ICON PLC

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ICLR·G4705A100·US·Common Stock·Healthcare - Diagnostics & Research-13D/G

ICLR (ICON PLC) is held by 162 institutional investors as of Q1 2026. Largest holders: Artisan Partners Limited Partnership ($916.1M), WELLINGTON MANAGEMENT GROUP LLP ($654.3M), HARRIS ASSOCIATES L P ($481.5M). Net institutional sentiment: Mixed. In Q1 2026, 2 members of Congress and 93 funds bought ICLR.

162

Holders

(16 Elite)

$6.2B

Total Value

48% (194)

Consensus

93 buying - 101 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)

Insider (Form 4)

Activist (13D/13G)

Congressional (STOCK Act)

Holder Quality

★★★★★

Elite

★★★★

Strong

★★★

Solid

★★

Below

★

Weak

Held by 162 funds

16 elite

Who's Trading

ActivistWellington Management Group LLP7.7%May 15, 2026

ActivistHARRIS ASSOCIATES L P5.7%May 15, 2026

ActivistOIORBIS INVESTMENT MANAGEMENT LTD0.0%May 15, 2026

ActivistFMR LLC5.5%May 6, 2026

ActivistInvesco Ltd.5.1%May 6, 2026

CongressKevin HernSale $100,001 - $250,000Mar 5, 2026

CongressJulia LetlowSale $1,001 - $15,000Feb 12, 2026

CongressDonald J. TrumpBuy $1,001 - $15,000Nov 21, 2025

CongressDonald J. TrumpBuy $1,001 - $15,000Aug 15, 2025

CongressDonald J. TrumpBuy $1,001 - $15,000Jul 15, 2025

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Top Holders (162)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
Artisan Partners Limited Partnership	Increased	8.3M(+20.4%)	$916.1M	1.5%	+7.32%	60
WELLINGTON MANAGEMENT GROUP LLP	Increased	5.9M(+35.9%)	$654.3M	0.1%	-2.04%	49
HARRIS ASSOCIATES L P	Increased	4.4M(+73.3%)	$481.5M	0.6%	+25.24%	66
FMR LLC	Increased	4.2M(+34.7%)	$461.9M	0.0%	-1.92%	40
Invesco Ltd.	Increased	3.9M(+3.3%)	$429.2M	0.1%	-14.28%	32
PRINCIPAL FINANCIAL GROUP INC	Increased	3.3M(+10.3%)	$366.5M	0.2%	+4.33%	41
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	Increased	2.7M(+15.7%)	$304.9M	0.1%	-7.24%	43
ALLIANCEBERNSTEIN L.P.	Increased	1.3M(+5.7%)	$245M	0.1%	-11.34%	33
BRANDES INVESTMENT PARTNERS, LP	Increased	1.4M(+84.8%)	$158.8M	1.1%	+23.43%	74
DED. E. Shaw & Co., Inc.	Increased	1.2M(+83.5%)	$132.6M	0.1%	+10.35%	47
1A1832 Asset Management L.P.	Decreased	1.2M(-0.9%)	$132M	0.1%	+8.67%	0
Capital World Investors	Decreased	1.1M(-26.2%)	$122.3M	0.0%	-6.83%	0
VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.	Increased	918,713(+23.6%)	$101.7M	0.9%	-0.66%	51
EARNEST PARTNERS LLC	Decreased	885,790(-0.5%)	$98M	0.4%	+3.10%	0
Holocene Advisors, LP	Increased	840,845(+419.1%)	$93M	0.2%	+41.67%	58
Boston Partners	Decreased	835,139(-33.7%)	$92.4M	0.1%	-3.50%	0
DIMENSIONAL FUND ADVISORS LP	Increased	788,828(+50.8%)	$87.3M	0.0%	-12.07%	41
FRANKLIN RESOURCES INC	Decreased	816,085(-72.7%)	$86.5M	0.0%	-15.18%	0
SEI INVESTMENTS CO	Decreased	757,489(-3.6%)	$83.8M	0.1%	-7.75%	0
GOLDMAN SACHS GROUP INC	Increased	630,621(+33.3%)	$69.8M	0.0%	-4.11%	38

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