ICON PLC

Ticker: ICLR CUSIP: G4705A100 Class: SHS

Ruane, Cunniff & Goldfarb L.P.'s Holding History (CIK: 0001720792)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,679,590 Value ($000) $306,055 Avg Close $178.08 Range $154.12 - $198.30

Q3 2025

Shares 1,700,994 Value ($000) $297,674 Avg Close $167.36 Range $139.15 - $211.00

Q2 2025

Shares 1,708,183 Value ($000) $248,455 Avg Close $141.84 Range $125.10 - $175.88

Q1 2025

Shares 1,254,350 Value ($000) $219,499 Avg Close $193.87 Range $168.00 - $228.29

Q4 2024

Shares 1,265,540 Value ($000) $265,396 Avg Close $233.52 Range $183.38 - $303.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,679,590	$306,055	$178.08	$154.12 - $198.30
Q3 2025	1,700,994	$297,674	$167.36	$139.15 - $211.00
Q2 2025	1,708,183	$248,455	$141.84	$125.10 - $175.88
Q1 2025	1,254,350	$219,499	$193.87	$168.00 - $228.29
Q4 2024	1,265,540	$265,396	$233.52	$183.38 - $303.69