13F Insight
DOSSIER · 13F-HR · Q3 2026

GARDNER RUSSO & QUINN LLC

$8.4B in tracked AUM across 85 positions as of Q3 2026.

GR
CIK 0000860643 · last filed Sep 30, 2026
Total AUM
$8.4B
as of Q3 2026
Holdings
85
+0 QoQ
positions
Whale Score
80
80
strong
Activity
50
+2 new, −2 sold
changes this Q
AI Analysis · Q3 2026

GARDNER RUSSO & QUINN LLC filed its latest 13F-HR for Q3 2026. 50 position changes this quarter — 2 new, 2 exited, 9 added, 37 trimmed.

Quarter at a glance — Q3 2026

50 material changes this filing.

TRIM
H25662182Compagnie Financiere Richemont
-134K sh
$-85M
8.2%
TRIM
GOOGAlphabet Inc Cl C
-133K sh
$-84M
11.8%
TRIM
NSRGYNestle SA Sponsored ADR
-208K sh
$-82M
5.5%
TRIM
MLMMartin Marietta Materials
-22K sh
$-79M
3.9%
TRIM
N39338194Heineken Holding NV
-350K sh
$-45M
7.5%
TRIM
BRK/ABerkshire Hathaway Inc Cl A
-40 sh
$-33M
12.4%
TRIM
UBERUber Technologies Inc
-164K sh
$-30M
4.0%

Top 10 holdings

By portfolio weight as of Q3 2026. Source: SEC EDGAR 13F-HR filings.

#HoldingValueSharesWeight
01
BRK/A
Berkshire Hathaway Inc Cl A
$1.0B1K12.4%02
GOOG
Alphabet Inc Cl C
$993M2.9M11.8%03
PM
Philip Morris International In
$837M4.4M9.9%04
MA
Mastercard Inc Cl A
$806M1.5M9.6%05
H25662182
Compagnie Financiere Richemont
$689M3.2M8.2%06
N39338194
Heineken Holding NV
$635M8.6M7.5%07
BRK/B
Berkshire Hathaway Inc Cl B
$516M1.0M6.1%08
NSRGY
Nestle SA Sponsored ADR
$464M5.1M5.5%09
SUNB
Sunbelt Rentals Holdings Inc
$412M5.6M4.9%10
NFLX
Netflix Inc
$388M5.6M4.6%

Filing history

2026Q3Sep 30
$8.4B▼ 5.7%
85 positionsView →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 positionsLocked2025Q2Jun 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 positionsLocked
Showing 12 of 100