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SANTA MONICA PARTNERS LP

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13F filer, CIK 904793, PALM BEACH GARDENS, FL

SANTA MONICA PARTNERS LP reported $170,444,000 across 13 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-12. Its ten largest share positions make up 99.09% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000904793-25-000011

Period
2025-09-30
Reported value
$170M
Holdings
13
Top 10 weight
99.09%
New
0
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
LBadded+14,000$747K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

None.

Holdings, Q3 2025

Share positions as resolved from 13F-HR 0000904793-25-000011, largest first. % of portfolio is the value over $170,444,000, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 102,170 shares; 2024Q4: 102,170 shares; 2025Q1: 102,170 shares; 2025Q2: 102,170 shares; 2025Q3: 102,170 shares 102,170$58.1M34.1%0Timeline
TEXAS PACIFIC LAND TRUSTTEXAS PACIFIC LAND TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 53,990 shares; 2024Q4: 53,991 shares; 2025Q1: 53,991 shares; 2025Q2: 53,991 shares; 2025Q3: 53,991 shares 53,991$50.4M29.57%0
BCPCBALCHEM CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 198,604 shares; 2024Q4: 198,604 shares; 2025Q1: 120,014 shares; 2025Q2: 120,014 shares; 2025Q3: 120,014 shares 120,014$18M10.57%0Timeline
GRMNGARMIN LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 40,755 shares; 2024Q4: 40,755 shares; 2025Q1: 40,755 shares; 2025Q2: 40,755 shares; 2025Q3: 40,755 shares 40,755$10M5.89%0Timeline
BRBROADRIDGE FINL SOLUTIONS INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 40,793 shares; 2024Q4: 40,793 shares; 2025Q1: 40,793 shares; 2025Q2: 40,793 shares; 2025Q3: 40,793 shares 40,793$9.72M5.7%0Timeline
BELFBBEL FUSE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 67,634 shares; 2024Q4: 67,634 shares; 2025Q1: 67,634 shares; 2025Q2: 67,634 shares; 2025Q3: 67,634 shares 67,634$9.54M5.6%0Timeline
Grayscale Bitcoin Trust ETFGrayscale Bitcoin Trust ETFQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 64,932 shares; 2025Q1: 64,932 shares; 2025Q2: 64,932 shares; 2025Q3: 64,932 shares 64,932$5.83M3.42%0
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4 shares; 2024Q4: 4 shares; 2025Q1: 4 shares; 2025Q2: 4 shares; 2025Q3: 4 shares 4$3.02M1.77%0Timeline
BELFABEL FUSE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 23,434 shares; 2024Q4: 23,434 shares; 2025Q1: 23,434 shares; 2025Q2: 23,434 shares; 2025Q3: 23,434 shares 23,434$2.73M1.6%0Timeline
LBLANDBRIDGE COMPANY LLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 14,000 shares; 2025Q2: 14,000 shares; 2025Q3: 28,000 shares 28,000$1.49M0.88%+14,000Timeline
Grayscale Bitcoin Minitrust…Grayscale Bitcoin Minitrust ETFQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 12,986 shares; 2025Q1: 12,986 shares; 2025Q2: 12,986 shares; 2025Q3: 12,986 shares 12,986$657K0.39%0
MCBMETROPOLITAN BK HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,811 shares; 2024Q4: 7,811 shares; 2025Q1: 7,811 shares; 2025Q2: 7,811 shares; 2025Q3: 7,811 shares 7,811$584K0.34%0Timeline
BNTBROOKFIELD WEALTH SOL LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,603 shares; 2024Q4: 4,603 shares; 2025Q1: 4,603 shares; 2025Q2: 4,603 shares; 2025Q3: 4,603 shares 4,603$315K0.18%0Timeline

How Q3 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000904793-25-000011 base2025-11-12acceptance time not in the bulk data set