ICON PLC

Ticker: ICLR CUSIP: G4705A100 Class: SHS

Avidity Partners Management LP's Holding History (CIK: 0001791827)

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

Q4 2025

Shares 33,100 Value ($000) $6,031 Avg Close $178.08 Range $154.12 - $198.30

Q1 2023

Shares 142,900 Value ($000) $30,522 Avg Close $222.55 Range $190.73 - $247.47

Q4 2022

Shares 215,000 Value ($000) $41,764 Avg Close $198.26 Range $171.43 - $229.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	33,100	$6,031	$178.08	$154.12 - $198.30
Q1 2023	142,900	$30,522	$222.55	$190.73 - $247.47
Q4 2022	215,000	$41,764	$198.26	$171.43 - $229.84