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StockSpill

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Coming soon

InsightsAnalysisInvestorsCongressWatchlist
Account

Superinvestors

  • All superinvestors
  • Warren Buffett
  • Value investors
  • Activist investors
  • Smart-money insights

Congress trades

  • All congress trades
  • Senate trades
  • House trades
  • Nancy Pelosi
  • Donald Trump

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  • MSFT holders

Tools

  • Analysis hub
  • DCF calculator
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  • Treasury yields
  • Macro data

© 2026 StockSpill. Data from SEC EDGAR filings. Logos by Parqet.

PricingRead termsRead privacy policyNotes on Data
Home › RTX › Superinvestor holders

Which superinvestors own RTX (RTX)?

8 hedge funds and family offices disclose a RTX position in their latest SEC 13F filing — combined $301.0M in market value. Of those, 1 are classified as value investors.

#InvestorFundSharesValue% of PortfolioFiled
1Lee AinslieMaverick Capital Ltd1,368,842$251.0M2.70%2025-12-31
2Tom GaynerMarkel Group Inc.224,000$42.5M0.32%2026-06-30
3Ray DalioBridgewater Associates LP26,182$5.0M0.02%2026-06-30
4Mairs & PowerMairs & Power Inc9,071$1.7M0.02%2025-12-31
5Mark HillmanHillman Capital Management Inc2,247$412K0.26%2025-12-31
6Torray FundsTorray Investment Partners LLC1,689$310K0.04%2025-12-31
7Christopher BloomstranSemper Augustus Investments Group LLC534$98K0.01%2025-12-31
8Olstein Capital ManagementOlstein Capital Management LP16,000$3K0.60%2025-12-31

Related to RTX

Valuation & analysis

  • RTX DCF analysis
  • Free DCF calculator
  • Compound interest calculator

Smart-money holders

  • Superinvestors holding RTX
  • Politicians trading RTX
  • Insider buys & sells at RTX

Most-watched investors

  • Warren Buffett
  • Leopold Aschenbrenner
  • George Soros
  • Ray Dalio
  • Bill Ackman

Other popular stocks

  • AAPL
  • NVDA
  • MSFT
  • AMZN
  • GOOGL
  • META

Smart-money ownership of RTX

As of the latest 13F window, 8 tracked superinvestors hold RTX. The largest disclosed position is Lee Ainslie at $251.0M (2.7% of portfolio).

13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying RTX, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.

Key takeaways

  • 8 superinvestor holders disclosed.
  • Combined $301.0M in disclosed market value.
  • Largest holder: Lee Ainslie.
Home › RTX › Superinvestor holders

Which superinvestors own RTX (RTX)?

8 hedge funds and family offices disclose a RTX position in their latest SEC 13F filing — combined $301.0M in market value. Of those, 1 are classified as value investors.

#InvestorFundSharesValue% of PortfolioFiled
1Lee AinslieMaverick Capital Ltd1,368,842$251.0M2.70%2025-12-31
2Tom GaynerMarkel Group Inc.224,000$42.5M0.32%2026-06-30
3Ray DalioBridgewater Associates LP26,182$5.0M0.02%2026-06-30
4Mairs & PowerMairs & Power Inc9,071$1.7M0.02%2025-12-31
5Mark HillmanHillman Capital Management Inc2,247$412K0.26%2025-12-31
6Torray FundsTorray Investment Partners LLC1,689$310K0.04%2025-12-31
7Christopher BloomstranSemper Augustus Investments Group LLC534$98K0.01%2025-12-31
8Olstein Capital ManagementOlstein Capital Management LP16,000$3K0.60%2025-12-31

Related to RTX

Valuation & analysis

  • RTX DCF analysis
  • Free DCF calculator
  • Compound interest calculator

Smart-money holders

  • Superinvestors holding RTX
  • Politicians trading RTX
  • Insider buys & sells at RTX

Most-watched investors

  • Warren Buffett
  • Leopold Aschenbrenner
  • George Soros
  • Ray Dalio
  • Bill Ackman

Other popular stocks

  • AAPL
  • NVDA
  • MSFT
  • AMZN
  • GOOGL
  • META

Smart-money ownership of RTX

As of the latest 13F window, 8 tracked superinvestors hold RTX. The largest disclosed position is Lee Ainslie at $251.0M (2.7% of portfolio).

13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying RTX, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.

Key takeaways

  • 8 superinvestor holders disclosed.
  • Combined $301.0M in disclosed market value.
  • Largest holder: Lee Ainslie.