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Livermore
Livermore
ZHEN

MPLX LP

MPLX
Exchange
NYSE
Industry
Pipe Lines (No Natural Gas)
SEC CIK
0001552000

No open-market purchases or sales by MPLX LP insiders were filed in the last 90 days; 639 institutions reported holding it in 13F filings for Q2 2026, worth $11.1B in total; Appaloosa is the only superinvestor holding it.

Q1 2026 vs. Q4 2025

How the institutions holding MPLX LP changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of MPLX: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders6336646+19
Shares178.3M2.82M202.7M+27.3M (+15.5%)
Value$9.52B$150.7M$11.6B+$2.20B (+23.5%)

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (76)

Institutions that held MPLX LP at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to MPLX in Q1 2026
InstitutionSharesValue% of portfolio
CIBC Bancorp USA Inc.2,642,104$148.3M0.20%
Aster Capital Management (DIFC) Ltd74,490$3.99M1.31%
Militia Capital Management LLC67,000$3.82M0.86%
Keeler Thomas Management LLC40,364$2.30M0.97%
Haverford Trust Co37,303$2.13M0.02%
Hartree Partners, LP30,000$1.71M0.37%
IFG Advisory, LLC26,320$1.50M4.31%
Johnson Investment Counsel Inc26,278$1.50M0.01%
Hourglass Capital, LLC25,872$1.48M0.31%
CVFG LLC20,700$1.18M0.15%
Toroso Investments, LLC17,300$987.3K0.00%
Cornerstone Select Advisors, LLC13,259$756.7K0.47%
Signal Advisors Wealth, LLC11,444$653.1K0.04%
Diversify Wealth Management, LLC10,345$574.4K0.01%
Argent Advisors, Inc.8,807$502.6K0.14%
Strategic Financial Concepts, LLC8,670$494.8K0.12%
Convergence Financial, LLC8,432$481.2K0.05%
VestGen Advisors, LLC8,287$450.8K0.01%
Golden State Equity Partners7,839$447.4K0.03%
Compass Financial Group, INC7,649$436.5K0.06%
Clark Financial Services Group Inc6,618$377.7K0.21%
Squarepoint Ops LLC6,300$359.5K0.00%
Corps Capital Advisors, LLC6,104$348.4K0.30%
Great Valley Advisor Group, Inc.5,988$341.6K0.01%
Savvy Advisors, Inc.5,725$326.7K0.01%
Verdence Capital Advisors LLC5,719$326.4K0.02%
Procyon Private Wealth Partners, LLC5,553$316.9K0.02%
Annis Gardner Whiting Capital Advisors, LLC5,450$311.0K0.05%
Rollins Financial Advisors, LLC5,189$296.2K0.05%
Dauntless Investment Group, LLC5,170$295.1K0.83%
Aspetuck Financial Management LLC5,000$285.4K0.20%
Belpointe Asset Management LLC4,935$281.6K0.01%
Fortis Capital Advisors, LLC4,935$281.6K0.04%
CIBC World Markets Inc.4,905$279.9K0.00%
Elser Financial Planning, Inc4,687$259.9K0.01%
Flow Traders U.S. LLC4,525$258.0K0.01%
Phil A. Younker & Associates, Ltd.4,500$256.8K0.17%
Avidian Wealth Solutions, LLC4,393$250.7K0.01%
Wealth Alliance Advisory Group, LLC4,270$243.7K0.04%
SeaCrest Wealth Management, LLC4,250$242.5K0.03%
North Star Investment Management Corp.4,189$239.1K0.01%
Thoroughbred Financial Services, LLC4,173$238.0K0.01%
Cyndeo Wealth Partners, LLC4,015$229.1K0.01%
XML Financial, LLC4,000$228.3K0.02%
Kingswood Wealth Advisors, LLC3,837$219.0K0.01%
Hanover Advisors Inc3,832$218.7K0.09%
Founders Financial Alliance, LLC3,830$218.6K0.04%
Principal Securities, Inc.3,705$211.5K0.00%
ETF Portfolio Partners, Inc.3,692$210.7K0.06%
Plan Group Financial, LLC3,674$209.7K0.05%
Waterloo Capital, L.P.3,662$209.0K0.01%
Ascent Group, LLC3,650$208.3K0.01%
Requisite Capital Management, LLC3,642$207.8K0.04%
Naples Global Advisors, LLC3,600$205.5K0.01%
Nova R Wealth, Inc.3,590$204.9K0.07%
Vista Investment Partners LLC3,529$201.4K0.05%
Thrivent Financial for Lutherans3,519$201.0K0.00%
Tiaa Trust, National Association3,104$177.1K0.01%
Keating Financial Advisory Services, Inc.2,363$134.9K0.02%
Tiaa-Cref Individual & Institutional Services, LLC1,649$94.1K0.00%
Global Assets Advisory, LLC1,538$87.7K0.03%
MCF Advisors LLC1,316$75.1K0.00%
Mather Group, LLC.1,064$60.7K0.00%
Hickory Point Bank & Trust900$51.4K0.03%
Axiom Investment Management LLC800$45.7K0.03%
Clear Investment Research, LLC700$39.9K0.06%
PlanVest Financial, Inc524$29.9K0.02%
Elequin Capital LP417$23.8K0.00%
Twin Peaks Wealth Advisors, LLC332$18.9K0.00%
Pacific Center for Financial Services149$8.50K0.00%
Westside Investment Management, Inc.130$7.27K0.00%
Signature Resources Capital Management, LLC108$6.16K0.00%
Evolution Wealth Management Inc.100$5.71K0.00%
JPL Wealth Management, LLC100$5.71K0.00%
UBS Asset Management Americas Inc69$3.94K0.00%
Cedar Mountain Advisors, LLC11$6280.00%

