MOSAIC CO/THE (MOS) Institutional Shareholders
MOSAIC CO/THE (MOS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $6.25B in MOS holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of MOS tracked by InsiderSet, reporting ownership valued at approximately $524.48M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $628.44M, representing an estimated gain of +19.82% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 52% of the total disclosed MOS value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, Aqr Capital Management Llc, and several other long-term asset managers with concentrated positions in MOSAIC CO/THE (MOS).
This page ranks the largest institutional MOS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
640
Total Reported Value
$6.25B
Largest Holder
Blackrock, Inc.
Largest Position
$524.48M
Insider Transactions (90d)
1
Latest Filing Quarter
Q2 2026
New Institutional Positions
51
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 24,751,481 | $524,483,894 | $628,440,103 | +$103,956,209 | +19.82% | |
| Vanguard Capital Management Llc | 0.01% | 20,744,667 | $439,579,494 | $526,707,095 | +$87,127,601 | +19.82% | |
| Aqr Capital Management Llc | 0.14% | 18,292,494 | $387,617,949 | $464,446,423 | +$76,828,474 | +19.82% | |
| State Street Corp | 0.01% | 15,039,070 | $318,677,893 | $381,841,987 | +$63,164,094 | +19.82% | |
| Invesco Ltd. | 0.02% | 14,904,222 | $315,820,465 | $378,418,197 | +$62,597,732 | +19.82% | |
| Vanguard Portfolio Management Llc | 0.01% | 14,759,347 | $312,750,563 | $374,739,820 | +$61,989,257 | +19.82% | |
| Dimensional Fund Advisors Lp | 0.06% | 14,411,407 | $305,402,687 | $365,905,624 | +$60,502,937 | +19.81% | |
| Fmr Llc | 0.01% | 13,199,733 | $279,702,348 | $335,141,221 | +$55,438,873 | +19.82% | |
| Geode Capital Management, Llc | 0.01% | 8,919,117 | $188,670,367 | $226,456,381 | +$37,786,014 | +20.03% | |
| Donald Smith & Co. | Donald G. Smith | 2.90% | 7,723,547 | $163,661,961 | $196,100,858 | +$32,438,897 | +19.82% |
| Millennium Management Llc | 0.09% | 6,591,349 | $139,670,685 | $167,354,351 | +$27,683,666 | +19.82% | |
| Morgan Stanley | 0.01% | 5,152,979 | $109,191,654 | $130,834,137 | +$21,642,483 | +19.82% | |
| Northern Trust Corp | 0.01% | 5,138,691 | $108,888,863 | $130,471,364 | +$21,582,501 | +19.82% | |
| Norges Bank | 0.01% | 4,587,982 | $97,219,339 | $116,488,863 | +$19,269,524 | +19.82% | |
| Goldman Sachs Group Inc | 0.01% | 4,195,842 | $88,909,895 | $106,532,428 | +$17,622,533 | +19.82% | |
| Charles Schwab Investment Management Inc | 0.01% | 4,161,262 | $88,177,142 | $105,654,442 | +$17,477,300 | +19.82% | |
| Deutsche Bank Ag\ | 0.02% | 3,450,286 | $73,111,560 | $87,602,762 | +$14,491,202 | +19.82% | |
| Price T Rowe Associates Inc | 0.01% | 3,447,391 | $73,051,000 | $87,529,257 | +$14,478,257 | +19.82% | |
| Ubs Group Ag | 0.01% | 3,343,319 | $70,844,929 | $84,886,869 | +$14,041,940 | +19.82% | |
| Thompson Siegel & Walmsley Llc | 1.13% | 2,961,417 | $62,752,000 | $75,190,378 | +$12,438,378 | +19.82% | |
| Capital International Investors | 0.01% | 2,784,080 | $58,994,655 | $70,687,791 | +$11,693,136 | +19.82% | |
| Wellington Management Group Llp | 0.01% | 2,755,216 | $58,383,027 | $69,954,934 | +$11,571,907 | +19.82% | |
