The Mosaic Company
MOS
629 hedge funds and large institutions have $7.46B invested in The Mosaic Company in 2025 Q1 according to their latest regulatory filings, with 126 funds opening new positions, 218 increasing their positions, 213 reducing their positions, and 112 closing their positions.
13% more first-time investments, than exits
New positions opened: 126 | Existing positions closed: 112
11% more capital invested
Capital invested by funds: $6.75B → $7.46B (+$717M)
2% more repeat investments, than reductions
Existing positions increased: 218 | Existing positions reduced: 213
0.85% more ownership
Funds ownership: 86.34% → 87.19% (+0.85%)
0% more funds holding
Funds holding: 626 → 629 (+3)
0% more funds holding in top 10
Funds holding in top 10: 5 → 5 (0)
28% less call options, than puts
Call options by funds: $156M | Put options by funds: $219M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$115M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
+$69.3M |
| 3 |
Boston Partners
Boston,
Massachusetts
|
+$62.6M |
| 4 |
Fuller & Thaler Asset Management
San Mateo,
California
|
+$53.8M |
| 5 |
GC
GMT Capital
Atlanta,
Georgia
|
+$46.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$142M |
| 2 |
Capital World Investors
Los Angeles,
California
|
-$85M |
| 3 |
A
AustralianSuper
Melbourne,
Australia
|
-$59.8M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
-$48.5M |
| 5 |
Millennium Management
New York
|
-$39.2M |
MOS Hedge Fund Activity: Q1 2025 in Review
629 of the 7,471 institutional investors tracked by Wall St. Rank reported a position in The Mosaic Company (MOS) for Q1 2025, worth a combined $7.46B — up 11% from $6.75B a quarter earlier.
Buyers outnumbered sellers: 126 funds opened new MOS positions and 112 closed out — a net gain of 14 holders — while 218 added to existing stakes and 213 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $115M. The largest seller was BlackRock, cutting an estimated $142M.
- 629 institutional investors held The Mosaic Company (MOS) as of Q1 2025, up from 626 in Q4 2024.
- Funds reported $7.46B of The Mosaic Company stock for Q1 2025, up 11% quarter-over-quarter.
- 126 funds opened new The Mosaic Company positions in Q1 2025 and 112 closed out, a net change of +14 holders.
- The largest The Mosaic Company buyer in Q1 2025 was Fidelity Investments, an estimated $115M added.
- The largest The Mosaic Company seller in Q1 2025 was BlackRock, an estimated $142M sold.
Based on aggregated 13F filings for Q1 2025.