SIP
ADTN icon

Stoneridge Investment Partners’s Adtran ADTN Stock Holding History

Stoneridge Investment Partners’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 		– Sell
-12,503
Closed -$109K – 129
2025
Q4 		$109K Buy
12,503
+1,843
+17% +$16K 0.08% 116
2025
Q3 		$100K Buy
+10,660
New +$99.3K 0.07% 110
2017
Q2 		– Sell
-15,450
Closed -$321K – 253
2017
Q1 		$321K Sell
15,450
-29,400
-66% -$638K 0.04% 248
2016
Q4 		$1M Buy
+44,850
New +$907K 0.14% 177
2016
Q3 		– Sell
-55,753
Closed -$1.04M – 261
2016
Q2 		$1.04M Buy
+55,753
New +$1.06M 0.16% 168

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
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
DnB Asset Management
DnB Asset Management Oslo, Norway $35.7B AUM 27.58% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Stoneridge Investment Partners's ADTN Position: Q1 2026 in Review

Stoneridge Investment Partners sold out of Adtran (ADTN) in Q1 2026, closing a stake of 12,503 shares — an estimated $109K sold.

Stoneridge Investment Partners first reported a position in ADTN in Q2 2016 and held it in 5 quarters. The position peaked at $1.04M in Q2 2016. 228 funds tracked by Wall St. Rank hold ADTN as of Q1 2026.

  • Stoneridge Investment Partners reported no remaining Adtran position as of Q1 2026 after selling out during the quarter.
  • Stoneridge Investment Partners sold 12,503 Adtran shares in Q1 2026, an estimated $109K.
  • Stoneridge Investment Partners first reported a position in Adtran in Q2 2016 and held it in 5 quarters.
  • Stoneridge Investment Partners's Adtran position peaked at $1.04M in Q2 2016.
  • 228 funds tracked by Wall St. Rank held Adtran as of Q1 2026.

Based on Stoneridge Investment Partners's 13F filing for Q1 2026, filed 6 May 2026.