MPLX · Mplx LP
Market Cap
$60.33B
Shares
1.01B
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 632
Total Value: $10,976,985,550
Total Shares: 194,888,532
Showing 1–100
of 641 holdings by value
· page 1 of 7
Institutional Ownership Trend
26 quarters
Superinvestors Holding MPLX
All superinvestors →Holder Concentration
Across 632 13F filers · Δ vs Mar 31, 2026Top Holder
14.7%
+1.6 pts
Top 5
41.9%
+0.1 pts
Top 10
57.2%
+1.0 pts
HHI
491
Broadly held+28
Quarterly Activity
vs Mar 31, 2026
New
59
Increased
243
Decreased
147
Sold Out
78
Unchanged
183
Holder count:
-19
Institutional value:
-6.9%
Shares held:
-5.7%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega ROYAL BANK OF CANADA | +1,608,645 | 2,760,550 | |
| Large ALPS ADVISORS INC | +1,530,630 | 28,601,592 | |
| Large HRT FINANCIAL LP | +748,114 | 821,049 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | +692,332 | 8,011,582 | |
| Mid Arax Advisory Partners | +594,312 | 596,042 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid TORTOISE CAPITAL ADVISORS, L.L.C. | −2,760,115 | 10,500,469 | |
| Large Blackstone Inc. | −2,393,740 | 12,956,943 | |
| Mega BANK OF MONTREAL /CAN/ | −1,477,895 | 2,549,532 | |
| Mega GOLDMAN SACHS GROUP INC | −1,178,199 | 11,329,340 | |
| Mid KAYNE ANDERSON CAPITAL ADVISORS LP | −963,642 | 5,862,925 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid MIZUHO MARKETS AMERICAS LLC | 575,000 | $32,389,750 | |
| Mid Recurrent Investment Advisors LLC | 544,714 | $30,683,739 | |
| Large Treasurer of the State of North Carolina | 127,725 | $7,194,749 | |
| Mid Indivisible Partners | 85,400 | $4,810,582 | |
| Mid GROUP ONE TRADING LLC | 72,897 | $4,106,288 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid CHICKASAW CAPITAL MANAGEMENT LLC | 5,222,687 | $298,058,747 | |
| Mid U.S. Capital Wealth Advisors, LLC | 577,581 | $32,962,547 | |
| Mid GOLDENTREE ASSET MANAGEMENT LP | 344,686 | $19,671,230 | |
| Mid Parkwood LLC | 161,615 | $9,223,368 | |
| Micro ELCO Management Co., LLC | 82,237 | $4,693,265 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Large ALPS ADVISORS INC | $1,611,127,677 | 14.68% | 28,601,592 | Shares | 2026-07-29 | |
| Mega Invesco Ltd. | $1,029,343,323 | 9.38% | 18,273,448 | Shares | 2026-08-14 | |
| Large Blackstone Inc. | $729,864,599 | 6.65% | 12,956,943 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC | $638,181,721 | 5.81% | 11,329,340 | Shares | 2026-08-14 | |
| Mid TORTOISE CAPITAL ADVISORS, L.L.C. | $591,491,418 | 5.39% | 10,500,469 | Shares | 2026-08-14 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund | $451,292,414 | 4.11% | 8,011,582 | Shares | 2026-08-14 | |
| Mid KAYNE ANDERSON CAPITAL ADVISORS LP | $330,258,564 | 3.01% | 5,862,925 | Shares | 2026-08-11 | |
| Mid Energy Income Partners, LLC | $303,072,017 | 2.76% | 5,380,295 | Shares | 2026-08-07 | |
