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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 2025

Institutional positions in MPLX LP as of Jun 30, 2025. 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
575
+14 vs. Q1 2025
Shares held
217.1M
+306.4K (+0.1%) vs. Q1 2025
Total value
$11.2B
−$414.1M (−3.6%) vs. Q1 2025
New holders
63
215 more added
Sold out
49
131 more reduced

9 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 575 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 2025: $11.2B
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 2025

Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q1 2025.

Institutions holding MPLX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Spears Abacus Advisors LLC29,500$1.52M0.03%−2,700−8.4%Reduced
Fortem Financial Group, LLC29,018$1.49M0.48%+1,141+4.1%Added
D.A. Davidson & Co.28,900$1.49M0.01%+1,743+6.4%Added
Outfitter Financial LLC27,972$1.44M1.23%00.0%Unchanged
Oppenheimer & Co Inc27,621$1.42M0.02%−339−1.2%Reduced
One Charles Private Wealth Services, LLC27,385$1.41M0.40%−550−2.0%Reduced
McIntyre Freedman & Flynn Investment Advisers Inc27,000$1.39M0.98%00.0%Unchanged
Argyle Capital Partners, LLC26,712$1.38M1.13%+250+0.9%Added
Veracity Capital LLC25,638$1.32M0.46%00.0%Unchanged
Pathstone Holdings, LLC25,411$1.31M0.01%−222−0.9%Reduced
Bessemer Group Inc25,081$1.29M0.00%+200+0.8%Added
American Financial Group Inc25,000$1.29M0.48%00.0%Unchanged
Chelsea Counsel Co25,000$1.29M0.64%00.0%Unchanged
National Philanthropic Trust25,000$1.29M0.02%00.0%Unchanged
Allworth Financial LP24,847$1.28M0.01%+22,261+860.8%Added
Delta Investment Management, LLC24,765$1.28M0.25%+4,478+22.1%Added
Clear Street Markets LLC22,635$1.17M0.42%+510+2.3%Added
Smith, Moore & Co.22,585$1.16M0.10%−1,650−6.8%Reduced
HB Wealth Management, LLC22,444$1.16M0.01%−4,367−16.3%Reduced
Exencial Wealth Advisors, LLC22,372$1.15M0.04%+20.0%Added
Inscription Capital, LLC22,350$1.15M0.17%−5,275−19.1%Reduced
SEI Investments Co22,293$1.15M0.00%−489−2.1%Reduced
Trilogy Capital Inc.22,210$1.14M0.06%+92+0.4%Added
CWA Asset Management Group, LLC21,817$1.12M0.05%+359+1.7%Added
Applied Capital LLC21,150$1.09M0.81%+3,580+20.4%Added
Vestcor Inc21,101$1.09M0.03%+21,101New
Williamson Legacy Group, LLC20,512$1.06M0.89%+4,495+28.1%Added
C2C Wealth Management, LLC20,421$1.05M0.95%+300+1.5%Added
TCG Advisory Services, LLC20,270$1.04M0.04%−3,661−15.3%Reduced
Snowden Capital Advisors LLC20,105$1.04M0.03%+2,393+13.5%Added
Sanctuary Advisors, LLC19,723$1.02M0.01%+2,865+17.0%Added
Modus Advisors, LLC19,606$1.01M0.30%00.0%Unchanged
Brown Brothers Harriman & Co19,586$1.01M0.01%−3,176−14.0%Reduced
Creekmur Asset Management LLC19,545$1.01M0.18%+5,943+43.7%Added
Moors & Cabot, Inc.19,170$987.4K0.05%−500−2.5%Reduced
Guggenheim Capital LLC19,139$985.9K0.01%+972+5.4%Added
Custom Index Systems, LLC19,116$984.7K0.47%−2,439−11.3%Reduced
Merit Financial Group, LLC18,822$969.5K0.01%+18,822New
Belpointe Asset Management LLC18,731$964.8K0.04%+38+0.2%Added
CFO4Life Group, LLC18,704$963.4K0.15%−496−2.6%Reduced
Strategic Financial Concepts, LLC18,698$963.1K0.14%+52+0.3%Added
Virtu Financial LLC18,680$962.0K0.05%−2,864−13.3%Reduced
Pasadena Private Wealth, LLC18,373$946.4K0.16%+93+0.5%Added
Bank of New York Mellon Corp18,018$928.1K0.00%+485+2.8%Added
Northwestern Mutual Wealth Management Co17,937$923.9K0.00%+4,045+29.1%Added
