ALPS ADVISORS INC MPLX — MPLX LP

Ownership history in ALPS ADVISORS INC  ·  43 quarters on record

AI Ownership Summary

ALPS ADVISORS INC reported MPLX LP (MPLX) in 43 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 8.0% in 2025 Q1. The latest visible filing shows MPLX at 7.27% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this MPLX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ALPS ADVISORS INC's position in MPLX LP, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

MPLX was reported at 7.27% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
8.0% in 2025 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

MPLX stock page ALPS ADVISORS INC fund profile ALPS ADVISORS INC full holdings
How ALPS ADVISORS INC held MPLX — position size vs. price
% of Fund (quarterly)    MPLX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 27,070,962 +26,641,396 +6201.9% 7.27% $1.54B 2026-05-08 $54.00
2025 Q4 REDUCED 98.4% +9.0% ❌ 429,566 -25,980,088 -98.4% 0.13% $22.9M 2026-02-12 $55.15
2025 Q3 ADDED — — — 26,409,654 +325,451 +1.2% 7.35% $1.32B 2025-11-05 $49.53
2025 Q2 ADDED — — — 26,084,203 +300,501 +1.2% 7.75% $1.34B 2025-08-11 $48.21
2025 Q1 REDUCED — — — 25,783,702 -216,996 -0.8% 8.00% $1.38B 2025-04-30 $47.07
2024 Q4 ADDED — — — 26,000,698 +378,568 +1.5% 7.85% $1.24B 2025-02-13 $49.64
2024 Q3 REDUCED — — — 25,622,130 -539,652 -2.1% 7.62% $1.14B 2024-11-12 $41.74
2024 Q2 ADDED — — — 26,161,782 +456,966 +1.8% 7.65% $1.11B 2024-08-13 $36.10
2024 Q1 ADDED — — — 25,704,816 +93,547 +0.4% 7.56% $1.07B 2024-05-14 $35.23
2023 Q4 REDUCED 11.0% +15.1% ❌ 25,611,269 -3,160,524 -11.0% 7.39% $940.4M 2024-02-14 $32.55
33 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding MPLX

As of 2026 Q1 — sorted by position size

Heronetta Management, L.P. 3Y 7Y 16.88% Fractal Investments LLC 3Y 13.85% CHICKASAW CAPITAL MANAGEMENT LLC 3Y 7Y 10.54% WALNUT PRIVATE EQUITY PARTNERS, LLC 3Y 7Y 8.39% Amplify Investments, LLC 7.5% Belfer Management LLC 3Y 7Y 7.47% CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT 3Y 7Y 5.25% MILLER HOWARD INVESTMENTS INC /NY 3Y 7Y 3.49% TrueMark Investments, LLC 2.58% Kercheville Advisors, LLC 3Y 2.47%

FAQ About ALPS ADVISORS INC and MPLX

These are the practical questions this page is built to answer before you even open the full history table.

How long has ALPS ADVISORS INC reported owning MPLX?

ALPS ADVISORS INC reported MPLX across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported MPLX position in ALPS ADVISORS INC's portfolio?

The largest reported portfolio weight for MPLX was 8.00% in 2025 Q1.

What is the latest reported MPLX position on this page?

The most recent filing on this page is 2026 Q1, when ALPS ADVISORS INC reported 27,070,962 shares, equal to 7.27% of portfolio, with an estimated market value of $1.54B.

What does the chart on this MPLX ownership page compare?

The chart compares ALPS ADVISORS INC's quarterly MPLX portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did ALPS ADVISORS INC time their MPLX position?

Based on 13F filing dates vs. subsequent MPLX price moves, ALPS ADVISORS INC correctly timed 22 out of 42 reported position changes (52%). The annualised alpha on MPLX relative to SPY over the holding period was -3.6%.

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