MPC β€” MARATHON PETE CORP

Ownership history in Summit Street Capital Management, LLC  Β·  26 quarters on record

This page tracks every 13F SEC filing in which Summit Street Capital Management, LLC reported a position in MARATHON PETE CORP (MPC). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β€” sourced directly from SEC EDGAR 13F filings.

πŸ” Peak position
4.56% (2022 Q1)
πŸ“Š Avg. % of fund
3.27%
πŸ“… First filed
2014 Q4
πŸ“… Last filed
2025 Q4
⏱ Quarters held
26

Position Intelligence

Summit Street Capital Management, LLC Γ— MPC AI Analytics

πŸ“‰ Summit Street Capital Management, LLC underperformed the S&P 500 by –6.1% annually on this MPC position. Timing score: 67% (4/6 decisions correct). Average cost basis: $99.43. Maximum drawdown during holding period: –46.1%.

πŸ“ˆ Position Alpha vs SPY
-6.1%
annualised excess return

❌ Significantly underperformed the S&P 500 by 6.1% ann.
11 quarters analyzed

⏱️ Timing Score
67%

βœ… Decent timing β€” more right than wrong on entries and exits.
4 of 6 add/trim decisions correct

πŸ’° Entry Quality
$99.43
+62.7% vs current ($161.82)

Best entry: $19.69 (2020 Q1)  Β·  Worst: $163.54 (2025 Q2)

πŸ›‘οΈ Drawdown Resilience
–46.1%
max drawdown while held

πŸ’ͺ Held through 2 major drawdowns (>20%).

πŸ’ͺ Fund Conviction
43%
buy-side decisions

3 adds Β· 4 trims. Bought during 1 of 9 down-price quarters. πŸ“‰ Predominantly trimming β€” distribution phase.

πŸ“‘ Position Trajectory
↑ Growing
last 4–5 quarters trend

πŸ“ˆ Summit Street Capital Management, LLC has been actively increasing its MPC allocation β€” a bullish signal from insiders.
Currently 2.69% of portfolio

⚠ Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ— 4 (annualised). Not investment advice.

% of Fund (quarterly)    MPC price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 10 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 105,145 -19,473 -15.6% 2.69% $17.1M $161.82
2025 Q3 REDUCED 124,618 -31,579 -20.2% 3.29% $24.0M $190.82
2025 Q2 ADDED 156,197 +103,553 +196.7% 4.28% $25.9M $163.54
2025 Q1 UNCHANGED 52,644 β€” 0% 2.92% $7.7M $142.63
2024 Q4 UNCHANGED 52,644 β€” 0% 2.61% $7.3M $135.79
2024 Q3 UNCHANGED 52,644 β€” 0% 3.06% $8.6M $157.67
2024 Q2 UNCHANGED 52,644 β€” 0% 3.34% $9.1M $167.09
2024 Q1 UNCHANGED 52,644 β€” 0% 4.07% $10.6M $193.16
2023 Q4 UNCHANGED 52,644 β€” 0% 3.31% $7.8M $141.53
2023 Q3 UNCHANGED 52,644 β€” 0% 3.55% $8.0M $143.58
16 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history
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