In a recent quarterly filing, The Manufacturers Life Insurance Company confirmed it reduced its stake in Marathon Petroleum Corporation by 7.7%. The fund sold 20,409 shares, leaving it with a total of 244,887 shares in the oil and gas company. This disclosure highlights a noteworthy shift in institutional investment within the energy sector.
The Manufacturers Life Insurance Company Cuts Stock Position in Marathon Petroleum Corporation $MPC

Key Takeaways:
- The Manufacturers Life Insurance Company reduced its Marathon Petroleum holdings by 7.7% in the first quarter.
- The fund sold 20,409 shares during that period.
- It now holds 244,887 shares of Marathon Petroleum’s stock.
- The changes were disclosed in an SEC filing.
- Marathon Petroleum Corporation operates in the oil and gas sector under the ticker MPC.
Main Article
Introduction
Marathon Petroleum Corporation, an NYSE-listed oil and gas giant, recently saw one of its institutional investors make a notable change to its holdings. The Manufacturers Life Insurance Company signaled a reduction in its stock position, shedding light on shifting strategies in the broader energy investment landscape.
Background
Before this development, The Manufacturers Life Insurance Company had held a more substantial stake in Marathon Petroleum. As reported, the company tracks and adjusts its positions according to market performance, sector outlook, and regulatory disclosures, which offer insight into institutional investors’ evolving strategies.
Details of the Transaction
According to the most recent filing with the Securities & Exchange Commission, The Manufacturers Life Insurance Company cut its holdings by approximately 7.7%. This move involved selling 20,409 shares, leaving the fund with a total of 244,887 shares of Marathon Petroleum. Although the precise motivations behind this decision remain undisclosed, the adjustment underscores a recalibration of investment portfolios within the oil and gas sector.
Regulatory Filing and Significance
This information was made public through an SEC filing. In the financial world, such filings are watched closely by analysts and shareholders because they can signal shifting confidence levels and recalibrations in institutional strategies. For Marathon Petroleum, changes in major investors’ positions may influence market sentiment and prompt observers to pay close attention to forthcoming quarterly reports.
Conclusion
The reduction in The Manufacturers Life Insurance Company’s stake is a reminder that even longstanding positions in prominent oil and gas companies undergo revisions. As the energy market continues to evolve, investors and stakeholders alike will watch Marathon Petroleum’s performance and further disclosures for signs of how institutional portfolios may continue to shift.