The Mosaic Company
MX ˙ BMV ˙ US61945C1036
SecurityMX:MOS / The Mosaic Company
InstitutionCapital Fund Management S.a.
Latest Disclosed Ownership325,938 shares
Latest Disclosed Value $ 8,311,419
Capital Fund Management S.a. ownership in MOS / The Mosaic Company

On May 14, 2026 - Capital Fund Management S.a. filed a 13F-HR form disclosing ownership of 325,938 shares of The Mosaic Company (MX:MOS) valued at $8,311,419 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 339,247 shares of The Mosaic Company. This represents a change in shares of -3.92% during the quarter.

Capital Fund Management S.a. has a history of taking positions in derivatives of the underlying security (MOS) in the form of stock options. The firm currently holds call options representing 49,400 of underlying shares valued at $1,259,700 USD and put options representing 56,300 of underlying shares valued at $1,435,650 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Institutional Put/Call Ratios
(Premium Subscription Required)

In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:MOS / The Mosaic Company Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F MOSAIC CO COM MOSAIC CO COM 61945C103 325,938 -13,309 -3.92 8,311 1.70 0.0376
2026-02-17 2025-12-31 13F MOSAIC CO NEW COM MOSAIC CO NEW COM 61945C103 339,247 339,247 8,172 0.0227
2024-05-15 2024-03-31 13F MOSAIC CO COM 61945C103 0 -18,040 -100.00 0 -100.00
2024-02-14 2023-12-31 13F MOSAIC CO COM 61945C103 18,040 -18,868 -51.12 645 -50.95 0.0017
2023-11-14 2023-09-30 13F MOSAIC CO COM 61945C103 36,908 36,908 1,314 0.0045
2022-02-10 2021-12-31 13F MOSAIC CO COM 61945C103 0 -313,798 -100.00 0 -100.00
2021-11-12 2021-09-30 13F MOSAIC CO COM 61945C103 313,798 -22,876 -6.79 11,209 4.33 0.0830
2021-08-12 2021-06-30 13F MOSAIC CO COM 61945C103 336,674 336,674 10,743 0.0850
2021-05-14 2021-03-31 13F MOSAIC CO COM 61945C103 0 -386,795 -100.00 0 -100.00
2021-02-12 2020-12-31 13F MOSAIC CO COM 61945C103 386,795 -238,014 -38.09 8,900 -22.03 0.0839
2020-11-13 2020-09-30 13F MOSAIC CO COM 61945C103 624,809 -124,024 -16.56 11,415 21.86 0.1410
2020-08-13 2020-06-30 13F MOSAIC CO COM 61945C103 748,833 238,608 46.77 9,368 69.66 0.1487
2020-05-13 2020-03-31 13F Mosaic COM 61945C103 510,225 178,182 53.66 5,521 -23.16 0.0854
2020-02-13 2019-12-31 13F Mosaic COM 61945C103 332,043 313,786 1,718.72 7,185 1,821.12 0.0565
2019-11-13 2019-09-30 13F Mosaic COM 61945C103 18,257 18,257 -94.50 374 -94.79 0.0034
2019-08-12 2019-06-30 13F Mosaic COM 61945C103 0 -120,424 -100.00 0 -100.00
2019-05-13 2019-03-31 13F Mosaic COM 61945C103 120,424 0 0.00 3,518 0.00 0.0311
2019-02-13 2018-12-31 13F Mosaic COM 61945C103 120,424 89,074 284.13 3,518 245.58 0.0311
2018-11-14 2018-09-30 13F Mosaic COM 61945C103 31,350 31,350 -73.97 1,018 -71.06 0.0056
2018-05-15 2018-03-31 13F Mosaic COM 61945C103 0 -953,207 -100.00 0 -100.00
2018-02-09 2017-12-31 13F Mosaic COM 61945C103 953,207 30,079 3.26 24,459 22.72 0.1349
