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

SANTA MONICA PARTNERS LP

$167M in tracked AUM across 13 positions as of Q3 2026.

SM
CIK 0000904793 · last filed Sep 30, 2026
Total AUM
$167M
as of Q3 2026
Holdings
13
+0 QoQ
positions
Whale Score
71
71
strong
Activity
0
+0 new, −0 sold
changes this Q
AI Analysis · Q3 2026

SANTA MONICA PARTNERS LP filed its latest 13F-HR for Q3 2026. 0 position changes this quarter — 0 new, 0 exited, 0 added, 0 trimmed.

Quarter at a glance — Q3 2026

0 material changes this filing.

No quarter-over-quarter changes available.

Top 10 holdings

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

#HoldingValueSharesWeight
01
MA
Mastercard Incorporated - Common Stock
$56M102K33.7%02
TPLUSD
Texas Pacific Land Corp. - Common Stock
$53M162K31.6%03
BELFB
Bel Fuse Inc. - Class B Common Stock
$17M68K9.9%04
H2906T109
Garmin Ltd. - Common Stock
$12M41K7.0%05
BCPC
Balchem Corp. - Common Stock
$8M51K5.0%06
BR
Broadridge Financial Solutions, Inc. - Common Stock
$7M41K3.9%07
BELFA
Bel Fuse Inc. - Class A Common Stock
$5M23K2.8%08
389930109
Grayscale Bitcoin Trust ETF
$4M65K2.5%09
BRK/A
Berkshire Hathaway Inc. Common Stock
$3M41.8%10
LB
Landbridge Company - Common Stock
$1M18K0.9%

Filing history

2026Q3Sep 30
$167M▼ 6.8%
13 positionsView →2026Q1Mar 31
$179M▲ 8.6%
13 positionsView →2025Q4Dec 31
$165M▲ 210856.6%
13 positionsView →2025Q3Sep 30
$78K▼ 100.0%
4 positionsLocked2025Q2Jun 30
$172M▲ 228636.6%
13 positionsLocked2025Q1Mar 31
$75K▼ 100.0%
4 positionsLocked2024Q4Dec 31
$185M▲ 9.1%
17 positionsLocked2024Q3Sep 30
$170M▲ 14.0%
17 positionsLocked2024Q2Jun 30
$149M▲ 3.0%
16 positionsLocked2024Q1Mar 31
$145M▲ 7.0%
16 positionsLocked2023Q4Dec 31
$135M▲ 4.4%
16 positionsLocked2023Q3Sep 30
$130M▲ 5.0%
17 positionsLocked
Showing 12 of 33