| Mega MORGAN STANLEY | $297,187,446 | 2.71% | 5,275,829 | Shares | 2026-08-13 | |
| Mega UBS Group AG | $296,254,903 | 2.70% | 5,259,274 | Shares | 2026-08-13 | |
| Mega FMR LLC | $220,863,564 | 2.01% | 3,920,887 | Shares | 2026-08-13 | |
| Mega JPMORGAN CHASE & CO | $193,119,067 | 1.76% | 3,428,352 | Shares | 2026-08-12 | |
| Mid Brave Warrior Advisors, LLC | $179,159,480 | 1.63% | 3,180,534 | Shares | 2026-08-14 | |
| Large CIBC Bancorp USA Inc. Bank | $168,320,179 | 1.53% | 2,988,109 | Shares | 2026-08-13 | |
| Mega BANK OF MONTREAL /CAN/ Bank | $143,615,136 | 1.31% | 2,549,532 | Shares | 2026-08-12 | |
| Mega Clearbridge Investments, LLC | $132,020,001 | 1.20% | 2,343,689 | Shares | 2026-08-13 | |
| Mid MILLER HOWARD INVESTMENTS INC /NY | $131,012,820 | 1.19% | 2,325,809 | Shares | 2026-07-31 | |
| Large WESTWOOD HOLDINGS GROUP INC | $119,072,888 | 1.08% | 2,113,845 | Shares | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $116,628,841 | 1.06% | 2,070,457 | Shares | 2026-08-14 | |
| Mid EAGLE GLOBAL ADVISORS LLC | $101,045,655 | 0.92% | 1,793,816 | Shares | 2026-07-30 | |
| Small Fractal Investments LLC | $93,964,974 | 0.86% | 1,668,116 | Shares | 2026-07-23 | |
| Mega ROYAL BANK OF CANADA Bank | $92,130,529 | 0.84% | 1,635,550 | Shares | 2026-08-14 | |
| Large DUFF & PHELPS INVESTMENT MANAGEMENT CO | $91,168,245 | 0.83% | 1,618,467 | Shares | 2026-08-13 | |
| Mid AlphaCore Capital LLC | $91,006,241 | 0.83% | 1,615,591 | Shares | 2026-08-06 | |
| Mid CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT | $90,950,418 | 0.83% | 1,614,600 | Shares | 2026-07-28 | |
| Large BROOKFIELD Corp /ON/ | $76,385,057 | 0.70% | 1,356,028 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA | $73,967,317 | 0.67% | 1,313,107 | Shares | 2026-08-13 | |
| Large STIFEL FINANCIAL CORP | $73,583,145 | 0.67% | 1,306,287 | Shares | 2026-08-12 | |
| Large ING GROEP NV | $69,826,668 | 0.64% | 1,239,600 | Shares | 2026-08-13 | |
| Large COHEN & STEERS, INC. | $66,393,805 | 0.60% | 1,178,658 | Shares | 2026-08-14 | |
| Large Mariner, LLC | $64,400,454 | 0.59% | 1,143,271 | Shares | 2026-08-13 | |
| Mega ROYAL BANK OF CANADA Bank | $63,371,250 | 0.58% | 1,125,000 | Call | 2026-08-14 | |
| Large Epoch Investment Partners, Inc. | $58,922,756 | 0.54% | 1,046,028 | Shares | 2026-08-13 | |
| Mid Progeny 3, Inc. | $57,229,364 | 0.52% | 1,015,966 | Shares | 2026-08-14 | |
| Mega BARCLAYS PLC | $54,673,503 | 0.50% | 970,593 | Shares | 2026-08-14 | |
| Mid INFRASTRUCTURE CAPITAL ADVISORS, LLC | $52,769,099 | 0.48% | 936,785 | Shares | 2026-08-13 | |
| Mega RAYMOND JAMES FINANCIAL INC | $51,946,342 | 0.47% | 922,179 | Shares | 2026-08-14 | |
| Mega VICTORY CAPITAL MANAGEMENT INC | $49,162,739 | 0.45% | 872,763 | Shares | 2026-08-07 | |
| Mega WELLS FARGO & COMPANY/MN | $48,617,125 | 0.44% | 863,077 | Shares | 2026-08-14 | |
