Mosaic Co (MOS) shareholders
Close on Nov 13, 2026Market cap $6.97BP/E –Yield 4.01%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| FMR LLC Joint filing with Abigail P. Johnson (12.60%) | 39,980,661 | 12.60% | 13G (passive) amendment | Dec 31, 2025 |
| Vanguard Capital Management | 23,414,047 | 7.37% | 13G (passive) | Mar 31, 2026 |
| BlackRock, Inc. | 21,250,408 | 6.70% | 13G (passive) amendment | Mar 31, 2025 |
| State Street Corporation | 19,698,380 | 6.20% | 13G (passive) | Sep 30, 2026 |
| AQR Capital Management, LLC Joint filing with AQR Capital Management Holdings, LLC (5.76%) | 18,292,494 | 5.76% | 13G (passive) | Jun 30, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of MOS | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 24,751,481 | 7.79% | $524.48M | +1,104,511 | 0.01% |
| Vanguard Capital Management LLC | 20,744,667 | 6.53% | $439.58M | +109,328 | 0.01% |
| Aqr Capital Management LLC | 18,292,494 | 5.75% | $387.62M | +7,367,770 | 0.14% |
| State Street Corp | 15,039,070 | 4.73% | $318.68M | +1,631,423 | 0.01% |
| Invesco Ltd. | 14,904,222 | 4.69% | $315.82M | +3,667,101 | 0.02% |
| Vanguard Portfolio Management LLC | 14,759,347 | 4.64% | $312.75M | −546,006 | 0.01% |
| Dimensional Fund Advisors LP | 14,411,407 | 4.53% | $305.40M | +171,357 | 0.06% |
| FMR LLC | 13,199,733 | 4.15% | $279.70M | −15,879,277 | 0.01% |
| Geode Capital Management, LLC | 8,919,117 | 2.81% | $188.67M | +167,591 | 0.01% |
| Donald Smith & Co., Inc. | 7,723,547 | 2.43% | $163.66M | +3,105,856 | 2.88% |
| Millennium Management LLC | 6,591,349 | 2.07% | $139.67M | +6,361,462 | 0.05% |
| Morgan Stanley | 5,152,979 | 1.62% | $109.19M | +244,416 | 0.01% |
| Northern Trust Corp | 5,138,691 | 1.62% | $108.89M | −33,654 | 0.01% |
| Nykredit A/S | 5,112,277 | 1.61% | $108.33M | New | 0.34% |
| Norges Bank | 4,587,982 | 1.44% | $97.22M | New | 0.01% |
| Goldman Sachs Group Inc | 4,195,842 | 1.32% | $88.91M | −2,591,486 | 0.01% |
| Charles Schwab Investment Management Inc | 4,161,262 | 1.31% | $88.18M | +260,994 | 0.01% |
| Deutsche Bank AG\ | 3,450,286 | 1.09% | $73.11M | +588,403 | 0.02% |
| Price T Rowe Associates Inc /Md/ | 3,447,391 | 1.08% | $73.05M | −2,047,044 | 0.01% |
| UBS Group AG | 3,343,319 | 1.05% | $70.84M | +1,431,387 | 0.01% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 664 | 303M | 95.4% | 98 / 281 | 211 / 126 | 67M | 46M |
| Q1 2026 | 697 | 283M | 88.9% | 144 / 278 | 190 / 96 | 75M | 45M |
| Q4 2025 | 658 | 293M | 92.1% | 114 / 216 | 250 / 155 | 43M | 48M |
| Q3 2025 | 714 | 299M | 94.1% | 104 / 269 | 228 / 93 | 52M | 46M |
| Q2 2025 | 707 | 294M | 92.5% | 157 / 269 | 201 / 67 | 60M | 41M |
| Q1 2025 | 628 | 276M | 86.8% | 127 / 217 | 213 / 111 | 43M | 41M |
| Q4 2024 | 624 | 276M | 86.9% | 99 / 196 | 247 / 98 | 33M | 29M |
| Q3 2024 | 635 | 273M | 85.8% | 79 / 224 | 245 / 84 | 53M | 23M |
| Q2 2024 | 644 | 271M | 85.1% | 77 / 229 | 250 / 79 | 34M | 45M |
| Q1 2024 | 653 | 282M | 88.8% | 75 / 257 | 243 / 94 | 50M | 46M |
| Q4 2023 | 680 | 278M | 87.5% | 107 / 200 | 281 / 72 | 24M | 20M |
| Q3 2023 | 658 | 274M | 86.3% | 69 / 227 | 259 / 78 | 15M | 26M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
572 funds held MOS in Q2 2026, 57% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of MOS | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 10,087,387 | 3.17% | $213.75M | 0.01% | Jun 30, 2026 |
