William John Sempolinski
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William John Sempolinski’s Microsoft MSFT Stock Holding History

William John Sempolinski’s Portfolio MSFT Stock Details MSFT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$6.21M Sell
12,106
-1,232
-9% -$570K 2.4% 8
2026
Q2 		$4.98M Sell
13,338
-3,652
-21% -$1.48M 2.01% 11
2026
Q1 		$6.29M Sell
16,990
-671
-4% -$281K 3.16% 5
2025
Q4 		$8.54M Buy
+17,661
New +$8.85M 4.2% 4

Other funds holding MSFT

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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 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
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $704B AUM 26.74% 1-Year Est. Return

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

William John Sempolinski reduced its Microsoft (MSFT) stake by 9.2% in Q3 2026, selling an estimated $570K and leaving 12,106 shares worth $6.21M. The position accounts for 2.4% of the portfolio, ranked #8.

William John Sempolinski first reported a position in MSFT in Q4 2025 and has held it in 4 quarters since. The position peaked at $8.54M in Q4 2025. 5,551 funds tracked by Wall St. Rank hold MSFT as of Q3 2026.

  • William John Sempolinski held 12,106 shares of Microsoft worth $6.21M as of Q3 2026.
  • William John Sempolinski sold 1,232 Microsoft shares in Q3 2026, an estimated $570K.
  • Microsoft made up 2.4% of William John Sempolinski's portfolio in Q3 2026, its #8 holding.
  • William John Sempolinski first reported a position in Microsoft in Q4 2025 and has held it in 4 quarters since.
  • William John Sempolinski's Microsoft position peaked at $8.54M in Q4 2025.
  • 5,551 funds tracked by Wall St. Rank held Microsoft as of Q3 2026.

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