Santa Monica Partners LP
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 12, 2025), Santa Monica Partners LP reported 13 stock positions worth $170.4 million. Its top holding was Mastercard Class A (MA) at 34.1% of the portfolio, followed by Texas Pacific Land Trust (TPL, 29.6%) and Balchem (BCPC, 10.6%). Compared with Q2 2025, it added to 1. The biggest buy was Landbridge Co. LLC-A (LB, shares +100%).
- Most Recent 13F
- Q2 2026
- Location
- PALM BEACH GARDENS, FL
- CIK
- 0000904793
- Portfolio Value
- $170.4M (Q3 2025)
- SEC Filing
- 0000904793-25-000011 ↗ filed Nov 12, 2025
Holdings Value
Holdings 13 stocks · $170.4M
| MA Mastercard Inc. Class A | 34.10% | 102,170 | $58.1M | No change |
| TPL Texas Pacific Land Trust | 29.57% | 53,991 | $50.4M | No change |
| BCPC Balchem Corp. | 10.57% | 120,014 | $18.0M | No change |
| GRMN Garmin Ltd. | 5.89% | 40,755 | $10.0M | No change |
| BR Broadridge Financial Solutio | 5.70% | 40,793 | $9.7M | No change |
| BELFB Bel Fuse Inc. Class B | 5.60% | 67,634 | $9.5M | No change |
| Grayscale Bitcoin Trust ETF | 3.42% | 64,932 | $5.8M | No change |
| BRK.A Berkshire Hathaway Inc. Class A | 1.77% | 4 | $3.0M | No change |
| BELFA Bel Fuse Inc. Class A | 1.60% | 23,434 | $2.7M | No change |
| LB Landbridge Co. LLC-A | 0.88% | 28,000 | $1.5M | Add +100.0% |
| BTC Grayscale Bitcoin Mini Trust | 0.39% | 12,986 | $657K | No change |
| MCB Metropolitan Bank Holding Co. | 0.34% | 7,811 | $584K | No change |
| BNT Brookfield Wealth Solutions | 0.18% | 4,603 | $315K | No change |
Portfolio Sells Q2 2025 → Q3 2025
| None this quarter. | |||
Portfolio Buys Q2 2025 → Q3 2025
| LB Landbridge Co. LLC-A | Add +100.0% | 0.88% | +0.33 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 13 | $185.4M | TPL, MA, BELFB, GRMN, BCPC |
| Q1 2026 | 13 | $179.1M | TPL, MA, BELFB, GRMN, BCPC |
| Q4 2025 | 13 | $164.9M | MA, TPL, BCPC, BELFB, BR |
| Q3 2025 | 13 | $170.4M | MA, TPL, BCPC, GRMN, BR |
| Q2 2025 | 13 | $171.5M | MA, TPL, BCPC, BR, GRMN |
| Q1 2025 | 13 | $182.5M | TPL, MA, BCPC, BR, GRMN |
| Q4 2024 | 17 | $185.2M | TPL, MA, BCPC, BR, GRMN |
| Q3 2024 | 17 | $169.8M | MA, TPL, BCPC, BR, GRMN |
| Q2 2024 | 16 | $148.9M | MA, TPL, BCPC, BR, GRMN |
| Q1 2024 | 16 | $144.6M | MA, TPL, BCPC, BR, GRMN |