UNP

Union Pacific Corp

Company with tickers: UNP

Market Cap

$158.95B

Shares Outstanding

593,713,213

CIK

100885

CUSIP

907818108

13F Activity (30d)

122 filings 30 filers

Website

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Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.

Short Squeeze Score

61/100

Short interest 5.0% of shares — P73 Days to cover 11.7 — P94 Short-volume trend -9.9% — P17

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-15). Equal-weight mean of the available factors.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2026-06-15	29,458,961	29,652,815	-193,854	2,514,889	11.71
2026-05-29	29,652,815	28,916,554	+736,261	3,782,385	7.84
2026-05-15	28,916,554	29,367,094	-450,540	2,430,564	11.90
2026-04-30	29,367,094	26,536,709	+2,830,385	3,724,971	7.88
2026-04-15	26,536,709	28,203,927	-1,667,218	2,465,823	10.76
2026-03-31	28,203,927	26,520,645	+1,683,282	2,982,149	9.46
2026-03-13	26,520,645	27,857,473	-1,336,828	2,862,657	9.26
2026-02-27	27,857,473	28,109,310	-251,837	3,274,289	8.51
2026-02-13	28,109,310	26,543,751	+1,565,559	4,713,272	5.96
2026-01-30	26,543,751	25,275,570	+1,268,181	4,135,118	6.42
2026-01-15	25,275,570	24,820,661	+454,909	2,763,837	9.15
2025-12-31	24,820,661	24,315,985	+504,676	2,197,231	11.30
2025-12-15	24,315,985	22,308,388	+2,007,597	3,470,802	7.01
2025-11-28	22,308,388	20,809,880	+1,498,508	3,248,798	6.87
2025-11-14	20,809,880	19,914,219	+895,661	3,047,162	6.83
2025-10-31	19,914,219	18,338,494	+1,575,725	3,445,789	5.78
2025-10-15	18,338,494	17,205,349	+1,133,145	2,984,578	6.14
2025-09-30	17,205,349	14,491,431	+2,713,918	5,574,687	3.09
2025-09-15	14,491,431	11,574,832	+2,916,599	4,450,547	3.26
2025-08-29	11,574,832	10,550,516	+1,024,316	4,589,064	2.52
2025-08-15	10,550,516	9,093,475	+1,457,041	3,688,134	2.86
2025-07-31	9,093,475	5,880,348	+3,213,127	6,801,708	1.34
2025-07-15	5,880,348	6,013,993	-133,645	2,359,023	2.49
2025-06-30	6,013,993	6,649,482	-635,489	3,353,396	1.79

Showing 1–24 of 24 settlements