William John Sempolinski’s TSMC TSM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q3
$1.48M Sell
3,235
-125
-4% -$53K 0.57% 37
2026
Q2
$1.6M Hold
3,360
– – 0.65% 36
2026
Q1
$1.14M Buy
3,360
+2,190
+187% +$754K 0.57% 40
2025
Q4
$356K Buy
+1,170
New +$343K 0.17% 65

Other funds holding TSM

William John Sempolinski's TSM Position: Q3 2026 in Review

William John Sempolinski reduced its TSMC (TSM) stake by 3.7% in Q3 2026, selling an estimated $53K and leaving 3,235 shares worth $1.48M. The position accounts for 0.57% of the portfolio, ranked #37.

William John Sempolinski first reported a position in TSM in Q4 2025 and has held it in 4 quarters since. The position peaked at $1.6M in Q2 2026. 3,075 funds tracked by Wall St. Rank hold TSM as of Q3 2026.

  • William John Sempolinski held 3,235 shares of TSMC worth $1.48M as of Q3 2026.
  • William John Sempolinski sold 125 TSMC shares in Q3 2026, an estimated $53K.
  • TSMC made up 0.57% of William John Sempolinski's portfolio in Q3 2026, its #37 holding.
  • William John Sempolinski first reported a position in TSMC in Q4 2025 and has held it in 4 quarters since.
  • William John Sempolinski's TSMC position peaked at $1.6M in Q2 2026.
  • 3,075 funds tracked by Wall St. Rank held TSMC as of Q3 2026.

Based on William John Sempolinski's 13F filing for Q3 2026, filed 20 Oct 2026.