Held by 11 tracked superinvestors.
See UNP insider (officer/director) trading →Bill Nygren
Oakmark Funds · as of 2026-06-30
$1,045,709,943
3,844,522 shares
Viking Global Investors
Viking Global Investors · as of 2026-06-30
$556,874,304
2,047,332 shares
Seth Klarman
Baupost Group LLC · as of 2026-06-30
$322,427,000
1,185,395 shares
Daniel Loeb
Third Point · as of 2026-06-30
$95,200,000
350,000 shares
Dodge & Cox Funds
Dodge & Cox Funds · as of 2026-06-30
$70,965,344
260,902 shares
Thomas Gayner
Markel Group · as of 2026-06-30
$43,799,616
161,028 shares
Thomas Russo
Gardner Russo & Quinn · as of 2026-06-30
$7,028,631
25,841 shares
Tweedy Browne
Tweedy Browne · as of 2026-06-30
$5,218,320
19,185 shares
Mairs & Power Funds
Mairs & Power Funds · as of 2026-06-30
$928,880
3,415 shares
Greenhaven Associates
Greenhaven Associates · as of 2026-06-30
$552,704
2,032 shares
Torray Funds
Torray Funds · as of 2026-06-30
$231,200
850 shares
Viking Global Investors
2026-06-30 · 0.7% of portfolio
Seth Klarman
2026-06-30 · 6.0% of portfolio
Mairs & Power Funds
2026-06-30 · 0.0% of portfolio
Daniel Loeb
2026-06-30 · 1.6% of portfolio
Thomas Russo
2026-03-31 · 0.1% of portfolio
Lee Ainslie
2026-03-31 · 3.3% of portfolio
Daniel Loeb
2026-03-31 · 1.0% of portfolio
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