$56.25
+0.72 (+1.30%)
Market Cap
$55.9B
Shares Outstanding
1,015,204,337
Institutional Holders
556
Total Inst. Value
$42.7B
% of Float Held
59.5%
QoQ Holder Change
+231
Institutional data as of Q1 2025
New Positions
135
Closed Positions
39
Increased
172
Decreased
115
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | Appaloosa LP | $31.0B | 578,500 |
| 2 | ALPS ADVISORS INC | $1.4B | 25,783,702 |
| 3 | Invesco Ltd. | $1.1B | 20,052,988 |
| 4 | Blackstone Inc. | $936.6M | 17,499,998 |
| 5 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $743.5M | 13,892 |
| 6 | TORTOISE CAPITAL ADVISORS, L.L.C. | $734.5M | 13,724,145 |
| 7 | GOLDMAN SACHS GROUP INC | $730.5M | 13,649,224 |
| 8 | BANK OF AMERICA CORP /DE/ | $487.9M | 9,116,050 |
| 9 | KAYNE ANDERSON CAPITAL ADVISORS LP | $416.8M | 7,788,063 |
| 10 | MORGAN STANLEY | $345.5M | 6,455,547 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | +747 | $743.5M |
| GOLDMAN SACHS GROUP INC | +83K | $730.5M |
| BANK OF AMERICA CORP /DE/ | +1.0M | $487.9M |
| KAYNE ANDERSON CAPITAL ADVISORS LP | +2.2M | $416.8M |
| MORGAN STANLEY | +874K | $345.5M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| Blackstone Inc. | -1.7M | $936.6M |
| INFRASTRUCTURE CAPITAL ADVISORS, LLC | -1.2M | $14.2M |
| Strategic Financial Concepts, LLC | -959K | $998K |
| Invesco Ltd. | -911K | $1.1B |
| TORTOISE CAPITAL ADVISORS, L.L.C. | -505K | $734.5M |
Famous Fund Managers
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Frequently Asked Questions
How many institutional investors hold MPLX?
As of Q1 2025, 556 institutional investors report holding MPLX (MPLX Lp) in their 13F filings.
What percentage of MPLX Lp is owned by institutions?
Institutional investors hold approximately 59.5% of MPLX Lp's float as reported in SEC 13F filings.
Which hedge fund owns the most MPLX?
The largest institutional holder of MPLX is Appaloosa LP with $31.0B in shares.
Are institutions buying or selling MPLX?
This quarter, 135 institutions opened new positions in MPLX and 39 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.