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

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

How many institutions held ICLR - ICON PLC - Common Stock in Q1 2016?

265 institutional investors reported ICLR - ICON PLC - Common Stock for Q1 2016. Use the holders table for investor-level position and value details.

ICON PLC - Common Stock (ICLR)

CUSIP: G4705A100

Q1 2016 13F Holders as of 31 Mar 2016

Type / Class: Equity / Common Stock
Shares outstanding: 76,056,255
Total 13F shares: 52,093,461
Share change: +296,773
Total reported value: $3,906,487,789
Put/Call ratio: 39%
Price per share: $75.10
Number of holders: 265
Value change: +$21,335,891
Number of buys: 122
Number of sells: 136

Quarterly Holders Quick Answers

What is CUSIP G4705A100?
CUSIP G4705A100 identifies ICLR - ICON PLC - Common Stock in SEC institutional holdings data.

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SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2016
Previous quarter: Q4 2015

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 - Common Stock (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	5.9%	4,490,038	$348,876,000	—	31 Dec 2015	13F
EARNEST PARTNERS LLC	13F	Company	5.9%	4,453,885	$346,067,000	—	31 Dec 2015	13F
Neuberger Berman Group LLC	13F	Company	5.4%	4,113,018	$319,581,000	—	31 Dec 2015	13F
Boston Partners	13F	Company	4.2%	3,162,082	$245,694,000	—	31 Dec 2015	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	3.3%	2,522,110	$195,970,000	—	31 Dec 2015	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	2.8%	2,096,148	$162,871,000	—	31 Dec 2015	13F
WASATCH ADVISORS LP	13F	Company	2.4%	1,828,426	$142,069,000	—	31 Dec 2015	13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	13F	Company	2.1%	1,625,707	$126,317,000	—	31 Dec 2015	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	2%	1,500,956	$116,624,000	—	31 Dec 2015	13F
Clearbridge Investments, LLC	13F	Company	1.6%	1,245,454	$96,772,000	—	31 Dec 2015	13F
BAMCO INC /NY/	13F	Company	1.4%	1,084,201	$84,242,000	—	31 Dec 2015	13F
WESTFIELD CAPITAL MANAGEMENT CO LP	13F	Company	1.4%	1,040,495	$80,846,000	—	31 Dec 2015	13F
Apex Capital Management	13F	Company	1.4%	1,028,157	$79,888,000	—	31 Dec 2015	13F
WELLS FARGO & COMPANY/MN	13F	Company	1.3%	955,794	$74,265,000	—	31 Dec 2015	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.1%	842,354	$65,451,000	—	31 Dec 2015	13F
AMERICAN CAPITAL MANAGEMENT INC	13F	Company	1%	777,635	$60,422,000	—	31 Dec 2015	13F
Ranger Investment Management, L.P.	13F	Company	0.95%	722,345	$56,126,000	—	31 Dec 2015	13F
Polar Capital LLP	13F	Company	0.87%	662,834	$51,502,000	—	31 Dec 2015	13F
JANUS HENDERSON GROUP PLC	13F	Company	0.78%	596,603	$46,356,000	—	31 Dec 2015	13F
SEI INVESTMENTS CO	13F	Company	0.78%	589,755	$45,824,000	—	31 Dec 2015	13F
Geneva Advisors, LLC	13F	Company	0.77%	588,747	$45,746,000	—	31 Dec 2015	13F
NORTHERN TRUST CORP	13F	Company	0.75%	567,524	$44,096,000	—	31 Dec 2015	13F
Stephens Investment Management Group LLC	13F	Company	0.75%	566,699	$44,033,000	—	31 Dec 2015	13F
NORGES BANK	13F	Company	0.7%	529,190	$41,118,000	—	31 Dec 2015	13F