2017-11-13 2017-09-30 13F Mosaic COM 61945C103 923,128 615,400 199.98 19,930 183.70 0.1432
2017-08-10 2017-06-30 13F Mosaic COM 61945C103 307,728 307,728 -66.66 7,025 -64.75 0.0566
2017-05-03 2017-03-31 13F Mosaic COM 61945C103 0 -480,034 -100.00 0 -100.00
2017-02-08 2016-12-31 13F Mosaic COM 61945C103 480,034 480,034 14,079 0.1213
2016-10-31 2016-09-30 13F Mosaic COM 61945C103 0 -58,749 -100.00 0 -100.00
2016-07-27 2016-06-30 13F Mosaic COM 61945C103 58,749 -170,950 -74.42 1,538 -75.20 0.0144
2016-05-02 2016-03-31 13F Mosaic COM 61945C103 229,699 196,599 593.95 6,202 579.30 0.0602
2016-01-28 2015-12-31 13F Mosaic COM 61945C103 33,100 23,300 237.76 913 199.34 0.0094
2015-10-27 2015-09-30 13F Mosaic COM 61945C103 9,800 9,800 -70.39 305 -66.59 0.0034
2014-01-31 2013-12-31 13F Mosaic COM 61945C103 0 -36,221 -100.00 0 -100.00
2013-10-31 2013-09-30 13F Mosaic COM 61945C103 36,221 -449,747 -92.55 1,558 -94.04 0.0215
2013-07-31 2013-06-30 13F Mosaic COM 61945C103 485,968 485,968 26,150 0.3993
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-14 2026-03-31 13F MOSAIC CO COM MOSAIC CO COM Call 49,400 -60.42 1,260 -58.12 n/a n/a n/a
2026-02-17 2025-12-31 13F MOSAIC CO NEW COM MOSAIC CO NEW COM Call 124,800 0.24 3,006 -30.37 n/a n/a n/a
2025-11-13 2025-09-30 13F MOSAIC CO COM Call 124,500 50.91 4,318 43.47 n/a n/a n/a
2025-08-13 2025-06-30 13F MOSAIC CO COM Call 82,500 -38.34 3,010 -16.72 n/a n/a n/a
2025-05-14 2025-03-31 13F MOSAIC CO COM Call 133,800 -79.53 3,614 -77.51 n/a n/a n/a
2025-02-13 2024-12-31 13F MOSAIC CO COM Call 653,700 -29.69 16,068 -35.47 n/a n/a n/a
2024-11-13 2024-09-30 13F MOSAIC CO COM Call 929,800 10.18 24,900 2.10 n/a n/a n/a
2024-08-13 2024-06-30 13F MOSAIC CO COM Call 843,900 55.96 24,389 38.85 n/a n/a n/a
2024-05-15 2024-03-31 13F MOSAIC CO COM Call 541,100 -22.07 17,564 -29.20 n/a n/a n/a
2024-02-14 2023-12-31 13F MOSAIC CO COM Call 694,300 -12.28 24,807 -11.96 n/a n/a n/a
2023-11-14 2023-09-30 13F MOSAIC CO COM Call 791,500 -3.04 28,177 -1.38 n/a n/a n/a
2023-08-14 2023-06-30 13F MOSAIC CO COM Call 816,300 175.31 28,570 110.03 n/a n/a n/a
2023-05-15 2023-03-31 13F MOSAIC CO COM Call 296,500 231.28 13,603 246.48 n/a n/a n/a
2023-02-13 2022-12-31 13F MOSAIC CO COM Call 89,500 -56.34 3,926 -60.37 n/a n/a n/a
2022-11-14 2022-09-30 13F MOSAIC CO COM Call 205,000 -31.98 9,908 -30.40 n/a n/a n/a
2022-08-12 2022-06-30 13F MOSAIC CO COM Call 301,400 286.41 14,235 174.44 n/a n/a n/a
2022-05-12 2022-03-31 13F MOSAIC CO COM Call 78,000 62.16 5,187 174.59 n/a n/a n/a
2022-02-10 2021-12-31 13F MOSAIC CO COM Call 48,100 -45.77 1,890 -40.37 n/a n/a n/a
2021-11-12 2021-09-30 13F MOSAIC CO COM Call 88,700 -50.31 3,168 -44.37 n/a n/a n/a
2021-08-12 2021-06-30 13F MOSAIC CO COM Call 178,500 45.60 5,696 46.97 n/a n/a n/a
2021-05-14 2021-03-31 13F MOSAIC CO COM Call 122,600 -31.32 3,875 -31.96 n/a n/a n/a
