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Livermore
Livermore
ZHEN

Dimensional Fund Advisors LP

SEC CIK
0000354204
Latest filing
Aug 11, 2026

ADTN holding history

ADTRAN Holdings, Inc. in every 13F filed by Dimensional Fund Advisors LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ADTN overviewAll 13F holders of ADTNFull Q2 2026 holdings

Shares (Q2 2026)
1,366,243
Value
$19.0M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of ADTN by Dimensional Fund Advisors LP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,366,243$19.0M<0.1%+29,215+2.2%AddedHolders
Q1 20261,337,028$16.8M<0.1%+448,848+50.5%AddedHolders
Q4 2025888,180$7.72M<0.1%+457,143+106.1%AddedHolders
Q3 2025431,037$4.04M<0.1%−8,971−2.0%ReducedHolders
Q2 2025440,008$3.95M<0.1%−1,996−0.5%ReducedHolders
Q1 2025442,004$3.86M<0.1%−181,931−29.2%ReducedHolders
Q4 2024623,935$5.20M<0.1%+186,074+42.5%AddedHolders
Q3 2024437,861$2.60M<0.1%+157,946+56.4%AddedHolders
Q2 2024279,915$1.47M<0.1%+3,638+1.3%AddedHolders
Q1 2024276,277$1.50M<0.1%+245,554+799.3%AddedHolders
Q4 202330,723$225.5K<0.1%−41,390−57.4%ReducedHolders
Q3 202372,113$593.5K<0.1%−552,888−88.5%ReducedHolders
Q2 2023625,001$6.58M<0.1%−886,053−58.6%ReducedHolders
Q1 20231,511,054$24.0M<0.1%−521,838−25.7%ReducedHolders
Q4 20222,032,892$38.2M<0.1%−151,890−7.0%ReducedHolders
Q3 20222,184,782$42.8M<0.1%−62,020−2.8%ReducedHolders
Q2 20222,246,802$39.4M<0.1%−22,612−1.0%ReducedHolders
Q1 20222,269,414$41.9M<0.1%−2,138−0.1%ReducedHolders
Q4 20212,271,552$51.9M<0.1%−236,121−9.4%ReducedHolders
Q3 20212,507,673$47.0M<0.1%−20,970−0.8%ReducedHolders
Q2 20212,528,643$52.2M<0.1%−111,480−4.2%ReducedHolders
Q1 20212,640,123$44.0M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.