MACQUARIE GROUP LTD	13F	Company	0.55%	420,409	$32,666,000	—	31 Dec 2015	13F
PALISADE CAPITAL MANAGEMENT, LP	13F	Company	0.53%	403,897	$31,383,000	—	31 Dec 2015	13F
HealthCor Management, L.P.	13F	Company	0.53%	400,000	$31,080,000	—	31 Dec 2015	13F
BOSTON ADVISORS LLC	13F	Company	0.52%	396,568	$30,813,000	—	31 Dec 2015	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	0.5%	380,006	$29,526,000	—	31 Dec 2015	13F
UBS Group AG	13F	Company	0.49%	376,035	$29,218,000	—	31 Dec 2015	13F
BROWN CAPITAL MANAGEMENT LLC	13F	Company	0.46%	353,051	$27,432,000	—	31 Dec 2015	13F
Century Capital Management, LLC	13F	Company	0.43%	327,404	$25,439,000	—	31 Dec 2015	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	0.42%	321,670	$24,994,000	—	31 Dec 2015	13F
Allianz Asset Management GmbH	13F	Company	0.42%	316,642	$24,641,000	—	31 Dec 2015	13F
KALMAR INVESTMENTS INC /DE/	13F	Company	0.42%	315,740	$24,533,000	—	31 Dec 2015	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.41%	313,018	$24,321,000	—	31 Dec 2015	13F
Nationwide Fund Advisors	13F	Company	0.38%	291,552	$22,654,000	—	31 Dec 2015	13F
OppenheimerFunds, Inc.	13F	Company	— class O/S missing	284,416	$22,099,000	—	31 Dec 2015	13F
TODD ASSET MANAGEMENT LLC	13F	Company	0.36%	276,006	$21,445,000	—	31 Dec 2015	13F
OBERWEIS ASSET MANAGEMENT INC/	13F	Company	0.36%	275,315	$21,392,000	—	31 Dec 2015	13F
GLOBEFLEX CAPITAL L P	13F	Company	0.35%	268,600	$20,870,000	—	31 Dec 2015	13F
CREDIT AGRICOLE S A	13F	Individual	0.33%	252,087	$19,588,000	—	31 Dec 2015	13F
RUSSELL FRANK CO/	13F	Company	0.33%	250,669	$19,588,000	—	31 Dec 2015	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.32%	243,373	$18,910,000	—	31 Dec 2015	13F
BANK OF MONTREAL /CAN/	13F	Company	0.31%	237,103	$18,423,000	—	31 Dec 2015	13F
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY	13F	Company	0.31%	234,560	$18,226,000	—	31 Dec 2015	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.3%	231,009	$17,949,000	—	31 Dec 2015	13F
BRAUN STACEY ASSOCIATES INC	13F	Company	0.28%	214,777	$16,689,000	—	31 Dec 2015	13F
Penn Capital Management Company, LLC	13F	Company	0.27%	206,620	$16,054,000	—	31 Dec 2015	13F
Bank of New York Mellon Corp	13F	Company	0.26%	199,527	$15,504,000	—	31 Dec 2015	13F

Institutional Holders of ICON PLC - Common Stock (ICLR) as of Q1 2016

As of 31 Mar 2016, ICON PLC - Common Stock (ICLR) was held by 265 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 52,093,461 shares. The largest 10 holders included WCM INVESTMENT MANAGEMENT/CA, EARNEST PARTNERS LLC, Neuberger Berman Group LLC, Boston Partners, ACADIAN ASSET MANAGEMENT LLC, WELLINGTON MANAGEMENT GROUP LLP, WASATCH ADVISORS INC, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC, ALLIANCEBERNSTEIN L.P., and Clearbridge Investments, LLC. This page lists 265 institutional shareholders reporting positions in this security for the Q1 2016 filing period.

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

Compare Q1 2016 vs Q4 2015 Across Filers

Q4 2015 holders

264

Q1 2016 holders

265

Holder diff

Investor	Q4 2015 Shares	Q1 2016 Shares	Share Diff	Share Chg %	Q4 2015 Value $	Q1 2016 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.