ADTRAN HOLDINGS INC

Ticker: ADTN CUSIP: 00486H105 Class: Common Stock

Campbell & CO Investment Adviser LLC's Holding History (CIK: 0001353570)

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

Q4 2025

Shares 30,732 Value ($000) $267 Avg Close $8.68 Range $7.11 - $10.75

Q3 2025

Shares 18,049 Value ($000) $169 Avg Close $9.32 Range $7.95 - $10.64

Q4 2023

Shares 69,117 Value ($000) $507 Avg Close $6.59 Range $4.91 - $8.56

Q3 2022

Shares 17,430 Value ($000) $341 Avg Close $21.11 Range $16.78 - $24.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30,732	$267	$8.68	$7.11 - $10.75
Q3 2025	18,049	$169	$9.32	$7.95 - $10.64
Q4 2023	69,117	$507	$6.59	$4.91 - $8.56
Q3 2022	17,430	$341	$21.11	$16.78 - $24.69