573 hedge funds and large institutions have $10.5B invested in MPLX in 2025 Q3 according to their latest regulatory filings, with 54 funds opening new positions, 220 increasing their positions, 123 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

0.66% less ownership

Funds ownership: 21.26%20.61% (-0.66%)

6% less capital invested

Capital invested by funds: $11.2B → $10.5B (-$672M)

7% less funds holding in top 10

Funds holding in top 10: 3028 (-2)

Holders
573
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
28
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$143M
Puts
$96.3M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CIA
326
Capital Investment Advisors
Georgia
$455K
SBCM
327
Silverberg Bernstein Capital Management
New York
$453K
HW
328
Hancock Whitney
Mississippi
$451K
FCP
329
Fidelis Capital Partners
Florida
$451K
MA
330
MAS Advisors
Florida
$450K
RFC
331
Regions Financial Corp
Alabama
$450K
PFP
332
Pinnacle Financial Partners
Tennessee
$450K
AIP
333
Ameritas Investment Partners
Nebraska
$449K
HIC
334
Holderness Investments Company
North Carolina
$447K
SWM
335
Spire Wealth Management
Virginia
$446K
IA
336
IFG Advisory
Georgia
$441K
PWM
337
Perigon Wealth Management
California
$441K
PGFC
338
Peapack-Gladstone Financial Corp
New Jersey
$439K
FMII
339
Farmers & Merchants Investments Inc
Nebraska
$434K
CWIG
340
Chung Wu Investment Group
Texas
$425K
SOS
341
Silver Oak Securities
Tennessee
$420K
RSWM
342
Robertson Stephens Wealth Management
California
$419K
TNA
343
True North Advisors
Texas
$419K
Universal-Beteiligungs- und Servicegesellschaft
344
Universal-Beteiligungs- und Servicegesellschaft
Germany
$415K
SP
345
Stablepoint Partners
Massachusetts
$410K
NDSI
346
Newman Dignan & Sheerar Inc
Rhode Island
$405K
OP
347
ORG Partners
Indiana
$401K
S
348
SignatureFD
Georgia
$400K
MPCG
349
Matrix Private Capital Group
New York
$400K
QFPS
350
Quantum Financial Planning Services
Washington
$400K