MP Materials
677 hedge funds and large institutions have $8.4B invested in MP Materials in 2025 Q3 according to their latest regulatory filings, with 262 funds opening new positions, 183 increasing their positions, 186 reducing their positions, and 65 closing their positions.
303% more first-time investments, than exits
New positions opened: 262 | Existing positions closed: 65
87% more capital invested
Capital invested by funds: $4.49B → $8.4B (+$3.9B)
40% more funds holding
Funds holding: 484 → 677 (+193)
14% more funds holding in top 10
Funds holding in top 10: 7 → 8 (+1)
6% more call options, than puts
Call options by funds: $1.94B | Put options by funds: $1.83B
2% less repeat investments, than reductions
Existing positions increased: 183 | Existing positions reduced: 186
20.52% less ownership
Funds ownership: 82.55% → 62.03% (-21%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$179M |
| 2 |
WHRC
W.H. Reaves & Co
Jersey City,
New Jersey
|
+$102M |
| 3 |
TI
Tidal Investments
Milwaukee,
Wisconsin
|
+$100M |
| 4 |
HP
Hancock Prospecting
West Perth,
Australia
|
+$62.9M |
| 5 |
Amundi
Paris,
France
|
+$55.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CAU
Caxton Associates (UK)
London,
|
-$248M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
-$246M |
| 3 |
Walleye Trading
New York
|
-$153M |
| 4 |
BlackRock
New York
|
-$132M |
| 5 |
National Bank of Canada
Montreal,
Quebec, Canada
|
-$126M |
MP Hedge Fund Activity: Q3 2025 in Review
677 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in MP Materials (MP) for Q3 2025, worth a combined $8.4B — up 87% from $4.49B a quarter earlier.
Buyers outnumbered sellers: 262 funds opened new MP positions and 65 closed out — a net gain of 197 holders — while 183 added to existing stakes and 186 trimmed.
The largest buyer was T. Rowe Price Associates, adding an estimated $179M. The largest seller was Caxton Associates (UK), cutting an estimated $248M.
- 677 institutional investors held MP Materials (MP) as of Q3 2025, up from 484 in Q2 2025.
- Funds reported $8.4B of MP Materials stock for Q3 2025, up 87% quarter-over-quarter.
- 262 funds opened new MP Materials positions in Q3 2025 and 65 closed out, a net change of +197 holders.
- The largest MP Materials buyer in Q3 2025 was T. Rowe Price Associates, an estimated $179M added.
- The largest MP Materials seller in Q3 2025 was Caxton Associates (UK), an estimated $248M sold.
Based on aggregated 13F filings for Q3 2025.