| Invesco S&P 500 Equal Weight ETF | 9,400,783 | 2.96% | $207.95M | 0.22% | Jul 31, 2026 |
| Vanguard 500 Index Fund | 8,236,956 | 2.59% | $174.54M | 0.01% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 7,291,898 | 2.29% | $154.52M | 0.08% | Jun 30, 2026 |
| Vanguard Small-Cap Value Index Fund | 4,617,596 | 1.45% | $97.85M | 0.14% | Jun 30, 2026 |
| iShares Core S&P 500 ETF | 4,385,245 | 1.38% | $92.92M | 0.01% | Jun 30, 2026 |
| Fidelity 500 Index Fund | 4,061,898 | 1.28% | $97.08M | 0.01% | May 31, 2026 |
| U.S. Small Cap Value Portfolio | 3,592,794 | 1.13% | $79.47M | 0.41% | Jul 31, 2026 |
| State Street(R) Materials Select Sector SPDR(R) ETF | 3,473,540 | 1.09% | $73.60M | 0.90% | Jun 30, 2026 |
| Strategic Advisers Fidelity U.S. Total Stock Fund | 2,610,555 | 0.82% | $62.39M | 0.02% | May 31, 2026 |
| FlexShares Morningstar Global Upstream Natural Resources Index Fund | 2,211,258 | 0.70% | $48.91M | 0.68% | Jul 31, 2026 |
| Vanguard Selected Value Fund | 1,781,250 | 0.56% | $39.40M | 0.57% | Jul 31, 2026 |
| Vanguard Institutional Index Fund | 1,726,941 | 0.54% | $36.59M | 0.01% | Jun 30, 2026 |
| Dimensional US Small Cap Value ETF | 1,596,256 | 0.50% | $35.31M | 0.43% | Jul 31, 2026 |
| Fidelity Value Fund | 1,569,700 | 0.49% | $34.72M | 0.33% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Bruce M. Bodine | President and CEO, Director | 20,250 | 0.01% | Mar 11, 2026 |
| Sarah C. Fedorchuk | SVP, Public & Corp Affairs | 17 | 0.00% | Nov 5, 2026 |
| Lisa L. Poissant | SVP and CHRO | – | – | Nov 5, 2026 |
| Christopher Edward Martus | SVP - Supply Chain | 21,651 | 0.01% | Nov 4, 2026 |
| Karen A. Swager | EVP - Operations | 184,989 | 0.06% | Nov 3, 2026 |
| Walter F. Precourt III | SVP - Chief Admin Officer | 116,198 | 0.04% | Aug 21, 2026 |
| Russell A. Flugel | Principal Accounting Officer | 14,845 | 0.00% | Mar 11, 2026 |
| Yijun Wang | EVP-Commercial | 59,613 | 0.02% | Mar 11, 2026 |
| Philip Eugene Bauer | Sr. VP, Gen Counsel & Corp Sec | 35,991 | 0.01% | Mar 11, 2026 |
| Luciano Siani Pires | EVP and CFO | 16,040 | 0.01% | Mar 6, 2026 |
| Sonya C. Little | Director | 7,351 | 0.00% | Oct 2, 2026 |
| Gretchen H. Watkins | Director | 35,934 | 0.01% | Jun 1, 2026 |
| Kelvin R. Westbrook | Director | 39,807 | 0.01% | Jun 1, 2026 |
| Joao Roberto Goncalves Teixeira | Director | 13,442 | 0.00% | Jun 1, 2026 |
| Kathleen M. Shanahan | Director | 7,286 | 0.00% | Jun 1, 2026 |
| Jody Lynne Kuzenko | Director | 13,444 | 0.00% | Jun 1, 2026 |
| Cheryl K. Beebe | Director | 46,691 | 0.01% | Jun 1, 2026 |
| Emery N. Koenig | Director | 86,228 | 0.03% | Jun 1, 2026 |
| Timothy S. Gitzel | Director | 79,527 | 0.03% | Jun 1, 2026 |
| Gregory L. Ebel | Director | 150,431 | 0.05% | Jun 1, 2026 |
| David Thomas Seaton | Director | 51,089 | 0.02% | Jun 1, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Karen A. Swager EVP - Operations | Nov 2, 2026 | Tax withholding | −6,094 | $18.39 | $112.07K | 184,989 |
| Karen A. Swager EVP - Operations | Nov 2, 2026 | Option exercise | +15,485 | – | – | 191,083 |
| Sonya C. Little Director | Sep 23, 2026 | Award | +65 | $24.73 | $1.61K | 7,351 |
| Walter F. Precourt III SVP - Chief Admin Officer | Aug 19, 2026 | Sale | −23,000 | $22.12 | $508.76K | 116,198 |
