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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
OAM
176
Oppenheimer Asset Management
New York
$1.78M -$29.4K -562 -2%
ASN
177
Advisory Services Network
Georgia
$1.75M +$571K +10,907 +50%
SI
178
Stephens Inc
Arkansas
$1.74M +$5.66K +108 +0.3%
HFS
179
Howard Financial Services
Texas
$1.74M +$29.5K +564 +2%
PFA
180
Pathway Financial Advisers
Indiana
$1.73M +$273K +5,207 +19%
CS
181
Cannell & Spears
New York
$1.72M
UB
182
UMB Bank
Missouri
$1.71M
Corient Private Wealth
183
Corient Private Wealth
Florida
$1.67M -$144K -2,745 -8%
BCM
184
Birch Capital Management
Texas
$1.66M +$28K +534 +2%
XT
185
XTX Topco
Cayman Islands
$1.66M -$672K -12,831 -29%
PP
186
Pingora Partners
Wyoming
$1.65M
BI
187
Bramshill Investments
Florida
$1.61M +$1.99K +38 +0.1%
QCG
188
Quadrant Capital Group
Ohio
$1.61M
AIC
189
Anthracite Investment Company
Texas
$1.61M
PFS
190
Prospera Financial Services
Texas
$1.6M +$39.9K +761 +3%
CAM
191
Cresset Asset Management
Illinois
$1.57M -$1.49M -28,431 -49%
CIA
192
Corigliano Investment Advisers
North Carolina
$1.5M +$1.47M +28,000 New
OF
193
Outfitter Financial
Maine
$1.5M
OC
194
Oppenheimer & Co
New York
$1.5M -$8.39M -160,097 -85%
OCPWS
195
One Charles Private Wealth Services
Massachusetts
$1.5M
FFG
196
Fortem Financial Group
California
$1.49M -$11.7K -224 -0.8%
M&T Bank
197
M&T Bank
New York
$1.47M -$838K -16,000 -37%
DADC
198
D.A. Davidson & Co
Montana
$1.45M -$36.9K -705 -3%
MFFIA
199
McIntyre, Freedman & Flynn Investment Advisers
Massachusetts
$1.45M
HWM
200
HB Wealth Management
Georgia
$1.43M +$72.1K +1,376 +5%

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.