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Eric Mandelblatt’s Union Pacific UNP Stock Holding History

Eric Mandelblatt’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
2018
Q1 		– Sell
-20,174,100
Closed -$2.71B – 39
2017
Q4 		$2.71B Buy
20,174,100
+1,424,100
+8% +$172M 11.18% 1
2017
Q3 		$2.17B Hold
18,750,000
– – 8.2% 2
2017
Q2 		$2.04B Buy
18,750,000
+5,000,000
+36% +$545M 7.95% 2
2017
Q1 		$1.46B Buy
+13,750,000
New +$1.47B 7.64% 2
2014
Q3 		– Sell
-1,000,000
Closed -$99.8M – 56
2014
Q2 		$99.8M Buy
+1,000,000
New +$96.9M 0.57% 40

Other funds holding UNP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 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 $1.81T AUM 41.13% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Eric Mandelblatt's UNP Position: Q1 2026 in Review

Eric Mandelblatt sold out of Union Pacific (UNP) in Q1 2026, closing a stake of 1,022,833 shares — an estimated $242M sold.

Eric Mandelblatt first reported a position in UNP in Q2 2016 and held it in 37 quarters. The position peaked at $1.73B in Q4 2023. 2,775 funds tracked by Wall St. Rank hold UNP as of Q1 2026.

  • Eric Mandelblatt reported no remaining Union Pacific position as of Q1 2026 after selling out during the quarter.
  • Eric Mandelblatt sold 1,022,833 Union Pacific shares in Q1 2026, an estimated $242M.
  • Eric Mandelblatt first reported a position in Union Pacific in Q2 2016 and held it in 37 quarters.
  • Eric Mandelblatt's Union Pacific position peaked at $1.73B in Q4 2023.
  • 2,775 funds tracked by Wall St. Rank held Union Pacific as of Q1 2026.

Based on Soroban Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.