MPLX
MPLX
644 hedge funds and large institutions have $11.6B invested in MPLX in 2026 Q1 according to their latest regulatory filings, with 76 funds opening new positions, 215 increasing their positions, 173 reducing their positions, and 56 closing their positions.
373% more call options, than puts
Call options by funds: $231M | Put options by funds: $48.7M
36% more first-time investments, than exits
New positions opened: 76 | Existing positions closed: 56
24% more repeat investments, than reductions
Existing positions increased: 215 | Existing positions reduced: 173
22% more capital invested
Capital invested by funds: $9.52B → $11.6B (+$2.05B)
2.44% more ownership
Funds ownership: 17.53% → 19.97% (+2.4%)
2% more funds holding
Funds holding: 631 → 644 (+13)
0% more funds holding in top 10
Funds holding in top 10: 26 → 26 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AA
ALPS Advisors
Denver,
Colorado
|
+$1.51B |
| 2 |
Bank of Montreal
Toronto,
Ontario, Canada
|
+$228M |
| 3 |
WHG
Westwood Holdings Group
Dallas,
Texas
|
+$124M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$96M |
| 5 |
Victory Capital Management
San Antonio,
Texas
|
+$51.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
-$338M |
| 2 |
BWA
Brave Warrior Advisors
New York
|
-$69.2M |
| 3 |
IG
ING Group
Amsterdam,
Netherlands
|
-$64.4M |
| 4 |
Morgan Stanley
New York
|
-$45.3M |
| 5 |
BC
Brookfield Corp
Toronto,
Ontario, Canada
|
-$44.6M |
MPLX Hedge Fund Activity: Q1 2026 in Review
644 institutional investors reported a position in MPLX (MPLX) for Q1 2026, worth a combined $11.6B — up 22% from $9.52B a quarter earlier.
Buyers outnumbered sellers: 76 funds opened new MPLX positions and 56 closed out — a net gain of 20 holders — while 215 added to existing stakes and 173 trimmed.
The largest buyer was ALPS Advisors, adding an estimated $1.51B. The largest seller was Bank of America, cutting an estimated $338M.
- 644 institutional investors held MPLX (MPLX) as of Q1 2026, up from 631 in Q4 2025.
- Funds reported $11.6B of MPLX stock for Q1 2026, up 22% quarter-over-quarter.
- 76 funds opened new MPLX positions in Q1 2026 and 56 closed out, a net change of +20 holders.
- The largest MPLX buyer in Q1 2026 was ALPS Advisors, an estimated $1.51B added.
- The largest MPLX seller in Q1 2026 was Bank of America, an estimated $338M sold.
Based on aggregated 13F filings for Q1 2026.