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UNION PAC CORP

UNP

Holders

6

Combined Value

$1.36B

Combined Shares

5,613,996

Current Price

$272.70

52W High

$279.70

vs 52W High

−2.5%

Investor Activity Chart

Quarterly buys (▲) and sells (▼) by tracked investors. Click a marker to view that investor's portfolio; hover for details. Price line is implied from 13F filings (value ÷ shares), not market data.

$222.22$231.65$241.09$250.52Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25Q1'26Q2 2024 · implied price $226.26Q3 2024 · implied price $246.48Q4 2024 · implied price $228.04Q1 2025 · implied price $236.24Q2 2025 · implied price $230.08Q3 2025 · implied price $236.37Q4 2025 · implied price $231.32Q1 2026 · implied price $242.62Jim Simons - Renaissance Technologies · bought 535,000 shares @ ~$226.26 · Q2 2024 (new position)Tom Gayner - Markel Group · bought 85,778 shares @ ~$226.26 · Q2 2024 (new position)Tweedy, Browne Company · bought 43,369 shares @ ~$226.26 · Q2 2024 (new position)Jim Simons - Renaissance Technologies · sold 506,000 shares @ ~$246.48 · Q3 2024Tweedy, Browne Company · sold 480 shares @ ~$246.48 · Q3 2024Jim Simons - Renaissance Technologies · bought 32,500 shares @ ~$228.04 · Q4 2024Tweedy, Browne Company · sold 20,924 shares @ ~$228.04 · Q4 2024Jim Simons - Renaissance Technologies · bought 656,400 shares @ ~$236.24 · Q1 2025Tweedy, Browne Company · sold 897 shares @ ~$236.24 · Q1 2025Jim Simons - Renaissance Technologies · bought 37,500 shares @ ~$230.08 · Q2 2025Tom Gayner - Markel Group · bought 11,500 shares @ ~$230.08 · Q2 2025Tweedy, Browne Company · sold 350 shares @ ~$230.08 · Q2 2025Seth Klarman - Baupost Group · bought 1,496,204 shares @ ~$236.37 · Q3 2025 (new position)Harris Associates (Oakmark Funds) · bought 1,465,587 shares @ ~$236.37 · Q3 2025 (new position)Daniel Loeb - Third Point · bought 875,000 shares @ ~$236.37 · Q3 2025 (new position)Jim Simons - Renaissance Technologies · bought 190,300 shares @ ~$236.37 · Q3 2025Tom Gayner - Markel Group · bought 29,500 shares @ ~$236.37 · Q3 2025Tweedy, Browne Company · sold 587 shares @ ~$236.37 · Q3 2025Harris Associates (Oakmark Funds) · bought 2,190,923 shares @ ~$231.32 · Q4 2025Seth Klarman - Baupost Group · bought 131,050 shares @ ~$231.32 · Q4 2025Tom Gayner - Markel Group · bought 14,500 shares @ ~$231.32 · Q4 2025Daniel Loeb - Third Point · sold 875,000 shares @ ~$236.37 · Q4 2025 (sold out)Jim Simons - Renaissance Technologies · sold 650,500 shares @ ~$231.32 · Q4 2025Tweedy, Browne Company · sold 81 shares @ ~$231.32 · Q4 2025Harris Associates (Oakmark Funds) · bought 125,928 shares @ ~$242.62 · Q1 2026Daniel Loeb - Third Point · bought 100,000 shares @ ~$242.62 · Q1 2026 (new position)Tom Gayner - Markel Group · bought 9,000 shares @ ~$242.62 · Q1 2026Jim Simons - Renaissance Technologies · sold 274,100 shares @ ~$242.62 · Q1 2026Seth Klarman - Baupost Group · sold 86,259 shares @ ~$242.62 · Q1 2026Tweedy, Browne Company · sold 865 shares @ ~$242.62 · Q1 2026BUYSELLIMPLIED PRICE

Held By

Tracked investors currently holding this security, based on each investor's most recent 13F filing. Gain compares the current market price to each investor's estimated average buy price.

