Santa Monica Partners LP has filed a Form 13F-HR with the U.S. Securities and Exchange Commission, disclosing its equity securities holdings as of the close of business on September 30, 2026. The filing, signed by Anne L. Arnold, Chief Compliance Officer, lists a total of 13 securities held by the firm.

The largest position disclosed in the portfolio is Texas Pacific Land Corp., for which the firm holds 161,973 shares. The firm also holds a significant position in Mastercard Incorporated, with 102,170 shares. Other notable holdings include Bel Fuse Inc., split between its Class A and Class B common stock, with 23,434 and 67,634 shares respectively. The firm also holds 40,795 shares of Garmin Ltd., 40,793 shares of Broadridge Financial Solutions, Inc., and 28,000 shares of Landbridge Company.

The filing also lists several other equity holdings, including Berkshire Hathaway Inc., Metropolitan Bank Holding Corp., Grayscale Bitcoin Trust ETF ETP, Grayscale Bitcoin Minitrust ETF ETP, Balchem Corp., and Brookfield Wealth Solutions Class A stock. The total number of shares held across all positions is 511,009.