Who owns MOSAIC CO, from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
AQR Capital Management, LLC: 5.8% · 18,292,494 shares — AQR Capital Management Holdings, LLC: 5.8% · 18,292,494 shares
FMR LLC: 4.2% · 13,199,733 shares — Abigail P. Johnson: 4.2% · 13,199,733 shares
4 more 5% stakes behind a free account
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Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of MOSAIC CO they hold. Together these 880 managers report 112.54% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | $942M | 39,123,171 | 0.01% | 12.31% | December 31, 2025 |
| BlackRock, Inc. | $524M | 24,751,481 | 0.01% | 7.79% | June 30, 2026 |
878 more institutional holders behind a free account
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Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together the 500 largest funds we checked hold 50.49% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND | $214M | 0.01% | 3.17% | June 30, 2026 |
| Strategic Advisers Fidelity U.S. Total Stock Fund | $180M | 0.08% | 2.03% | February 28, 2026 |
498 more funds behind a free account
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