As of the latest SEC filings, MPLX LP (MPLX) is held by 105 institutional funds. The largest fund shareholder is Alerian MLP ETF (AMLP), holding an estimated $1,462,730,836.84 in market value, representing 12.37% of its portfolio.
Funds holding MPLX LP (MPLX)
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- MPLX
- CIK:
- 0001552000
| Fund | Type | Manager | Weight | Market Value | Shares |
Report Date
|
Filing Date
|
|---|---|---|---|---|---|---|---|
|
AMLP
Alerian MLP ETF
|
ETF | Independent / Boutique | 12.37% | $1,462,730,836.84 | 24,817,286 | Feb 28, 2026 | Apr 29, 2026 |
|
MLPRX
Invesco SteelPath MLP Income Fund
|
MF | Invesco | 14.97% | $663,345,888.24 | 11,254,596 | Feb 28, 2026 | Apr 28, 2026 |
|
KYN
KAYNE ANDERSON ENERGY INFRASTRUCTURE FUND, INC
|
CEF | Independent / Boutique | 12.11% | $325,676,977.92 | 5,525,568 | Feb 28, 2026 | Apr 28, 2026 |
|
TORIX
Tortoise Energy Infrastructure Total Return Fund
|
MF | Independent / Boutique | 7.24% | $276,878,076.44 | 4,697,626 | Feb 28, 2026 | Apr 29, 2026 |
|
MLPA
Global X MLP ETF
|
ETF | Independent / Boutique | 12.56% | $266,275,772.40 | 4,517,743 | Feb 28, 2026 | Apr 29, 2026 |
|
GLPCX
Goldman Sachs MLP Energy Infrastructure Fund
|
MF | Goldman Sachs | 12.46% | $221,328,717.82 | 3,755,153 | Feb 28, 2026 | Apr 21, 2026 |
|
SPMWX
Invesco SteelPath MLP Select 40 Fund
|
MF | Invesco | 7.39% | $172,130,026.32 | 2,920,428 | Feb 28, 2026 | Apr 28, 2026 |
|
EMLP
First Trust North American Energy Infrastructure Fund
|
ETF | First Trust | 4.04% | $164,407,997.90 | 2,921,770 | Apr 30, 2026 | Jun 22, 2026 |
|
MLPAX
Invesco SteelPath MLP Alpha Fund
|
MF | Invesco | 13.10% | $151,137,896.98 | 2,564,267 | Feb 28, 2026 | Apr 28, 2026 |
|
MLPX
Global X MLP and Energy Infrastructure ETF
|
ETF | Independent / Boutique | 4.25% | $137,461,930.90 | 2,332,235 | Feb 28, 2026 | Apr 29, 2026 |
|
FDGFX
Fidelity Dividend Growth Fund
|
MF | Fidelity | 1.16% | $132,127,587.00 | 2,348,100 | Apr 30, 2026 | Jun 26, 2026 |
|
AMLPX
MainGate MLP Fund
|
MF | Independent / Boutique | 13.77% | $114,933,000.00 | 1,950,000 | Feb 28, 2026 | Apr 24, 2026 |
|
EMO
ClearBridge Energy Midstream Opportunity Fund Inc.
|
CEF | Independent / Boutique | 10.14% | $114,722,643.14 | 1,946,431 | Feb 27, 2026 | Apr 24, 2026 |
|
TYG
Tortoise Energy Infrastructure Corp
|
CEF | Independent / Boutique | 10.09% | $107,687,564.74 | 1,827,071 | Feb 28, 2026 | Apr 28, 2026 |
|
CSHAX
NYLI Cushing MLP Premier Fund
|
MF | Independent / Boutique | 6.38% | $76,622,000.00 | 1,300,000 | Feb 28, 2026 | Apr 24, 2026 |
|
DNP
DNP Select Income Fund Inc
|
CEF | Duff & Phelps / Virtus | 1.86% | $73,086,402.04 | 1,298,852 | Apr 30, 2026 | Jun 26, 2026 |
|
FDCAX
Fidelity Capital Appreciation Fund
|
MF | Fidelity | 0.91% | $69,524,623.58 | 1,235,554 | Apr 30, 2026 | Jun 26, 2026 |
|
SMAPX
WESTWOOD SALIENT MLP & ENERGY
|
MF | Independent / Boutique | 4.25% | $61,260,304.95 | 1,088,685 | Apr 30, 2026 | Jun 25, 2026 |
|
OSPPX
Invesco SteelPath MLP Alpha Plus Fund
|
MF | Invesco | 18.48% | $59,920,820.54 | 1,016,641 | Feb 28, 2026 | Apr 28, 2026 |
|
CCCAX
Center Coast Brookfield Midstream Focus Fund
|
MF | Independent / Boutique | 4.84% | $57,085,808.39 | 1,000,277 | Mar 31, 2026 | May 29, 2026 |
|
AMZA
InfraCap MLP ETF
|
ETF | Independent / Boutique | 12.31% | $57,084,620.79 | 1,014,477 | Apr 30, 2026 | Jun 22, 2026 |
|
PMAIX
Victory Pioneer Multi-Asset Income Fund
|
MF | Independent / Boutique | 0.58% | $49,110,374.01 | 872,763 | Apr 30, 2026 | Jun 25, 2026 |
|
PDX
N/A
|
CEF | PIMCO | 4.41% | $47,318,791.52 | 829,136 | Mar 31, 2026 | May 29, 2026 |
|
TNGY
Tortoise Energy Fund
|
ETF | Independent / Boutique | 7.76% | $42,922,583.48 | 728,242 | Feb 28, 2026 | Apr 29, 2026 |
|
UTF
COHEN & STEERS INFRASTRUCTURE FUND INC
|
CEF | Cohen & Steers | 1.34% | $42,189,853.55 | 739,265 | Mar 31, 2026 | May 29, 2026 |
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