William John Sempolinski
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William John Sempolinski’s Applied Materials AMAT Stock Holding History

William John Sempolinski’s Portfolio AMAT Stock Details AMAT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$597K Hold
1,168
– – 0.23% 63
2026
Q2 		$844K Hold
1,168
– – 0.34% 55
2026
Q1 		$399K Hold
1,168
– – 0.2% 64
2025
Q4 		$300K Buy
+1,168
New +$280K 0.15% 69

Other funds holding AMAT

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $704B AUM 26.74% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $165B AUM 72.14% 1-Year Est. Return

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

William John Sempolinski held its Applied Materials (AMAT) position steady in Q3 2026 at 1,168 shares worth $597K. The position accounts for 0.23% of the portfolio, ranked #63.

William John Sempolinski first reported a position in AMAT in Q4 2025 and has held it in 4 quarters since. The position peaked at $844K in Q2 2026. 2,866 funds tracked by Wall St. Rank hold AMAT as of Q3 2026.

  • William John Sempolinski held 1,168 shares of Applied Materials worth $597K as of Q3 2026.
  • William John Sempolinski left its Applied Materials share count unchanged in Q3 2026.
  • Applied Materials made up 0.23% of William John Sempolinski's portfolio in Q3 2026, its #63 holding.
  • William John Sempolinski first reported a position in Applied Materials in Q4 2025 and has held it in 4 quarters since.
  • William John Sempolinski's Applied Materials position peaked at $844K in Q2 2026.
  • 2,866 funds tracked by Wall St. Rank held Applied Materials as of Q3 2026.

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