ADTRAN INC

CUSIP: 00738A106 Class: COMMON STOCK

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q2 2022
Shares 2,246,802 Value ($000) $39,387 Avg Close — Range —
Q1 2022
Shares 2,269,414 Value ($000) $41,871 Avg Close — Range —
Q4 2021
Shares 2,271,552 Value ($000) $51,860 Avg Close — Range —
Q3 2021
Shares 2,507,673 Value ($000) $47,043 Avg Close — Range —
Q2 2021
Shares 2,528,643 Value ($000) $52,217 Avg Close — Range —
Q1 2021
Shares 2,640,123 Value ($000) $44,037 Avg Close — Range —
Q4 2020
Shares 2,779,006 Value ($000) $41,046 Avg Close — Range —
Q3 2020
Shares 2,947,442 Value ($000) $30,226 Avg Close — Range —
Q2 2020
Shares 3,097,341 Value ($000) $33,854 Avg Close — Range —
Q1 2020
Shares 3,350,182 Value ($000) $25,730 Avg Close — Range —
Q4 2019
Shares 3,565,669 Value ($000) $35,264 Avg Close — Range —
Q3 2019
Shares 3,628,014 Value ($000) $41,160 Avg Close — Range —
Q2 2019
Shares 3,646,909 Value ($000) $55,615 Avg Close — Range —
Q1 2019
Shares 3,667,214 Value ($000) $50,242 Avg Close — Range —
Q4 2018
Shares 3,543,613 Value ($000) $38,059 Avg Close — Range —
Q3 2018
Shares 3,537,240 Value ($000) $62,432 Avg Close — Range —
Q2 2018
Shares 3,459,427 Value ($000) $51,372 Avg Close — Range —
Q1 2018
Shares 3,277,129 Value ($000) $50,959 Avg Close — Range —
Q4 2017
Shares 3,027,170 Value ($000) $58,582 Avg Close — Range —
Q3 2017
Shares 2,985,965 Value ($000) $71,662 Avg Close — Range —
Q2 2017
Shares 3,001,065 Value ($000) $61,972 Avg Close — Range —
Q1 2017
Shares 2,870,230 Value ($000) $59,558 Avg Close — Range —
Q4 2016
Shares 2,697,791 Value ($000) $60,297 Avg Close — Range —
Q3 2016
Shares 2,616,193 Value ($000) $50,074 Avg Close — Range —
Q2 2016
Shares 2,652,728 Value ($000) $49,472 Avg Close — Range —
Q1 2016
Shares 2,605,324 Value ($000) $52,680 Avg Close — Range —
Q4 2015
Shares 2,236,295 Value ($000) $38,509 Avg Close — Range —
Q3 2015
Shares 2,043,130 Value ($000) $29,830 Avg Close — Range —
Q2 2015
Shares 2,009,038 Value ($000) $32,647 Avg Close — Range —
Q1 2015
Shares 1,833,032 Value ($000) $34,223 Avg Close — Range —
Q4 2014
Shares 1,535,009 Value ($000) $33,464 Avg Close — Range —
Q3 2014
Shares 1,348,621 Value ($000) $27,688 Avg Close — Range —
Q2 2014
Shares 1,315,201 Value ($000) $29,671 Avg Close — Range —
Q1 2014
Shares 908,276 Value ($000) $22,172 Avg Close — Range —
Q4 2013
Shares 785,488 Value ($000) $21,216 Avg Close — Range —
Q3 2013
Shares 737,479 Value ($000) $19,645 Avg Close — Range —
Q2 2013
Shares 530,594 Value ($000) $13,057 Avg Close — Range —