13F Insight
DOSSIER · 13F-HR · Q2 2026

GARDNER RUSSO & QUINN LLC

$8.9B in tracked AUM across 85 positions as of Q2 2026.

GR
CIK 0000860643 · last filed Jun 30, 2026
Total AUM
$8.9B
as of Q2 2026
Holdings
85
—
positions
Whale Score
74
74
strong
Activity
—
no data
changes this Q
AI Analysis · Q2 2026

GARDNER RUSSO & QUINN LLC reported $8.5B in 13F holdings for the quarter ending 2026-03-31, concentrated in unknown with leading positions in BRK/A, GOOG, MA. Notable moves this quarter: NFLX INCREASED (+$70.2M); DASH INCREASED ($-60.4M). 8 new positions initiated, 8 closed out, reflecting 58 total changes from the prior quarter.

GARDNER RUSSO & QUINN LLC entered 2026-03-31 with $8.5B in reported 13F holdings, placing it among the institution's recent AUM range. The portfolio maintains a unknown tilt, with the top five positions accounting for a meaningful share of the overall book.

Top Holdings

Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
GOOG
Alphabet Inc Cl C
$1.1B3.0M12.1%02
BRK/A
Berkshire Hathaway Inc Cl A
$1.1B1K12.0%03
PM
Philip Morris International In
$820M4.5M9.2%04
MA
Mastercard Inc Cl A
$782M1.5M8.8%05
H25662182
Compagnie Financiere Richemont
$774M3.3M8.7%06
N39338194
Heineken Holding NV
$680M8.9M7.6%07
NSRGY
Nestle SA Sponsored ADR
$546M5.3M6.1%08
BRK/B
Berkshire Hathaway Inc Cl B
$540M1.1M6.1%09
SUNB
Sunbelt Rentals Holdings Inc
$441M5.9M4.9%10
NFLX
Netflix Inc
$408M5.7M4.6%

Filing history

2026Q2Jun 30
$8.9B▲ 5.1%
85 positionsView →2026Q1Mar 31
$8.5B▼ 8.3%
86 positionsView →2025Q4Dec 31
$9.3B▼ 0.7%
87 positionsView →2025Q3Sep 30
$9.3B▼ 0.8%
85 positionsView →2025Q2Jun 30
$9.4B▲ 86.5%
84 positionsLocked2025Q1Mar 31
$5.0B▼ 43.0%
48 positionsLocked2024Q4Dec 31
$8.8B▼ 9.2%
68 positionsLocked2024Q3Sep 30
$9.7B▲ 2.9%
77 positionsLocked2024Q2Jun 30
$9.5B▼ 2.9%
77 positionsLocked2024Q1Mar 31
$9.7B▼ 0.7%
81 positionsLocked2023Q4Dec 31
$9.8B▲ 7.0%
82 positionsLocked2023Q3Sep 30
$9.2B▼ 9.4%
82 positionsLocked
Showing 12 of 100