The MosaicMOS
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 697 institutions reported holding The Mosaic Co. (MOS) in their 13F filings, up 39 from Q4 2025. 132 opened new positions and 95 sold out. The largest holders were FMR LLC ($741.5M), BlackRock, Inc. ($603.0M) and Vanguard Capital Management LLC ($526.2M). 9 famous investors held it, including Cliff Asness (0.1% of AQR Capital Management's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and John W. Rogers Jr. (0.0% of Ariel Investments's portfolio).
- Company
- The Mosaic Co.
- Sector
- Industrials
- CUSIP
- 61945C103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 132 | $273.0M |
| Exits | 95 | $230.6M |
All 13F filers, Q4 2025 → Q1 2026: 35,681,472 shares bought and 39,709,582 shares sold, net −4,028,110 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 697 holders
| FMR LLC | 0.04% | Reduce -27.4% | 29,079,010 | $741.5M |
| BlackRock, Inc. | 0.01% | Reduce -2.7% | 23,646,970 | $603.0M |
| Vanguard Capital Management LLC | 0.01% | — | 20,635,339 | $526.2M |
| Vanguard Portfolio Management LLC | 0.02% | — | 15,305,353 | $390.3M |
| Dimensional Fund Advisors LP | 0.08% | Add +6.2% | 14,240,050 | $363.1M |
| State Street Corp. | 0.01% | Add +1.8% | 13,407,647 | $341.9M |
| Invesco Ltd. | 0.03% | Reduce -5.1% | 11,237,121 | $286.5M |
| AQR Capital Management | 0.13% | Add +40.8% | 10,924,724 | $276.5M |
| Geode Capital Management, LLC | 0.01% | Add +3.2% | 8,751,526 | $222.8M |
| Goldman Sachs Group Inc. | 0.02% | Add +18.3% | 6,787,328 | $173.1M |
| T. Rowe Price Associates Inc. | 0.02% | Add +255.9% | 5,494,435 | $140.1M |
| Northern Trust Corp. | 0.02% | Add +7.0% | 5,172,345 | $131.9M |
| Morgan Stanley | 0.01% | Reduce -0.9% | 4,908,563 | $125.2M |
| Donald Smith & Co., Inc. | 2.12% | Reduce -0.1% | 4,617,691 | $117.8M |
| Bank of New York Mellon Corp | 0.02% | Add +0.6% | 4,136,118 | $105.5M |
| Charles Schwab Investment Management Inc. | 0.02% | Add +2.8% | 3,900,268 | $99.5M |
| Arrowstreet Capital, Limited Partnership | 0.04% | Add +252.2% | 3,240,652 | $82.6M |
| Citadel Advisors | 0.06% | Add +42.2% | 3,068,066 | $78.2M |
| Thompson Siegel & Walmsley LLC | 1.37% | Add +2.0% | 3,037,020 | $77.4M |
| Deutsche Bank AG | 0.02% | Add +15.7% | 2,861,883 | $73.0M |
| Wellington Management Group LLP | 0.01% | Add +75.5% | 2,533,488 | $64.6M |
| Bank of America Corp. | 0.00% | Add +7.4% | 2,486,973 | $63.4M |
| DNB Asset Management AS | 0.20% | New | 2,253,961 | $57.5M |
| Allianz Asset Management GmbH | 0.07% | Reduce -2.3% | 2,227,142 | $56.8M |
| Victory Capital Management Inc. | 0.03% | Reduce -22.7% | 2,111,310 | $53.8M |
| Marshall Wace, LLP | 0.06% | New | 2,086,169 | $53.2M |
| UBS Group AG | 0.01% | Reduce -13.4% | 1,911,932 | $48.8M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 1,787,001 | $45.6M |
| Raymond James Financial Inc. | 0.01% | Add +21.3% | 1,662,625 | $42.3M |
| Van Eck Associates Corp. | 0.03% | Add +25.5% | 1,571,002 | $40.1M |
| JPMorgan Chase & Co. | 0.00% | Add +67.3% | 1,601,527 | $40.0M |
| LSV Asset Management | 0.09% | Reduce -3.0% | 1,548,990 | $39.5M |
| Amundi | 0.01% | Add +2.5% | 1,497,318 | $38.2M |
| Squarepoint Ops LLC | 0.08% | Reduce -60.8% | 1,428,260 | $36.4M |
| BNP Paribas Financial Markets | 0.02% | Add +21.2% | 1,392,993 | $35.5M |
| Randolph Co Inc | 3.36% | Add +0.0% | 1,381,142 | $35.2M |
| Nuveen, LLC | 0.01% | Reduce -8.4% | 1,261,836 | $32.2M |
| Caisse de depot et placement du Quebec | 0.05% | Reduce -40.7% | 1,198,464 | $30.6M |
| Barclays PLC | 0.01% | Add +1.8% | 1,075,348 | $27.4M |
| Storebrand Asset Management As | 0.07% | Reduce -1.5% | 1,000,976 | $25.5M |
| S&co Inc. | 1.52% | Reduce -1.1% | 963,667 | $24.6M |
| Wells Fargo & Company | 0.00% | Add +140.2% | 952,740 | $24.3M |
| First Trust Advisors LP | 0.02% | Add +77.2% | 949,167 | $24.2M |
| Goehring & Rozencwajg Associates, LLC | 1.26% | Add +104.5% | 922,305 | $23.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -8.3% | 917,593 | $23.4M |