Sold out (57)

Institutions that held MPLX LP at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of MPLX in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Jane Street Group, LLC156,208$8.34M
Norden Group LLC142,300$7.59M
Wexford Capital LP99,945$5.33M
Prevail Innovative Wealth Advisors, LLC75,091$4.01M
Pacer Advisors, Inc.65,353$3.49M
Mizuho Markets Cayman LP60,308$3.22M
Exit Wealth Advisors, LLC.41,346$2.21M
Milestone Asset Management, LLC37,432$2.00M
Northern Right Capital Management, L.P.35,038$1.87M
Veracity Capital LLC25,638$1.37M
Nomura Holdings Inc22,152$1.18M
CFO4Life Group, LLC18,500$987.3K
Three Seasons Wealth, LLC14,528$775.4K
First Heartland Consultants, Inc.11,543$616.0K
Granite Group Advisors, LLC10,621$566.9K
Axxcess Wealth Management, LLC10,232$546.1K
BridgePort Financial Solutions, LLC10,154$541.9K
True North Advisors, LLC8,420$449.4K
Universal- Beteiligungs- und Servicegesellschaft mbH8,300$445.2K
MSH Capital Advisors LLC8,080$431.2K
Roman Butler Fullerton & Co7,249$402.8K
Magnolia Capital Advisors LLC6,613$352.9K
Capital Advisory Group Advisory Services, LLC6,279$335.1K
Wellington Shields Capital Management, LLC6,000$320.2K
Prossimo Advisors, LLC5,994$319.9K
Tucker Asset Management LLC5,560$296.7K
StoneX Group Inc.5,531$295.2K
Soltis Investment Advisors LLC5,468$291.8K
Madden Securities Corp5,308$283.3K
Meridian Wealth Management, LLC5,109$272.7K
Shay Capital LLC5,000$266.9K
Austin Wealth Management, LLC4,756$249.9K
AE Wealth Management LLC4,605$245.8K
Stonehaven Wealth & Tax Solutions, LLC4,520$241.2K
Park Avenue Securities LLC4,450$237.0K
Simon Quick Advisors, LLC4,400$234.8K
Stableford Capital II LLC3,920$209.2K
Tocqueville Asset Management L.P.3,900$208.1K
Ramiah Investment Group3,867$206.4K
Willis Johnson & Associates, Inc.3,861$206.1K
Gryphon Financial Partners LLC3,828$204.3K
J Hagan Capital, Inc.3,823$204.0K
Bluefin Capital Management, LLC3,800$202.8K
Flagship Harbor Advisors, LLC2,050$109.4K
Garton & Associates Financial Advisors LLC1,632$87.1K
Brandywine Financial Group1,000$53.4K
SageView Advisory Group, LLC948$50.6K
Eq Wealth Advisors, LLC594$31.7K
Merited Wealth, LLC545$29.1K
Solstein Capital, LLC500$26.7K
Wellington Shields & Co., LLC400$21.3K
Concord Wealth Partners389$20.8K
Darwin Advisors, LLC240$12.8K
Cape Investment Advisory, Inc.200$10.7K
DV Trading LLC100$5.34K
Strategic Investment Solutions, Inc.100$5.34K
Wealth Preservation Advisors, LLC80$4.27K

Not filed for Q1 2026 yet (6)

Institutions that held MPLX LP at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MPLX in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
CIBC Private Wealth Group, LLC2,724,200$145.4M
Militia Capital Partners, LP67,000$3.58M
Global Retirement Partners, LLC18,516$988.2K
ORG Partners LLC7,826$419.4K
Alpha Cubed Investments, LLC5,675$302.9K
Trust Co of Vermont500$26.7K