Boston Omaha Corporation (BOC) ownership: insiders 52% · institutions 62% · index and ETF funds 7% (13F 2026-03-31). Insider activity, 90 days: Insiders bought (0 sales, 3 open-market buys). SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Magnolia Group, LLC | 5589253.00 | $65.28M | 18.4% | 2026-03-31 |
| Massachusetts Institute of Technology | 2444473.00 | $28.55M | 8.0% | 2026-03-31 |
| Dimensional Fund Advisors | 1563300.00 | $18.26M | 5.1% | 2026-03-31 |
| BlackRock | 1551864.00 | $18.13M | 5.1% | 2026-03-31 |
| Elgethun Capital Management | 1457992.00 | $17.03M | 4.8% | 2026-03-31 |
| Vanguard | 1432689.00 | $16.73M | 4.7% | 2026-03-31 |
| Fenimore Asset Management Inc | 930190.00 | $10.86M | 3.1% | 2026-03-31 |
| Private Management Group Inc | 917610.00 | $10.72M | 3.0% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-05-28 | |
| Buy | null | 2026-05-28 | |
| Buy | null | 2026-05-28 | |
| Buy | null | 2026-05-22 | |
| Buy | null | 2026-05-22 | |
| Buy | null | 2026-05-22 | |
| Buy | null | 2026-05-22 | |
| Sell | null | 2026-04-06 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.