State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Union Pacific UNP Stock Holding History

State of Wisconsin Investment Board’s Portfolio UNP Stock Details UNP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$12.1M Buy
+50,000
New +$12.2M 0.03% 567

Other funds holding UNP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State of Wisconsin Investment Board's UNP Position: Q1 2026 in Review

State of Wisconsin Investment Board increased its Union Pacific (UNP) stake by 3.3% in Q1 2026, buying an estimated $2.52M and bringing the position to 317,631 shares worth $77.1M. The position accounts for 0.18% of the portfolio, ranked #89.

State of Wisconsin Investment Board first reported a position in UNP in Q2 2013 and has held it in 52 quarters since. The position peaked at $165M in Q4 2014. 2,772 funds tracked by Wall St. Rank hold UNP as of Q1 2026.

  • State of Wisconsin Investment Board held 317,631 shares of Union Pacific worth $77.1M as of Q1 2026.
  • State of Wisconsin Investment Board bought 10,283 Union Pacific shares in Q1 2026, an estimated $2.52M.
  • Union Pacific made up 0.18% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #89 holding.
  • State of Wisconsin Investment Board first reported a position in Union Pacific in Q2 2013 and has held it in 52 quarters since.
  • State of Wisconsin Investment Board's Union Pacific position peaked at $165M in Q4 2014.
  • 2,772 funds tracked by Wall St. Rank held Union Pacific as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.