—	31 Mar 2017	13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	13F	Company	0.84%	640,792	$51,084,000	—	31 Mar 2017	13F
Perkins Investment Management, LLC	13F	Company	0.82%	626,638	$49,956,000	—	31 Mar 2017	13F
BROWN CAPITAL MANAGEMENT LLC	13F	Company	0.76%	580,953	$46,314,000	—	31 Mar 2017	13F
LORD, ABBETT & CO. LLC	13F	Company	0.75%	573,430	$45,714,000	—	31 Mar 2017	13F
SEI INVESTMENTS CO	13F	Company	0.7%	534,815	$42,635,000	—	31 Mar 2017	13F
NORGES BANK	13F	Company	0.69%	527,449	$42,048,000	—	31 Mar 2017	13F
MACQUARIE GROUP LTD	13F	Company	0.66%	507,492	$40,457,000	—	31 Mar 2017	13F
Baird Financial Group, Inc.	13F	Company	0.6%	461,494	$36,790,000	—	31 Mar 2017	13F
Polar Capital LLP	13F	Company	0.6%	459,428	$36,626,000	—	31 Mar 2017	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.57%	437,958	$34,914,000	—	31 Mar 2017	13F
CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC.	13F	Company	0.56%	433,064	$34,523,000	—	31 Mar 2017	13F
PEREGRINE CAPITAL MANAGEMENT LLC	13F	Company	0.55%	419,889	$33,893,000	—	31 Mar 2017	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.5%	383,659	$30,585,000	—	31 Mar 2017	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.49%	378,172	$30,148,000	—	31 Mar 2017	13F
STATE STREET CORP	13F	Company	0.49%	372,469	$29,693,000	—	31 Mar 2017	13F
Point72 Asset Management, L.P.	13F	Company	0.48%	369,500	$29,457,000	—	31 Mar 2017	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.43%	328,261	$26,169,000	—	31 Mar 2017	13F
Ranger Investment Management, L.P.	13F	Company	0.41%	315,507	$25,152,000	—	31 Mar 2017	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.41%	314,934	$25,107,000	—	31 Mar 2017	13F
Bank of New York Mellon Corp	13F	Company	0.41%	310,787	$24,777,000	—	31 Mar 2017	13F
LOOMIS SAYLES & CO L P	13F	Company	0.4%	306,952	$24,470,000	—	31 Mar 2017	13F
PFM Health Sciences, LP	13F	Company	0.38%	288,068	$22,965,000	—	31 Mar 2017	13F
IMPAX ASSET MANAGEMENT LLC	13F	Company	0.37%	285,908	$22,793,000	—	31 Mar 2017	13F
TODD ASSET MANAGEMENT LLC	13F	Company	0.36%	275,312	$21,948,000	—	31 Mar 2017	13F
AJO, LP	13F	Company	0.34%	260,557	$20,772,000	—	31 Mar 2017	13F
PALISADE CAPITAL MANAGEMENT, LP	13F	Company	0.34%	260,196	$20,743,000	—	31 Mar 2017	13F
TRILOGY GLOBAL ADVISORS LP	13F	Company	0.32%	244,197	$19,467,000	—	31 Mar 2017	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.31%	239,769	$19,114,385	—	31 Mar 2017	13F
NORTHERN TRUST CORP	13F	Company	0.31%	236,148	$18,826,000	—	31 Mar 2017	13F
BOSTON ADVISORS LLC	13F	Company	0.3%	228,686	$18,231,000	—	31 Mar 2017	13F

Institutional Holders of ICON PLC - Ordinary Shares (ICLR) as of Q2 2017

As of 30 Jun 2017, ICON PLC - Ordinary Shares (ICLR) was held by 277 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 50,104,754 shares. The largest 10 holders included WELLINGTON MANAGEMENT GROUP LLP, WCM INVESTMENT MANAGEMENT/CA, EARNEST PARTNERS LLC, ALLIANCEBERNSTEIN L.P., FMR LLC, ACADIAN ASSET MANAGEMENT LLC, WASATCH ADVISORS INC, Clearbridge Investments, LLC, Neuberger Berman Group LLC, and Boston Partners. This page lists 277 institutional shareholders reporting positions in this security for the Q2 2017 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2017 vs Q1 2017 Across Filers

Q1 2017 holders

269

Q2 2017 holders

277

Holder diff

Investor	Q1 2017 Shares	Q2 2017 Shares	Share Diff	Share Chg %	Q1 2017 Value $	Q2 2017 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.