MPLX
Mplx LPCompany with tickers: MPLX, MPLXP
Market Cap
$56.90B
Shares Outstanding
1,014,733,719
CIK
1552000
CUSIP
55336V100
13F Activity (30d)
10 filings
7 filers
Website
Visit website
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
56/100
Short interest 0.7% of shares — P36
Days to cover 4.4 — P67
Short-volume trend +4.1% — P64
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-15). Equal-weight mean of the available factors.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-06-15 | 6,647,807 | 6,457,486 | +190,321 | 4.38 |
| 2026-05-29 | 6,457,486 | 6,642,770 | -185,284 | 3.84 |
| 2026-05-15 | 6,642,770 | 7,033,879 | -391,109 | 2.34 |
| 2026-04-30 | 7,033,879 | 8,150,190 | -1,116,311 | 2.90 |
| 2026-04-15 | 8,150,190 | 7,795,289 | +354,901 | 4.07 |
| 2026-03-31 | 7,795,289 | 7,644,457 | +150,832 | 4.64 |
| 2026-03-13 | 7,644,457 | 7,115,529 | +528,928 | 5.38 |
| 2026-02-27 | 7,115,529 | 7,511,701 | -396,172 | 4.47 |
| 2026-02-13 | 7,511,701 | 7,312,662 | +199,039 | 2.86 |
| 2026-01-30 | 7,312,662 | 7,337,195 | -24,533 | 5.22 |
| 2026-01-15 | 7,337,195 | 7,522,583 | -185,388 | 4.66 |
| 2025-12-31 | 7,522,583 | 10,184,962 | -2,662,379 | 5.21 |
| 2025-12-15 | 10,184,962 | 9,146,282 | +1,038,680 | 7.94 |
| 2025-11-28 | 9,146,282 | 9,057,721 | +88,561 | 6.80 |
| 2025-11-14 | 9,057,721 | 8,715,642 | +342,079 | 4.04 |
| 2025-10-31 | 8,715,642 | 7,455,566 | +1,260,076 | 5.92 |
| 2025-10-15 | 7,455,566 | 7,849,173 | -393,607 | 4.85 |
| 2025-09-30 | 7,849,173 | 7,725,117 | +124,056 | 5.07 |
| 2025-09-15 | 7,725,117 | 7,826,651 | -101,534 | 5.40 |
| 2025-08-29 | 7,826,651 | 7,701,805 | +124,846 | 6.76 |
| 2025-08-15 | 7,701,805 | 7,657,177 | +44,628 | 4.19 |
| 2025-07-31 | 7,657,177 | 7,764,292 | -107,115 | 6.48 |
| 2025-07-15 | 7,764,292 | 6,975,123 | +789,169 | 7.91 |
| 2025-06-30 | 6,975,123 | 7,716,289 | -741,166 | 5.39 |
Showing 1–24 of 24 settlements