Who owns ICLRWhat ICLR owns — n/a

Who owns ICON PLC?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of ICLR from SEC Form 13F filings across 602 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 602 institutions disclosed 174.7M shares of ICON PLC worth $9.86B; the largest disclosed holder is Metatron Capital SICAV plc. Source: SEC Form 13F filings, parsed by EvidInvest.

602

13F holders

$9.86B

value, 2026 filers

174.7M

shares disclosed

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ICLR's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	Metatron Capital SICAV plc	81.4M	$1.24B	1.2%	—	—
2	Artisan Partners Limited Partnership	8.3M	$916.1M	1.5%	—	—
3	WELLINGTON MANAGEMENT GROUP LLP	5.9M	$654.3M	0.1%	—	—
4	GREENHAVEN ASSOCIATES INC	3.1M	$538.6M	6.2%	—	—
5	PRINCIPAL FINANCIAL GROUP INC	3.0M	$512.6M	0.3%	—	—
6	HARRIS ASSOCIATES L P	4.4M	$481.5M	0.6%	—	—
7	FMR LLC	4.2M	$461.9M	0.0%	—	—
8	Invesco Ltd.	3.9M	$429.2M	0.0%	—	—
9	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	2.1M	$369.4M	0.1%	—	—
10	BlackRock Inc.	1.2M	$361.6M	0.0%	—	—
11	Brave Warrior Advisors, LLC	3.0M	$331.6M	8.2%	—	—
12	Boston Partners	1.6M	$281.4M	0.3%	—	—
13	Trinity Street Asset Management LLP	1.5M	$266.7M	13.7%	—	—
14	ALLIANCEBERNSTEIN L.P.	1.3M	$245.0M	0.1%	—	—
15	Sachem Head Capital Management LP	2.1M	$232.9M	5.6%	—	—
16	Ruane, Cunniff & Goldfarb L.P.	1.6M	$180.9M	3.0%	—	—
17	Pendal Group Ltd	896,996	$174.2M	1.5%	—	—
18	NORGES BANK	878,462	$160.1M	0.0%	—	—
19	BRANDES INVESTMENT PARTNERS, LP	1.4M	$158.8M	1.1%	—	—
20	Madison Avenue Partners, LP	1.3M	$142.0M	6.2%	—	—
21	D. E. Shaw & Co., Inc.	1.2M	$132.6M	0.1%	—	—
22	1832 Asset Management L.P.	1.2M	$132.0M	0.1%	—	—
23	Stephens Investment Management Group LLC	720,261	$125.1M	1.3%	—	—
24	Capital World Investors	1.1M	$122.3M	0.0%	—	—
25	EQUITY INVESTMENT CORP	1.1M	$121.3M	2.4%	—	—

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.