Mplx LP 13F holders
641 funds reported a position in Mplx LP in their 13F for the quarter ended 30 June 2026, together 196.4 million shares worth $11.06 billion. Against the quarter before, 44 opened a position, 227 added, 149 trimmed and 57 sold out; together they sold a net 5.9 million shares. The largest holders: Alps Advisors Inc., Invesco Ltd. and Blackstone Inc.
Funds holding641-5 on Q1 2026
Shares they held196.4Mworth $11.06 billion
Net sold on the quarter5.9M sharesabout $332.8 million at the funds' values
Funds buying to selling271 to 206opened or added, to cut or sold
Opened 44Added 227Held 213Trimmed 149Sold out 57
What each fund did in MPLX against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in MPLX in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
2,671 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 176 reported a position in Mplx LP: 10 opened one, 57 added, 28 trimmed and 12 sold out, a net 254,847 shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 3 reported a position in Mplx LP in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 3.9 million shares worth $220.9 million, 0.0% of its reported book. In the quarter, 2 funds added or opened a position and 0 trimmed or sold out; together they bought a net 763,925 shares, about $43.0 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 3,920,887 | $220.9 million | 0.0% | +560,024 | added | 30 June 2026 | 13F |
| Appaloosa (Tepper) | 502,460 | $28.3 million | 0.4% | no change | held | 30 June 2026 | 13F |
| Citadel Advisors | 209,147 | $11.8 million | 0.0% | +203,901 | added | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| Alps Advisors Inc. | 28,601,592 | 14.56% | $1.61 billion | 7.55% | +1,530,630 | 13F |
| Invesco Ltd. | 18,273,448 | 9.30% | $1.03 billion | 0.08% | +6,842 | 13F |
| Blackstone Inc. | 12,956,943 | 6.60% | $729.9 million | 2.00% | -2,393,740 | 13F |
| Goldman Sachs Group Inc. | 11,329,340 | 5.77% | $638.2 million | 0.07% | -1,178,199 | 13F |
| Tortoise Capital Advisors, L.l.c. | 10,500,469 | 5.35% | $591.5 million | 6.01% | -2,760,115 | 13F |
| Mirae Asset Global ETFS Holdings Ltd. | 8,011,582 | 4.08% | $451.3 million | 0.54% | +692,332 | 13F |
| Kayne Anderson Capital Advisors LP | 5,862,925 | 2.98% | $330.3 million | 6.48% | -963,642 | 13F |
| Energy Income Partners, LLC | 5,380,295 | 2.74% | $303.1 million | 4.77% | +222,817 | 13F |
| Morgan Stanley | 5,275,829 | 2.69% | $297.2 million | 0.02% | +311,630 | 13F |
| UBS Group AG | 5,259,274 | 2.68% | $296.3 million | 0.05% | +25,762 | 13F |
| Chickasaw Capital Management LLC | 5,211,734 | 2.65% | $293.6 million | 10.56% | -10,953 | 13F |
| FMR LLC | 3,920,887 | 2.00% | $220.9 million | 0.01% | +560,024 | 13F |
| JPMorgan Chase & Co. | 3,428,352 | 1.75% | $192.7 million | 0.01% | -705,314 | 13F |
| Brave Warrior Advisors, LLC | 3,180,534 | 1.62% | $179.2 million | 3.90% | -72,990 | 13F |
| CIBC Bancorp USA Inc. | 2,988,109 | 1.52% | $168.3 million | 0.21% | +346,005 | 13F |
| Bank of Montreal | 2,549,532 | 1.30% | $143.6 million | 0.05% | -1,477,895 | 13F |
| Clearbridge Investments, LLC | 2,343,689 | 1.19% | $132.0 million | 0.11% | no change | 13F |
| Miller Howard Investments Inc. | 2,325,809 | 1.18% | $131.0 million | 3.48% | +86,115 | 13F |
| Westwood Holdings Group Inc. | 2,113,845 | 1.08% | $119.1 million | 0.90% | -123,011 | 13F |
| Bank of America Corp. | 2,070,457 | 1.05% | $116.6 million | 0.01% | -502,819 | 13F |
| Eagle Global Advisors LLC | 1,793,816 | 0.91% | $101.0 million | 3.35% | -11,530 | 13F |
