Ownership history in Boston Partners · 52 quarters on record
This page tracks every 13F SEC filing in which Boston Partners reported a position in MARATHON PETE CORP COM (MPC). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | REDUCED | 6,119,715 | -185,713 | -2.9% | 1.03% | $997.9M | $161.82 |
| 2025 Q3 | ADDED | 6,305,428 | +149,432 | +2.4% | 1.25% | $1.21B | $190.82 |
| 2025 Q2 | ADDED | 6,155,996 | +707,482 | +13.0% | 1.14% | $1.02B | $163.54 |
| 2025 Q1 | ADDED | 5,448,514 | +2,011,810 | +58.5% | 0.96% | $791.3M | $142.63 |
As of 2025 Q4 — sorted by position size