Level Four Advisory Services, LLC17,813$917.5K0.03%+11,204+169.5%Added
Westover Capital Advisors, LLC17,800$916.9K0.18%00.0%Unchanged
Searle & Co.17,400$896.3K0.25%00.0%Unchanged
SL Advisors, LLC17,375$895.0K1.61%00.0%Unchanged
Novem Group17,156$883.7K0.11%+156+0.9%Added
Integrated Wealth Concepts LLC16,731$861.8K0.01%−11−0.1%Reduced
Inspire Advisors, LLC16,697$860.1K0.09%+9,938+147.0%Added
Geode Capital Management, LLC16,557$852.9K0.00%+1,021+6.6%Added
Rehmann Capital Advisory Group16,265$837.9K0.05%00.0%Unchanged
McDonald Partners LLC16,248$837.0K0.20%+58+0.4%Added
Allspring Global Investments Holdings, LLC16,198$832.2K0.00%+2,998+22.7%Added
Linscomb & Williams, Inc.15,948$821.5K0.04%00.0%Unchanged
Prime Capital Investment Advisors, LLC15,693$808.3K0.01%−800−4.9%Reduced
Segment Wealth Management, LLC15,447$795.7K0.05%00.0%Unchanged
Hardy Reed LLC15,270$786.6K0.06%00.0%Unchanged
Regions Financial Corp15,250$785.5K0.01%+6,250+69.4%Added
We Are One Seven, LLC15,231$784.5K0.03%−834−5.2%Reduced
Cherry Creek Investment Advisors, Inc.15,013$773.3K0.36%+270+1.8%Added
Bryn Mawr Trust Co14,669$755.6K0.01%00.0%Unchanged
Morningstar Investment Management LLC14,610$753.0K0.07%00.0%Unchanged
Cary Street Partners Financial LLC14,596$751.8K0.02%00.0%Unchanged
Greenline Partners, LLC14,527$748.3K0.10%+4,413+43.6%Added
J.W. Cole Advisors, Inc.14,354$739.4K0.02%+396+2.8%Added
Highlander Partners, L.P.14,291$736.1K0.28%00.0%Unchanged
Penn Mutual Asset Management, LLC13,970$719.6K1.27%00.0%Unchanged
Fulcrum Asset Management LLP13,928$717.4K0.20%+13,928New
Centaurus Financial, Inc.13,855$714.0K0.04%+134+1.0%Added
Csenge Advisory Group13,876$707.7K0.04%+8+0.1%Added
Wealthstar Advisors, LLC13,620$701.6K0.26%+619+4.8%Added
Concurrent Investment Advisors, LLC13,581$699.6K0.01%+183+1.4%Added
Addis & Hill, Inc13,567$698.8K0.46%+59+0.4%Added
Bradley Foster & Sargent Inc13,425$691.5K0.01%+13,425New
Augustine Asset Management Inc13,080$673.8K0.18%00.0%Unchanged
Pensionmark Financial Group, LLC13,025$670.9K0.02%−200−1.5%Reduced
Aviance Capital Partners, LLC12,974$668.3K0.09%00.0%Unchanged
Franklin Resources Inc12,920$665.5K0.00%+800+6.6%Added
ARS Investment Partners, LLC12,900$664.5K0.05%+12,900New
Principal Street Partners, LLC12,780$658.3K0.06%+6,262+96.1%Added
Savant Capital, LLC12,753$656.9K0.00%00.0%Unchanged
First Heartland Consultants, Inc.12,710$654.7K0.06%+2,659+26.5%Added
Citizens Financial Group Inc12,494$643.6K0.01%+12,494New
Wesbanco Bank Inc12,230$630.0K0.02%+3,411+38.7%Added
Griffin Asset Management, Inc.12,192$628.0K0.07%−560−4.4%Reduced
49 Wealth Management, LLC12,104$623.5K0.07%+3,119+34.7%Added
Mutual Advisors, LLC12,172$620.2K0.02%+1,303+12.0%Added
Stratos Wealth Advisors, LLC11,914$613.7K0.03%−243−2.0%Reduced
Granite Group Advisors, LLC11,905$613.2K0.37%00.0%Unchanged
Larson Financial Group LLC11,832$609.5K0.02%+1,260+11.9%Added
Burford Brothers, Inc.11,828$609.3K0.28%+11,828New
Congress Wealth Management LLC11,670$601.2K0.01%+28+0.2%Added
David R. Rahn & Associates Inc.11,635$599.3K0.16%00.0%Unchanged
Monetary Management Group Inc11,600$597.5K0.15%00.0%Unchanged
Formidable Asset Management, LLC11,153$596.9K0.10%00.0%Unchanged
Merrion Investment Management Co, LLC11,525$593.6K0.39%00.0%Unchanged
Princeton Global Asset Management LLC11,489$591.8K0.11%−409−3.4%Reduced