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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.

13F holders, Q2 2026

Institutional positions in MPLX LP as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
639
+2 vs. Q1 2026
Shares held
196.3M
−5.77M (−2.9%) vs. Q1 2026
Total value
$11.1B
−$473.1M (−4.1%) vs. Q1 2026
New holders
59
244 more added
Sold out
57
149 more reduced

9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MPLX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 639 institutions
Q1 2021: 306 institutionsQ2 2021: 301 institutionsQ3 2021: 311 institutionsQ4 2021: 341 institutionsQ1 2022: 350 institutionsQ2 2022: 340 institutionsQ3 2022: 342 institutionsQ4 2022: 359 institutionsQ1 2023: 381 institutionsQ2 2023: 370 institutionsQ3 2023: 398 institutionsQ4 2023: 444 institutionsQ1 2024: 480 institutionsQ2 2024: 491 institutionsQ3 2024: 502 institutionsQ4 2024: 535 institutionsQ1 2025: 570 institutionsQ2 2025: 575 institutionsQ3 2025: 576 institutionsQ4 2025: 633 institutionsQ1 2026: 646 institutionsQ2 2026: 639 institutions
Value heldQ2 2026: $11.1B
Q1 2021: $7.34BQ2 2021: $8.20BQ3 2021: $7.51BQ4 2021: $7.48BQ1 2022: $8.20BQ2 2022: $6.97BQ3 2022: $6.98BQ4 2022: $7.36BQ1 2023: $7.91BQ2 2023: $7.62BQ3 2023: $8.18BQ4 2023: $8.15BQ1 2024: $9.32BQ2 2024: $10.2BQ3 2024: $10.3BQ4 2024: $10.4BQ1 2025: $11.6BQ2 2025: $11.2BQ3 2025: $10.5BQ4 2025: $9.52BQ1 2026: $11.6BQ2 2026: $11.1B
Institutions holding MPLX and their total value by quarter
QuarterHoldersValue
Q2 2026639$11.1B
Q1 2026646$11.6B
Q4 2025633$9.52B
Q3 2025576$10.5B
Q2 2025575$11.2B
Q1 2025570$11.6B
Q4 2024535$10.4B
Q3 2024502$10.3B
Q2 2024491$10.2B
Q1 2024480$9.32B
Q4 2023444$8.15B
Q3 2023398$8.18B
Q2 2023370$7.62B
Q1 2023381$7.91B
Q4 2022359$7.36B
Q3 2022342$6.98B
Q2 2022340$6.97B
Q1 2022350$8.20B
Q4 2021341$7.48B
Q3 2021311$7.51B
Q2 2021301$8.20B
Q1 2021306$7.34B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q1 2026.

