$MPLX is held by 17 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 3.10%, with an average of 0.53% of portfolio. Largest holder: Progeny 3, Inc. at 3.10%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.
MPLX LP
13F holders
644
Net 13F flow · Q
—
Insider buys · 90d
0
Insider net · 90d
—
Congress · 90d
0
Convergence
—
Institutional holders
Top 10 of 644 · Source: 13F-HR01
Makena Capital Management LLC
—
—
02
Godsey & Gibb, Inc.
—
—
03
Palisades Hudson Asset Management, L.P.
—
—
04
Banyan Capital Management, Inc.
—
—
05
Kayne Anderson Capital Advisors LP
—
—
06
Achmea Investment Management B.V.
—
—
07
Oppenheimer Asset Management Inc.
—
—
08
Brightline Capital Management, LLC
—
—
09
RE Dickinson Investment Advisors, LLC
—
—
10
Optimum Investment Advisors
—
—
Each fund name links to that filer's expert page. Share counts and per-fund weights are pending the 13F ingest fix (portfolios_expertholding.units is currently mis-populated — see the same caveat on the fund detail page's holdings table). Quarter-over-quarter delta ships with the metrics pipeline.
Smart Money · top-200 alpha cohort
17 holders · Q1 202601
Progeny 3, Inc.
3.10% held
α +11.9pts
02
ELCO Management Co., LLC
2.25% NEW
α +10.8pts
03
Barnett & Company, Inc.
1.65% NEW
α +12.6pts
04
Scopia Capital Management LP
0.63% NEW
α +10.2pts
05
Merrion Investment Management Co, LLC
0.35% held
α +16.0pts
06
Quantum Financial Planning Services, Inc.
0.16% held
α +28.9pts
07
Endeavor Private Wealth, Inc.
0.09% held
α +13.5pts
08
Beverly Hills Private Wealth, LLC
0.06% held
α +10.4pts
09
Linscomb Wealth, Inc.
0.05% held
α +32.6pts
10
Venture Visionary Partners LLC
0.02% held
α +10.3pts
11
Caption Management, LLC
0.01% held
α +15.5pts
12
Bradley Foster & Sargent INC
0.01% held
α +11.1pts
13
Citigroup Inc.
0.01% held
α +26.3pts
14
Principal Securities, Inc.
0.00% held
α +21.3pts
15
Costello Asset Management, INC
0.00% held
α +14.3pts
16
Mountain Hill Investment Partners Corp.
0.00% held
α +15.0pts
17
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.00% held
α +27.5pts
Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.
Insider activity · last 90 days
No insider activity
No Form 4 filings on record for $MPLX in the recent window.
Congress trades · last 90 days
No Congress trades
No STOCK Act filings reference $MPLX in the recent window.
Convergence · Pattern Engine ships in v1.1
30-day windowIn development
Convergence detection for $MPLX lands with the Pattern Engine.
Once the Pattern Engine ships, this section will surface every active convergence event involving $MPLX — the institutional managers and Congress members on the same name, the 30-day window, and the combined position size.
Source data: SEC EDGAR · 13F-HR · Form 4 · CapitolTrades · Last refreshed 08:44 UTC.