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Winton Group’s Adtran ADTN Stock Holding History

Winton Group’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 		– Sell
-15,000
Closed -$189K – 1147
2026
Q1 		$189K Buy
+15,000
New +$152K 0.01% 988
2024
Q2 		– Sell
-143,940
Closed -$783K – 560
2024
Q1 		$783K Buy
143,940
+99,579
+224% +$635K 0.06% 385
2023
Q4 		$326K Buy
44,361
+25,964
+141% +$171K 0.02% 516
2023
Q3 		$151K Buy
18,397
+8,163
+80% +$72.6K 0.01% 691
2023
Q2 		$108K Buy
+10,234
New +$102K 0.01% 717
2020
Q4 		– Sell
-24,540
Closed -$252K – 1307
2020
Q3 		$252K Sell
24,540
-11,601
-32% -$131K 0.01% 1293
2020
Q2 		$395K Sell
36,141
-55,052
-60% -$569K 0.01% 1231
2020
Q1 		$700K Sell
91,193
-95,239
-51% -$813K 0.02% 934
2019
Q4 		$1.84M Buy
186,432
+128,370
+221% +$1.22M 0.03% 829
2019
Q3 		$659K Buy
+58,062
New +$690K 0.01% 994
2019
Q1 		– Sell
-293,169
Closed -$3.15M – 1065
2018
Q4 		$3.15M Buy
+293,169
New +$4M 0.07% 285

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

Winton Group's ADTN Position: Q2 2026 in Review

Winton Group sold out of Adtran (ADTN) in Q2 2026, closing a stake of 15,000 shares — an estimated $189K sold.

Winton Group first reported a position in ADTN in Q4 2018 and held it in 11 quarters. The position peaked at $3.15M in Q4 2018. 249 funds tracked by Wall St. Rank hold ADTN as of Q2 2026.

  • Winton Group reported no remaining Adtran position as of Q2 2026 after selling out during the quarter.
  • Winton Group sold 15,000 Adtran shares in Q2 2026, an estimated $189K.
  • Winton Group first reported a position in Adtran in Q4 2018 and held it in 11 quarters.
  • Winton Group's Adtran position peaked at $3.15M in Q4 2018.
  • 249 funds tracked by Wall St. Rank held Adtran as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.