Asset Management One Boosts Valero Energy Stake

The investment firm increased its holdings in the oil and gas company by 4.6% in the fourth quarter.

Apr. 20, 2026 at 7:07am

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An extreme close-up of the heavy, industrial machinery and equipment used in oil refining, conveying a sense of the scale and technical complexity of the energy industry.A close-up view of the intricate machinery powering one of the nation's largest independent oil refiners.San Antonio Today

Asset Management One Co. Ltd. raised its stake in shares of Valero Energy Corporation (NYSE:VLO) by 4.6% in the 4th quarter, according to the company's recent SEC filing. The fund now owns 137,211 shares of the oil and gas company's stock, worth approximately $22.7 million as of the most recent filing.

Why it matters

This transaction highlights the continued institutional investor interest in Valero Energy, one of the largest independent oil refiners in the United States. The increase in Asset Management One's position suggests the firm sees further upside potential in Valero's stock despite the volatility in the energy sector.

The details

In its SEC filing, Asset Management One disclosed that it purchased an additional 6,034 shares of Valero Energy in the fourth quarter of 2025. This brought the firm's total holdings in Valero to 137,211 shares. Valero Energy is a San Antonio-based integrated downstream energy company that focuses on refining crude oil into transportation fuels and other products.

  • Asset Management One increased its Valero Energy stake in the fourth quarter of 2025.
  • Valero Energy's stock price ranged from $106.83 to $258.43 over the past 52 weeks.

The players

Asset Management One Co. Ltd.

An investment management firm based in Japan that oversees over $500 billion in assets.

Valero Energy Corporation

A San Antonio-based integrated downstream energy company that manufactures and markets transportation fuels, petrochemical feedstocks, and other industrial products.

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What they’re saying

“Valero Energy's stock has seen significant volatility over the past year, but this transaction suggests Asset Management One remains bullish on the company's long-term prospects.”

— Analyst

What’s next

Investors will be watching to see if other major institutional holders make similar moves to increase their stakes in Valero Energy in the coming quarters.

The takeaway

This transaction underscores the continued institutional investor interest in Valero Energy, one of the largest independent oil refiners in the United States. Despite volatility in the energy sector, Asset Management One's increased stake suggests the firm sees further upside potential in Valero's stock.