Ole Andreas Halvorsen's Viking Global Investors is back in Union Pacific Corp (UNP) in 2026 Q2, after about 8 years out, according to the 13F-HR filed with the SEC on August 14, 2026. The filing lists 2.05M shares worth about $556.9M at June 30, 2026, 1.59% of the reported portfolio. UNP enters the book as the 24th largest of 90 stock positions.
What did the 2026 Q2 filing report for UNP?
As of June 30, 2026, from the 13F-HR filed August 14, 2026.
| Value | |
|---|---|
| Shares | 2.05M |
| Reported value | $556.9M |
| Portfolio weight | 1.59% |
| Rank in portfolio | 24th of 90 |
| Sold out in | 2018 Q1 |
| Out for | about 8 years |
How big is the returning UNP position?
Ole Andreas Halvorsen opened 34 stock positions in 2026 Q2; UNP is the 3rd largest of them by weight. An average stock position in the Ole Andreas Halvorsen portfolio is 1% of the reported value, so the new name comes in above the fund's typical size.
Where does UNP sit in the Ole Andreas Halvorsen portfolio?
UNP ranks 24th of 90 stock positions in the Ole Andreas Halvorsen portfolio at 1.59%, above the fund's average stock position of 1%. The UNP purchase was the 13th largest of the quarter's 101 position changes by percent change to portfolio. The largest stock position is V at 6.25%. Next come TSM at 4.31% and APD at 3.96%. The three largest stocks together are 14.53% of the book. Across the 2026 Q2 portfolio, Ole Andreas Halvorsen reported 90 stock positions, with 34 opened and 21 closed. The total portfolio value is about $35.1B, down 2% from the prior quarter.
When did Ole Andreas Halvorsen hold UNP before?
Ole Andreas Halvorsen held UNP before. The fund first reported the name in the quarter ended December 31, 2016, sold out twice, most recently in 2018 Q1, and is back after about 8 years out. The new stake is already larger than any weight the fund reported for the name before. Every reported trade is on the Ole Andreas Halvorsen UNP trade history page.
Did other funds buy or sell UNP in 2026 Q2?
Among the other tracked funds that had filed for 2026 Q2 as of August 14, 2026, 6 hold UNP. The largest buyer of UNP this quarter was Daniel Loeb. The largest sellers were Seth Klarman, Parnassus Endeavor Fund and Thomas Russo. Every tracked holder of UNP is on the UNP ownership page.
FAQ
How many UNP shares does Ole Andreas Halvorsen hold?
Ole Andreas Halvorsen holds 2.05M shares of UNP as of June 30, 2026, worth about $556.9M.
What is UNP's weight in the Ole Andreas Halvorsen portfolio?
UNP is 1.59% of the Ole Andreas Halvorsen portfolio and ranks 24th of 90 stocks by weight.
Has Ole Andreas Halvorsen owned UNP before?
Yes. Ole Andreas Halvorsen held UNP before. The fund first reported the name in the quarter ended December 31, 2016, sold out twice, most recently in 2018 Q1, and is back after about 8 years out.
How many other tracked funds hold UNP?
6 other tracked funds that had filed for 2026 Q2 hold UNP.