Andreas Halvorsen’s Union Pacific UNP Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$557M Buy
+2,047,332
New +$538M 1.59% 24
2018
Q1
Sell
-291,533
Closed -$39.1M 75
2017
Q4
$39.1M Buy
+291,533
New +$35.2M 0.24% 49
2017
Q2
Sell
-570,590
Closed -$60.4M 74
2017
Q1
$60.4M Sell
570,590
-1,528,711
-73% -$163M 0.27% 46
2016
Q4
$218M Buy
+2,099,301
New +$206M 0.99% 25

Other funds holding UNP

Andreas Halvorsen's UNP Position: Q2 2026 in Review

Andreas Halvorsen opened a new position in Union Pacific (UNP) in Q2 2026: 2,047,332 shares worth $557M. The stake represents 1.59% of the portfolio and ranks #24 among its holdings. This is a return to the name: Andreas Halvorsen previously reported a position in UNP as recently as Q4 2017.

Andreas Halvorsen first reported a position in UNP in Q4 2016 and has held it in 4 quarters since. 2,872 funds tracked by Wall St. Rank hold UNP as of Q2 2026.

  • Andreas Halvorsen held 2,047,332 shares of Union Pacific worth $557M as of Q2 2026.
  • Union Pacific was a new Andreas Halvorsen position in Q2 2026.
  • Union Pacific made up 1.59% of Andreas Halvorsen's portfolio in Q2 2026, its #24 holding.
  • Andreas Halvorsen first reported a position in Union Pacific in Q4 2016 and has held it in 4 quarters since.
  • 2,872 funds tracked by Wall St. Rank held Union Pacific as of Q2 2026.

Based on Viking Global Investors's 13F filing for Q2 2026, filed 14 Aug 2026.