2020-05-13 2020-03-31 13F Mosaic COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-02-13 2019-12-31 13F Mosaic COM Call 48,300 16.11 1,045 22.51 n/a n/a n/a
2019-11-13 2019-09-30 13F Mosaic COM Call 41,600 15.56 853 -5.33 n/a n/a n/a
2019-08-12 2019-06-30 13F Mosaic COM Call 36,000 -1.91 901 -15.95 n/a n/a n/a
2019-05-13 2019-03-31 13F Mosaic COM Call 36,700 0.00 1,072 0.00 n/a n/a n/a
2019-02-13 2018-12-31 13F Mosaic COM Call 36,700 10.21 1,072 -0.92 n/a n/a n/a
2018-11-14 2018-09-30 13F Mosaic COM Call 33,300 -4.03 1,082 11.20 n/a n/a n/a
2018-08-14 2018-06-30 13F Mosaic COM Call 34,700 -20.78 973 -8.47 n/a n/a n/a
2018-05-15 2018-03-31 13F Mosaic COM Call 43,800 -42.82 1,063 -45.93 n/a n/a n/a
2018-02-09 2017-12-31 13F Mosaic COM Call 76,600 -78.10 1,966 -73.97 n/a n/a n/a
2017-11-13 2017-09-30 13F Mosaic COM Call 349,800 242.94 7,552 224.26 n/a n/a n/a
2017-08-10 2017-06-30 13F Mosaic COM Call 102,000 -29.56 2,329 -44.88 n/a n/a n/a
2017-05-03 2017-03-31 13F Mosaic COM Call 144,800 0.70 4,225 0.17 n/a n/a n/a
2017-02-08 2016-12-31 13F Mosaic COM Call 143,800 52.17 4,218 82.52 n/a n/a n/a
2016-10-31 2016-09-30 13F Mosaic COM Call 94,500 -53.45 2,311 -56.52 n/a n/a n/a
2016-07-27 2016-06-30 13F Mosaic COM Call 203,000 -54.42 5,315 -55.80 n/a n/a n/a
2016-05-02 2016-03-31 13F Mosaic COM Call 445,400 42.53 12,026 39.48 n/a n/a n/a
2016-01-28 2015-12-31 13F Mosaic COM Call 312,500 797.99 8,622 696.12 n/a n/a n/a
2015-10-27 2015-09-30 13F Mosaic COM Call 34,800 -88.86 1,083 -87.44 n/a n/a n/a
2015-01-28 2014-12-31 13F Mosaic COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2014-10-31 2014-09-30 13F Mosaic COM Call 31,400 2.95 1,394 -7.56 n/a n/a n/a
2014-08-01 2014-06-30 13F Mosaic COM Call 30,500 -25.61 1,508 -26.44 n/a n/a n/a
2014-05-14 2014-03-31 13F Mosaic COM Call 41,000 -77.44 2,050 -76.13 n/a n/a n/a
2014-01-31 2013-12-31 13F Mosaic COM Call 181,700 2.31 8,589 12.42 n/a n/a n/a
2013-10-31 2013-09-30 13F Mosaic COM Call 177,600 7,640 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-14 2026-03-31 13F MOSAIC CO COM MOSAIC CO COM Put 56,300 -61.01 1,436 -58.74 n/a n/a n/a
2026-02-17 2025-12-31 13F MOSAIC CO NEW COM MOSAIC CO NEW COM Put 144,400 22.06 3,479 -15.21 n/a n/a n/a
2025-11-13 2025-09-30 13F MOSAIC CO COM Put 118,300 4.69 4,103 -0.49 n/a n/a n/a
2025-08-13 2025-06-30 13F MOSAIC CO COM Put 113,000 26.82 4,122 71.32 n/a n/a n/a
2025-05-14 2025-03-31 13F MOSAIC CO COM Put 89,100 -69.52 2,407 -66.51 n/a n/a n/a
2025-02-13 2024-12-31 13F MOSAIC CO COM Put 292,300 -41.25 7,185 -46.08 n/a n/a n/a
2024-11-13 2024-09-30 13F MOSAIC CO COM Put 497,500 -43.53 13,323 -47.67 n/a n/a n/a
2024-08-13 2024-06-30 13F MOSAIC CO COM Put 881,000 20.50 25,461 7.29 n/a n/a n/a
2024-05-15 2024-03-31 13F MOSAIC CO COM Put 731,100 8.18 23,732 -1.72 n/a n/a n/a
2024-02-14 2023-12-31 13F MOSAIC CO COM Put 675,800 -25.09 24,146 -24.82 n/a n/a n/a
