SEC EDGAR Form 13F
Gardner Russo & Quinn
Gardner Russo & Quinn is an institutional investment manager identified in SEC EDGAR Form 13F data.
Latest Form 13F: 86 long U.S. equity positions, $8.5B reported value for the period ended Mar 31, 2026, led by Berkshire Hathaway Inc Cl A, Alphabet Inc Cl C, and Mastercard Inc Cl A.
CIK: 860643 · Filed: May 13, 2026 · Period: Mar 31, 2026
Reported value
$8.5B
Positions
86
Key person
13F reporting manager
Style
Institutional 13F
Top holding
BRKA · Berkshire Hathaway Inc Cl A
Period
Mar 31, 2026
Filed
May 13, 2026
CIK
860643
What a 13F does not show
Form 13F covers many reportable long U.S. equity positions at quarter end. It does not show every asset type, short positions, hedges, intraperiod trades, or current holdings after the report date. Use it as ownership context, not investment advice.
Read the 13F guide →BRKA
Berkshire Hathaway Inc Cl A
Portfolio weight
12.34%
GOOG
Alphabet Inc Cl C
Portfolio weight
11.31%
MA
Mastercard Inc Cl A
Portfolio weight
9.15%
PM
Philip Morris International In
Portfolio weight
8.96%
--
Heineken Holding NV
Portfolio weight
7.57%
Top reported holdings
Showing the top 50 positions by reported value. Source: SEC EDGAR Form 13F; period 2026-03-31; filed 2026-05-13.
| # | Ticker | Company | Shares | Value | Portfolio % | QoQ change |
|---|---|---|---|---|---|---|
| 1 | BRKA | Berkshire Hathaway Inc Cl A | 1.5K | $1.0B | 12.34% | -1.9% |
| 2 | GOOG | Alphabet Inc Cl C | 3.4M | $961M | 11.31% | -14.8% |
| 3 | MA | Mastercard Inc Cl A | 1.6M | $777M | 9.15% | -1.9% |
| 4 | PM | Philip Morris International In | 4.6M | $761M | 8.96% | -2.0% |
| 5 | -- | Heineken Holding NV | 9.1M | $643M | 7.57% | -1.1% |
| 6 | -- | Compagnie Financiere Richemont | 3.4M | $594M | 7.00% | -1.6% |
| 7 | NSRGY | Nestle SA Sponsored ADR | 5.5M | $543M | 6.39% | -2.4% |
| 8 | NFLX | Netflix Inc | 5.6M | $539M | 6.35% | +12.1% |
| 9 | BRKB | Berkshire Hathaway Inc Cl B | 1.1M | $532M | 6.26% | -1.3% |
| 10 | MLM | Martin Marietta Materials | 715.4K | $421M | 4.96% | -1.5% |
| 11 | -- | Sunbelt Rentals Holdings Inc | 6.0M | $394M | 4.63% | -- |
| 12 | UBER | Uber Technologies Inc | 5.2M | $372M | 4.38% | +0.6% |
| 13 | -- | Eurofins Scientific | 3.1M | $224M | 2.63% | -- |
| 14 | -- | Pernod Ricard | 2.5M | $183M | 2.16% | -2.9% |
| 15 | DASH | Doordash Inc Cl A | 1.0M | $150M | 1.77% | +7.6% |
| 16 | CMCSA | Comcast Corp New Cl A | 2.3M | $65M | 0.76% | -2.0% |
| 17 | BFA | Brown-Forman Corp Cl A | 1.6M | $44M | 0.52% | -1.2% |
| 18 | JPM | J.P. Morgan Chase | 148.8K | $44M | 0.52% | -71.9% |
| 19 | XOM | Exxon Mobil Corp | 193.9K | $33M | 0.39% | +0.5% |
| 20 | V | Visa Inc Cl A | 93.8K | $28M | 0.33% | -13.8% |
| 21 | BFB | Brown-Forman Corp Cl B | 659.7K | $17M | 0.21% | -6.8% |
| 22 | -- | Anheuser-Busch InBev SA | 184.0K | $13M | 0.15% | -30.7% |
| 23 | MO | Altria Group Inc | 164.5K | $11M | 0.13% | -0.2% |
| 24 | MKL | Markel Corp | 5.0K | $9M | 0.11% | -21.1% |
| 25 | CR | Crane Company | 46.6K | $8M | 0.09% | -14.3% |
| 26 | UNP | Union Pac Corp | 27.6K | $7M | 0.08% | +10.6% |
| 27 | COST | Costco Whsl Corp | 4.6K | $5M | 0.05% | +0.0% |
| 28 | DOV | Dover Corp | 19.1K | $4M | 0.05% | -2.0% |
| 29 | GOOGL | Alphabet Inc Cl A | 11.6K | $3M | 0.04% | -22.2% |
| 30 | ABBV | AbbVie Inc | 12.4K | $3M | 0.03% | +0.0% |
| 31 | -- | Lindt & Spruengli AG - Reg | 15 | $2M | 0.03% | +0.0% |
| 32 | VMC | Vulcan Materials | 7.3K | $2M | 0.02% | -8.2% |
| 33 | AXP | American Express | 6.5K | $2M | 0.02% | -46.7% |
| 34 | MKC | McCormick Inc | 38.6K | $2M | 0.02% | -5.1% |
| 35 | -- | Konecranes | 52.5K | $2M | 0.02% | +184.6% |
| 36 | -- | Warby Parker Inc Cl A | 80.0K | $2M | 0.02% | +23.1% |
| 37 | -- | Fielmann | 33.0K | $2M | 0.02% | +28.4% |
| 38 | -- | SSP Group | 700.0K | $2M | 0.02% | +6.1% |
| 39 | -- | Fluidra | 70.0K | $2M | 0.02% | +18.6% |
| 40 | -- | Rational AG | 2.2K | $2M | 0.02% | +125.6% |
| 41 | -- | ALK Abello A/S | 50.0K | $2M | 0.02% | +42.9% |
| 42 | -- | Levi Strauss & Co Cl A | 82.7K | $2M | 0.02% | +73.3% |
| 43 | -- | Loreal SA | 3.7K | $1M | 0.02% | +0.0% |
| 44 | PEP | Pepsico Inc | 9.2K | $1M | 0.02% | -6.0% |
| 45 | -- | Davide Campari-Milano NV | 202.0K | $1M | 0.02% | -16.6% |
| 46 | -- | Kalmar Oyj B | 27.0K | $1M | 0.02% | +12.5% |
| 47 | -- | De'Longhi | 39.0K | $1M | 0.02% | +10.6% |
| 48 | PG | Procter & Gamble | 9.2K | $1M | 0.02% | -22.8% |
| 49 | -- | Puig Brands | 68.0K | $1M | 0.02% | +0.0% |
| 50 | MSFT | Microsoft Corp | 3.5K | $1M | 0.02% | -4.3% |
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