MPLX LP
Business
MPLX LP is a diversified master limited partnership that owns and operates midstream energy infrastructure and logistics assets throughout the United States. The company provides gathering, transportation, storage, and distribution services for crude oil, refined products, natural gas, and NGLs through two reportable segments: Crude Oil and Products Logistics, and Natural Gas and NGL Services. MPLX maintains a strategic relationship with sponsor Marathon Petroleum Corporation, which accounted for 48 percent of total revenues in 2025 and owns approximately 64 percent of outstanding common units.
Summary from 10-K filed 2026-02-26
Financials
Consolidated Statement of Income
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Sales-type lease revenue | 151 | 136 | 136 | 62 | 0 | |
| Sales-type lease revenue, related parties | 448 | 475 | 500 | 465 | 435 | |
| Income from equity method investments | 697 | 802 | 600 | 476 | 321 | |
| Total revenues and other income | 12,998 | 11,933 | 11,281 | 11,613 | 10,027 | |
| Purchases - related parties | 1,649 | 1,583 | 1,544 | 1,413 | 1,219 | |
| Depreciation and amortization | 1,351 | 1,283 | 1,213 | 1,230 | 1,287 | |
| General and administrative expenses | 446 | 427 | 379 | 335 | 353 | |
| Other taxes | 137 | 131 | 131 | 115 | 120 | |
| Total costs and expenses | 7,055 | 6,645 | 6,381 | 6,702 | 6,035 | |
| Income from operations | 5,943 | 5,288 | 4,900 | 4,911 | 3,992 | |
| Net interest and other financial costs | 983 | 921 | 923 | 925 | — | |
| Income before income taxes | 4,960 | 4,367 | 3,977 | 3,986 | 3,113 | |
| Other Tax Expense (Benefit) | 8 | 10 | 11 | — | — | |
| Net income | 4,952 | 4,357 | 3,966 | 3,978 | 3,112 | |
| Less: Net income attributable to noncontrolling interests | 40 | 40 | 38 | 34 | 35 | |
| Limited partners interest in net income attributable to MPLX LP | 4,912 | 4,290 | 3,829 | 3,815 | 2,936 | |
| Common - basic | 4.82 | 4.21 | 3.8 | 3.75 | 2.86 | |
| Common - diluted | 4.82 | 4.21 | 3.8 | 3.75 | 2.86 | |
| Common - basic (shares) | 1,019 | 1,016 | 1,001 | 1,010 | 1,027 | |
| Common - diluted (shares) | 1,019 | 1,017 | 1,002 | 1,010 | 1,027 | |
| Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent | 4,912 | 4,317 | 3,928 | 3,944 | 3,992 | |
| Equity Interest in Acquiree, Remeasurement Gain | 484 | 20 | 92 | — | — |
Consolidated Balance Sheet
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Cash and cash equivalents | 2,137 | 1,519 | 1,048 | 238 | 13 | |
| Receivables, less allowance for expected credit loss | 735 | 718 | 823 | 737 | 654 | |
| Inventories | 172 | 180 | 159 | 148 | 142 | |
| Other current assets | 51 | 29 | 30 | 53 | — | |
| Total current assets | 3,994 | 3,276 | 2,808 | 1,905 | 1,507 | |
| Equity method investments | 4,798 | 4,531 | 3,743 | 4,095 | 3,981 | |
| Property, plant and equipment, net | 21,698 | 19,154 | 19,264 | 18,848 | 20,042 | |
| Intangibles, net | 1,397 | 518 | 654 | 705 | 831 | |
| Goodwill | 8,755 | 7,645 | 7,645 | 7,645 | 7,657 | |
| Right of use assets, net | 276 | 273 | 264 | 283 | — | |
| Other noncurrent assets | 1,125 | 994 | 990 | 959 | 60 | |
| Total assets | 43,005 | 37,511 | 36,529 | 35,665 | 35,507 | |
| Accounts payable | 108 | 147 | 153 | 224 | 172 | |
| Accrued liabilities | 254 | 295 | 300 | 269 | 363 | |
| Accrued property, plant and equipment | 438 | 208 | 216 | 128 | 97 | |
| Long-term debt due within one year | 1,502 | 1,693 | 1,135 | 988 | 499 | |
| Accrued interest payable | 354 | 244 | 242 | 237 | — | |
| Total current liabilities | 3,249 | 3,235 | 2,624 | 2,401 | 3,348 | |
| Long-term deferred revenue | 119 | 317 | 347 | 219 | 383 | |
| Long-term debt | 24,151 | 19,255 | 19,296 | 18,808 | 18,072 | |
| Deferred income taxes | 25 | 18 | 16 | 13 | 10 | |
| Long-term operating lease liabilities | 217 | 217 | 211 | 230 | — | |
| Total liabilities | 28,477 | 23,501 | 22,945 | 22,151 | 22,490 | |
| Commitments and contingencies (see Note 22) | — | — | — | — | — | |