| Kelvin R. Westbrook Director | May 28, 2026 | Option exercise | +2,437 | – | – | 39,807 |
| Joao Roberto Goncalves Teixeira Director | May 28, 2026 | Option exercise | +4,873 | – | – | 13,442 |
| Kathleen M. Shanahan Director | May 28, 2026 | Option exercise | +4,873 | – | – | 7,286 |
| Gregory L. Ebel Director | May 28, 2026 | Option exercise | +7,310 | – | – | 7,310 |
| Timothy S. Gitzel Director | May 28, 2026 | Option exercise | +4,873 | – | – | 79,527 |
| Gretchen H. Watkins Director | May 28, 2026 | Option exercise | +4,873 | – | – | 35,934 |
| Emery N. Koenig Director | May 28, 2026 | Option exercise | +4,873 | – | – | 86,228 |
| Jody Lynne Kuzenko Director | May 28, 2026 | Option exercise | +4,873 | – | – | 13,444 |
| Sonya C. Little Director | May 28, 2026 | Option exercise | +4,873 | – | – | 7,286 |
| Cheryl K. Beebe Director | May 28, 2026 | Option exercise | +2,437 | – | – | 46,691 |
| David Thomas Seaton Director | May 28, 2026 | Option exercise | +3,167 | – | – | 51,089 |
| Yijun Wang EVP-Commercial | Mar 9, 2026 | Tax withholding | −4,406 | $26.92 | $118.61K | 59,613 |
| Yijun Wang EVP-Commercial | Mar 9, 2026 | Option exercise | +3,211 | – | – | 64,019 |
| Yijun Wang EVP-Commercial | Mar 9, 2026 | Option exercise | +7,613 | – | – | 60,808 |
| Karen A. Swager EVP - Operations | Mar 9, 2026 | Option exercise | +12,181 | – | – | 176,547 |
| Karen A. Swager EVP - Operations | Mar 9, 2026 | Tax withholding | −6,087 | $26.92 | $163.86K | 175,598 |
| Karen A. Swager EVP - Operations | Mar 9, 2026 | Option exercise | +5,138 | – | – | 181,685 |
| Russell A. Flugel Principal Accounting Officer | Mar 9, 2026 | Option exercise | +1,108 | – | – | 14,845 |
| Russell A. Flugel Principal Accounting Officer | Mar 9, 2026 | Option exercise | +4,437 | – | – | 13,737 |
| Russell A. Flugel Principal Accounting Officer | Mar 9, 2026 | Tax withholding | −2,384 | $26.92 | $64.18K | 12,461 |
| Philip Eugene Bauer Sr. VP, Gen Counsel & Corp Sec | Mar 9, 2026 | Option exercise | +7,613 | – | – | 35,991 |
| Philip Eugene Bauer Sr. VP, Gen Counsel & Corp Sec | Mar 9, 2026 | Tax withholding | −4,260 | $26.92 | $114.68K | 34,942 |
| Philip Eugene Bauer Sr. VP, Gen Counsel & Corp Sec | Mar 9, 2026 | Option exercise | +3,211 | – | – | 39,202 |
| Walter F. Precourt III SVP - Chief Admin Officer | Mar 9, 2026 | Option exercise | +5,138 | $26.92 | $138.31K | 145,865 |
| Walter F. Precourt III SVP - Chief Admin Officer | Mar 9, 2026 | Option exercise | +12,181 | – | – | 140,727 |
| Walter F. Precourt III SVP - Chief Admin Officer | Mar 9, 2026 | Tax withholding | −6,667 | $26.92 | $179.48K | 139,198 |
| Bruce M. Bodine President and CEO, Director | Mar 9, 2026 | Option exercise | +5,780 | – | – | 19,484 |
| Bruce M. Bodine President and CEO, Director | Mar 9, 2026 | Tax withholding | −7,668 | $26.92 | $206.42K | 11,816 |
| Bruce M. Bodine President and CEO, Director | Mar 9, 2026 | Option exercise | +13,704 | – | – | 13,704 |
| Philip Eugene Bauer Sr. VP, Gen Counsel & Corp Sec | Jan 5, 2026 | Tax withholding | −1,739 | $25.02 | $43.51K | 28,378 |
| Philip Eugene Bauer Sr. VP, Gen Counsel & Corp Sec | Jan 2, 2026 | Option exercise | +5,865 | – | – | 30,117 |
| Jody Lynne Kuzenko Director | Nov 11, 2025 | Buy | +685 | $25.53 | $17.49K | 8,571 |
