We are live on ! Find out more

567 hedge funds and large institutions have $11.6B invested in MPLX in 2025 Q1 according to their latest regulatory filings, with 75 funds opening new positions, 200 increasing their positions, 132 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

265% more call options, than puts

Call options by funds: $280M | Put options by funds: $76.8M

127% more first-time investments, than exits

New positions opened: 75 | Existing positions closed: 33

52% more repeat investments, than reductions

Existing positions increased: 200 | Existing positions reduced: 132

11% more capital invested

Capital invested by funds: $10.4B → $11.6B (+$1.2B)

7% more funds holding in top 10

Funds holding in top 10: 2931 (+2)

6% more funds holding

Funds holding: 534567 (+33)

0.09% less ownership

Funds ownership: 21.41%21.32% (-0.09%)

Holders
567
Holders Change
+33
Holders Change %
+6.18%
% of All Funds
7.6%
Holding in Top 10
31
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+6.9%
% of All Funds
0.42%
New
75
Increased
200
Reduced
132
Closed
33
Calls
$280M
Puts
$76.8M
Net Calls
+$203M
Net Calls Change
+$32.7M
Name Holding Trade Value Shares
Change
Change in
Stake
MW
601
Maia Wealth
Colorado
-$2.15K -45 Closed

MPLX Hedge Fund Activity: Q1 2025 in Review

567 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in MPLX (MPLX) for Q1 2025, worth a combined $11.6B — up 11% from $10.4B a quarter earlier.

Buyers outnumbered sellers: 75 funds opened new MPLX positions and 33 closed out — a net gain of 42 holders — while 200 added to existing stakes and 132 trimmed.

The largest buyer was Kayne Anderson Capital Advisors, adding an estimated $113M. The largest seller was Blackstone Inc, cutting an estimated $91.4M.

  • 567 institutional investors held MPLX (MPLX) as of Q1 2025, up from 534 in Q4 2024.
  • Funds reported $11.6B of MPLX stock for Q1 2025, up 11% quarter-over-quarter.
  • 75 funds opened new MPLX positions in Q1 2025 and 33 closed out, a net change of +42 holders.
  • The largest MPLX buyer in Q1 2025 was Kayne Anderson Capital Advisors, an estimated $113M added.
  • The largest MPLX seller in Q1 2025 was Blackstone Inc, an estimated $91.4M sold.

Based on aggregated 13F filings for Q1 2025.