Seaboard Corporation (SEB) ownership: Top institutional holder: DIMENSIONAL FUND ADVISORS LP ($266.22M). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 47087.00 | $266.22M | 2026-03-31 |
| BlackRock, Inc. | 24045.00 | $135.95M | 2026-03-31 |
| VANGUARD GROUP INC | 27267.00 | $121.20M | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 19336.00 | $109.33M | 2026-03-31 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 12332.00 | $69.73M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 10939.00 | $61.85M | 2026-03-31 |
| AQR CAPITAL MANAGEMENT LLC | 7791.00 | $44.05M | 2026-03-31 |
| PRIVATE MANAGEMENT GROUP INC | 7519.00 | $42.51M | 2026-03-31 |
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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.