The Mosaic Company
658 hedge funds and large institutions have $7.03B invested in The Mosaic Company in 2025 Q4 according to their latest regulatory filings, with 114 funds opening new positions, 216 increasing their positions, 249 reducing their positions, and 155 closing their positions.
0% more funds holding in top 10
Funds holding in top 10: 4 → 4 (0)
1.6% less ownership
Funds ownership: 93.5% → 91.9% (-1.6%)
8% less funds holding
Funds holding: 714 → 658 (-56)
13% less repeat investments, than reductions
Existing positions increased: 216 | Existing positions reduced: 249
22% less call options, than puts
Call options by funds: $154M | Put options by funds: $198M
26% less first-time investments, than exits
New positions opened: 114 | Existing positions closed: 155
32% less capital invested
Capital invested by funds: $10.3B → $7.03B (-$3.26B)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$82.3M |
| 2 |
Invesco
Atlanta,
Georgia
|
+$71.5M |
| 3 |
Goldman Sachs
New York
|
+$70.6M |
| 4 |
Squarepoint
New York
|
+$42.3M |
| 5 |
RC
Randolph Company
Cincinnati,
Ohio
|
+$37.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of New York Mellon
New York
|
-$96.7M |
| 2 |
Two Sigma Advisers
New York
|
-$85.8M |
| 3 |
Truist Financial
Charlotte,
North Carolina
|
-$79.6M |
| 4 |
Two Sigma Investments
New York
|
-$56.3M |
| 5 |
Envestnet Asset Management
Chicago,
Illinois
|
-$48.1M |
MOS Hedge Fund Activity: Q4 2025 in Review
658 of the 8,266 institutional investors tracked by Wall St. Rank reported a position in The Mosaic Company (MOS) for Q4 2025, worth a combined $7.03B — down 32% from $10.3B a quarter earlier.
Sellers outnumbered buyers: 155 funds closed out of MOS and 114 opened new positions — a net loss of 41 holders — while 249 trimmed existing stakes and 216 added.
The largest buyer was Fidelity Investments, adding an estimated $82.3M. The largest seller was Bank of New York Mellon, cutting an estimated $96.7M.
- 658 institutional investors held The Mosaic Company (MOS) as of Q4 2025, down from 714 in Q3 2025.
- Funds reported $7.03B of The Mosaic Company stock for Q4 2025, down 32% quarter-over-quarter.
- 114 funds opened new The Mosaic Company positions in Q4 2025 and 155 closed out, a net change of -41 holders.
- The largest The Mosaic Company buyer in Q4 2025 was Fidelity Investments, an estimated $82.3M added.
- The largest The Mosaic Company seller in Q4 2025 was Bank of New York Mellon, an estimated $96.7M sold.
Based on aggregated 13F filings for Q4 2025.