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Thomas Gayner

Markel Group

2026Q1 · filed May 1, 2026129 positions · $11.94Btop-5 28%

Thomas Gayner (Markel Group) discloses a $11.94B portfolio across 129 US-listed positions in the latest 13F filing (2026Q1, filed May 1, 2026). The largest holding is BRK/A at 6.7% of the book. The biggest move of the quarter: opened a new position in SUNB ($63M). Latticework's clone backtest puts this 13F book at -2.0%/yr vs SPY over 12.0 years.

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About Thomas Gayner

Thomas Gayner serves as CEO of Markel Group, the specialty insurer, and has managed the company's equity portfolio since 1990—a tenure that gives him an unusually long public track record by institutional standards. His approach is straightforward Buffett-adjacent compounding: buy good businesses at fair prices, hold them, and let the insurance float provide a cost-of-capital advantage that amplifies returns over time. The 129-position portfolio is broadly diversified for someone with a value orientation—top-5 weights sum to roughly 28%, with BRK/A, BRK/B, and Alphabet among the largest disclosed positions—so readers should not expect the concentrated single-idea bets typical of hedge-fund value managers. The 13F captures only the domestic long equity sleeve; Markel's full capital allocation includes private operating companies (Markel Ventures), international equities, and the insurance underwriting book itself, none of which appear in the filing. The clone backtest trails SPY by roughly 2% annually over twelve years, consistent with a strategy that prioritizes downside discipline over momentum capture.

2026Q1 brief

Thomas Gayner's $11.9B Markel portfolio remained remarkably stable in 2026Q1 — consistent with his long-duration, low-turnover style — but the most meaningful new position is SUNB (Sunbelt Rentals parent, 0.5%, ~$63M), a high-quality equipment rental franchise that fits his preference for durable businesses with reinvestment optionality. He also initiated small stakes in MELI and EPD, signaling nascent interest in Latin American e-commerce and midstream energy respectively. On the trim side, SPGI was reduced 21.9% and UNH cut nearly 30%, the latter echoing a pattern seen across multiple super-investors this quarter amid managed care headwinds. The exits from TGT (0.1%) and CHH (Choice Hotels, 0.09%) are modest but suggest declining conviction in consumer-facing names under macro pressure. The portfolio's anchor remains the BRK/A+BRK/B combined ~12.9% weighting alongside GOOG at 6.6%, reflecting concentrated bets on compounders. Railroads saw incremental adds — CSX (+20%) and CNI (+20%) — consistent with a quiet infrastructure tilt. Watch whether SUNB and MELI are meaningfully sized up in 2026Q2 as early signals of new high-conviction themes.

AI-generated. Not investment advice.

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Holdings (129) · click any column to sort

