IES HLDGS INC

Ticker: IESC CUSIP: 44951W106 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025

Shares 262 Value ($000) $102 Avg Close $401.94 Range $340.13 - $482.35

Q3 2025

Shares 212 Value ($000) $84 Avg Close $344.15 Range $281.35 - $404.27

Q3 2024

Shares 176 Value ($000) $35 Avg Close $162.13 Range $129.16 - $207.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	262	$102	$401.94	$340.13 - $482.35
Q3 2025	212	$84	$344.15	$281.35 - $404.27
Q3 2024	176	$35	$162.13	$129.16 - $207.05