MP Materials
485 hedge funds and large institutions have $4.49B invested in MP Materials in 2025 Q2 according to their latest regulatory filings, with 138 funds opening new positions, 125 increasing their positions, 165 reducing their positions, and 56 closing their positions.
146% more first-time investments, than exits
New positions opened: 138 | Existing positions closed: 56
58% more call options, than puts
Call options by funds: $780M | Put options by funds: $494M
45% more capital invested
Capital invested by funds: $3.09B → $4.49B (+$1.4B)
40% more funds holding in top 10
Funds holding in top 10: 5 → 7 (+2)
19% more funds holding
Funds holding: 408 → 485 (+77)
4.79% more ownership
Funds ownership: 77.75% → 82.54% (+4.8%)
24% less repeat investments, than reductions
Existing positions increased: 125 | Existing positions reduced: 165
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CAU
Caxton Associates (UK)
London,
|
+$101M |
| 2 |
JP Morgan Chase
New York
|
+$69.6M |
| 3 |
Walleye Trading
New York
|
+$61.9M |
| 4 |
National Bank of Canada
Montreal,
Quebec, Canada
|
+$51.1M |
| 5 |
Two Sigma Investments
New York
|
+$41.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$127M |
| 2 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$34.3M |
| 3 |
Victory Capital Management
San Antonio,
Texas
|
-$34.1M |
| 4 |
QF
QVT Financial
New York
|
-$31.8M |
| 5 |
Marshall Wace
London,
United Kingdom
|
-$26.5M |
MP Hedge Fund Activity: Q2 2025 in Review
485 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in MP Materials (MP) for Q2 2025, worth a combined $4.49B — up 45% from $3.09B a quarter earlier.
Buyers outnumbered sellers: 138 funds opened new MP positions and 56 closed out — a net gain of 82 holders — while 125 added to existing stakes and 165 trimmed.
The largest buyer was Caxton Associates (UK), opening a new position worth an estimated $101M. The largest seller was T. Rowe Price Associates, cutting an estimated $127M.
- 485 institutional investors held MP Materials (MP) as of Q2 2025, up from 408 in Q1 2025.
- Funds reported $4.49B of MP Materials stock for Q2 2025, up 45% quarter-over-quarter.
- 138 funds opened new MP Materials positions in Q2 2025 and 56 closed out, a net change of +82 holders.
- The largest MP Materials buyer in Q2 2025 was Caxton Associates (UK), an estimated $101M added.
- The largest MP Materials seller in Q2 2025 was T. Rowe Price Associates, an estimated $127M sold.
Based on aggregated 13F filings for Q2 2025.