ICON PLC

PublicCIK: 1060955
ICLRNASDAQ
Location

DUBLIN 18, L2

13F Filings

Institutional Holders

ICON PLCICLR— Latest position per institution from SEC 13F filings

15

Institutional holders

57.06M

Total shares held

7.24B

Estimated value

2.85M

Avg. position size

1

ARTISAN PARTNERS LIMITED PARTNERSHIP

CIK 1466153

Shares

8.28M

Value

916.15M

Filed

Mar 31, 2026

2

WELLINGTON MANAGEMENT GROUP LLP

CIK 902219

Shares

5.91M

Value

654.34M

Filed

Mar 31, 2026

3

HARRIS ASSOCIATES L P

CIK 813917

Shares

4.35M

Value

481.52M

Filed

Mar 31, 2026

4

ORBIS ALLAN GRAY LTD

CIK 1663865

Shares

4.21M

Value

768M

Filed

Dec 31, 2025

5

FMR LLC

CIK 315066

Shares

4.17M

Value

461.90M

Filed

Mar 31, 2026

6

INVESCO LTD.

CIK 914208

Shares

3.88M

Value

429.24M

Filed

Mar 31, 2026

7

PRINCIPAL FINANCIAL GROUP INC

CIK 1126328

Shares

3.31M

Value

366.48M

Filed

Mar 31, 2026

8

BRAVE WARRIOR ADVISORS, LLC

CIK 1553733

Shares

3M

Value

331.63M

Filed

Mar 31, 2026

9

NINETY ONE UK LTD

CIK 1418329

Shares

2.95M

Value

536.79M

Filed

Dec 31, 2025

10

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

CIK 912938

Shares

2.73M

Value

304.90M

Filed

Mar 31, 2026

11

GREENHAVEN ASSOCIATES INC

CIK 846222

Shares

2M

Value

221.59M

Filed

Mar 31, 2026

12

RUANE, CUNNIFF & GOLDFARB L.P.

CIK 1720792

Shares

1.63M

Value

180.89M

Filed

Mar 31, 2026

13

SUSTAINABLE GROWTH ADVISERS, LP

CIK 1290668

Shares

1.51M

Value

264.56M

Filed

Mar 31, 2025

14

BRANDES INVESTMENT PARTNERS, LP

CIK 1015079

Shares

1.44M

Value

158.80M

Filed

Mar 31, 2026

15

WGI DM, LLC

CIK 2059126

Shares

1.40M

Value

254.38M

Filed

Dec 31, 2025

16

ALLIANCEBERNSTEIN L.P.

CIK 1109448

Shares

1.34M

Value

245.01M

Filed

Mar 31, 2026

17

MADISON AVENUE PARTNERS, LP

CIK 1801265

Shares

1.28M

Value

141.96M

Filed

Mar 31, 2026

18

D. E. SHAW & CO., INC.

CIK 1009207

Shares

1.23M

Value

136.36M

Filed

Mar 31, 2026

19

BLUESPRUCE INVESTMENTS, LP

CIK 1600285

Shares

1.22M

Value

256.50M

Filed

Dec 31, 2024

20

TRINITY STREET ASSET MANAGEMENT LLP

CIK 1592579

Shares

1.21M

Value

133.69M

Filed

Mar 31, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.