| Series A Preferred Units | 0 | 203 | 895 | 968 | — | |
| Accumulated other comprehensive income (loss) | 5 | −3 | −4 | −8 | −17 | |
| Total MPLX LP partners capital | 14,301 | 13,576 | 12,454 | 12,309 | 11,811 | |
| Noncontrolling interests | 227 | 231 | 235 | 237 | 241 | |
| Total equity | 14,528 | 13,807 | 12,689 | 12,546 | 12,052 | |
| Total liabilities, preferred units and equity | 43,005 | 37,511 | 36,529 | 35,665 | 35,507 |
Consolidated Statement of Cash Flows
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Amortization of deferred financing costs and debt discount | 30 | 54 | 55 | 73 | 70 | |
| Deferred income taxes | 7 | 2 | 3 | 3 | −2 | |
| Gain on equity method investments | −484 | −20 | −92 | — | — | |
| (Gain)/loss on disposal of assets | −161 | 3 | −14 | 34 | −13 | |
| Distributions from unconsolidated affiliates | 864 | 826 | 736 | 578 | 508 | |
| Change in fair value of derivatives | −17 | −3 | 0 | −47 | 45 | |
| Current receivables | 48 | 180 | 14 | 14 | −199 | |
| Inventories | −26 | −20 | −19 | −5 | −24 | |
| Current liabilities and other current assets | −12 | 5 | −17 | −26 | 193 | |
| Assets and liabilities - related parties | 126 | 84 | 84 | 40 | 101 | |
| Right of use assets and operating lease liabilities | 3 | −3 | 0 | −3 | −2 | |
| Deferred revenue | −74 | −5 | 107 | 108 | 88 | |
| All other, net | −1 | 5 | −39 | 27 | 26 | |
| Net cash provided by operating activities | 5,909 | 5,946 | 5,397 | 5,019 | 4,911 | |
| Additions to property, plant and equipment | −1,808 | −1,056 | −937 | −806 | −529 | |
| Acquisitions, net of cash acquired | −3,316 | −622 | −246 | −28 | 0 | |
| Disposal of assets | 975 | 1 | 26 | 84 | 126 | |
| Investments - acquisitions and contributions | 1,008 | 464 | 98 | 217 | — | |
| Investments - redemptions, repayments, return of capital and sales proceeds | 293 | 146 | 3 | 11 | 36 | |
| All other, net | 8 | 0 | 0 | 0 | 0 | |
| Net cash used in investing activities | −4,856 | −1,995 | −1,252 | −956 | −518 | |
| Long-term debt borrowings | 6,541 | 1,630 | 1,589 | 3,379 | 4,175 | |
| Long-term debt repayments | 2,464 | 1,151 | 1,001 | 2,202 | 5,821 | |
| Debt issuance costs | −63 | −15 | −15 | −29 | 0 | |
| Unit repurchases | −400 | −326 | 0 | −491 | −630 | |
| Distributions to noncontrolling interests | −44 | −44 | −41 | −38 | −39 | |
| Distributions to LP unitholders | −4,018 | −3,559 | −3,181 | −2,921 | −3,432 | |
| Contributions from MPC | 24 | 35 | 31 | 44 | 45 | |
| All other, net | −5 | −6 | −2 | −4 | −2 | |
| Net cash used in financing activities | −435 | −3,480 | −3,335 | −3,838 | −4,395 | |
| Net change in cash, cash equivalents and restricted cash | 618 | 471 | 810 | 225 | −2 |
Filings
Material Events
Insiders
Institutional Holders
Frequently asked questions
What is MPLX LP's CIK number?
MPLX LP's SEC CIK number is 0001552000 (1552000). The CIK (Central Index Key) is the permanent identifier the SEC assigns to every EDGAR filer — unlike a ticker symbol, it never changes.
Where can I find MPLX LP's SEC filings?
All of MPLX LP's EDGAR filings — 10-K annual reports, 10-Q quarterly reports, 8-K material events, and insider transactions — are listed on this page, sourced live from SEC EDGAR.
When did MPLX LP last report earnings?
MPLX LP (MPLX) most recently filed an earnings 8-K with the SEC on May 5, 2026, furnishing its results under Item 2.02 (Results of Operations and Financial Condition). The earnings press release is attached to that filing (accession 0001552000-26-000023). This is MPLX LP's most recent earnings filing of record — not a forecast of its next earnings date.
What is MPLX LP's most recent earnings 8-K?
MPLX LP's latest earnings 8-K (Item 2.02) was filed May 5, 2026 under accession 0001552000-26-000023. It carries the quarterly or annual earnings press release — the earliest official, SEC-filed version of the results.
View MPLX LP's latest earnings 8-K →
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