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Needham Investment Management’s Adtran ADTN Stock Holding History

Needham Investment Management’s Portfolio ADTN Stock Details ADTN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$6.25M Sell
450,000
-778,500
-63% -$12.1M 0.19% 105
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

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
DnB Asset Management
DnB Asset Management Oslo, Norway $35.7B AUM 27.58% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Needham Investment Management's ADTN Position: Q2 2026 in Review

Needham Investment Management reduced its Adtran (ADTN) stake by 63% in Q2 2026, selling an estimated $12.1M and leaving 450,000 shares worth $6.25M. The position accounts for 0.19% of the portfolio, ranked #105.

Needham Investment Management first reported a position in ADTN in Q2 2020 and has held it in 25 quarters since. The position peaked at $18.2M in Q4 2021. 250 funds tracked by Wall St. Rank hold ADTN as of Q2 2026.

  • Needham Investment Management held 450,000 shares of Adtran worth $6.25M as of Q2 2026.
  • Needham Investment Management sold 778,500 Adtran shares in Q2 2026, an estimated $12.1M.
  • Adtran made up 0.19% of Needham Investment Management's portfolio in Q2 2026, its #105 holding.
  • Needham Investment Management first reported a position in Adtran in Q2 2020 and has held it in 25 quarters since.
  • Needham Investment Management's Adtran position peaked at $18.2M in Q4 2021.
  • 250 funds tracked by Wall St. Rank held Adtran as of Q2 2026.

Based on Needham Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.