Castleark Management’s Extreme Networks EXTR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$2.49M Buy
+77,040
New +$1.86M 0.07% 196
2023
Q1
Sell
-163,860
Closed -$3M 298
2022
Q4
$3M Buy
+163,860
New +$2.87M 0.16% 141
2018
Q1
Sell
-560,340
Closed -$7.01M 415
2017
Q4
$7.01M Buy
560,340
+102,995
+23% +$1.27M 0.21% 151
2017
Q3
$5.44M Buy
457,345
+86,790
+23% +$892K 0.17% 175
2017
Q2
$3.42M Buy
+370,555
New +$3.28M 0.11% 214
2014
Q1
Sell
-679,950
Closed -$4.75M 319
2013
Q4
$4.75M Buy
+679,950
New +$4.22M 0.14% 151

Other funds holding EXTR

Castleark Management's EXTR Position: Q2 2026 in Review

Castleark Management opened a new position in Extreme Networks (EXTR) in Q2 2026: 77,040 shares worth $2.49M. The stake represents 0.07% of the portfolio and ranks #196 among its holdings. This is a return to the name: Castleark Management previously reported a position in EXTR as recently as Q4 2022.

Castleark Management first reported a position in EXTR in Q4 2013 and has held it in 6 quarters since. The position peaked at $7.01M in Q4 2017. 342 funds tracked by Wall St. Rank hold EXTR as of Q2 2026.

  • Castleark Management held 77,040 shares of Extreme Networks worth $2.49M as of Q2 2026.
  • Extreme Networks was a new Castleark Management position in Q2 2026.
  • Extreme Networks made up 0.07% of Castleark Management's portfolio in Q2 2026, its #196 holding.
  • Castleark Management first reported a position in Extreme Networks in Q4 2013 and has held it in 6 quarters since.
  • Castleark Management's Extreme Networks position peaked at $7.01M in Q4 2017.
  • 342 funds tracked by Wall St. Rank held Extreme Networks as of Q2 2026.

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