Security key
55336V100
- Security type / class
- Equity / COM UNIT REP LTD
- Total 13F shares
- 178,283,669
- Total 13F value
- $9,516,093,941
- Share change
- -32,205,766
- Put/Call ratio
- 32%
- SEC-reported price per share
- $53.37
- Number of holders
- 630
- Value change
- -$1,716,398,094
- Number of buys
- 298
- Number of sells
- 166
Open additional details 1 more signal available
Report period
Q4 2025
Institutions
630
Top holders
10
MPLX full security history
Ownership snapshot
Full 13F holder table
MPLX LP SEC filings
MPLX LP company facts
Broader feeds
Ownership snapshot
Top reported holders of MPLX - MPLX LP - COM UNIT REP LTD (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
ALPS ADVISORS INC
Disclosed value leader
ALPS ADVISORS INC
Comparable rows
0/15
Latest evidence
30 Sep 2025
13F
Highest disclosed value: $1,319,162,217
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
ALPS ADVISORS INC has the largest disclosed position value at $1.32B.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens ALPS ADVISORS INC's linked filing trail.
Disclosed position value
Top 5
ALPS ADVISORS INC
$1.32B
Invesco Ltd.
$977.12M
Blackstone Inc.
$700.18M
TORTOISE CAPITAL ADVISORS, L.L.C.
$675.35M
GOLDMAN SACHS GROUP INC
$654.16M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ALPS ADVISORS INC |
13F
Company
|
—
class O/S missing
|
$1,319,162,217
26,409,654 shares
|
— | 30 Sep 2025 |
| Invesco Ltd. |
13F
Company
|
—
class O/S missing
|
$977,118,802
19,561,938 shares
|
— | 30 Sep 2025 |
| Blackstone Inc. |
13F
Company
|
—
class O/S missing
|
$700,184,964
14,017,717 shares
|
— | 30 Sep 2025 |
| TORTOISE CAPITAL ADVISORS, L.L.C. |
13F
Company
|
—
class O/S missing
|
$675,347,926
13,520,479 shares
|
— | 30 Sep 2025 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
—
class O/S missing
|
$654,156,599
13,096,229 shares
|
— | 30 Sep 2025 |
| BANK OF AMERICA CORP /DE/ |
13F
Company
|
—
class O/S missing
|
$466,829,783
9,345,942 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
630
Shares
178,283,669
Rows available
630
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
574
Q4 2025 holders
630
Holder diff
56
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|