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MOS in the 13F filings

Mosaic Co · CUSIP 61945C103

Sector · Materials
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023
Quarter end
31 Mar 2026
the date the book describes
Filed
27 Oct 2026
latest of these filings; the earliest 12 May 2026
Managers listing it
30
at least, of 95 tracked, among listed positions
Comparable managers
91
filed both Q4 2025 and Q1 2026; 5 listed it in both
Shares listed
72,430,662
combined, among listed positions
Reported value
$1.8bn
combined, at the quarter end

AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.

Among the 91 comparable managers: 18 buyers (opened or added shares) and 18 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -6,712,549.

Managers listing MOS in Q1 2026

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q4 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

30 of 30 holders

ActionFiling
Fidelity (FMR LLC)29,079,010$742munder 0.1%Trimmed-10,982,87215 May 2026 (the filing on sec.gov)
Invesco Ltd11,237,121$287munder 0.1%Trimmed-603,27712 May 2026 (the filing on sec.gov)
AQR Capital Management LLC10,924,724$277m0.13%Added+3,165,07315 May 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc5,494,435$140munder 0.1%Added+3,950,55015 May 2026 (the filing on sec.gov)
Arrowstreet Capital LP3,240,652$83munder 0.1%Added+2,320,60514 May 2026 (the filing on sec.gov)
Citadel Advisors LLC3,068,066$78munder 0.1%Added+910,12815 May 2026 (the filing on sec.gov)
Wellington Management Group LLP2,533,488$65munder 0.1%Added+1,090,19015 May 2026 (the filing on sec.gov)
Marshall Wace LLP2,086,169$53m0.05%Newnew15 May 2026 (the filing on sec.gov)
Squarepoint Ops LLC1,428,260$36munder 0.1%Trimmed-2,213,60015 May 2026 (the filing on sec.gov)
Susquehanna International Group LLP667,729$17munder 0.1%Trimmed-261,74915 May 2026 (the filing on sec.gov)
Jane Street Group LLC387,681$9.9munder 0.1%Added+378,47212 May 2026 (the filing on sec.gov)
Janus Henderson Group Ltd362,094$9.2munder 0.1%Trimmed-147,36618 May 2026 (the filing on sec.gov)
AllianceBernstein LP342,833$8.3munder 0.1%Trimmed-57,21815 May 2026 (the filing on sec.gov)
Millennium Management LLC229,887$5.9munder 0.1%Trimmed-1,108,15415 May 2026 (the filing on sec.gov)
Walleye Capital LLC229,385$5.8munder 0.1%Added+203,27013 May 2026 (the filing on sec.gov)
Two Sigma Investments LP226,046$5.8munder 0.1%Added+10015 May 2026 (the filing on sec.gov)
D. E. Shaw & Co.189,729$4.8munder 0.1%Trimmed-2,824,88315 May 2026 (the filing on sec.gov)
Man Group PLC133,889$3.4munder 0.1%Trimmed-357,84215 May 2026 (the filing on sec.gov)
ExodusPoint Capital Management LP128,102$3.3munder 0.1%Added+89,38114 May 2026 (the filing on sec.gov)
Caxton Associates LLP90,121$2.3m0.05%Newnew14 May 2026 (the filing on sec.gov)
Tudor Investment Corp89,098$2.3munder 0.1%Newnew15 May 2026 (the filing on sec.gov)
Neuberger Berman Group LLC67,015$1.7munder 0.1%Added+27,45327 Oct 2026 (the filing on sec.gov)
Quantbot Technologies LP35,409$903kunder 0.1%Newnew13 May 2026 (the filing on sec.gov)
Freestone Grove Partners LP32,965$841kunder 0.1%Trimmed-69,54515 May 2026 (the filing on sec.gov)
Schonfeld Strategic Advisors LLC31,746$810kunder 0.1%Newnew15 May 2026 (the filing on sec.gov)
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Largest increases and reductions, by shares

Q4 2025 to Q1 2026, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (8)

Exited (6)

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
13 in Q3 2024 to 7 in Q2 2026

Tracked managers listing it, at least.

01020302014201620182020202220242026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
MOS by quarter
QuarterHoldersReported valueBuyersSellers
Q2 201318$968mn.a.n.a.
Q3 201316$802mn.a.n.a.
Q4 201314$1.5bnn.a.n.a.
Q1 201411$1.5bnn.a.n.a.
Q2 201414$1.7bnn.a.n.a.
Q3 201410$1.5bnn.a.n.a.
Q4 201414$1.8bnn.a.n.a.
Q1 201512$1.4bnn.a.n.a.
Q2 201517$912mn.a.n.a.
Q3 201510$618mn.a.n.a.
Q4 201510$636mn.a.n.a.
Q1 20169$577mn.a.n.a.
Q2 20166$584mn.a.n.a.
Q3 20166$560mn.a.n.a.
Q4 20164$842mn.a.n.a.
Q1 20174$741mn.a.n.a.
Q2 20175$541mn.a.n.a.
Q3 201710$533mn.a.n.a.
Q4 201714$634mn.a.n.a.
Q1 20186$570mn.a.n.a.
Q2 20188$808mn.a.n.a.
Q3 20189$1.0bnn.a.n.a.
Q4 201816$1.1bnn.a.n.a.
Q1 201916$1.2bnn.a.n.a.
Q2 201911$899mn.a.n.a.
Q3 20196$679mn.a.n.a.
Q4 20195$288mn.a.n.a.
Q1 20209$147mn.a.n.a.
Q2 20209$151mn.a.n.a.
Q3 20206$210mn.a.n.a.
Q4 20208$406mn.a.n.a.
Q1 20218$712mn.a.n.a.
Q2 20218$890mn.a.n.a.
Q3 202110$1.2bnn.a.n.a.
Q4 202115$2.0bnn.a.n.a.
Q1 202222$3.7bnn.a.n.a.
Q2 202217$2.7bnn.a.n.a.
Q3 202219$3.1bnn.a.n.a.
Q4 202219$2.8bnn.a.n.a.
Q1 202313$3.3bnn.a.n.a.
Q2 20239$2.1bnn.a.n.a.
Q3 20238$2.2bnn.a.n.a.
Q4 202312$2.2bn84
Q1 202414$1.7bn114
Q2 202413$1.6bn95
Q3 202413$1.5bn94
Q4 202416$1.3bn115
Q1 202513$1.4bn104
Q2 202521$2.1bn138
Q3 202516$2.5bn712
Q4 20258$1.3bn1522
Q1 20267$1.2bn1818
Q2 20267$567m1618

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

MOS and LIN →MOS and GLW →MOS and HWM →Choose a stock to compare with MOS →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own MOS, latest filings →Back to the 13F Explorer →