Needham Investment Management’s Adtran ADTN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$15.5M Sell
1,228,500
-219,000
-15% -$2.22M 0.79% 37
2025
Q4
$12.6M Buy
1,447,500
+272,500
+23% +$2.37M 0.79% 44
2025
Q3
$11M Buy
1,175,000
+55,000
+5% +$512K 0.77% 45
2025
Q2
$10M Hold
1,120,000
0.8% 42
2025
Q1
$9.77M Sell
1,120,000
-125,000
-10% -$1.26M 0.92% 39
2024
Q4
$10.4M Sell
1,245,000
-90,000
-7% -$664K 0.8% 42
2024
Q3
$7.92M Sell
1,335,000
-75,000
-5% -$417K 0.61% 51
2024
Q2
$7.42M Buy
1,410,000
+245,000
+21% +$1.25M 0.61% 48
2024
Q1
$6.34M Sell
1,165,000
-250,000
-18% -$1.59M 0.59% 48
2023
Q4
$10.4M Sell
1,415,000
-332,500
-19% -$2.19M 1.31% 21
2023
Q3
$14.4M Buy
1,747,500
+367,500
+27% +$3.27M 2.45% 9
2023
Q2
$14.5M Buy
1,380,000
+440,000
+47% +$4.36M 2.39% 13
2023
Q1
$14.9M Buy
940,000
+270,000
+40% +$4.69M 2.57% 11
2022
Q4
$12.6M Buy
670,000
+85,732
+15% +$1.72M 2.28% 13
2022
Q3
$11.4M Sell
584,268
-33,732
-5% -$736K 2.24% 13
2022
Q2
$10.8M Hold
618,000
2.03% 15
2022
Q1
$11.4M Sell
618,000
-180,500
-23% -$3.57M 1.65% 18
2021
Q4
$18.2M Buy
798,500
+123,500
+18% +$2.5M 2.29% 9
2021
Q3
$12.7M Buy
675,000
+195,000
+41% +$4.1M 1.69% 15
2021
Q2
$9.91M Sell
480,000
-195,000
-29% -$3.77M 1.45% 23
2021
Q1
$11.3M Hold
675,000
1.54% 21
2020
Q4
$9.97M Buy
675,000
+329,450
+95% +$4.18M 1.67% 19
2020
Q3
$3.54M Buy
345,550
+315,550
+1,052% +$3.58M 0.71% 49
2020
Q2
$328K Buy
+30,000
New +$310K 0.07% 92

Other funds holding ADTN

Needham Investment Management's ADTN Position: Q1 2026 in Review

Needham Investment Management reduced its Adtran (ADTN) stake by 15% in Q1 2026, selling an estimated $2.22M and leaving 1,228,500 shares worth $15.5M. The position accounts for 0.79% of the portfolio, ranked #37.

Needham Investment Management first reported a position in ADTN in Q2 2020 and has held it in 24 quarters since. The position peaked at $18.2M in Q4 2021. 227 funds tracked by Wall St. Rank hold ADTN as of Q1 2026.

  • Needham Investment Management held 1,228,500 shares of Adtran worth $15.5M as of Q1 2026.
  • Needham Investment Management sold 219,000 Adtran shares in Q1 2026, an estimated $2.22M.
  • Adtran made up 0.79% of Needham Investment Management's portfolio in Q1 2026, its #37 holding.
  • Needham Investment Management first reported a position in Adtran in Q2 2020 and has held it in 24 quarters since.
  • Needham Investment Management's Adtran position peaked at $18.2M in Q4 2021.
  • 227 funds tracked by Wall St. Rank held Adtran as of Q1 2026.

Based on Needham Investment Management's 13F filing for Q1 2026, filed 15 May 2026.