| Kelvin R. Westbrook Director | May 29, 2025 | Option exercise | +3,011 | – | – | 37,370 |
| Timothy S. Gitzel Director | May 29, 2025 | Option exercise | +6,022 | – | – | 74,654 |
| David Thomas Seaton Director | May 29, 2025 | Option exercise | +3,914 | – | – | 47,922 |
| Sonya C. Little Director | May 29, 2025 | Option exercise | +2,413 | – | – | 2,413 |
| Gretchen H. Watkins Director | May 29, 2025 | Option exercise | +6,022 | – | – | 31,061 |
| Walter F. Precourt III SVP - Chief Admin Officer | May 29, 2025 | Sale | −18,000 | $35.73 | $643.14K | 128,546 |
| Gregory L. Ebel Director | May 29, 2025 | Option exercise | +9,033 | – | – | 44,110 |
| Cheryl K. Beebe Director | May 29, 2025 | Option exercise | +3,011 | – | – | 44,254 |
| Joao Roberto Goncalves Teixeira Director | May 29, 2025 | Option exercise | +6,022 | – | – | 10,376 |
| Joao Roberto Goncalves Teixeira Director | May 29, 2025 | Tax withholding | −1,807 | $35.91 | $64.89K | 8,569 |
| Emery N. Koenig Director | May 29, 2025 | Option exercise | +6,022 | – | – | 81,355 |
| Jody Lynne Kuzenko Director | May 29, 2025 | Option exercise | +6,022 | – | – | 7,886 |
| Kathleen M. Shanahan Director | May 29, 2025 | Option exercise | +2,413 | – | – | 2,413 |
| Russell A. Flugel Principal Accounting Officer | May 23, 2025 | Tax withholding | −999 | $35.10 | $35.06K | 9,300 |
| Russell A. Flugel Principal Accounting Officer | May 23, 2025 | Option exercise | +4,099 | – | – | 10,299 |
| Bruce M. Bodine President and CEO, Director | May 8, 2025 | Sale | −180,708 | $31.56 | $5.70M | 0 |
| Karen A. Swager EVP - Operations | Mar 4, 2025 | Option exercise | +4,931 | – | – | 170,839 |
| Walter F. Precourt III SVP - Chief Admin Officer | Mar 4, 2025 | Option exercise | +4,931 | – | – | 152,752 |
| Yijun Wang EVP-Commercial | Mar 4, 2025 | Option exercise | +2,385 | – | – | 56,387 |
| Philip Eugene Bauer Sr. VP, Gen Counsel & Corp Sec | Mar 4, 2025 | Option exercise | +527 | – | – | 25,423 |
| Bruce M. Bodine President and CEO, Director | Mar 4, 2025 | Option exercise | +5,408 | – | – | 187,645 |
| Karen A. Swager EVP - Operations | Mar 3, 2025 | Option exercise | +11,139 | – | – | 165,908 |
| Karen A. Swager EVP - Operations | Mar 3, 2025 | Tax withholding | −6,473 | $23.33 | $151.02K | 164,366 |
| Walter F. Precourt III SVP - Chief Admin Officer | Mar 3, 2025 | Option exercise | +11,139 | – | – | 147,821 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Mosaic's stock actually held short. Settlement fails (shares not delivered on time) peaked at 61,244 shares on Aug 17, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Walter F. Precourt III Officer | Aug 19, 2026 | 23,000 | $508.60K | Aug 19, 2026 | Restricted Stock Vesting |
| Walter F. Precourt III Officer | May 29, 2025 | 18,000 | $642.81K | May 29, 2025 | Restricted Stock Vesting |
| Bruce M. Bodine Officer, Director | May 8, 2025 | 180,708 | $5.69M | May 8, 2025 | Restricted Stock Vesting |
| Corrine D. Ricard Director | Nov 21, 2024 | 2,793 | $72.55K | Nov 21, 2024 | In Lieu of Services |
| Walter F. Precourt III Officer | Aug 13, 2024 | 39,748 | $1.11M | Aug 13, 2024 | Restricted Stock Vesting |
| Kelvin R. Westbrook Director | Aug 12, 2024 | 12,666 | $346.04K | Aug 12, 2024 | Restricted Stock Vesting |
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