John Overdeck’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
$1.25M Buy
4,800
+2,000
+71% +$479K ﹤0.01% 3434
2026
Q1
$491K Sell
2,800
-3,200
-53% -$430K ﹤0.01% 3760
2025
Q4
$705K Buy
+6,000
New +$578K ﹤0.01% 3136
2021
Q3
Sell
-9,300
Closed -$274K 4723
2021
Q2
$274K Sell
9,300
-1,200
-11% -$33.7K ﹤0.01% 3578
2021
Q1
$294K Buy
+10,500
New +$309K ﹤0.01% 3338

Other funds holding TSEM

John Overdeck's TSEM Position: Q2 2026 in Review

John Overdeck increased its Tower Semiconductor (TSEM) stake by 6,274% in Q2 2026, buying an estimated $144M and bringing the position to 611,924 shares worth $159M. The position accounts for 0.12% of the portfolio, ranked #194.

John Overdeck first reported a position in TSEM in Q2 2014 and has held it in 34 quarters since. 450 funds tracked by Wall St. Rank hold TSEM as of Q2 2026.

  • John Overdeck held 611,924 shares of Tower Semiconductor worth $159M as of Q2 2026.
  • John Overdeck bought 602,324 Tower Semiconductor shares in Q2 2026, an estimated $144M.
  • Tower Semiconductor made up 0.12% of John Overdeck's portfolio in Q2 2026, its #194 holding.
  • John Overdeck first reported a position in Tower Semiconductor in Q2 2014 and has held it in 34 quarters since.
  • 450 funds tracked by Wall St. Rank held Tower Semiconductor as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.