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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, Q3 2021

Institutional positions in MPLX LP as of Sep 30, 2021. 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
311
+16 vs. Q2 2021
Shares held
263.8M
−13.1M (−4.7%) vs. Q2 2021
Total value
$7.51B
−$680.2M (−8.3%) vs. Q2 2021
New holders
36
97 more added
Sold out
20
100 more reduced

6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 311 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 heldQ3 2021: $7.51B
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, Q3 2021

Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q2 2021.

Institutions holding MPLX in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Matrix Private Capital Group LLC12,796$364.0K0.19%00.0%Unchanged
Peapack Gladstone Financial Corp13,078$372.0K0.01%−230−1.7%Reduced
Bluefin Capital Management, LLC13,075$372.0K0.04%+13,075New
International Assets Investment Management, LLC13,204$376.0K0.07%−12,370−48.4%Reduced
Goodwin Daniel L13,300$378.0K0.18%00.0%Unchanged
Ameritas Investment Partners, Inc.13,337$379.0K0.01%+13,337New
Stratos Wealth Partners, LTD.13,357$380.0K0.01%+1,155+9.5%Added
Steward Partners Investment Advisory, LLC13,970$398.0K0.01%+13+0.1%Added
McDonald Partners LLC14,077$401.0K0.09%+36+0.3%Added
PEAK6 Investments LLC14,135$402.0K0.01%+10,524+291.4%Added
Catalyst Capital Advisors LLC14,288$407.0K0.02%00.0%Unchanged
Clear Street Markets LLC14,300$407.0K0.09%+14,300New
Ameriprise Financial Inc14,912$425.0K0.00%−45,940−75.5%Reduced
Northwestern Mutual Wealth Management Co15,521$441.0K0.00%+14,695+1,779.1%Added
Sheaff Brock Investment Advisors, LLC16,451$468.0K0.05%+1,037+6.7%Added
Moors & Cabot, Inc.16,420$469.0K0.03%−2,365−12.6%Reduced
First Heartland Consultants, Inc.16,652$474.0K0.07%+521+3.2%Added
Ieq Capital, LLC16,635$474.0K0.01%+740+4.7%Added
Formidable Asset Management, LLC16,696$475.0K0.09%+16,696New
National Asset Management, Inc.16,696$476.0K0.02%+1,316+8.6%Added
Crescent Capital Consulting, LLC16,751$477.0K0.09%00.0%Unchanged
Blair William & Co17,000$484.0K0.00%−1,549−8.4%Reduced
Mercer Global Advisors Inc16,989$484.0K0.00%+450+2.7%Added
Financial Counselors Inc17,056$486.0K0.01%00.0%Unchanged
HAP Trading, LLC17,250$491.0K0.04%−38,720−69.2%Reduced
B. Riley Wealth Management, Inc.17,776$506.0K0.04%−2,845−13.8%Reduced
Pointe Capital Management LLC18,342$522.0K0.36%+156+0.9%Added
Manufacturers Life Insurance Company, The18,930$539.0K0.00%−1,328−6.6%Reduced
Simplex Trading, LLC18,601$555.0K0.02%00.0%Unchanged
Modus Advisors, LLC19,606$558.0K0.24%00.0%Unchanged
M&T Bank Corp19,644$559.0K0.00%00.0%Unchanged
Fieldpoint Private Securities, LLC19,719$561.0K0.12%00.0%Unchanged
Griffin Asset Management, Inc.19,973$569.0K0.07%+11+0.1%Added
SG Americas Securities, LLC20,097$572.0K0.00%−6,383−24.1%Reduced
Pacer Advisors, Inc.20,823$593.0K0.01%+1,719+9.0%Added
Woodward Diversified Capital, LLC20,971$597.0K0.37%+23+0.1%Added
Linscomb & Williams, Inc.21,183$603.0K0.03%+100+0.5%Added
CFM Wealth Partners LLC21,391$609.0K0.15%+21,391New
American Financial Group Inc21,500$612.0K0.16%00.0%Unchanged
Franklin Resources Inc21,949$625.0K0.00%00.0%Unchanged
Susquehanna International Group, LLP22,170$631.0K0.00%+22,170New
Cambridge Investment Research Advisors, Inc.22,591$643.0K0.00%+2,617+13.1%Added
Oliver Luxxe Assets LLC22,728$647.0K0.18%−18,000−44.2%Reduced
