Ownership history in CASTLEARK MANAGEMENT LLC · 49 quarters on record
This page tracks every 13F SEC filing in which CASTLEARK MANAGEMENT LLC reported a position in MARATHON PETROLEUM 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 Q3 | ADDED | 46,258 | +43,920 | +1878.5% | 0.25% | $8.9M | $190.82 |
| 2025 Q2 | UNCHANGED | 2,338 | — | 0% | 0.01% | $388K | $163.54 |
| 2025 Q1 | REDUCED | 2,338 | -96,051 | -97.6% | 0.01% | $341K | $142.63 |
| 2024 Q4 | ADDED | 98,389 | +87,150 | +775.4% | 0.48% | $13.7M | $135.79 |
| 2024 Q3 | REDUCED | 11,239 | -6,040 | -35.0% | 0.07% | $1.8M | $157.67 |
| 2024 Q2 | REDUCED | 17,279 | -2,460 | -12.5% | 0.12% | $3.0M | $167.09 |
| 2024 Q1 | ADDED | 19,739 | +3,200 | +19.3% | 0.17% | $4.0M | $193.16 |
| 2023 Q4 | UNCHANGED | 16,539 | — | 0% | 0.11% | $2.5M | $141.53 |
| 2023 Q3 | ADDED | 16,539 | +3,770 | +29.5% | 0.13% | $2.5M | $143.58 |
| 2023 Q2 | REDUCED | 12,769 | -14,100 | -52.5% | 0.07% | $1.5M | $110.06 |
As of 2025 Q4 — sorted by position size