642 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, 212 increasing their positions, 175 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
642
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
26
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$231M
Puts
$48.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
TAM
401
Titleist Asset Management
Texas
$380K
CFSG
402
Clark Financial Services Group
Missouri
$378K
LFAS
403
Level Four Advisory Services
Texas
$377K
RWA
404
Redhawk Wealth Advisors
Minnesota
$373K
KMWM
405
Keudell/Morrison Wealth Management
Oregon
$371K
NWMG
406
National Wealth Management Group
Ohio
$370K
SI
407
Severin Investments
Missouri
$368K
PSP
408
Principal Street Partners
Tennessee
$368K
AGC
409
Aspen Grove Capital
Colorado
$368K
VPWA
410
Vestia Personal Wealth Advisors
Indiana
$366K
HNB
411
Hilltop National Bank
Wyoming
$365K
LC
412
Lavaca Capital
Texas
$365K
Squarepoint
413
Squarepoint
New York
$360K
PA
414
Parallel Advisors
California
$359K
VI
415
Vestcor Inc
New Brunswick, Canada
$359K
BB
416
Bell Bank
North Dakota
$354K
GS
417
GWN Securities
Florida
$354K
GIA
418
Gladstone Institutional Advisory
Florida
$352K
EWM
419
Empirical Wealth Management
Washington
$352K
CCA
420
Corps Capital Advisors
Texas
$348K
BHPW
421
Beverly Hills Private Wealth
California
$348K
FAM
422
Formidable Asset Management
Ohio
$343K
GVAG
423
Great Valley Advisor Group
Delaware
$342K
WCM
424
Winebrenner Capital Management
Kentucky
$339K
AP
425
Atwood & Palmer
Missouri
$334K