Castleark Management’s Tower Semiconductor TSEM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$959K Sell
3,680
-49,560
-93% -$11.9M 0.03% 239
2026
Q1
$9.34M Buy
+53,240
New +$7.16M 0.31% 65
2025
Q1
Sell
-105,770
Closed -$5.45M 341
2024
Q4
$5.45M Sell
105,770
-29,560
-22% -$1.38M 0.19% 132
2024
Q3
$5.99M Buy
+135,330
New +$5.54M 0.24% 103
2020
Q3
Sell
-278,815
Closed -$5.32M 375
2020
Q2
$5.32M Sell
278,815
-775
-0.3% -$14.8K 0.23% 117
2020
Q1
$4.45M Buy
279,590
+11,510
+4% +$240K 0.26% 109
2019
Q4
$6.45M Buy
268,080
+85,560
+47% +$1.92M 0.26% 131
2019
Q3
$3.51M Buy
+182,520
New +$3.41M 0.14% 174

Other funds holding TSEM

Castleark Management's TSEM Position: Q2 2026 in Review

Castleark Management reduced its Tower Semiconductor (TSEM) stake by 93% in Q2 2026, selling an estimated $11.9M and leaving 3,680 shares worth $959K. The position accounts for 0.03% of the portfolio, ranked #239.

Castleark Management first reported a position in TSEM in Q3 2019 and has held it in 8 quarters since. The position peaked at $9.34M in Q1 2026. 451 funds tracked by Wall St. Rank hold TSEM as of Q2 2026.

  • Castleark Management held 3,680 shares of Tower Semiconductor worth $959K as of Q2 2026.
  • Castleark Management sold 49,560 Tower Semiconductor shares in Q2 2026, an estimated $11.9M.
  • Tower Semiconductor made up 0.03% of Castleark Management's portfolio in Q2 2026, its #239 holding.
  • Castleark Management first reported a position in Tower Semiconductor in Q3 2019 and has held it in 8 quarters since.
  • Castleark Management's Tower Semiconductor position peaked at $9.34M in Q1 2026.
  • 451 funds tracked by Wall St. Rank held Tower Semiconductor as of Q2 2026.

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