13F Insight
DOSSIER · 13F Holders · Q1 2026

ICON PLC

441 institutions still hold ICON PLC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G4705A100·441 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$6.0B
visible holders
Holders
441
filers reporting
Concentration
15.23%
Artisan Partners Limited Partnership #1
top holder share
AI Holders Summary · Q1 2026

441 institutions reported ICON PLC in Q1 2026. Artisan Partners Limited Partnership leads at 15.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Artisan Partners Limited Partnership
CIK 0001466153
$916M8.3M1.47%Q1 202602
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$654M5.9M0.12%Q1 202603
HARRIS ASSOCIATES L P
CIK 0000813917
$482M4.4M0.64%Q1 202604
FMR LLC
CIK 0000315066
$462M4.2M0.02%Q1 202605
Invesco Ltd.
CIK 0000914208
$429M3.9M0.04%Q1 202606
PRINCIPAL FINANCIAL GROUP INC
CIK 0001126328
$366M3.3M0.20%Q1 202607
Brave Warrior Advisors, LLC
CIK 0001553733
$332M3.0M8.21%Q1 202608
Ruane, Cunniff & Goldfarb L.P.
CIK 0001720792
$306M1.7M4.78%Q4 202509
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 0000912938
$305M2.7M0.10%Q1 202610
Trinity Street Asset Management LLP
CIK 0001592579
$267M1.5M13.74%Q2 202611
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$245M1.3M0.08%Q1 202612
GREENHAVEN ASSOCIATES INC
CIK 0000846222
$222M2.0M3.65%Q1 202613
BRANDES INVESTMENT PARTNERS, LP
CIK 0001015079
$159M1.4M1.12%Q1 202614
Madison Avenue Partners, LP
CIK 0001801265
$142M1.3M6.17%Q1 202615
1832 Asset Management L.P.
CIK 0000944388
$132M1.2M0.12%Q1 202616
JENNISON ASSOCIATES LLC
CIK 0000053417
$124M678K0.07%Q4 202517
Capital World Investors
CIK 0001422849
$122M1.1M0.02%Q1 202618
EQUITY INVESTMENT CORP
CIK 0001685771
$121M1.1M2.38%Q1 202619
D. E. Shaw & Co., Inc.
CIK 0001009207
$119M655K0.07%Q4 202520
First Pacific Advisors, LP
CIK 0001377581
$110M991K1.54%Q1 2026
Page 1 of 23
421 more holders available. Log in →