Andreas Halvorsen's UNP Position Overview
Andreas Halvorsen (via Viking Global Investors Lp) currently holds 2.05 M shares of Union Pacific Corporation (UNP) worth $556.87 M, representing 1.59% of the portfolio. First purchased in 2016-Q4, this short-term holding has been held for 6 quarters.
Based on 13F filings, Andreas Halvorsen has maintained this position in UNP for several quarters, showing initial confidence in the investment. Largest addition occurred in Q2 2026, adding 2.05 M shares. Largest reduction occurred in Q1 2017, reducing 1.53 M shares.
Analysis based on 13F filings available since 2013 Q2
Andreas Halvorsen's Union Pacific Corporation (UNP) Holding Value Over Time
Track share changes against reported price movement
Quarterly Union Pacific Corporation (UNP) Trades by Andreas Halvorsen
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2026 | +2.05 M | New Buy | 2.05 M | $272.00 |
| Q1 2018 | -291,533 | Sold Out | 0 | $0.00 |
| Q4 2017 | +291,533 | New Buy | 291,533 | $134.10 |
| Q2 2017 | -570,590 | Sold Out | 0 | $0.00 |
| Q1 2017 | -1.53 M | Reduce 72.82% | 570,590 | $105.92 |
| Q4 2016 | +2.1 M | New Buy | 2.1 M | $103.68 |
Andreas Halvorsen's Union Pacific Corporation Investment FAQs
Andreas Halvorsen first purchased Union Pacific Corporation (UNP) in Q4 2016, acquiring 2,099,301 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Andreas Halvorsen has held Union Pacific Corporation (UNP) for 6 quarters since Q4 2016.
Andreas Halvorsen's largest addition to Union Pacific Corporation (UNP) was in Q4 2016, adding 2,099,301 shares worth $217.66 M.
According to the latest 13F filing for Q2 2026, Andreas Halvorsen's firm, Viking Global Investors Lp, owns 2,047,332 shares of Union Pacific Corporation (UNP), valued at approximately $556.87 M.
As of the Q2 2026 filing, Union Pacific Corporation (UNP) represents approximately 1.59% of Andreas Halvorsen's publicly disclosed stock portfolio, making it one of their key holdings.
Andreas Halvorsen's peak holding in Union Pacific Corporation (UNP) was 2,099,301 shares, as reported at the end of Q4 2016.