| Fractal Investments LLC | 1,668,116 | 0.85% | $94.0 million | 10.84% | -383,185 | 13F |
| Royal Bank of Canada | 1,635,550 | 0.83% | $92.1 million | 0.02% | +483,645 | 13F |
| Duff & Phelps Investment Management Co. | 1,618,467 | 0.82% | $91.2 million | 0.86% | -50,000 | 13F |
| AlphaCore Capital LLC | 1,615,591 | 0.82% | $91.0 million | 1.67% | +77 | 13F |
| Cushing Asset Management, LP dba NXG Investment Management | 1,614,600 | 0.82% | $91.0 million | 4.07% | -244,500 | 13F |
| Brookfield Corp | 1,356,028 | 0.69% | $76.4 million | 0.10% | -817,788 | 13F |
| BNP Paribas Financial Markets | 1,313,107 | 0.67% | $74.0 million | 0.04% | +22,565 | 13F |
| Stifel Financial Corp. | 1,306,287 | 0.67% | $73.6 million | 0.06% | -24,178 | 13F |
| Ing Groep NV | 1,239,600 | 0.63% | $69.8 million | 0.34% | -528,600 | 13F |
| Cohen & Steers, Inc. | 1,178,658 | 0.60% | $66.4 million | 0.10% | +248,907 | 13F |
| Mariner, LLC | 1,143,271 | 0.58% | $64.4 million | 0.07% | -9,331 | 13F |
| Epoch Investment Partners, Inc. | 1,046,028 | 0.53% | $58.9 million | 0.34% | -81,516 | 13F |
| Progeny 3, Inc. | 1,015,966 | 0.52% | $57.2 million | 2.95% | no change | 13F |
| Barclays PLC | 970,593 | 0.49% | $54.7 million | 0.02% | +83,365 | 13F |
| Infrastructure Capital Advisors, LLC | 936,785 | 0.48% | $52.8 million | 4.12% | -131,466 | 13F |
| Raymond James Financial Inc. | 922,179 | 0.47% | $51.9 million | 0.01% | -55,761 | 13F |
| Victory Capital Management Inc. | 872,763 | 0.44% | $49.2 million | 0.03% | -98,714 | 13F |
| Wells Fargo & Company | 863,077 | 0.44% | $48.6 million | 0.01% | +57,847 | 13F |
| Americana Partners, LLC | 856,711 | 0.44% | $48.3 million | 1.09% | +91,244 | 13F |
| Deutsche Bank AG | 853,780 | 0.43% | $48.1 million | 0.01% | no change | 13F |
| Allianz Asset Management GmbH | 829,136 | 0.42% | $46.7 million | 0.04% | no change | 13F |
| HRT Financial LP | 821,049 | 0.42% | $46.2 million | 0.08% | +748,114 | 13F |
| Neuberger Berman Group LLC | 749,837 | 0.38% | $42.2 million | 0.03% | -350,172 | 13F |
| Reaves W H & Co. Inc. | 670,500 | 0.34% | $37.8 million | 0.57% | no change | 13F |
| Arax Advisory Partners | 596,042 | 0.30% | $33.6 million | 0.22% | +594,312 | 13F |
| Longfellow Investment Management Co. LLC | 579,453 | 0.29% | $32.6 million | 6.67% | no change | 13F |
| Mizuho Markets Americas LLC | 575,000 | 0.29% | $32.4 million | 0.58% | new | 13F |
| Recurrent Investment Advisors LLC | 544,714 | 0.28% | $30.7 million | 1.91% | new | 13F |
| Appaloosa LP | 502,460 | 0.26% | $28.3 million | 0.38% | no change | 13F |
The 50 largest of the 641 funds that reported a position in MPLX in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on MPLX
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 551,100 | $31.0 million | 30 June 2026 | 13F |
| Citadel Advisors | Puts | 89,400 | $5.0 million | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
None in the last twelve months: no holder crossed 5%, changed materially, or filed an annual 13G in the window.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 18 September 2026 | 381 | $58.62 | SEC |
| 17 September 2026 | 17,816 | $57.93 | SEC |
| 16 September 2026 | 1 | $58.42 | SEC |
| 8 September 2026 | 1,469 | $59.67 | SEC |
| 4 September 2026 | 10 | $59.34 | SEC |
| 28 August 2026 | 2 | $59.51 | SEC |
| 26 August 2026 | 3,491 | $58.36 | SEC |
| 21 August 2026 | 1 | $58.60 | SEC |
| 20 August 2026 | 1,235 | $58.69 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.