Filing Flows › Mosaic (MOS) › Who owns the stock
Who owns Mosaic (MOS) stock
640 funds reported Mosaic (MOS) shares in their latest 13F filings, worth $7.3B in all. The largest holder is Vanguard Group ($942M). Last quarter 338 funds added to their stakes and 303 cut them. Members of Congress and other officials disclosed 3 trades (2 buys, 1 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Vanguard Group | 39,123,171 | $942M | increase | 2025-12-31 |
| BlackRock | 24,751,481 | $524M | increase | 2026-06-30 |
| Vanguard Capital Management LLC | 20,744,667 | $440M | increase | 2026-06-30 |
| AQR Capital Management LLC | 18,292,494 | $388M | increase | 2026-06-30 |
| State Street | 15,039,070 | $319M | increase | 2026-06-30 |
| Invesco | 14,904,222 | $316M | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 14,759,347 | $313M | decrease | 2026-06-30 |
| Dimensional Fund Advisors LP | 14,411,407 | $305M | increase | 2026-06-30 |
| Lingotto Investment Management LLP | 13,333,365 | $289M | new | 2026-09-30 |
| FMR LLC | 13,199,733 | $280M | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 8,919,117 | $189M | increase | 2026-06-30 |
| Millennium Management LLC | 6,591,349 | $140M | increase | 2026-06-30 |
| Morgan Stanley | 5,152,979 | $109M | increase | 2026-06-30 |
| Northern Trust | 5,138,691 | $109M | decrease | 2026-06-30 |
| Goldman Sachs Group | 4,195,842 | $88.9M | decrease | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-04-14 | Gilbert Cisneros | partial sale | $1K–$15K |
| 2026-03-27 | Alan Armstrong | purchase | $1K–$15K |
| 2026-01-09 | Gilbert Cisneros | purchase | $1K–$15K |
Mosaic's latest quarter
Mosaic, Q3 2026: revenue $3.1B (-10% year over year), operating margin -3.1%, net loss $65.3M, operating cash flow $284M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most MOS stock?
By the latest 13F filings: Vanguard Group ($942M); BlackRock ($524M); Vanguard Capital Management LLC ($440M); AQR Capital Management LLC ($388M); State Street ($319M).
Has Congress traded MOS stock?
Officials disclosed 3 trades on file: 2 buys and 1 sales. The latest: Gilbert Cisneros, partial sale on 2026-04-14.
What is the short interest in MOS?
33,783,621 shares were sold short at the 2026-10-15 settlement, 12.63% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.