The Mosaic Company (MOS) ownership: Top institutional holder: VANGUARD GROUP INC ($942.48M). Insider activity: Net Seller (5 buys, 15 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 39123171.00 | $942.48M | 2025-12-31 |
| FMR LLC | 29079010.00 | $741.51M | 2026-03-31 |
| BlackRock, Inc. | 23646970.00 | $603.00M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 20635339.00 | $526.20M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 15305353.00 | $390.29M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 14240050.00 | $363.11M | 2026-03-31 |
| STATE STREET CORP | 13407647.00 | $341.89M | 2026-03-31 |
| Invesco Ltd. | 11237121.00 | $286.55M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-03-09 | |
| Buy | null | 2026-03-09 | |
| Sell | null | 2026-03-09 | |
| Buy | null | 2026-03-09 | |
| Sell | null | 2026-03-09 | |
| Sell | null | 2026-03-09 | |
| Sell | null | 2026-03-09 | |
| Sell | null | 2026-03-09 |
Back to MOS overview · MOS earnings · All congressional trades
Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.