| Mid Americana Partners, LLC | $48,258,530 | 0.44% | 856,711 | Shares | 2026-08-05 | |
| Mega DEUTSCHE BANK AG\ Bank | $48,093,427 | 0.44% | 853,780 | Shares | 2026-08-07 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $46,810,230 | 0.43% | 831,000 | Call | 2026-08-14 | |
| Mega Allianz Asset Management GmbH | $46,705,230 | 0.43% | 829,136 | Shares | 2026-08-14 | |
| Large HRT FINANCIAL LP | $46,249,690 | 0.42% | 821,049 | Shares | 2026-08-14 | |
| Mega NEUBERGER BERMAN GROUP LLC | $42,238,318 | 0.38% | 749,837 | Shares | 2026-08-13 | |
| Mega JANE STREET GROUP, LLC | $38,833,902 | 0.35% | 689,400 | Call | 2026-08-14 | |
| Mid REAVES W H & CO INC | $37,769,265 | 0.34% | 670,500 | Shares | 2026-07-30 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $34,626,051 | 0.32% | 614,700 | Put | 2026-08-14 | |
| Mid Arax Advisory Partners | $33,575,045 | 0.31% | 596,042 | Shares | 2026-08-10 | |
| Small LONGFELLOW INVESTMENT MANAGEMENT CO LLC | $32,640,587 | 0.30% | 579,453 | Shares | 2026-08-06 | |
| Mid MIZUHO MARKETS AMERICAS LLC | $32,389,750 | 0.30% | 575,000 | Shares | 2026-07-24 | |
| Mega CITADEL ADVISORS LLC | $31,043,463 | 0.28% | 551,100 | Call | 2026-08-14 | |
| Mid Recurrent Investment Advisors LLC | $30,683,739 | 0.28% | 544,714 | Shares | 2026-08-14 | |
| Mid APPALOOSA LP | $28,303,571 | 0.26% | 502,460 | Shares | 2026-08-14 | |
| Mid Chicago Partners Investment Group LLC | $27,530,329 | 0.25% | 488,733 | Shares | 2026-07-30 | |
| Large NEOS Investment Management LLC | $27,377,788 | 0.25% | 486,025 | Shares | 2026-08-11 | |
| Mega LPL Financial LLC | $26,482,591 | 0.24% | 470,133 | Shares | 2026-08-07 | |
| Mega JENNISON ASSOCIATES LLC | $24,886,368 | 0.23% | 441,796 | Shares | 2026-08-03 | |
| Mid Oxbow Advisors, LLC | $24,816,575 | 0.23% | 440,557 | Shares | 2026-08-07 | |
| Mid Bollard Group LLC | $24,329,490 | 0.22% | 431,910 | Shares | 2026-08-12 | |
| Small Sovereign Investment Advisors, LLC | $21,064,885 | 0.19% | 373,955 | Shares | 2026-08-14 | |
| Large EXCHANGE TRADED CONCEPTS, LLC | $20,784,305 | 0.19% | 368,974 | Shares | 2026-08-11 | |
| Large HighTower Advisors, LLC | $20,600,782 | 0.19% | 365,716 | Shares | 2026-08-05 | |
| Small Northside Capital Management, LLC | $20,446,776 | 0.19% | 362,982 | Shares | 2026-07-10 | |
| Mid Maryland State Retirement & Pension System Pension | $20,018,104 | 0.18% | 355,372 | Shares | 2026-07-30 | |
| Large Corient Private Wealth LLC | $19,608,360 | 0.18% | 348,098 | Shares | 2026-08-27 | |
| Mid Texas Yale Capital Corp. | $19,392,334 | 0.18% | 344,263 | Shares | 2026-08-12 | |
| Mega Nuveen, LLC | $19,244,355 | 0.18% | 341,636 | Shares | 2026-08-11 | |
| Small Heronetta Management, L.P. | $18,253,116 | 0.17% | 324,039 | Shares | 2026-07-28 | |
| Mid Catalyst Capital Advisors LLC | $18,146,314 | 0.17% | 322,143 | Shares | 2026-07-24 | |
| Small TECTONIC ADVISORS LLC | $15,668,526 | 0.14% | 278,156 | Shares | 2026-07-15 | |
