Sumitomo Mitsui Trust Group Reduces Stake in Union Pacific

The institutional investor sold over 66,000 shares of the railroad operator in Q4 2025.

Apr. 12, 2026 at 11:05am

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A photorealistic studio still life featuring a polished metal railroad spike, a leather-bound ledger, and a pair of vintage brass calipers arranged elegantly on a clean, monochromatic background, conceptually representing the abstract forces shaping the railroad industry.A minimalist still life captures the intersection of transportation, finance, and industrial heritage that defines Union Pacific Corporation.Omaha Today

Sumitomo Mitsui Trust Group Inc. decreased its holdings in shares of Union Pacific Corporation (NYSE:UNP) by 4.6% in the fourth quarter, according to its most recent Form 13F filing with the SEC. The institutional investor owned 1,381,499 shares of the railroad operator's stock after selling 66,135 shares during the period.

Why it matters

This filing provides insight into the investment decisions of a major institutional investor, Sumitomo Mitsui Trust Group, and their views on the outlook for Union Pacific Corporation, a prominent railroad operator in the United States.

The details

Sumitomo Mitsui Trust Group Inc. sold 66,135 shares of Union Pacific Corporation in the fourth quarter, reducing its total stake in the company to 1,381,499 shares. This represented a 4.6% decrease in the institutional investor's holdings of UNP stock.

  • Sumitomo Mitsui Trust Group Inc. filed the 13F report detailing the share sale in the fourth quarter of 2025.

The players

Sumitomo Mitsui Trust Group Inc.

A major Japanese financial services group and institutional investor.

Union Pacific Corporation

A leading freight railroad company in the United States that operates an extensive rail network across the western two-thirds of the country.

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The takeaway

This filing indicates that Sumitomo Mitsui Trust Group, a prominent institutional investor, has reduced its stake in Union Pacific Corporation, potentially signaling a shift in their outlook on the railroad operator's prospects. Investors and analysts will likely monitor any further changes in institutional ownership of UNP stock.