MPC
Marathon Petroleum CorpCompany with tickers: MPC
Market Cap
$74.02B
Shares Outstanding
291,936,635
CIK
1510295
CUSIP
56585A102
13F Activity (30d)
82 filings
21 filers
Website
Visit website
Investor Relations
Investor relations
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
64/100
Short interest 2.6% of shares — P56
Days to cover 3.3 — P56
Short-volume trend +9.4% — P79
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 | 7,673,768 | 6,312,262 | +1,361,506 | 3.27 |
| 2026-05-29 | 6,312,262 | 5,947,128 | +365,134 | 2.75 |
| 2026-05-15 | 5,947,128 | 5,585,954 | +361,174 | 2.35 |
| 2026-04-30 | 5,585,954 | 6,348,348 | -762,394 | 2.60 |
| 2026-04-15 | 6,348,348 | 6,803,010 | -454,662 | 2.93 |
| 2026-03-31 | 6,803,010 | 8,038,630 | -1,235,620 | 2.20 |
| 2026-03-13 | 8,038,630 | 7,946,172 | +92,458 | 2.47 |
| 2026-02-27 | 7,946,172 | 8,793,250 | -847,078 | 3.52 |
| 2026-02-13 | 8,793,250 | 8,928,450 | -135,200 | 3.43 |
| 2026-01-30 | 8,928,450 | 8,983,903 | -55,453 | 4.58 |
| 2026-01-15 | 8,983,903 | 9,200,800 | -216,897 | 3.45 |
| 2025-12-31 | 9,200,800 | 9,768,852 | -568,052 | 3.82 |
| 2025-12-15 | 9,768,852 | 9,263,628 | +505,224 | 4.51 |
| 2025-11-28 | 9,263,628 | 7,210,689 | +2,052,939 | 4.93 |
| 2025-11-14 | 7,210,689 | 7,547,623 | -336,934 | 2.83 |
| 2025-10-31 | 7,547,623 | 7,374,144 | +173,479 | 4.79 |
| 2025-10-15 | 7,374,144 | 7,470,350 | -96,206 | 4.77 |
| 2025-09-30 | 7,470,350 | 7,861,133 | -390,783 | 3.45 |
| 2025-09-15 | 7,861,133 | 8,111,300 | -250,167 | 4.41 |
| 2025-08-29 | 8,111,300 | 7,822,443 | +288,857 | 4.44 |
| 2025-08-15 | 7,822,443 | 7,414,136 | +408,307 | 4.23 |
| 2025-07-31 | 7,414,136 | 9,780,237 | -2,366,101 | 4.31 |
| 2025-07-15 | 9,780,237 | 11,355,093 | -1,574,856 | 4.18 |
| 2025-06-30 | 11,355,093 | 9,221,738 | +2,133,355 | 3.14 |
Showing 1–24 of 24 settlements