Artisan Partners Limited Partnership

Holdings History for ICON PLC - Ordinary Shares (ICLR)

Symbol: ICLR on Nasdaq
Investment type: Equity / Ordinary Shares
Latest Disclosed Shares Owned: 8,361,303 shares
Security Ownership %: 11%

Shares, Excluding Options vs Price

Value, Excluding Options

Artisan Partners Asset Management Inc. ownership in ICON PLC Ordinary Shares (ICLR)

06 Mar 2026 - Artisan Partners Asset Management Inc. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 8,361,303 shares of ICON PLC Ordinary Shares (ICLR). This represents 11% ownership of the company. In their previous filing dated 12 Aug 2025, Artisan Partners Limited Partnership had reported owning 7,184,870 shares, indicating an increase of +16%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Artisan Partners Asset Management Inc.	11%	+21%	$669,573,144	8,361,303	+1,176,433	+16%	$80.08	13G/A	27 Feb 2026	06 Mar 2026, 14:00
Artisan Partners Asset Management Inc.	9%	+74%	$1,081,466,632	7,184,870	+2,893,946	+67%	$150.52	13G/A	30 Jun 2025	12 Aug 2025, 06:03
Artisan Partners Asset Management Inc.	5.3%		$640,677,862	4,290,924			$149.31	13G	31 Mar 2025	15 May 2025, 07:12

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	1.9%	-0.06%	$1,252,576,089	6,873,977	-197,383	-2.8%	$182.22	Q4 2025
30 Sep 2025	1.8%	-0.03%	$1,237,488,000	7,071,360	-113,510	-1.6%	$175.00	Q3 2025
30 Jun 2025	1.6%	+0.63%	$1,045,039,342	7,184,870	+2,893,946	+67%	$145.45	Q2 2025
31 Mar 2025	1.2%	+1.2%	$750,868,791	4,290,924	+4,095,633	+2000%	$174.99	Q1 2025
31 Dec 2024	0.06%	+0.06%	$40,954,476	195,291	+195,291	NEW	$209.71	Q4 2024
31 Dec 2023		-0.11%	$0	0	-258,535	-100%	$80.08	Q4 2023
30 Sep 2023	0.11%	+0.11%	$63,664,244	258,535	+258,535	NEW	$246.25	Q3 2023
30 Jun 2023		-0.24%	$0	0	-669,962	-100%	$80.08	Q2 2023
31 Mar 2023	0.24%	+0.13%	$143,097,184	669,962	+366,022	+120%	$213.59	Q1 2023
31 Dec 2022	0.1%	-0.01%	$59,040,345	303,940	-16,555	-5.2%	$194.25	Q4 2022
30 Sep 2022	0.1%	+0.1%	$58,901,000	320,495	+320,495	NEW	$183.78	Q3 2022
31 Mar 2022		-0.51%	$0	0	-1,373,074	-100%	$80.08	Q1 2022
31 Dec 2021	0.51%	+0.34%	$425,241,000	1,373,074	+915,062	+200%	$309.70	Q4 2021
30 Sep 2021	0.15%	+0.15%	$120,008,000	458,012	+458,012	NEW	$262.02	Q3 2021
30 Jun 2014		-0.03%	$0	0	-406,514	-100%	$80.08	Q2 2014
31 Mar 2014	0.03%	-0%	$19,330,000	406,514	-59,220	-13%	$47.55	Q1 2014
31 Dec 2013	0.03%	0%	$18,820,000	465,734	0		$40.41	Q4 2013

* 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.