InvestorValue% of PortfolioAvg Buy PriceGainLast ActivityAs of
Harris Associates (Oakmark Funds)$917.70M1.22%~$233.65+16.7%BUY Q1 2026Q1 2026
Seth Klarman - Baupost Group$373.88M7.31%~$235.96+15.6%SELL Q1 2026Q1 2026
Tom Gayner - Markel Group$36.46M0.31%~$230.00+18.6%BUY Q1 2026Q1 2026
Daniel Loeb - Third Point$24.26M1.16%~$242.62+12.4%BUY Q1 2026Q1 2026
Jim Simons - Renaissance Technologies$5.12M0.01%~$235.43+15.8%SELL Q1 2026Q1 2026
Tweedy, Browne Company$4.65M0.37%~$226.26+20.5%SELL Q1 2026Q1 2026

Recent Activity

Latest position changes by tracked investors. Prices are estimates implied from 13F filings.

QuarterInvestorActionEst. ValueEst. Price
Q1 2026Jim Simons - Renaissance TechnologiesSELL−$66.50M~$242.62
Q1 2026Harris Associates (Oakmark Funds)BUY+$30.55M~$242.62
Q1 2026Daniel Loeb - Third PointNEW BUY+$24.26M~$242.62
Q1 2026Seth Klarman - Baupost GroupSELL−$20.93M~$242.62
Q1 2026Tom Gayner - Markel GroupBUY+$2.18M~$242.62
Q1 2026Tweedy, Browne CompanySELL−$209.9K~$242.62
Q4 2025Harris Associates (Oakmark Funds)BUY+$506.80M~$231.32
Q4 2025Daniel Loeb - Third PointSOLD OUT−$206.82M~$236.37
Q4 2025Jim Simons - Renaissance TechnologiesSELL−$150.47M~$231.32
Q4 2025Seth Klarman - Baupost GroupBUY+$30.31M~$231.32
Q4 2025Tom Gayner - Markel GroupBUY+$3.35M~$231.32
Q4 2025Tweedy, Browne CompanySELL−$18.7K~$231.32
Q3 2025Seth Klarman - Baupost GroupNEW BUY+$353.66M~$236.37
Q3 2025Harris Associates (Oakmark Funds)NEW BUY+$346.42M~$236.37
Q3 2025Daniel Loeb - Third PointNEW BUY+$206.82M~$236.37
Q3 2025Jim Simons - Renaissance TechnologiesBUY+$44.98M~$236.37
Q3 2025Tom Gayner - Markel GroupBUY+$6.97M~$236.37
Q3 2025Tweedy, Browne CompanySELL−$138.7K~$236.37
Q2 2025Jim Simons - Renaissance TechnologiesBUY+$8.63M~$230.08
Q2 2025Tom Gayner - Markel GroupBUY+$2.65M~$230.08
Q2 2025Tweedy, Browne CompanySELL−$80.5K~$230.08
Q1 2025Jim Simons - Renaissance TechnologiesBUY+$155.07M~$236.24
Q1 2025Tweedy, Browne CompanySELL−$211.9K~$236.24
Q4 2024Jim Simons - Renaissance TechnologiesBUY+$7.41M~$228.04
Q4 2024Tweedy, Browne CompanySELL−$4.77M~$228.04

Ownership History

Aggregate position across all tracked investors per quarter (options excluded). Implied price is the reported value divided by shares held.

PeriodHoldersTotal SharesΔ SharesTotal ValueImplied Price
Q1 202665,613,996-2.2%$1.36B$242.62
Q4 202555,740,292+16.5%$1.33B$231.32
Q3 202564,929,400+464.4%$1.17B$236.37
Q2 20253873,396+5.9%$200.95M$230.08
Q1 20253824,746+387.3%$194.84M$236.24
Q4 20243169,243+7.3%$38.59M$228.04
Q3 20243157,667-76.3%$38.86M$246.48
Q2 20243664,147—$150.27M$226.26