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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 2023

Institutional positions in MPLX LP as of Jun 30, 2023. 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
370
−6 vs. Q1 2023
Shares held
224.6M
−5.22M (−2.3%) vs. Q1 2023
Total value
$7.62B
−$281.0M (−3.6%) vs. Q1 2023
New holders
33
114 more added
Sold out
39
100 more reduced

5 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 370 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 2023: $7.62B
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 2023

Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q1 2023.

Institutions holding MPLX in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Wolverine Trading, LLC24,607$835.9K0.01%+24,607New
Veracity Capital LLC25,638$870.2K0.37%00.0%Unchanged
Oppenheimer Asset Management Inc.25,984$881.9K0.01%−110.0%Reduced
Walnut Private Equity Partners, LLC26,500$899.4K0.74%00.0%Unchanged
RMB Capital Management, LLC26,846$911.2K0.03%+2,580+10.6%Added
Bessemer Group Inc26,881$913.0K0.00%−5,000−15.7%Reduced
Exencial Wealth Advisors, LLC26,952$914.8K0.04%−1,292−4.6%Reduced
Thrivent Financial for Lutherans26,988$916.0K0.00%−30.0%Reduced
Prospera Financial Services Inc27,429$931.0K0.04%+1,209+4.6%Added
Outfitter Financial LLC27,972$949.4K0.85%00.0%Unchanged
Smith, Moore & Co.28,235$958.3K0.12%+366+1.3%Added
Parkwood LLC29,101$988.0K0.18%+29,101New
Apollon Wealth Management, LLC29,200$991.0K0.05%+1,545+5.6%Added
Quadrant Capital Group LLC29,238$992.3K0.10%00.0%Unchanged
SEI Investments Co29,439$999.2K0.00%+14,832+101.5%Added
Mutual of America Capital Management LLC29,874$1.01M0.01%+1,757+6.2%Added
Walleye Capital LLC30,296$1.03M0.02%+30,296New
Bramshill Investments, LLC30,690$1.04M0.09%00.0%Unchanged
Obermeyer Wood Investment Counsel, LLLP31,222$1.06M0.08%−3,244−9.4%Reduced
Umb Bank N A31,912$1.08M0.02%00.0%Unchanged
Cannell Peter B & Co Inc32,200$1.09M0.04%00.0%Unchanged
Stephens Inc33,617$1.14M0.02%+65+0.2%Added
ProShare Advisors LLC34,879$1.18M0.00%+608+1.8%Added
Simplex Trading, LLC35,552$1.21M0.05%+35,552New
Janney Montgomery Scott LLC36,658$1.24M0.00%+6,458+21.4%Added
Fortem Financial Group, LLC36,791$1.25M0.74%−1,870−4.8%Reduced
Stratos Wealth Partners, LTD.37,844$1.28M0.03%+1,555+4.3%Added
Lindbrook Capital, LLC38,514$1.31M0.14%+525+1.4%Added
Mercer Global Advisors Inc38,813$1.32M0.01%+22,209+133.8%Added
First Republic Investment Management, Inc.38,930$1.32M0.01%−12,795−24.7%Reduced
Van Eck Associates Corp39,010$1.32M0.00%+5,645+16.9%Added
Reuter James Wealth Management, LLC39,048$1.33M1.60%00.0%Unchanged
Keybank National Association39,309$1.33M0.01%−878−2.2%Reduced
Creative Planning39,852$1.35M0.00%−8,574−17.7%Reduced
Geneva Partners, LLC40,000$1.36M0.89%00.0%Unchanged
Easterly Investment Partners LLC40,001$1.36M0.12%00.0%Unchanged
Penn Mutual Asset Management, LLC40,127$1.36M1.23%−52,000−56.4%Reduced
SG Americas Securities, LLC40,228$1.36M0.01%−3,415−7.8%Reduced
Cambridge Investment Research Advisors, Inc.42,027$1.43M0.01%+5,619+15.4%Added
Davenport & Co LLC42,585$1.45M0.01%+212+0.5%Added
GraniteShares Advisors LLC43,096$1.46M1.32%−458−1.1%Reduced
Envestnet Asset Management Inc46,167$1.57M0.00%+252+0.5%Added
Empire Financial Management Company, LLC46,225$1.57M0.62%+725+1.6%Added
Barnett & Company, Inc.46,720$1.59M1.18%00.0%Unchanged
CI Private Wealth, LLC47,511$1.61M0.00%+47,511New