Institutions holding MPLX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
C M Bidwell & Associates Ltd326$18.4K0.01%00.0%Unchanged
Planning Strategies Inc.306$17.2K0.01%+306New
Key Financial Inc300$16.9K0.00%00.0%Unchanged
Anchor Bay Capital, Inc.275$16.5K0.01%+275New
Cullen/Frost Bankers, Inc.215$12.1K0.00%+215New
Financial Network Wealth Advisors LLC211$11.9K0.01%+1+0.5%Added
Chilton Capital Management LLC200$11.3K0.00%00.0%Unchanged
Country Trust Bank200$11.3K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC200$11.3K0.00%00.0%Unchanged
Bravera Wealth200$11.3K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.200$11.3K0.00%+200New
USA Financial Formulas195$11.0K0.00%+195New
Westside Investment Management, Inc.150$8.45K0.00%+20+15.4%Added
Pacific Center for Financial Services149$8.39K0.00%00.0%Unchanged
Vision Financial Markets LLC135$7.55K0.01%+2+1.5%Added
Strengthening Families & Communities, LLC126$7.10K0.00%00.0%Unchanged
GFS Advisors, LLC19,325$6.97K0.00%+19,325New
Costello Asset Management, INC104$5.86K0.00%00.0%Unchanged
Measured Wealth Private Client Group, LLC100$5.63K0.00%00.0%Unchanged
Bullseye Investment Management, LLC100$5.63K0.00%00.0%Unchanged
Evolution Wealth Management Inc.100$5.63K0.00%00.0%Unchanged
JPL Wealth Management, LLC100$5.63K0.00%00.0%Unchanged
Kozak & Associates, Inc.97$5.45K0.00%+1+1.0%Added
Center for Financial Planning, Inc.85$4.79K0.00%00.0%Unchanged
UBS Asset Management Americas Inc69$3.89K0.00%00.0%Unchanged
Rialto Wealth Management, LLC55$3.10K0.00%00.0%Unchanged
Penserra Capital Management LLC63$3.00K0.00%00.0%Unchanged
Investment Counsel Co of Nevada50$2.82K0.01%+50New
JFS Wealth Advisors, LLC26$1.47K0.00%+26New
TD Private Client Wealth LLC23$1.30K0.00%00.0%Unchanged
Investors Research Corp20$1.13K0.00%00.0%Unchanged
LifeSteps Financial, Inc.20$1.13K0.00%+20New
Abound Wealth Management16$9210.00%00.0%Unchanged
Gunpowder Capital Management, LLC dba Oliver Wealth Management14$7890.00%00.0%Unchanged
JNBA Financial Advisors14$7890.00%+14New
Cedar Mountain Advisors, LLC11$6200.00%00.0%Unchanged
Hurley Capital, LLC11$6200.00%+11New
DHJJ Financial Advisors, Ltd.10$5640.00%00.0%Unchanged
Mountain Hill Investment Partners Corp.2$1230.00%00.0%Unchanged
Goldentree Asset Management LP0$00.00%−344,686−100.0%Sold out
Parkwood LLC0$00.00%−161,615−100.0%Sold out
Basso Capital Management, L.P.0$00.00%−71,200−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−74,490−100.0%Sold out
Botty Investors LLC0$00.00%−62,977−100.0%Sold out
Empire Financial Management Company, LLC0$00.00%−60,321−100.0%Sold out
Keeler Thomas Management LLC0$00.00%−40,364−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−31,150−100.0%Sold out
Hartree Partners, LP0$00.00%−30,000−100.0%Sold out
Acadian Asset Management LLC0$00.00%−27,531−100.0%Sold out
Inspire Advisors, LLC0$00.00%−21,235−100.0%Sold out
49 Wealth Management, LLC0$00.00%−18,037−100.0%Sold out
SG Americas Securities, LLC0$00.00%−14,282−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−12,019−100.0%Sold out
Ameritas Investment Partners, Inc.0$00.00%−8,983−100.0%Sold out
Matrix Private Capital Group LLC0$00.00%−8,000−100.0%Sold out
Golden State Equity Partners0$00.00%−7,839−100.0%Sold out
Sanders Morris Harris LLC0$00.00%−7,484−100.0%Sold out
ORBA Wealth Advisors, L.L.C.0$00.00%−6,756−100.0%Sold out
National Wealth Management Group, LLC0$00.00%−6,476−100.0%Sold out
GWN Securities Inc.0$00.00%−6,198−100.0%Sold out
Beverly Hills Private Wealth, LLC0$00.00%−6,101−100.0%Sold out
Secure Asset Management, LLC0$00.00%−5,729−100.0%Sold out
Allie Family Office LLC0$00.00%−5,719−100.0%Sold out
Endeavor Private Wealth, Inc.0$00.00%−5,587−100.0%Sold out
Procyon Private Wealth Partners, LLC0$00.00%−5,553−100.0%Sold out
Visionary Wealth Advisors0$00.00%−5,290−100.0%Sold out
Dauntless Investment Group, LLC0$00.00%−5,170−100.0%Sold out
De Lisle Partners LLP0$00.00%−5,000−100.0%Sold out
Mission Wealth Management, LP0$00.00%−5,000−100.0%Sold out
Belpointe Asset Management LLC0$00.00%−4,935−100.0%Sold out
Fortis Capital Advisors, LLC0$00.00%−4,935−100.0%Sold out
CIBC World Markets Inc.0$00.00%−4,905−100.0%Sold out
Flow Traders U.S. LLC0$00.00%−4,525−100.0%Sold out
Evolve Private Wealth, LLC0$00.00%−4,284−100.0%Sold out
SeaCrest Wealth Management, LLC0$00.00%−4,250−100.0%Sold out
Welch & Forbes LLC0$00.00%−4,029−100.0%Sold out
Cyndeo Wealth Partners, LLC0$00.00%−4,015−100.0%Sold out
MinichMacGregor Wealth Management, LLC0$00.00%−3,758−100.0%Sold out
Plan Group Financial, LLC0$00.00%−3,674−100.0%Sold out
Nova R Wealth, Inc.0$00.00%−3,590−100.0%Sold out
Vista Investment Partners LLC0$00.00%−3,529−100.0%Sold out
Thrivent Financial for Lutherans0$00.00%−3,519−100.0%Sold out
Sound Income Strategies, LLC0$00.00%−3,432−100.0%Sold out
Crewe Advisors LLC0$00.00%−2,211−100.0%Sold out
Global Assets Advisory, LLC0$00.00%−1,538−100.0%Sold out
Trust Co0$00.00%−1,235−100.0%Sold out
Fortitude Family Office, LLC0$00.00%−1,009−100.0%Sold out
WFA of San Diego, LLC0$00.00%−1,000−100.0%Sold out
Root Financial Partners, LLC0$00.00%−778−100.0%Sold out
Clear Investment Research, LLC0$00.00%−700−100.0%Sold out
Wolff Wiese Magana LLC0$00.00%−659−100.0%Sold out
Twin Peaks Wealth Advisors, LLC0$00.00%−332−100.0%Sold out
Curio Wealth, LLC0$00.00%−263−100.0%Sold out
Signature Equity Partners, LLC0$00.00%−215−100.0%Sold out
Signature Resources Capital Management, LLC0$00.00%−108−100.0%Sold out
Grove Bank & Trust0$00.00%−100−100.0%Sold out
U.S. Capital Wealth Advisors, LLC––––Not filed
Jackson Hole Capital Partners, LLC––––Not filed
Exencial Wealth Advisors, LLC––––Not filed
CWM, LLC––––Not filed