| Mega CITIGROUP INC | $15,539,925 | 0.14% | 275,873 | Shares | 2026-08-03 | |
| Small WALNUT PRIVATE EQUITY PARTNERS, LLC Private Equity | $15,096,440 | 0.14% | 268,000 | Shares | 2026-07-07 | |
| Small TrueMark Investments, LLC | $15,007,044 | 0.14% | 266,413 | Shares | 2026-07-22 | |
| Small OPAL CAPITAL LLC | $14,991,159 | 0.14% | 266,131 | Shares | 2026-08-05 | |
| Small Private Capital Advisors, Inc. | $14,673,176 | 0.13% | 260,486 | Shares | 2026-07-24 | |
| Large Rockefeller Capital Management L.P. | $14,585,582 | 0.13% | 258,931 | Shares | 2026-08-13 | |
| Mega ENVESTNET ASSET MANAGEMENT INC | $14,392,709 | 0.13% | 255,507 | Shares | 2026-08-03 | |
| Mid Waverly Advisors, LLC | $13,497,343 | 0.12% | 239,612 | Shares | 2026-08-14 | |
| Mid DEROY & DEVEREAUX PRIVATE INVESTMENT COUNSEL INC | $12,785,896 | 0.12% | 226,982 | Shares | 2026-07-27 | |
| Small Adams Asset Advisors, LLC | $12,474,391 | 0.11% | 221,452 | Shares | 2026-07-14 | |
| Large &PARTNERS | $12,383,868 | 0.11% | 219,845 | Shares | 2026-08-14 | |
| Small RR Advisors, LLC | $12,065,548 | 0.11% | 214,194 | Shares | 2026-08-13 | |
| Mid STEPHENS INC /AR/ | $11,922,582 | 0.11% | 211,656 | Shares | 2026-07-29 | |
| Mega CITADEL ADVISORS LLC | $11,781,250 | 0.11% | 209,147 | Shares | 2026-08-14 | |
| Mid Sequoia Financial Advisors, LLC | $11,487,714 | 0.10% | 203,936 | Shares | 2026-07-17 | |
| Large Cetera Investment Advisers | $10,961,930 | 0.10% | 194,602 | Shares | 2026-08-12 | |
| Mid UNITED CAPITAL FINANCIAL ADVISORS, LLC | $10,566,719 | 0.10% | 187,586 | Shares | 2026-08-17 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $10,523,232 | 0.10% | 186,814 | Shares | 2026-08-14 | |
| Small AVENIR CORP | $10,441,666 | 0.10% | 185,366 | Shares | 2026-08-13 | |
| Mid EVERGREEN CAPITAL MANAGEMENT LLC | $9,968,100 | 0.09% | 176,959 | Shares | 2026-07-23 | |
| Mid Advisors Asset Management, Inc. | $9,492,731 | 0.09% | 168,520 | Shares | 2026-08-14 | |
| Mid Empirical Finance, LLC | $9,268,538 | 0.08% | 164,540 | Shares | 2026-08-14 | |
| Large Empowered Funds, LLC | $9,268,538 | 0.08% | 164,540 | Shares | 2026-08-17 | |
| Mid HENNESSY ADVISORS INC | $9,154,695 | 0.08% | 162,519 | Shares | 2026-07-16 | |
| Mid Advisors Capital Management, LLC | $8,889,718 | 0.08% | 157,815 | Shares | 2026-08-11 | |
| Small Blueprint Financial Advisors LLC | $8,842,120 | 0.08% | 156,970 | Shares | 2026-08-14 | |
| Small Blueprint Investment Partners LLC | $8,842,120 | 0.08% | 156,970 | Shares | 2026-08-04 | |
| Mid Susquehanna Portfolio Strategies, LLC | $8,786,297 | 0.08% | 155,979 | Shares | 2026-08-14 | |
| Small Gilman Hill Asset Management, LLC | $8,681,579 | 0.08% | 154,120 | Shares | 2026-07-09 |
Key facts
CIK
1552000
CUSIP
55336V100
13F (30d)
414 filings
381 filers
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