Silvercrest Asset Management Group LLC49,177$1.67M0.01%−18,850−27.7%Reduced
Jackson Hole Capital Partners, LLC49,263$1.67M0.46%−649−1.3%Reduced
Private Advisor Group, LLC48,417$1.69M0.01%+27,609+132.7%Added
Morningstar Investment Management LLC49,876$1.69M0.22%−5,230−9.5%Reduced
US Bancorp49,918$1.69M0.00%−1,422−2.8%Reduced
Doliver Advisors, LP50,120$1.70M0.52%−170−0.3%Reduced
MAI Capital Management50,346$1.71M0.03%−308−0.6%Reduced
Oppenheimer & Co Inc54,266$1.84M0.04%−122,244−69.3%Reduced
Williams Jones Wealth Management, LLC.55,983$1.90M0.03%−5,460−8.9%Reduced
Samalin Investment Counsel, LLC56,103$1.90M1.03%+4,054+7.8%Added
Institutional & Family Asset Management, LLC56,210$1.91M0.31%+9,104+19.3%Added
Pacer Advisors, Inc.58,763$1.99M0.01%+22,487+62.0%Added
Botty Investors LLC59,504$2.02M0.78%00.0%Unchanged
Childress Capital Advisors, LLC60,582$2.06M0.87%00.0%Unchanged
Commonwealth Equity Services, LLC62,048$2.11M0.00%−1,665−2.6%Reduced
Northern Trust Corp64,228$2.18M0.00%−21,795−25.3%Reduced
Moneta Group Investment Advisors LLC66,529$2.26M0.05%−210.0%Reduced
Basso Capital Management, L.P.66,950$2.27M2.51%−2,200−3.2%Reduced
Cetera Advisor Networks LLC68,709$2.33M0.02%+12,250+21.7%Added
Crescent Grove Advisors, LLC71,355$2.42M0.26%+1,179+1.7%Added
KMG Fiduciary Partners, LLC76,290$2.59M0.34%+13,242+21.0%Added
BlackRock Inc.76,449$2.59M0.00%+5,474+7.7%Added
Advisors Asset Management, Inc.78,226$2.65M0.05%+1,700+2.2%Added
Dividend Assets Capital, LLC79,397$2.69M0.55%−7,656−8.8%Reduced
Pinnacle Holdings, LLC79,516$2.70M1.20%−1,596−2.0%Reduced
NBW Capital LLC81,740$2.77M0.65%−4,014−4.7%Reduced
Rockefeller Capital Management L.P.82,533$2.80M0.01%−52,812−39.0%Reduced
Walleye Trading LLC83,403$2.83M0.15%+14,103+20.4%Added
Glenmede Trust Co NA85,906$2.96M0.02%00.0%Unchanged
PPM America Inc89,400$3.03M39.86%00.0%Unchanged
AE Wealth Management LLC93,793$3.18M0.02%−7,945−7.8%Reduced
Blueprint Investment Partners LLC94,618$3.21M1.15%−12,086−11.3%Reduced
HAP Trading, LLC95,028$3.23M0.91%+95,028New
ELCO Management Co., LLC95,374$3.24M2.34%+480+0.5%Added
Wexford Capital LP99,945$3.39M0.68%00.0%Unchanged
Susquehanna Fundamental Investments, LLC102,189$3.47M0.13%00.0%Unchanged
First Trust Advisors LP103,188$3.50M0.00%−19,945−16.2%Reduced
The PNC Financial Services Group, Inc.110,532$3.75M0.00%+1,234+1.1%Added
Evercore Wealth Management, LLC112,053$3.80M0.07%00.0%Unchanged
National Asset Management, Inc.114,245$3.88M0.09%+108+0.1%Added
Catalyst Capital Advisors LLC118,275$4.01M0.12%−10,565−8.2%Reduced
Tectonic Advisors LLC120,533$4.09M0.50%+12,990+12.1%Added
Fort Washington Investment Advisors Inc127,187$4.32M0.03%+84,000+194.5%Added
Citadel Advisors LLC127,867$4.34M0.00%+54,507+74.3%Added
Hennessy Advisors Inc128,949$4.38M0.32%00.0%Unchanged
Castleark Management LLC129,642$4.40M0.20%−29,230−18.4%Reduced
Granby Capital Management, LLC130,000$4.41M3.98%00.0%Unchanged
Nuveen Asset Management, LLC147,218$5.00M0.00%+139,465+1,798.9%Added
Texas Yale Capital Corp.154,808$5.25M0.25%−1,974−1.3%Reduced
Advisor Group Holdings, Inc.158,438$5.38M0.01%+32,497+25.8%Added
Advisors Capital Management, LLC167,161$5.67M0.14%+3,019+1.8%Added
Kercheville Advisors, LLC168,952$5.73M3.47%−771−0.5%Reduced
Karpas Strategies, LLC170,105$5.77M1.95%+3,010+1.8%Added
Sawtooth Solutions, LLC180,057$6.11M0.17%−9,580−5.1%Reduced
Appaloosa LPSuperinvestorAppaloosa182,325$6.19M0.11%−10,000−5.2%Reduced