Advisory Services Network, LLC22,720$647.0K0.02%−737−3.1%Reduced
Janney Montgomery Scott LLC23,011$655.0K0.00%+1,445+6.7%Added
Captrust Financial Advisors24,040$684.0K0.01%+823+3.5%Added
Geode Capital Management, LLC24,089$685.0K0.00%+1,738+7.8%Added
HYA Advisors, Inc22,804$691.0K0.28%00.0%Unchanged
Cetera Advisor Networks LLC24,662$702.0K0.01%−14,150−36.5%Reduced
RMB Capital Management, LLC24,676$703.0K0.02%00.0%Unchanged
Homrich & Berg25,784$734.0K0.02%+3,181+14.1%Added
FourThought Financial, LLC25,900$737.0K0.10%−1,036−3.8%Reduced
Mutual of America Capital Management LLC26,702$760.0K0.01%−91−0.3%Reduced
Thrivent Financial for Lutherans26,991$768.0K0.00%−1,565−5.5%Reduced
Envestnet Asset Management Inc27,166$773.0K0.00%−1,873−6.4%Reduced
Exencial Wealth Advisors, LLC27,725$789.0K0.03%+27,725New
Outfitter Financial LLC27,972$796.0K0.63%00.0%Unchanged
Samalin Investment Counsel, LLC28,961$825.0K0.54%+3,648+14.4%Added
Tectonic Advisors LLC29,498$840.0K0.16%+9,726+49.2%Added
Clal Insurance Enterprises Holdings Ltd30,000$854.0K0.01%00.0%Unchanged
Institutional & Family Asset Management, LLC30,017$855.0K0.14%−70.0%Reduced
Bessemer Group Inc30,426$867.0K0.00%00.0%Unchanged
Guggenheim Capital LLC30,497$868.0K0.01%−7,071−18.8%Reduced
Van Eck Associates Corp30,899$880.0K0.00%−363−1.2%Reduced
Creative Planning31,011$883.0K0.00%+1,197+4.0%Added
Smith, Moore & Co.32,010$911.0K0.14%00.0%Unchanged
Umb Bank N A35,324$1.01M0.02%+1,499+4.4%Added
Bellwether Advisors, LLC35,703$1.02M0.34%+35,703New
Oppenheimer Asset Management Inc.35,692$1.02M0.01%−1,187−3.2%Reduced
Crescent Grove Advisors, LLC37,000$1.05M0.11%+5,456+17.3%Added
Segall Bryant & Hamill, LLC37,163$1.06M0.01%00.0%Unchanged
Annandale Capital, LLC38,266$1.09M0.66%00.0%Unchanged
Keybank National Association39,221$1.12M0.00%+855+2.2%Added
Geneva Partners, LLC40,000$1.14M0.56%+40,000New
Jackson Hole Capital Partners, LLC40,647$1.16M0.38%+6,980+20.7%Added
Groesbeck Investment Management Corp40,822$1.16M1.34%+15,177+59.2%Added
CIBC Asset Management Inc41,667$1.19M0.00%+2,822+7.3%Added
Doliver Advisors, LP41,705$1.19M0.40%+11,000+35.8%Added
Obermeyer Wood Investment Counsel, LLLP42,847$1.22M0.07%−2,618−5.8%Reduced
Avalon Investment & Advisory42,950$1.22M0.03%00.0%Unchanged
HighTower Trust Services, LTA43,898$1.25M0.15%00.0%Unchanged
US Bancorp44,918$1.28M0.00%00.0%Unchanged
Davenport & Co LLC46,016$1.31M0.01%00.0%Unchanged
Childress Capital Advisors, LLC47,467$1.35M0.55%00.0%Unchanged
Commonwealth Equity Services, LLC48,194$1.37M0.00%−324−0.7%Reduced
Merewether Investment Management, LP50,000$1.42M0.20%+50,000New
Easterly Investment Partners LLC50,000$1.42M0.10%+50,000New
Stephens Inc50,111$1.43M0.02%−3,396−6.3%Reduced
MAI Capital Management50,788$1.45M0.03%−6,742−11.7%Reduced
Macquarie Group Ltd51,123$1.46M0.00%−4,051−7.3%Reduced
Virtus ETF Advisers LLC53,299$1.52M0.67%−5,557−9.4%Reduced
AE Wealth Management LLC54,657$1.56M0.01%+402+0.7%Added
Cbre Clarion Securities LLC57,670$1.64M0.03%−3,900−6.3%Reduced
Barnett & Company, Inc.58,900$1.68M1.26%+450+0.8%Added
Williams Jones Wealth Management, LLC.59,197$1.69M0.02%−3,400−5.4%Reduced
Botty Investors LLC59,504$1.69M0.51%−43,250−42.1%Reduced
Stableford Capital II LLC59,663$1.84M0.94%−1,191−2.0%Reduced
Moneta Group Investment Advisors LLC65,227$1.86M0.09%+46+0.1%Added
Aviance Capital Partners, LLC66,446$1.89M0.33%+1,548+2.4%Added
Camden Capital, LLC67,924$1.93M0.39%+50,606+292.2%Added