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  • port6.7%
    val$800M
    Berkshire Hathaway Inc-cl A
    this Q hold·40q
  • port6.6%
    val$789M
    Alphabet Inc-cl C
    this Q hold·40q
  • port6.1%
    val$734M
    Berkshire Hathaway Inc-cl B
    this Q hold·40q
  • port4.4%
    val$529M
    Brookfield Corp
    this Q hold·14q
  • port4.1%
    val$495M
    Deere & CO
    this Q hold·40q
  • port3.5%
    val$423M
    Amazon.com Inc
    this Q hold·40q
  • port2.7%
    val$326M
    Analog Devices Inc
    this Q hold·40q
  • port2.6%
    val$311M
    Apple Inc
    this Q hold·40q
  • port2.5%
    val$304M
    Goldman Sachs Group Inc
    this Q hold·40q
  • 10V
    port2.5%
    val$304M
    Visa Inc-class A Shares
    this Q hold·40q
  • 11HD
    port2.5%
    val$303M
    Home Depot Inc
    this Q hold·40q
  • 12CAT
    port1.9%
    val$233M
    Caterpillar Inc
    this Q hold·40q
  • 13WSO
    port1.8%
    val$212M
    Watsco Inc
    this Q hold·40q
  • 14BLK
    port1.8%
    val$212M
    Blackrock Inc
    this Q hold·6q
  • port1.7%
    val$199M
    Microsoft Corp
    this Q hold·40q
  • 16DIS
    port1.6%
    val$196M
    Walt Disney Co/the
    this Q hold·40q
  • 17FNV
    port1.5%
    val$175M
    Franco-nevada Corp
    this Q hold·8q
  • 18LOW
    port1.5%
    val$174M
    Lowe's Cos Inc
    this Q hold·40q
  • port1.4%
    val$168M
    Lpl Financial Holdings Inc
    this Q hold·14q
  • port1.4%
    val$164M
    Alphabet Inc-cl A
    this Q hold·40q
  • 21PGR
    port1.3%
    val$149M
    Progressive Corp
    this Q hold·33q
  • 22JNJ
    port1.3%
    val$149M
    Johnson & Johnson
    this Q hold·40q
  • 23AXP
    port1.2%
    val$148M
    American Express CO
    this Q hold·40q
  • port1.2%
    val$142M
    Meta Platforms Inc-class A
    this Q hold·40q
  • 25BX
    port1.2%
    val$141M
    Blackstone Inc
    this Q hold·27q
  • 26TXN
    port1.2%
    val$141M
    Texas Instruments Inc
    this Q hold·40q
  • 27RLI
    port1.1%
    val$137M
    Rli Corp
    this Q hold·40q
  • 28KKR
    port1.1%
    val$134M
    Kkr & CO Inc
    this Q hold·31q
  • 29GD
    port1.1%
    val$134M
    General Dynamics Corp
    this Q hold·40q
  • port1.1%
    val$132M
    Marsh & Mclennan Cos
    this Q hold·40q
  • port1.1%
    val$130M
    Schwab (charles) Corp
    this Q hold·40q
  • 32APO
    port0.9%
    val$113M
    Apollo Global Management Inc
    this Q hold·17q
  • 33ADM
    port0.9%
    val$109M
    Archer-daniels-midland CO
    this Q hold·40q
  • 34NVO
    port0.9%
    val$105M
    Novo-nordisk A/s-spons Adr
    this Q hold·40q
  • 35MA
    port0.9%
    val$104M
    Mastercard Inc - A
    this Q hold·40q
  • 36DG
    port0.9%
    val$103M
    Dollar General Corp
    this Q hold·19q
  • 37DEO
    port0.9%
    val$102M
    Diageo Plc-sponsored Adr
    this Q hold·40q
  • 38LIN
    port0.8%
    val$101M
    Linde Plc
    this Q hold·13q
  • 39BAM
    port0.8%
    val$98M
    Brookfield Asset Mgmt-a
    this Q hold·14q
  • 40MCO
    port0.8%
    val$93M
    Moody's Corp
    this Q hold·40q
  • 41ITW
    port0.7%
    val$85M
    Illinois Tool Works
    this Q hold·40q
  • port0.7%
    val$84M
    Old Dominion Freight Line
    this Q hold·16q
  • 43NSC
    port0.7%
    val$81M
    Norfolk Southern Corp
    this Q hold·40q
  • port0.7%
    val$80M
    Heico Corp-class A
    this Q hold·40q
  • 45ROL
    port0.7%
    val$80M
    Rollins Inc
    this Q hold·40q
  • 46NVR
    port0.7%
    val$80M
    Nvr Inc
    this Q hold·30q
  • port0.6%
    val$77M
    Msci Inc
    this Q hold·40q
  • 48JPM
    port0.6%
    val$74M
    Jpmorgan Chase & CO
    this Q hold·40q
  • 49ECL
    port0.6%
    val$73M
    Ecolab Inc
    this Q hold·40q
  • 50CG
    port0.5%
    val$64M
    Carlyle Group Inc/the
    this Q hold·25q
  • port0.5%
    val$63M
    Sunbelt Rentals Holdings Inc
    this Q New·1q
  • 52TSN
    port0.5%
    val$57M
    Tyson Foods Inc-cl A
    this Q hold·38q
  • port0.5%
    val$56M
    Starbucks Corp
    this Q hold·38q
  • 54ROK
    port0.5%
    val$56M
    Rockwell Automation Inc
    this Q hold·40q
  • port0.4%
    val$50M
    S&p Global Inc
    this Q -22%·40q
  • 56THG
    port0.4%
    val$49M
    Hanover Insurance Group Inc/
    this Q hold·17q
  • port0.4%
    val$46M
    Investors Title CO
    this Q hold·40q
  • 58AON
    port0.4%
    val$44M
    Aon Plc
    this Q hold·22q
  • 59RTX
    port0.4%
    val$43M
    Rtx Corp
    this Q hold·23q
  • port0.3%
    val$40M
    Ferguson Enterprises Inc
    this Q hold·7q
  • 61LMT
    port0.3%
    val$39M
    Lockheed Martin Corp
    this Q hold·21q
  • port0.3%
    val$39M
    Costco Wholesale Corp
    this Q hold·40q
  • 63HCA
    port0.3%
    val$39M
    Hca Healthcare Inc
    this Q hold·11q
  • 64YUM
    port0.3%
    val$38M
    Yum! Brands Inc
    this Q hold·9q
  • 65UNP
    port0.3%
    val$36M
    Union Pacific Corp
    this Q hold·40q
  • 66TMO
    port0.3%
    val$33M