| Bank Of New York Mellon Corp | 0.01% | 2,703,415 | $57,285,374 | $68,639,707 | +$11,354,333 | +19.82% | |
| Maple Rock Capital Partners Inc. | 1.11% | 2,680,000 | $56,789,200 | $68,045,200 | +$11,256,000 | +19.82% | |
| Allianz Asset Management Gmbh | 0.05% | 2,654,377 | $56,246,249 | $67,394,632 | +$11,148,383 | +19.82% | |
| Citigroup Inc | 0.02% | 2,384,204 | $50,521,283 | $60,534,940 | +$10,013,657 | +19.82% | |
| Bank Of America Corp | 0.00% | 2,326,512 | $49,298,799 | $59,070,140 | +$9,771,341 | +19.82% | |
| Dnb Asset Management As | 0.13% | 2,253,961 | $47,761,434 | $57,228,070 | +$9,466,636 | +19.82% | |
| Victory Capital Management Inc | 0.02% | 2,036,970 | $43,163,394 | $51,718,668 | +$8,555,274 | +19.82% | |
| Vanguard Fiduciary Trust Co | 0.01% | 1,784,632 | $37,816,352 | $45,311,806 | +$7,495,454 | +19.82% | |
| First Trust Advisors Lp | 0.02% | 1,622,771 | $34,386,522 | $41,202,156 | +$6,815,634 | +19.82% | |
| Raymond James Financial Inc | 0.01% | 1,532,192 | $32,467,154 | $38,902,355 | +$6,435,201 | +19.82% | |
| Susquehanna International Group, Llp | 0.03% | 1,374,456 | $29,124,723 | $34,897,438 | +$5,772,715 | +19.82% | |
| Grantham, Mayo, Van Otterloo & Co. Llc | 0.06% | 1,342,000 | $28,436,980 | $34,073,380 | +$5,636,400 | +19.82% | |
| Gate City Capital Management, Llc | 7.14% | 1,300,000 | $27,547,000 | $33,007,000 | +$5,460,000 | +19.82% | |
| Jpmorgan Chase & Co | 0.00% | 1,193,279 | $27,094,111 | $30,297,354 | +$3,203,243 | +11.82% | |
| Sailingstone Capital Partners Llc | 4.71% | 1,187,332 | $25,159,565 | $30,146,359 | +$4,986,794 | +19.82% | |
| Goehring & Rozencwajg Associates, Llc | 1.44% | 1,178,956 | $24,982,078 | $29,933,693 | +$4,951,615 | +19.82% | |
| Nuveen, Llc | 0.01% | 1,131,753 | $23,981,846 | $28,735,209 | +$4,753,363 | +19.82% | |
| Kopernik Global Investors, Llc | 1.45% | 1,119,095 | $23,713,623 | $28,413,822 | +$4,700,199 | +19.82% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 917,593 | $23,398,625 | $23,297,686 | -$100,939 | -0.43% | |
| Barclays Plc | 0.01% | 1,087,529 | $23,044,744 | $27,612,361 | +$4,567,617 | +19.82% | |
| S&Co Inc | 1.27% | 1,040,723 | $22,052,000 | $26,423,957 | +$4,371,957 | +19.83% | |
| American Century Companies Inc | 0.01% | 1,031,078 | $21,848,563 | $26,179,070 | +$4,330,507 | +19.82% | |
| Storebrand Asset Management As | 0.05% | 999,721 | $21,184,088 | $25,382,916 | +$4,198,828 | +19.82% | |
| Bnp Paribas Financial Markets | 0.01% | 990,020 | $20,978,524 | $25,136,608 | +$4,158,084 | +19.82% | |
| Holocene Advisors, Lp | 0.05% | 984,226 | $20,855,749 | $24,989,498 | +$4,133,749 | +19.82% | |
| Citadel Advisors Llc | 0.01% | 978,462 | $20,733,610 | $24,843,150 | +$4,109,540 | +19.82% | |
| Algert Global Llc | 0.24% | 946,286 | $20,051,800 | $24,026,202 | +$3,974,402 | +19.82% | |
| Susquehanna Portfolio Strategies, Llc | 0.30% | 902,630 | $19,126,730 | $22,917,776 | +$3,791,046 | +19.82% |
Frequently asked questions about MOS
Who owns the most MOS stock?
The largest holders of MOS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for MOSAIC CO/THE (MOS).
Is MOS widely held by superinvestors?
Many widely followed stocks like MOS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MOS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.