MPLX — MPLX LPToday's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
53
all time
Members · 12m
0
0 buys · 0 sells · by trade date
Latest filing
01-03
2022-01-03
Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
3
13F holders
500
all listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-29
Congress 53Institutional 500

Congress · disclosure timeline

By trade date · 24 months · 0 rows ▲ buy, ▼ sell; height = lower bound (log scale). Trade date, not filing date — the filing lag is in the table below.

No dated MPLX rows fall inside the trailing 24 months by trade date.

Members active in MPLX

12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-29).

No member disclosed MPLX in the trailing 12 months.

Congressional disclosures

Newest filed firstAll 53 rows ↗
Latest congressional filings mentioning MPLX
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2022-01-03Mark E. Green R–TN-7SELLTraded 2021-12-21 +13d$500K–$1M
2021-11-18Mark E. Green R–TN-7BUYTraded 11-08 +10d$500K–$1M
2021-05-17Mark E. Green R–TN-7SELLTraded 05-13 +4d$500K–$1M
2021-05-02Perdue , Jr, David A —SELL JT (jointly owned)Traded 2020-04-15 LATE·382d$15K–$50Kamendment pending
2021-05-02Perdue , Jr, David A —SELL partial · JT (partial sale, jointly owned)Traded 2020-02-19 LATE·438d$1K–$15Kamendment pending
2021-04-28Mark E. Green R–TN-7BUYTraded 04-14 +14d$100K–$250K
2021-03-05Mark E. Green R–TN-7BUYTraded 03-01 +4d$50K–$100K
2021-03-05Mark E. Green R–TN-7BUYTraded 02-19 +14d$50K–$100K
2021-03-05Mark E. Green R–TN-7BUYTraded 02-12 +21d$100K–$250K
2021-03-05Mark E. Green R–TN-7BUYTraded 01-19 +45d$100K–$250K

13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only

All holders ↗
Top institutional holders of MPLX for quarter 2026-03-31, 1–25 of 500 holders
#FilerValueSecuritiesFlagsderived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date (the full holders view shows them), but no document links — the EDGAR link opens the filer's 13F list·§
1ALPS ADVISORS INC$1.5B1
derived ·§ EDGAR ↗
2Invesco Ltd.$1.0B1
derived ·§ EDGAR ↗
3Blackstone Inc.$876M1
derived ·§ EDGAR ↗
4MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$418M1
derived ·§ EDGAR ↗
5KAYNE ANDERSON CAPITAL ADVISORS LP$390M1
derived ·§ EDGAR ↗
6UBS Group AG$299M1
derived ·§ EDGAR ↗
7MORGAN STANLEY$283M1
derived ·§ EDGAR ↗
8BANK OF MONTREAL /CAN/$230M1
derived ·§ EDGAR ↗
9FMR LLC$192M1
derived ·§ EDGAR ↗
10Brave Warrior Advisors, LLC$186M1
derived ·§ EDGAR ↗
11CIBC Bancorp USA Inc.$148M1
derived ·§ EDGAR ↗
12BANK OF AMERICA CORP /DE/$147M1
derived ·§ EDGAR ↗
13Clearbridge Investments, LLC$134M1
derived ·§ EDGAR ↗
14WESTWOOD HOLDINGS GROUP INC$128M1
derived ·§ EDGAR ↗
15BROOKFIELD Corp /ON/$124M1
derived ·§ EDGAR ↗
16Fractal Investments LLC$117M1
derived ·§ EDGAR ↗
17CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT$106M1
derived ·§ EDGAR ↗
18EAGLE GLOBAL ADVISORS LLC$103M1
derived ·§ EDGAR ↗
19ING GROEP NV$101M1
derived ·§ EDGAR ↗
20DUFF & PHELPS INVESTMENT MANAGEMENT CO$95.2M1
derived ·§ EDGAR ↗
21AlphaCore Capital LLC$92.2M1
derived ·§ EDGAR ↗
22STIFEL FINANCIAL CORP$75.9M1
derived ·§ EDGAR ↗
23Mariner, LLC$65.8M1
derived ·§ EDGAR ↗
24ROYAL BANK OF CANADA$65.7M1
derived ·§ EDGAR ↗
25Epoch Investment Partners, Inc.$64.3M1
derived ·§ EDGAR ↗
Show all 500 holders
Truncated by Public Filings. All 463 13F filers reporting this share class are listed. Method ↗

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Congress ↔ notable managers · MPLX

Congress · last 90 days

Buyers
0 — —
Sellers
0 — —

filed 2026-07-31 → 2026-10-29 · statutory ranges

Notable managers · quarter ended 2026-03-31

Adding
0 — $0 held
Trimming
1 Appaloosa $28.7M held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · MPLX LP

Merged timeline of congressional filings and notable-manager moves on MPLX
DateWhoChangeSize
2026-05-15Appaloosa 13FTRIM−125,040 sh

1 newest, by filing date · 13F rows are quarter-end snapshots, not trades

Congress vs filers

12 months
Congress net (rows)no rows
Congress net ($ bound)$0
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.