    Thermo Fisher Scientific Inc
    this Q hold·18q
  • port0.3%
    val$33M
    Hagerty Inc-a
    this Q hold·12q
  • 68ALL
    port0.3%
    val$32M
    Allstate Corp
    this Q hold·22q
  • 69ACN
    port0.3%
    val$32M
    Accenture Plc Ireland
    this Q hold·40q
  • 70MAR
    port0.3%
    val$31M
    Marriott International -cl A
    this Q hold·25q
  • port0.3%
    val$31M
    Airbnb Inc-class A
    this Q hold·7q
  • 72SHW
    port0.3%
    val$30M
    Sherwin-williams Co/the
    this Q hold·30q
  • port0.2%
    val$30M
    Verisk Analytics Inc
    this Q hold·40q
  • 74FDS
    port0.2%
    val$29M
    Factset Research Systems Inc
    this Q hold·40q
  • port0.2%
    val$28M
    T Rowe Price Group Inc
    this Q hold·40q
  • port0.2%
    val$28M
    Comcast Corp-class A
    this Q hold·40q
  • port0.2%
    val$28M
    Cisco Systems Inc
    this Q hold·40q
  • port0.2%
    val$24M
    Lamar Advertising Co-a
    this Q hold·25q
  • 79NKE
    port0.2%
    val$24M
    Nike Inc -cl B
    this Q hold·40q
  • 80URI
    port0.2%
    val$23M
    United Rentals Inc
    this Q hold·11q
  • port0.2%
    val$23M
    Brown-forman Corp-class A
    this Q hold·40q
  • 82CCK
    port0.2%
    val$22M
    Crown Holdings Inc
    this Q hold·31q
  • 83APD
    port0.2%
    val$22M
    Air Products & Chemicals Inc
    this Q hold·9q
  • 84CSX
    port0.2%
    val$22M
    Csx Corp
    this Q +20%·7q
  • 85G7496G103
    port0.2%
    val$21M
    Renaissancere Hldgs Ltd
    this Q hold·15q
  • 86PM
    port0.2%
    val$19M
    Philip Morris International
    this Q hold·40q
  • 87FIX
    port0.1%
    val$18M
    Comfort Systems Usa Inc
    this Q hold·10q
  • 88COF
    port0.1%
    val$17M
    Capital One Financial Corp
    this Q hold·17q
  • 89WFC
    port0.1%
    val$16M
    Wells Fargo & CO
    this Q hold·32q
  • 90HSY
    port0.1%
    val$16M
    Hershey Co/the
    this Q hold·19q
  • 91HXL
    port0.1%
    val$15M
    Hexcel Corp
    this Q hold·38q
  • 92PEP
    port0.1%
    val$15M
    Pepsico Inc
    this Q hold·40q
  • 93BK
    port0.1%
    val$15M
    Bank OF New York Mellon Corp
    this Q hold·28q
  • 94CME
    port0.1%
    val$15M
    Cme Group Inc
    this Q hold·19q
  • port0.1%
    val$14M
    Paychex Inc
    this Q hold·40q
  • port0.1%
    val$14M
    Sei Investments Company
    this Q hold·40q
  • port0.1%
    val$13M
    Carrier Global Corp
    this Q hold·24q
  • 98EFX
    port0.1%
    val$13M
    Equifax Inc
    this Q hold·30q
  • port0.1%
    val$13M
    Spotify Technology S A
    this Q hold·19q
  • 100BF/B
    port0.1%
    val$13M
    Brown-forman Corp-class B
    this Q hold·40q
  • 101AMAT
    port0.1%
    val$12M
    Applied Materials Inc
    this Q hold·4q
  • 102CBOE
    port0.1%
    val$12M
    Cboe Global Markets Inc
    this Q hold·5q
  • 103SHOP
    port0.1%
    val$12M
    Shopify Inc - Class A
    this Q hold·17q
  • 104HII
    port0.1%
    val$10M
    Huntington Ingalls Industrie
    this Q hold·6q
  • 105UBER
    port0.1%
    val$10M
    Uber Technologies Inc
    this Q hold·12q
  • 106SMG
    port0.1%
    val$10M
    Scotts Miracle-gro CO
    this Q hold·25q
  • 107MELI
    port0.1%
    val$9M
    Mercadolibre Inc
    this Q New·1q
  • 108OTIS
    port0.1%
    val$9M
    Otis Worldwide Corp
    this Q hold·24q
  • 109IQV
    port0.1%
    val$8M
    Iqvia Holdings Inc
    this Q hold·13q
  • 110XOM
    port0.1%
    val$8M
    Exxon Mobil Corp
    this Q +24%·9q
  • 111EPD
    port0.1%
    val$8M
    Enterprise Products Partners
    this Q New·1q
  • 112SONY
    port0.1%
    val$7M
    Sony Group Corp - SP Adr
    this Q hold·17q
  • 113EMN
    port<0.1%
    val$6M
    Eastman Chemical CO
    this Q hold·25q
  • 114KMX
    port<0.1%
    val$6M
    Carmax Inc
    this Q hold·30q
  • 115CNI
    port<0.1%
    val$5M
    Canadian Natl Railway CO
    this Q +20%·3q
  • 116GHC
    port<0.1%
    val$5M
    Graham Holdings Co-class B
    this Q hold·40q
  • 117UNH
    port<0.1%
    val$5M
    Unitedhealth Group Inc
    this Q -29%·26q
  • 118NSP
    port<0.1%
    val$5M
    Insperity Inc
    this Q hold·9q
  • 119CP
    port<0.1%
    val$5M
    Canadian Pacific Kansas City
    this Q hold·3q
  • 120ICE
    port<0.1%
    val$5M
    Intercontinental Exchange IN
    this Q +38%·21q
  • 121WRB
    port<0.1%
    val$4M
    WR Berkley Corp
    this Q hold·36q
  • 122BC
    port<0.1%
    val$4M
    Brunswick Corp
    this Q hold·7q
  • 123MGM
    port<0.1%
    val$3M
    Mgm Resorts International
    this Q hold·6q
  • 124EXP
    port<0.1%
    val$3M
    Eagle Materials Inc
    this Q hold·5q
  • 125AYI
    port<0.1%
    val$3M
    Acuity Inc
    this Q hold·6q
  • 126SYY
    port<0.1%
    val$2M
    Sysco Corp
    this Q hold·5q
  • 127DPZ
    port<0.1%
    val$2M
    Domino's Pizza Inc
    this Q hold·7q
  • 128BRO
    port<0.1%
    val$913K
    Brown & Brown Inc
    this Q +27%·2q
  • 129WY
    port<0.1%
    val$428K
    Weyerhaeuser CO
    this Q New·1q

