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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
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 $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
DnB Asset Management
DnB Asset Management Oslo, Norway $28B AUM 26% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Winton Group's ADTN Position: Q1 2026 in Review

Winton Group opened a new position in Adtran (ADTN) in Q1 2026: 15,000 shares worth $189K. The stake represents 0.01% of the portfolio and ranks #988 among its holdings. This is a return to the name: Winton Group previously reported a position in ADTN as recently as Q1 2024.

Winton Group first reported a position in ADTN in Q4 2018 and has held it in 11 quarters since. The position peaked at $3.15M in Q4 2018. 227 funds tracked by Wall St. Rank hold ADTN as of Q1 2026.

  • Winton Group held 15,000 shares of Adtran worth $189K as of Q1 2026.
  • Adtran was a new Winton Group position in Q1 2026.
  • Adtran made up 0.01% of Winton Group's portfolio in Q1 2026, its #988 holding.
  • Winton Group first reported a position in Adtran in Q4 2018 and has held it in 11 quarters since.
  • Winton Group's Adtran position peaked at $3.15M in Q4 2018.
  • 227 funds tracked by Wall St. Rank held Adtran as of Q1 2026.

Based on Winton Group's 13F filing for Q1 2026, filed 12 May 2026.