ICON PLC

Ticker: ICLR CUSIP: G4705A100 Class: SHS

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q3 2023

Shares 38 Value ($000) $8 Avg Close $252.02 Range $233.81 - $268.07

Q2 2022

Shares 41 Value ($000) $8 Avg Close $224.24 Range $196.34 - $263.62

Q1 2022

Shares 41 Value ($000) $9 Avg Close $250.60 Range $208.13 - $312.28

Q4 2021

Shares 46 Value ($000) $14 Avg Close $279.80 Range $254.34 - $313.00

Q3 2021

Shares 46 Value ($000) $12 Avg Close $243.05 Range $205.10 - $301.72

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	38	$8	$252.02	$233.81 - $268.07
Q2 2022	41	$8	$224.24	$196.34 - $263.62
Q1 2022	41	$9	$250.60	$208.13 - $312.28
Q4 2021	46	$14	$279.80	$254.34 - $313.00
Q3 2021	46	$12	$243.05	$205.10 - $301.72