ICON PLC

Ticker: ICLR CUSIP: G4705A100 Class: SHS

PARTHENON LLC's Holding History (CIK: 0001088859)

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

Q4 2025

Shares 79,203 Value ($000) $14,432 Avg Close $178.08 Range $154.12 - $198.30

Q3 2025

Shares 79,785 Value ($000) $13,962 Avg Close $167.36 Range $139.15 - $211.00

Q2 2025

Shares 61,970 Value ($000) $9,014 Avg Close $141.84 Range $125.10 - $175.88

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	79,203	$14,432	$178.08	$154.12 - $198.30
Q3 2025	79,785	$13,962	$167.36	$139.15 - $211.00
Q2 2025	61,970	$9,014	$141.84	$125.10 - $175.88