Icon ICLR Institutional Ownership

NASDAQ ICLR

$169.70 +0.77 (+0.46%)

As of: Aug 27, 2026 · 3:59 PM EDT

Institutions by Trading Activity

423 Institutions

Increased 233 55.1%

Unchanged 51 12.1%

Reduced 139 32.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

102.46%

▲+5.38 pp QoQ

Shares Held by Institutions

80.35Mn

of 78.42Mn outstanding

▲+13.45% QoQ

Shares Outstanding

78.42Mn

-1.93Mn held outside 13F filers

Institutional Investors

423

filed 13F for Jun 2026

▲+8 vs prior quarter

Net Shares Added (QoQ)

+9.53Mn

accumulated since last quarter

Value of Holdings

$13.57Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Icon Plc (NASDAQ:ICLR) showed up in the 13F filings of 409 institutional investors as of March 2026.

These investors held 99.4% of outstanding shares in March 2026, up from 98.9% in December 2025.
Their total shares held in ICLR increased 24.44% quarter over quarter, and separately, investors owning Icon decreased 26.31% from a year ago.
During the quarter, 218 of these 409 funds increased positions in ICLR, 138 reduced exposure, and 53 held steady.
Altogether, these fund groups held 76.11Mn shares in ICLR by March 2026, up by 14.95Mn shares quarter on quarter, and down 1.67Mn shares year over year.
Artisan Partners Limited Partnership leads ownership in ICLR with 8.28Mn shares as of March 31, 2026, equal to 10.81% of outstanding shares.
Top purchasers of ICLR stock for the quarter ending March 2026 included Brave Warrior Advisors, LLC (3.0Mn), GREENHAVEN ASSOCIATES INC (1.99Mn), HARRIS ASSOCIATES L P (1.84Mn), WELLINGTON MANAGEMENT GROUP LLP (1.56Mn), Artisan Partners Limited Partnership (1.4Mn).
The largest sellers of Icon for the quarter ending March 2026 were Franklin Resources Inc (2.18Mn), Allspring Global Investments Holdings, LLC (998.06K), Jpmorgan Chase & Co (734.93K), Boston Partners (423.76K), Capital World Investors (391.65K).
Icon's 10 largest shareholders as of March 2026 include Artisan Partners Limited Partnership (8.28Mn), WELLINGTON MANAGEMENT GROUP LLP (5.91Mn), HARRIS ASSOCIATES L P (4.35Mn), FMR LLC (4.17Mn), Invesco Ltd. (3.88Mn), Principal Financial Group Inc (3.31Mn), Brave Warrior Advisors, LLC (3.0Mn), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (2.73Mn), GREENHAVEN ASSOCIATES INC (2.0Mn), Ruane, Cunniff & Goldfarb L.P. (1.63Mn) per Business Quant data.

Form 13F Holdings

423 Institutional Holders

Report period 30 Jun, 2026

Total shares held 80.35Mn

Of outstanding 102.46%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Artisan Partners Limited Partnership	0001466153	8,636,406	11.01%	▲357,461	+4.32%	$1.50Bn
2	WELLINGTON MANAGEMENT GROUP LLP	0000902219	5,320,054	6.78%	▼592,983	-10.03%	$924.15Mn
3	FMR LLC	0000315066	5,271,321	6.72%	▲1,097,315	+26.29%	$915.68Mn
4	Invesco Ltd.	0000914208	5,264,236	6.71%	▲1,385,367	+35.72%	$914.45Mn
5	HARRIS ASSOCIATES L P	0000813917	4,468,146	5.70%	▲116,829	+2.68%	$776.16Mn
6	Brave Warrior Advisors, LLC	0001553733	3,153,308	4.02%	▲156,497	+5.22%	$547.76Mn
7	GREENHAVEN ASSOCIATES INC	0000846222	3,100,615	3.95%	▲1,098,204	+54.84%	$538.61Mn
8	Principal Financial Group Inc	0001126328	2,950,974	3.76%	▼360,797	-10.89%	$512.61Mn
9	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0000912938	2,105,171	2.68%	▼622,653	-22.83%	$369.45Mn
10	Ruane, Cunniff & Goldfarb L.P.	0001720792	2,048,087	2.61%	▲413,476	+25.30%	$355.77Mn
11	Boston Partners	0001386060	1,620,730	2.07%	▲785,591	+94.07%	$281.40Mn
12	Trinity Street Asset Management LLP	0001592579	1,535,462	1.96%	▲327,314	+27.09%	$266.73Mn
13	ALLIANCEBERNSTEIN L.P.	0001109448	1,378,196	1.76%	▲33,601	+2.50%	$152.51Mn
14	D. E. Shaw & Co., Inc.	0001009207	1,357,143	1.73%	▲158,588	+13.23%	$235.75Mn
15	DIMENSIONAL FUND ADVISORS LP	0000354204	1,270,230	1.62%	▲481,402	+61.03%	$220.65Mn
16	EARNEST PARTNERS LLC	0001102578	1,242,639	1.58%	▲356,849	+40.29%	$215.86Mn
17	Maple Rock Capital Partners Inc.	0001658363	1,199,600	1.53%	▲864,300	+257.77%	$208.38Mn
18	1832 Asset Management L.P.	0000944388	1,194,860	1.52%	▲1,620	+0.14%	$207.56Mn
19	BRANDES INVESTMENT PARTNERS, LP	0001015079	1,185,774	1.51%	▼249,279	-17.37%	$205.98Mn
20	Capital World Investors	0001422849	1,106,056	1.41%	▲1,225	+0.11%	$192.13Mn

Showing 1 to 20 of 423 holders