Tom Gayner's MMC Position Overview
Tom Gayner (via Markel Group Inc.) currently holds 755,000 shares of Marsh & McLennan Companies, Inc. (MMC) worth $152.16 M, representing 1.23% of the portfolio. First purchased in 2014-Q1, this long-term strategic position has been held for 47 quarters.
Based on 13F filings since 2013, Tom Gayner has maintained a long-term strategic position in MMC, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2014, adding 129,000 shares.
Analysis based on 13F filings available since 2013 Q2
Tom Gayner's Marsh & McLennan Companies (MMC) Holding Value Over Time
Track share changes against reported price movement
Quarterly Marsh & McLennan Companies (MMC) Trades by Tom Gayner
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2014 | +12,000 | New Buy | 12,000 | $49.33 |
| Q2 2014 | +129,000 | Add 1075.00% | 141,000 | $51.82 |
| Q3 2014 | +90,000 | Add 63.83% | 231,000 | $52.34 |
| Q4 2014 | +105,000 | Add 45.45% | 336,000 | $57.24 |
| Q1 2015 | +65,000 | Add 19.35% | 401,000 | $56.09 |
| Q2 2015 | +55,000 | Add 13.72% | 456,000 | $56.70 |
| Q3 2015 | +103,000 | Add 22.59% | 559,000 | $52.22 |
| Q4 2015 | +30,500 | Add 5.46% | 589,500 | $55.45 |
| Q2 2016 | +20,000 | Add 3.39% | 609,500 | $68.46 |
| Q1 2022 | +9,300 | Add 1.53% | 618,800 | $170.42 |
| Q2 2022 | +5,800 | Add 0.94% | 624,600 | $155.25 |
| Q3 2022 | +3,900 | Add 0.62% | 628,500 | $149.29 |
| Q4 2022 | +12,000 | Add 1.91% | 640,500 | $165.48 |
| Q1 2023 | +10,000 | Add 1.56% | 650,500 | $166.55 |
| Q2 2023 | +9,000 | Add 1.38% | 659,500 | $188.08 |
| Q3 2023 | +13,000 | Add 1.97% | 672,500 | $190.30 |
| Q4 2023 | +12,000 | Add 1.78% | 684,500 | $189.47 |
| Q1 2024 | +9,500 | Add 1.39% | 694,000 | $205.98 |
| Q2 2024 | +12,500 | Add 1.80% | 706,500 | $210.72 |
| Q3 2024 | +16,000 | Add 2.26% | 722,500 | $223.09 |
| Q4 2024 | +13,000 | Add 1.80% | 735,500 | $212.41 |
| Q1 2025 | +8,000 | Add 1.09% | 743,500 | $244.03 |
| Q2 2025 | +5,250 | Add 0.71% | 748,750 | $218.64 |
| Q3 2025 | +6,250 | Add 0.83% | 755,000 | $201.53 |
Tom Gayner's Marsh & McLennan Companies Investment FAQs
Tom Gayner first purchased Marsh & McLennan Companies, Inc. (MMC) in Q1 2014, acquiring 12,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Tom Gayner has held Marsh & McLennan Companies, Inc. (MMC) for 47 quarters since Q1 2014. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Tom Gayner's largest addition to Marsh & McLennan Companies, Inc. (MMC) was in Q2 2014, adding 141,000 shares worth $7.31 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Tom Gayner's firm, Markel Group Inc., owns 755,000 shares of Marsh & McLennan Companies, Inc. (MMC), valued at approximately $152.16 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Marsh & McLennan Companies, Inc. (MMC) represents approximately 1.23% of Tom Gayner's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Tom Gayner's peak holding in Marsh & McLennan Companies, Inc. (MMC) was 755,000 shares, as reported at the end of Q3 2025. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.