2023-11-14 2023-09-30 13F MOSAIC CO COM Put 902,200 45.94 32,118 48.44 n/a n/a n/a
2023-08-14 2023-06-30 13F MOSAIC CO COM Put 618,200 81.13 21,637 38.18 n/a n/a n/a
2023-05-15 2023-03-31 13F MOSAIC CO COM Put 341,300 541.54 15,659 571.15 n/a n/a n/a
2023-02-13 2022-12-31 13F MOSAIC CO COM Put 53,200 -68.48 2,334 -71.40 n/a n/a n/a
2022-11-14 2022-09-30 13F MOSAIC CO COM Put 168,800 5.76 8,158 8.24 n/a n/a n/a
2022-08-12 2022-06-30 13F MOSAIC CO COM Put 159,600 554.10 7,538 364.67 n/a n/a n/a
2022-05-12 2022-03-31 13F MOSAIC CO COM Put 24,400 -61.15 1,623 -34.25 n/a n/a n/a
2022-02-10 2021-12-31 13F MOSAIC CO COM Put 62,800 -15.93 2,467 -7.53 n/a n/a n/a
2021-11-12 2021-09-30 13F MOSAIC CO COM Put 74,700 -19.07 2,668 -9.41 n/a n/a n/a
2021-08-12 2021-06-30 13F MOSAIC CO COM Put 92,300 -1.81 2,945 -0.88 n/a n/a n/a
2021-05-14 2021-03-31 13F MOSAIC CO COM Put 94,000 1.84 2,971 0.88 n/a n/a n/a
2020-05-13 2020-03-31 13F Mosaic COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2020-02-13 2019-12-31 13F Mosaic COM Put 25,200 65.79 545 74.68 n/a n/a n/a
2019-11-13 2019-09-30 13F Mosaic COM Put 15,200 -4.40 312 -21.61 n/a n/a n/a
2019-08-12 2019-06-30 13F Mosaic COM Put 15,900 11.97 398 -4.10 n/a n/a n/a
2019-05-13 2019-03-31 13F Mosaic COM Put 14,200 0.00 415 0.00 n/a n/a n/a
2019-02-13 2018-12-31 13F Mosaic COM Put 14,200 -55.49 415 -59.94 n/a n/a n/a
2018-11-14 2018-09-30 13F Mosaic COM Put 31,900 16.00 1,036 34.37 n/a n/a n/a
2018-08-14 2018-06-30 13F Mosaic COM Put 27,500 -42.23 771 -33.30 n/a n/a n/a
2018-05-15 2018-03-31 13F Mosaic COM Put 47,600 -92.34 1,156 -92.75 n/a n/a n/a
2018-02-09 2017-12-31 13F Mosaic COM Put 621,800 -54.00 15,955 -45.33 n/a n/a n/a
2017-11-13 2017-09-30 13F Mosaic COM Put 1,351,700 16.33 29,183 10.01 n/a n/a n/a
2017-08-10 2017-06-30 13F Mosaic COM Put 1,162,000 -5.37 26,528 -25.97 n/a n/a n/a
2017-05-03 2017-03-31 13F Mosaic COM Put 1,228,000 381.19 35,833 378.73 n/a n/a n/a
2017-02-08 2016-12-31 13F Mosaic COM Put 255,200 119.24 7,485 162.91 n/a n/a n/a
2016-10-31 2016-09-30 13F Mosaic COM Put 116,400 -53.72 2,847 -56.76 n/a n/a n/a
2016-07-27 2016-06-30 13F Mosaic COM Put 251,500 -55.21 6,584 -56.57 n/a n/a n/a
2016-05-02 2016-03-31 13F Mosaic COM Put 561,500 227.21 15,161 220.26 n/a n/a n/a
2016-01-28 2015-12-31 13F Mosaic COM Put 171,600 1,379.31 4,734 1,211.36 n/a n/a n/a
2015-10-27 2015-09-30 13F Mosaic COM Put 11,600 -93.24 361 -92.37 n/a n/a n/a
2015-01-28 2014-12-31 13F Mosaic COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2014-10-31 2014-09-30 13F Mosaic COM Put 7,400 10.45 329 -0.60 n/a n/a n/a
2014-08-01 2014-06-30 13F Mosaic COM Put 6,700 -64.55 331 -64.97 n/a n/a n/a
2014-05-14 2014-03-31 13F Mosaic COM Put 18,900 -92.55 945 -92.12 n/a n/a n/a
2014-01-31 2013-12-31 13F Mosaic COM Put 253,800 -9.16 11,997 -0.19 n/a n/a n/a
2013-10-31 2013-09-30 13F Mosaic COM Put 279,400 12,020 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.