Santa Monica Partners LP

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 13, 2026), Santa Monica Partners LP reported 13 stock positions worth $164.9 million. Its top holding was Mastercard Class A (MA) at 35.4% of the portfolio, followed by Texas Pacific Land Trust (TPL, 28.2%) and Balchem (BCPC, 10.9%). Compared with Q3 2025, it added to 1 and reduced 2. The biggest buy was Texas Pacific Land Trust (TPL, shares +200%) and the biggest sale Landbridge Co. LLC-A (LB, shares −36%).

Most Recent 13F
Q2 2026
Location
PALM BEACH GARDENS, FL
CIK
0000904793
Portfolio Value
$164.9M (Q4 2025)
SEC Filing
0000904793-26-000002 ↗ filed Feb 13, 2026

Holdings Value

0$50.0M$100.0M$150.0M$200.0M Q1 2024: $144.6M Q1 2024 Q2 2024: $148.9M Q2 2024 Q3 2024: $169.8M Q3 2024 Q4 2024: $185.2M Q4 2024 Q1 2025: $182.5M Q1 2025 Q2 2025: $171.5M Q2 2025 Q3 2025: $170.4M Q3 2025 Q4 2025: $164.9M $164.9M Q4 2025 Q1 2026: $179.1M Q1 2026 Q2 2026: $185.4M Q2 2026

Holdings 13 stocks · $164.9M
MA Mastercard Inc. Class A 35.37% 102,170 $58.3M No change
TPL Texas Pacific Land Trust 28.21% 161,973 $46.5M Add +200.0%
BCPC Balchem Corp. 10.87% 116,854 $17.9M Reduce -2.6%
BELFB Bel Fuse Inc. Class B 6.96% 67,634 $11.5M No change
BR Broadridge Financial Solutio 5.52% 40,793 $9.1M No change
GRMN Garmin Ltd. 5.01% 40,755 $8.3M No change
Grayscale Bitcoin Trust ETF 2.69% 64,932 $4.4M No change
BELFA Bel Fuse Inc. Class A 2.16% 23,434 $3.6M No change
BRK.A Berkshire Hathaway Inc. Class A 1.83% 4 $3.0M No change
LB Landbridge Co. LLC-A 0.53% 18,000 $882K Reduce -35.7%
MCB Metropolitan Bank Holding Co. 0.36% 7,811 $596K No change
BTC Grayscale Bitcoin Mini Trust filed as BTC 0.30% 12,986 $503K No change
BNT Brookfield Wealth Solutions 0.19% 6,904 $318K No change

Portfolio Sells Q3 2025 → Q4 2025
LB Landbridge Co. LLC-A Reduce -35.7% 0.53% −0.34
BCPC Balchem Corp. Reduce -2.6% 10.87% +0.30

Portfolio Buys Q3 2025 → Q4 2025
TPL Texas Pacific Land Trust Add +200.0% 28.21% −1.37

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 13$185.4MTPL, MA, BELFB, GRMN, BCPC
Q1 2026 13$179.1MTPL, MA, BELFB, GRMN, BCPC
Q4 2025 13$164.9MMA, TPL, BCPC, BELFB, BR
Q3 2025 13$170.4MMA, TPL, BCPC, GRMN, BR
Q2 2025 13$171.5MMA, TPL, BCPC, BR, GRMN
Q1 2025 13$182.5MTPL, MA, BCPC, BR, GRMN
Q4 2024 17$185.2MTPL, MA, BCPC, BR, GRMN
Q3 2024 17$169.8MMA, TPL, BCPC, BR, GRMN
Q2 2024 16$148.9MMA, TPL, BCPC, BR, GRMN
Q1 2024 16$144.6MMA, TPL, BCPC, BR, GRMN