Markel Group Inc.

Markel Group Inc. declares $3.4B in 13 of the 230 AI and semiconductor companies tracked on Silicon Floor, as of Jun 30, 2026 (Form 13F): 26.2% of its $13.1B 13F portfolio. Largest positions: Alphabet (0.03% of the company) and Amazon (0.02% of the company). Over time: $3.4B in 13 of these companies for Q2 2026, against $884.3M in 12 for Q4 2019 (13F values as filed). From Mar 31, 2026 to Jun 30, 2026, it bought nothing and sold $17.3M of these stocks, at the quarter's prices: a net sale of $17.3M.

Performance of its AI picks

The AI-stock portfolio Markel Group Inc. declared for Q2 2026 (Form 13F), held unchanged, returned +1.2% in Q3 2026 (SMH -7.1%), ranked 1234 of 1,783 active managers. Over the last 12 months, quarter after quarter: +32.2% (SMH +87.2%), ranked 460 of 1,359 active managers. Over three years, quarter after quarter: +120.5% (SMH +325.8%), ranked 627 of 783 active managers. Over five years, quarter after quarter: +123.3% (SMH +389.8%), ranked 434 of 535 active managers. Trades made during a quarter are not visible in 13F filings: this measures its declared picks, not the return of its funds.

Largest positions

1. Alphabet (GOOGL) — $1.2B: 3.3M shares, 0.03% of the company, 9.0% of its portfolio; held since Q4 2019 or earlier
2. Amazon (AMZN) — $484.0M: 2.0M shares, 0.02% of the company, 3.7% of its portfolio; held since Q4 2019 or earlier
3. Analog Devices (ADI) — $397.0M: 999,671 shares, 0.21% of the company, 3.0% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
4. Apple (AAPL) — $355.1M: 1.2M shares, 0.01% of the company, 2.7% of its portfolio; held since Q4 2019 or earlier
5. Caterpillar (CAT) — $350.0M: 328,650 shares, 0.07% of the company, 2.7% of its portfolio; held since Q4 2019 or earlier
6. Texas Instruments (TXN) — $215.8M: 724,000 shares, 0.08% of the company, 1.6% of its portfolio; held since Q4 2019 or earlier
7. Microsoft (MSFT) — $200.5M: 537,630 shares, 0.01% of the company, 1.5% of its portfolio; held since Q4 2019 or earlier
8. Meta Platforms (META) — $131.9M: 234,163 shares, 0.01% of the company, 1.0% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
9. Cisco (CSCO) — $41.8M: 355,500 shares, 0.01% of the company, 0.32% of its portfolio; held since Q4 2019 or earlier
10. Applied Materials (AMAT) — $26.3M: 36,350 shares, 0.00% of the company, 0.20% of its portfolio; held since Q2 2025
11. Comfort Systems USA (FIX) — $25.8M: 13,000 shares, 0.04% of the company, 0.20% of its portfolio; held since Q4 2023
12. Accenture (ACN) — $19.8M: 159,400 shares, 0.03% of the company, 0.15% of its portfolio; held since Q4 2019 or earlier
13. Carrier (CARR) — $17.2M: 235,000 shares, 0.03% of the company, 0.13% of its portfolio; held since Q2 2020

By sector

• Cloud & AI giants — $2.3B, 68% of its AI holdings, 5 companies
• Chips & compute — $612.8M, 18% of its AI holdings, 2 companies
• Power, electrical & cooling — $393.0M, 11% of its AI holdings, 3 companies
• Interconnect — $41.8M, 1% of its AI holdings, 1 company
• Equipment & test — $26.3M, 1% of its AI holdings, 1 company
• AI software — $19.8M, 1% of its AI holdings, 1 company

Biggest changes this quarter

• trimmed Analog Devices (ADI): -$9.4M at the quarter's price
• trimmed Meta Platforms (META): -$8.0M at the quarter's price

Other holders of this size

• JOHNSON INVESTMENT COUNSEL INC — $3.4B in 88 of these companies
• ATALANTA SOSNOFF CAPITAL, LLC — $3.4B in 34 of these companies
• Danica Pension, Livsforsikringsaktieselskab — $3.4B in 50 of these companies
• Cullen/Frost Bankers, Inc. — $3.4B in 134 of these companies
• REAVES W H & CO INC — $3.3B in 27 of these companies
• Thrive Capital Management, LLC — $3.4B in 2 of these companies
• Newport Trust Company, LLC — $3.3B in 5 of these companies
• GENERATION INVESTMENT MANAGEMENT LLP — $3.5B in 6 of these companies

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