| Aegis Financial Corp. | 3.75% | No change | 853,638 | $21.8M |
| Terril Brothers, Inc. | 5.40% | Add +1.4% | 772,635 | $19.7M |
| HRT Financial LP | 0.05% | Reduce -28.6% | 751,298 | $19.2M |
| Russell Investments Group, Ltd. | 0.02% | Reduce -27.3% | 744,054 | $19.0M |
| Managed Asset Portfolios, LLC | 2.23% | Add +3.9% | 728,225 | $18.6M |
| Vanguard Global Advisers, LLC | 0.01% | — | 720,274 | $18.4M |
| Ceredex Value Advisors LLC | 0.57% | Reduce -2.9% | 712,162 | $18.2M |
| Susquehanna Portfolio Strategies, LLC | 0.26% | New | 694,248 | $17.7M |
| Foundation Resource Management Inc. | 1.96% | Add +5.0% | 683,731 | $17.4M |
| Susquehanna International Group, LLP | 0.02% | Reduce -28.2% | 667,729 | $17.0M |
| Cohen & Steers, Inc. | 0.03% | Add +35.8% | 663,739 | $16.9M |
| Alyeska Investment Group, L.P. | 0.05% | New | 644,400 | $16.4M |
| Legal & General Group Plc | 0.00% | Reduce -11.4% | 632,551 | $16.1M |
| Swiss National Bank | 0.01% | Add +0.4% | 628,344 | $16.0M |
| MetLife Investment Management, LLC | 0.08% | Reduce -3.2% | 627,127 | $16.0M |
| Bank of Montreal | 0.01% | Reduce -10.4% | 612,960 | $15.6M |
| Cerity Partners LLC | 0.02% | Add +828.5% | 602,901 | $15.4M |
| Rhumbline Advisers | 0.01% | Reduce -6.5% | 590,663 | $15.1M |
| Sei Investments Co. | 0.01% | Reduce -17.9% | 573,958 | $14.6M |
| Newport Trust Company, LLC | 0.04% | Add +0.4% | 568,921 | $14.5M |
| Edmond DE Rothschild Holding S.A. | 0.20% | Add +23.3% | 530,000 | $13.5M |
| IMC-Chicago, LLC | 0.20% | Add +165.0% | 517,288 | $13.2M |
| Contrarius Group Holdings Ltd | 0.73% | New | 502,751 | $12.8M |
| Colrain Capital LLC | 4.93% | Add +90.4% | 500,107 | $12.8M |
| Citigroup Inc. | 0.01% | Reduce -39.4% | 458,436 | $11.7M |
| SG Americas Securities, LLC | 0.01% | Reduce -38.0% | 455,480 | $11.6M |
| Principal Financial Group Inc. | 0.01% | Add +2.1% | 427,870 | $10.9M |
| HSBC Holdings PLC | 0.01% | Reduce -58.2% | 424,088 | $10.8M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.01% | Reduce -0.0% | 415,843 | $10.6M |
| M&G PLC | 0.05% | Add +13.3% | 394,962 | $10.3M |
| Royal Bank of Canada | 0.00% | Add +18.6% | 401,445 | $10.2M |
| Wedge Capital Management L L P | 0.19% | Add +5.2% | 396,460 | $10.1M |
| California Public Employees Retirement System | 0.01% | Reduce -33.5% | 393,720 | $10.0M |
| Jane Street Group, LLC | 0.01% | Add +4109.8% | 387,681 | $9.9M |
| Abbington Investment Group | 5.66% | Add +339.0% | 381,259 | $9.7M |
| Ieq Capital, LLC | 0.04% | Add +580.5% | 373,902 | $9.5M |
| Swedbank AB | 0.01% | Reduce -27.0% | 373,083 | $9.5M |
| Trek Financial, LLC | 0.50% | New | 370,974 | $9.5M |
| California State Teachers Retirement System | 0.01% | Add +22.2% | 366,466 | $9.3M |
| Group One Trading LLC | 0.31% | Add +133.7% | 363,052 | $9.3M |
| Janus Henderson Group PLC | 0.00% | Reduce -28.9% | 362,094 | $9.2M |
| Sage Capital Advisors,llc | 2.13% | New | 360,665 | $9.2M |
| Quantinno Capital Management LP | 0.02% | Add +145.5% | 353,786 | $9.0M |
| Massar Capital Management, LP | 1.67% | New | 328,658 | $8.4M |
| Ameriprise Financial Inc. | 0.00% | Add +25.2% | 328,418 | $8.4M |
| Capital Fund Management S.A. | 0.07% | Reduce -3.9% | 325,938 | $8.3M |
| Alliancebernstein L.P. | 0.00% | Reduce -14.3% | 342,833 | $8.3M |
| Mariner, LLC | 0.01% | Add +192.0% | 316,228 | $8.1M |
| Perseverance Asset Management International | 0.84% | New | 300,000 | $7.7M |
| State Board of Administration of Florida Retirement System | 0.01% | No change | 297,528 | $7.6M |
| Focus Partners Wealth | 0.01% | Add +28.1% | 290,094 | $7.4M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.01% | — | 283,015 | $7.2M |
| Cibc World Market Inc. | 0.01% | Add +710.5% | 276,666 | $7.1M |
| Brandywine Financial Group | 5.74% | New | 264,977 | $6.8M |
| Algert Global LLC | 0.10% | Reduce -31.7% | 264,586 | $6.7M |
"% of holder's portfolio" is MOS's weight in each manager's 13F, not the share of The Mosaic Co. the manager owns.