The Mosaic Company (MOS) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for MOS. 13F holdings as of 2026-03-31.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| FMR LLC | 29,079,010 | $742M | DECREASED |
| BlackRock, Inc. | 23,646,970 | $603M | DECREASED |
| VANGUARD CAPITAL MANAGEMENT LLC | 20,635,339 | $526M | NEW |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 15,305,353 | $390M | NEW |
| DIMENSIONAL FUND ADVISORS LP | 14,240,050 | $363M | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Kelvin R Westbrook (Director) | EXERCISE | 4,873 | 2026-05-28 | |
| Kelvin R Westbrook (Director) | AWARD | 7,273 | 2026-05-28 | |
| Kelvin R Westbrook (Director) | EXERCISE | 2,437 | 2026-05-28 | |
| Sonya C Little (Director) | AWARD | 7,273 | 2026-05-28 | |
| Sonya C Little (Director) | EXERCISE | 4,873 | 2026-05-28 |
Full institutional holdings, insider history, and congressional trades for The Mosaic Company on SentiSense.