| Boston Omaha Corporation - Class A Common Stock(BOC) | CL A | 101044105 | $3.9M | 134,155 | 76.9% |
| Boeing Co.(BA) | COM | 097023105 | $1.0M | 5,000 | 20.1% |
| Balchem Corp. Com(BCPC)A | COM | 057665200 | $59.6K | 353,431 | 1.2% |
| Mastercard Incorporated Common Stock(MA) | COM | 57636Q104 | $42.1K | 117,170 | 0.8% |
| Texas Pacific Land Trust Common StockA | COM | 882610108 | $22.8K | 18,267 | 0.5% |
| Broadridge Financial Solutions, Inc.Common Stock(BR) | COM | 11133T103 | $7.5K | 40,793 | 0.1% |
| Garmin Ltd. - Common Stock(GRMN) | COM | H2906T109 | $5.6K | 40,755 | 0.1% |
| Tejon Ranch Co. - Common Stock(TRC)A | COM | 879080109 | $2.5K | 132,201 | 0.1% |
| Virtus Investment Partners, Inc. - Common Stock(VRTS)A | COM | 92828Q109 | $1.8K | 6,076 | 0.0% |
| Berkshire Hathaway Inc. Common Stock(BRK/A) | CL A | 084670108 | $1.8K | 4 | 0.0% |
| First Horizon National Corp.(FHN) | COM | 320517105 | $1.7K | 102,296 | 0.0% |
| Franco-Nevada Corporation(FNV) | COM | 351858105 | $1.5K | 10,676 | 0.0% |
| Simulations Plus, Inc. - Common Stock(SLP)A | COM | 829214105 | $1.4K | 28,596 | 0.0% |
| Bel Fuse Inc. - Class B Common Stock(BELFB) | CL B | 077347300 | $875 | 67,634 | 0.0% |
| Metropolitan Bank Holding Corp. Common Stock(MCB) | COM | 591774104 | $832 | 7,811 | 0.0% |
| Dolby Laboratories Common Stock(DLB) | COM | 25659T107 | $826 | 8,679 | 0.0% |
| Flushing Financial Corporation - Common Stock(FFIC) | COM | 343873105 | $528 | 21,745 | 0.0% |
| Bel Fuse Inc. - Class A Common Stock(BELFA) | CL A | 077347201 | $352 | 23,434 | 0.0% |
| Black Knight Inc.(BKIEUR) | COM | 09215C105 | $236 | 2,852 | 0.0% |
| Lixte Biotechnology Holdings Inc. | COM | 539319202 | $198 | 166,667 | 0.0% |
| Psychemedics Corp. | COM | 744375205 | $140 | 20,000 | 0.0% |