All activity (2026Q1)

  • TRIMSPGI
    0.4%
    S&p Global Inc
    Δ -22%·$50M
  • NEWSUNB
    0.5%
    Sunbelt Rentals Holdings Inc
    Δ +100%·$63M
  • ADDCSX
    0.2%
    Csx Corp
    Δ +20%·$22M
  • EXITTGT
    0.1%
    Target Corp
    Δ -100%·$0
  • EXITCHH
    0.1%
    Choice Hotels Intl Inc
    Δ -100%·$0
  • NEWMELI
    0.1%
    Mercadolibre Inc
    Δ +100%·$9M
  • TRIMUNH
    <0.1%
    Unitedhealth Group Inc
    Δ -29%·$5M
  • ADDXOM
    0.1%
    Exxon Mobil Corp
    Δ +24%·$8M
  • NEWEPD
    0.1%
    Enterprise Products Partners
    Δ +100%·$8M
  • ADDCNI
    <0.1%
    Canadian Natl Railway CO
    Δ +20%·$5M
  • ADDICE
    <0.1%
    Intercontinental Exchange IN
    Δ +38%·$5M
  • ADDBRO
    <0.1%
    Brown & Brown Inc
    Δ +27%·$913K
  • NEWWY
    <0.1%
    Weyerhaeuser CO
    Δ +100%·$428K
  • EXITTRU
    <0.1%
    Transunion
    Δ -100%·$0

Frequently asked questions

What stocks does Thomas Gayner own?
As of 2026Q1, Thomas Gayner's 13F discloses 129 positions worth $11.94B. The top five holdings: BRK/A (6.7%), GOOG (6.6%), BRK/B (6.1%), BN (4.4%), DE (4.1%). 13F filings cover long US-listed equities only — cash, bonds, shorts, and non-US positions are not disclosed.
What did Thomas Gayner buy this quarter?
In 2026Q1, the filing shows 4 new positions and 5 additions to existing holdings. The largest positions touched by buying: SUNB, CSX, MELI, XOM, EPD.
How big is Thomas Gayner's portfolio?
$11.94B across 129 positions per the latest 13F (filed May 1, 2026). The top five holdings account for 28% of the disclosed book.

Explore more

Long US equity 13F-HR filings only — no shorts, no derivatives. SEC filings at EDGAR (CIK 0001096343). Not investment advice.