William John Sempolinski
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William John Sempolinski’s RTX Corp RTX Stock Holding History

William John Sempolinski’s Portfolio RTX Stock Details RTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$1.41M Sell
7,590
-200
-3% -$40.9K 0.54% 38
2026
Q2 		$1.48M Buy
7,790
+438
+6% +$80.3K 0.6% 38
2026
Q1 		$1.42M Sell
7,352
-81
-1% -$16.1K 0.71% 30
2025
Q4 		$1.36M Buy
+7,433
New +$1.29M 0.67% 31

Other funds holding RTX

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $704B AUM 26.74% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $187B AUM 13.73% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Fisher Asset Management
Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return

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

William John Sempolinski reduced its RTX Corp (RTX) stake by 2.6% in Q3 2026, selling an estimated $40.9K and leaving 7,590 shares worth $1.41M. The position accounts for 0.54% of the portfolio, ranked #38.

William John Sempolinski first reported a position in RTX in Q4 2025 and has held it in 4 quarters since. The position peaked at $1.48M in Q2 2026. 3,061 funds tracked by Wall St. Rank hold RTX as of Q3 2026.

  • William John Sempolinski held 7,590 shares of RTX Corp worth $1.41M as of Q3 2026.
  • William John Sempolinski sold 200 RTX Corp shares in Q3 2026, an estimated $40.9K.
  • RTX Corp made up 0.54% of William John Sempolinski's portfolio in Q3 2026, its #38 holding.
  • William John Sempolinski first reported a position in RTX Corp in Q4 2025 and has held it in 4 quarters since.
  • William John Sempolinski's RTX Corp position peaked at $1.48M in Q2 2026.
  • 3,061 funds tracked by Wall St. Rank held RTX Corp as of Q3 2026.

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