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West Pharmaceutical Services Inc. short interest

Short interest in West Pharmaceutical Services Inc. was 2.2 million shares at the 31 August 2026 settlement, up 3.4% on the previous settlement, with 4.89 days to cover at an average daily volume of 449,399 shares, as reported to FINRA.

SettlementShares shortChangeAverage daily volumeDays to cover
31 August 20262,195,650+3.4%449,3994.89
14 August 20262,123,261-15.4%516,2614.11
31 July 20262,510,898+6.4%987,2272.54
15 July 20262,360,270+1.9%659,6893.58
30 June 20262,316,731+1.2%994,3582.33
15 June 20262,288,165-1.6%650,3433.52
29 May 20262,326,364+1.9%690,6743.37
15 May 20262,282,225-5.9%869,4172.63
30 April 20262,425,762-8.9%1,176,6842.06
15 April 20262,662,538-9.0%737,5133.61
31 March 20262,926,073+14.2%921,6033.17
13 March 20262,563,364+8.0%871,2382.94

FINRA publishes consolidated short interest twice a month, about ten days after each settlement. Days to cover is shares short over average daily volume. Short interest as a share of the float is not shown: the float is not in the public record.

Source

FINRA equity short interest data, the public dataset.

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