ShortInterestHistory.com

PSTV Short Interest History

PSTV Short Interest (April 15, 2026 Update)
Short interest for PSTV was 1.3M as of April 15, 2026, -94.4% from the prior report.
This page tracks PSTV short interest over time, including historical values, changes between reports, and days to cover.

PLUS THERAPEUTICS, Inc. Common | PSTV | R | Latest report: April 15, 2026

Current Short Interest1.3M
Prior Short Interest23.9M
Change Shares-22.6M
Change %-94.4%
Average Daily Volume925.2K
Days to Cover1.46

At the latest settlement date of April 15, 2026, PLUS THERAPEUTICS, Inc. Common (PSTV) showed reported short interest of 1,348,104 shares. That compared with 23,932,707 shares in the prior report, a change of -22.6M shares, or -94.4%. The latest reported days to cover was 1.46, based on average daily volume of 925.2K.

The historical data currently tracked for PSTV includes 114 reported entries from June 15, 2021 to April 15, 2026. The table below shows each reported settlement date currently included for this symbol.

Download last 6 months as CSV

Short Interest Over Time

Days to Cover Over Time

Extreme edge-case readings may reflect unusually low reported average volume.

Short Interest History for PSTV

Settlement DateShort InterestPrior Short InterestChange SharesChange %Average Daily VolumeDays to Cover
April 15, 20261,348,10423,932,707-22.6M-94.4%925.2K1.46
March 31, 202623,932,70720,108,5463.8M+19.0%5.1M4.73
March 13, 202620,108,54620,157,140-48.6K-0.2%4.1M4.88
February 27, 202620,157,14024,398,322-4.2M-17.4%4.7M4.27
February 13, 202624,398,32224,054,644343.7K+1.4%7.4M3.29
January 30, 202624,054,64411,356,71812.7M+111.8%21.2M1.14
January 15, 202611,356,7187,332,3204.0M+54.9%15.7M1
December 31, 20257,332,3207,070,935261.4K+3.7%3.5M2.1
December 15, 20257,070,9357,395,589-324.7K-4.4%5.5M1.28
November 28, 20257,395,5897,773,908-378.3K-4.9%7.2M1.02
November 14, 20257,773,9087,872,997-99.1K-1.3%3.9M2.01
October 31, 20257,872,9971,937,6135.9M+306.3%9.1M1
October 15, 20251,937,61316,709,205-14.8M-88.4%20.7M1
September 15, 20254,066,5064,661,959-595.5K-12.8%6.8M1
August 29, 20254,661,9593,124,9411.5M+49.2%5.7M1
August 15, 20253,124,9411,863,2201.3M+67.7%19.1M1
July 31, 20251,863,2203,738,819-1.9M-50.2%18.5M1
July 15, 20253,738,8195,739,993-2.0M-34.9%16.5M1
June 30, 20255,739,9931,165,8674.6M+392.3%114.5M1
June 13, 20251,165,867513,082652.8K+127.2%19.9M1
May 30, 2025513,0823,489,479-3.0M-85.3%5.7M1
May 15, 20253,489,4792,082,2041.4M+67.6%2.0M1.77
April 30, 20252,082,2041,128,044954.2K+84.6%4.2M1
April 15, 20251,128,0441,251,464-123.4K-9.9%2.8M1
March 31, 20251,251,464929,630321.8K+34.6%42.1M1
February 28, 2025140,44459,84780.6K+134.7%249.3K1
February 14, 202559,84788,408-28.6K-32.3%27.4K2.18
January 31, 202588,408101,351-12.9K-12.8%12.4K7.11
January 15, 2025101,351113,437-12.1K-10.7%36.1K2.81
December 31, 2024113,43794,01019.4K+20.7%69.5K1.63
December 13, 202494,010113,964-20.0K-17.5%58.2K1.62
November 29, 2024113,964103,97710.0K+9.6%83.9K1.36
November 15, 2024103,97752,33951.6K+98.7%185.8K1
October 31, 202452,33953,956-1.6K-3.0%14.1K3.71
October 15, 202453,95695,425-41.5K-43.5%56.4K1
September 30, 202495,42552,69242.7K+81.1%113.4K1
September 13, 202452,69234,87217.8K+51.1%42.2K1.25
August 30, 202434,87283,450-48.6K-58.2%39.8K1
August 15, 202483,450129,011-45.6K-35.3%65.2K1.28
July 31, 2024129,011212,577-83.6K-39.3%86.5K1.49
July 15, 2024212,577234,068-21.5K-9.2%41.7K5.1
June 28, 2024234,068205,26628.8K+14.0%43.2K5.41
