Abc Arbitrage 13F: Cuts Marathon Petroleum (MPC) Stake by $6.7M

Abc Arbitrage lowered its stake in Marathon Petroleum Corporation MPC by 85.6% during the third quarter, according to a Form 13F filing submitted to the Securities and Exchange Commission on October 23, 2026.

MPC Marathon Petroleum Corporation

$460.57 ▲ +182.14% year to date

1M 3M YTD

Daily close · Oct 23, 2026

What Changed in Abc Arbitrage's Marathon Petroleum Corporation Position

The fund sold 16,901 shares during the quarter, ending with 2,850 shares of the energy company. The remaining stake carried a value of about $1.13 million at the end of the period. Prior to the trade, the firm owned 19,751 shares.

Other Institutional Activity in Marathon Petroleum Corporation

Other large institutional investors adjusted their positions in the stock around the same time. Amanah Holdings Trust acquired 377,543 shares worth about $149.29 million. Raymond James Financial, Inc. trimmed its holdings by 88,918 shares, ending with 5,684,963 shares worth about $2.60 billion. Bank Of New York Mellon Corporation grew its holdings by 73,925 shares, ending with 4,027,107 shares worth about $1.84 billion. Boston Partners cut its stake by 2,133,654 shares, ending with 3,515,417 shares worth about $1.61 billion.

Marathon Petroleum Corporation Stock Down 1.9%

Marathon Petroleum Corporation closed at $457.22 on October 23, 2026, and recently traded around $458.99. The stock is up about 0.4% since that filing date, trading 7.1% below its 52-week high of $493.98 and 12.7% above its 50-day moving average of $407.28.

Recent Earnings

Marathon Petroleum reported trailing twelve month revenue of $154.15 billion and earnings of $28.88 per share. The company posted a net profit margin of 5.5% and a return on equity of 42.1%. Its next earnings report is scheduled for November 3, 2026.

Dividend

The company pays an annual dividend rate of $4.00 per share with a dividend yield of 0.87%. Its dividend payout ratio stands at 13.5%.

Insider Buying and Selling at Marathon Petroleum Corporation

Company insiders completed several stock transactions prior to the filing. Officer Shawn M. Lyon sold 2,500 shares on August 13, 2026, at an average price of $350.00 for a total value of $875,000. Molly R. Benson sold 17,196 shares on August 17, 2026, at an average price of $358.57 for a total of $6,165,970. Erin M Brzezinski sold 570 shares on August 27, 2026, at an average price of $362.79 for a total of $206,790. Shawn M. Lyon later sold 1,425 shares on August 31, 2026, valued at $532,367.

Analysts Set New Price Targets

Wall street research firms updated their outlooks on the stock ahead of the filing. On October 12, 2026, Barclays maintained its Overweight rating and raised its price target to $488.00 from $321.00. Evercore ISI Group kept its In-Line rating while lifting its target to $420.00 from $330.00. Citigroup maintained a neutral rating and raised its target to $518.00 from $318.00 on October 13, 2026. Wells Fargo maintained an Overweight rating and raised its target to $560.00 from $400.00 on October 14, 2026. TD Cowen maintained a Buy rating and raised its target to $478.00 from $450.00 on October 22, 2026. The stock carries a consensus buy rating and a mean price target of $458.72 across 18 analyst opinions.

About Marathon Petroleum Corporation

Marathon Petroleum Corporation operates as an integrated downstream energy company in the United States. Headquartered in Findlay, Ohio, the business runs three core segments focusing on refining and marketing, midstream operations, and renewable diesel production.

Bottom Line

Investors will look toward the company's upcoming earnings report on November 3, 2026, for fresh details on operational performance. Future SEC filings will show whether other institutional funds follow Abc Arbitrage in adjusting their positions.