June 14, 2024205,266171,27834.0K+19.8%67.4K3.05
May 31, 2024171,278160,77510.5K+6.5%25.0K6.84
May 15, 2024160,77546,142114.6K+248.4%264.2K1
April 30, 202446,14246,504-362-0.8%29.8K1.55
April 15, 202446,50446,761-257-0.5%19.2K2.42
March 28, 202446,76132,22814.5K+45.1%26.0K1.8
March 15, 202432,22840,790-8.6K-21.0%58.2K1
February 29, 202440,79046,443-5.7K-12.2%20.9K1.96
February 15, 202446,44343,3183.1K+7.2%22.9K2.03
January 31, 202443,31858,016-14.7K-25.3%26.2K1.65
December 29, 202347,58364,589-17.0K-26.3%48.3K1
December 15, 202364,58986,692-22.1K-25.5%60.7K1.06
November 30, 202386,692215,040-128.3K-59.7%178.2K1
November 15, 2023215,04039,645175.4K+442.4%1.2M1
October 31, 202339,64570,641-31.0K-43.9%254.9K1
October 13, 202370,64197,508-26.9K-27.6%102.9K1
September 29, 202397,508140,457-42.9K-30.6%127.7K1
September 15, 2023140,45731,406109.1K+347.2%2.4M1
August 31, 202331,40663,293-31.9K-50.4%14.6K2.15
August 15, 202363,29335,77427.5K+76.9%91.8K1
July 31, 202335,77426,3669.4K+35.7%35.7K1
July 14, 202326,36630,408-4.0K-13.3%43.7K1
June 30, 202330,40840,336-9.9K-24.6%43.9K1
June 15, 202340,33641,861-1.5K-3.6%22.7K1.78
May 31, 202341,86148,857-7.0K-14.3%15.1K2.77
May 15, 202348,857288,413-239.6K-83.1%51.2K1
April 28, 2023288,41357,526230.9K+401.4%581.5K1
April 14, 202357,526247,121-189.6K-76.7%173.3K1
March 31, 2023247,121286,570-39.4K-13.8%252.4K1
March 15, 2023286,570275,35411.2K+4.1%313.2K1
February 28, 2023275,354401,605-126.3K-31.4%298.2K1
February 15, 2023401,605471,994-70.4K-14.9%250.2K1.61
January 31, 2023471,994402,59269.4K+17.2%298.2K1.58
January 13, 2023402,592288,153114.4K+39.7%518.0K1
December 30, 2022288,153423,049-134.9K-31.9%314.9K1
December 15, 2022423,049445,155-22.1K-5.0%328.9K1.29
November 30, 2022445,155541,535-96.4K-17.8%315.7K1.41
November 15, 2022541,535610,846-69.3K-11.3%269.1K2.01
October 31, 2022610,8461,225,793-614.9K-50.2%426.6K1.43
October 14, 20221,225,793251,578974.2K+387.2%2.9M1
September 30, 2022251,578144,548107.0K+74.0%708.9K1
September 15, 2022144,548545,556-401.0K-73.5%1.5M1
August 31, 2022545,55656,530489.0K+865.1%14.2M1
August 15, 202256,53014,45542.1K+291.1%6.4M1
July 29, 202214,45544,618-30.2K-67.6%74.5K1
July 15, 202244,61820,52824.1K+117.4%52.0K1
June 30, 202220,52812,9547.6K+58.5%67.8K1
June 15, 202212,9546,3296.6K+104.7%124.6K1
May 31, 20226,32911,047-4.7K-42.7%69.4K1
May 13, 202211,04748,868-37.8K-77.4%159.5K1
April 29, 202248,86896,334-47.5K-49.3%222.3K1
April 14, 202296,33437,86458.5K+154.4%260.3K1
March 31, 202237,86490,860-53.0K-58.3%150.1K1
March 15, 202290,860299,981-209.1K-69.7%165.8K1
February 28, 2022299,981269,40830.6K+11.3%179.6K1.67
February 15, 2022269,408436,347-166.9K-38.3%301.8K1
January 31, 2022436,347256,393180.0K+70.2%776.6K1
January 14, 2022256,39336,939219.5K+594.1%19.0M1
December 31, 202136,93936,950-110.0%196.2K1
December 15, 202136,95099,046-62.1K-62.7%194.9K1
November 30, 202199,046114,000-15.0K-13.1%281.4K1
November 15, 2021114,00059,47954.5K+91.7%336.9K1
October 29, 202159,479114,223-54.7K-47.9%349.6K1
October 15, 2021114,223159,610-45.4K-28.4%312.9K1
September 30, 2021159,610469,394-309.8K-66.0%508.2K1
September 15, 2021469,394212,357257.0K+121.0%5.9M1
August 31, 2021212,357149,87862.5K+41.7%800.5K1
August 13, 2021149,878253,403-103.5K-40.9%539.0K1
July 30, 2021253,403295,027-41.6K-14.1%593.1K1
July 15, 2021295,027326,721-31.7K-9.7%240.7K1.23
June 30, 2021326,721340,073-13.4K-3.9%299.1K1.09
June 15, 2021340,073972,044-632.0K-65.0%371.5K1

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