ShortInterestHistory.com

FSM Short Interest History

FSM Short Interest (May 29, 2026 Update)
Short interest for FSM was 17.0M as of May 29, 2026, -4.9% from the prior report.
This page tracks FSM short interest over time, including historical values, changes between reports, and days to cover.

Fortuna Mining Corp. | FSM | NYSE | Latest report: May 29, 2026

Current Short Interest17.0M
Prior Short Interest17.9M
Change Shares-880.9K
Change %-4.9%
Average Daily Volume4.5M
Days to Cover3.76

At the latest settlement date of May 29, 2026, Fortuna Mining Corp. (FSM) showed reported short interest of 17,039,746 shares. That compared with 17,920,667 shares in the prior report, a change of -880.9K shares, or -4.9%. The latest reported days to cover was 3.76, based on average daily volume of 4.5M.

The historical data currently tracked for FSM includes 117 reported entries from June 15, 2021 to May 29, 2026. Over that span, reported short interest has ranged from 2.4M to 23.3M shares.

Short Interest Over Time

Days to Cover Over Time

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

Short Interest History for FSM

Settlement DateShort InterestPrior Short InterestChange SharesChange %Average Daily VolumeDays to Cover
May 29, 202617,039,74617,920,667-880.9K-4.9%4.5M3.76
May 15, 202617,920,66718,098,803-178.1K-1.0%6.5M2.77
April 30, 202618,098,80317,160,639938.2K+5.5%4.8M3.74
April 15, 202617,160,63916,326,499834.1K+5.1%6.9M2.49
March 31, 202616,326,49918,478,547-2.2M-11.6%8.9M1.83
March 13, 202618,478,54717,693,538785.0K+4.4%6.3M2.94
February 27, 202617,693,53819,263,618-1.6M-8.2%8.9M1.98
February 13, 202619,263,61818,996,389267.2K+1.4%8.2M2.36
January 30, 202618,996,38917,898,8441.1M+6.1%9.8M1.94
January 15, 202617,898,84417,569,593329.3K+1.9%7.6M2.35
December 31, 202517,569,59316,538,3161.0M+6.2%7.0M2.53
December 15, 202516,538,31614,323,4072.2M+15.5%7.1M2.32
November 28, 202514,323,40721,804,409-7.5M-34.3%7.5M1.9
November 14, 202522,029,94923,060,151-1.0M-4.5%12.2M1.81
October 31, 202523,060,15122,973,35286.8K+0.4%13.2M1.75
October 15, 202522,973,35225,335,382-2.4M-9.3%21.2M1.08
September 15, 202520,704,07118,698,7742.0M+10.7%20.0M1.03
August 29, 202518,698,77418,775,522-76.7K-0.4%12.8M1.46
August 15, 202518,775,52216,800,2412.0M+11.8%13.0M1.45
July 31, 202516,800,24119,025,017-2.2M-11.7%10.8M1.55
July 15, 202519,025,01721,184,147-2.2M-10.2%13.1M1.46
June 30, 202521,184,14721,876,999-692.9K-3.2%13.9M1.53
June 13, 202521,876,99916,848,7595.0M+29.8%22.9M1
May 30, 202516,848,75917,543,704-694.9K-4.0%16.0M1.05
May 15, 202517,543,70418,171,659-628.0K-3.5%16.2M1.09
April 30, 202518,171,65919,098,358-926.7K-4.9%13.8M1.32
April 15, 202519,098,35823,261,546-4.2M-17.9%16.3M1.17
March 31, 202523,261,54618,216,3345.0M+27.7%15.0M1.55
February 28, 202518,113,37915,509,0952.6M+16.8%17.9M1.01
February 14, 202515,509,09512,796,2972.7M+21.2%14.1M1.1
January 31, 202512,796,29713,258,136-461.8K-3.5%13.1M1
January 15, 202513,258,13612,975,780282.4K+2.2%10.3M1.29
December 31, 202412,975,78013,823,568-847.8K-6.1%8.6M1.5
December 13, 202413,823,56814,275,346-451.8K-3.2%10.3M1.35
November 29, 202414,275,34614,659,374-384.0K-2.6%6.9M2.06
November 15, 202414,659,37413,248,7601.4M+10.6%7.5M1.95
October 31, 202413,248,76011,800,5851.4M+12.3%7.6M1.75
October 15, 202411,800,58511,586,859213.7K+1.8%7.2M1.64
September 30, 202411,586,85910,426,4151.2M+11.1%8.5M1.36
September 13, 202410,426,41511,290,684-864.3K-7.7%6.0M1.72
August 30, 202411,290,68411,066,287224.4K+2.0%5.0M2.25
August 15, 202411,066,28710,471,563594.7K+5.7%5.1M2.18
July 31, 202410,471,56311,598,335-1.1M-9.7%4.1M2.52
July 15, 202411,598,3358,977,3882.6M+29.2%5.8M2.01
June 28, 20248,977,38812,539,862-3.6M-28.4%4.9M1.83
June 14, 202412,539,8624,970,2627.6M+152.3%11.5M1.09
May 31, 20244,970,2624,002,173968.1K+24.2%7.7M1
May 15, 20244,002,1734,282,845-280.7K-6.6%7.3M1
April 30, 20244,282,8454,347,306-64.5K-1.5%5.7M1
April 15, 20244,347,3065,356,473-1.0M-18.8%9.4M1
March 28, 20245,356,4735,190,207166.3K+3.2%4.4M1.23
March 15, 20245,190,2073,774,5071.4M+37.5%6.9M1
February 29, 20243,774,5073,755,11319.4K+0.5%3.9M1
February 15, 20243,755,1132,734,6601.0M+37.3%4.2M1
January 31, 20242,734,6602,666,80367.9K+2.5%5.3M1
December 29, 20232,440,2832,910,648-470.4K-16.2%4.2M1
December 15, 20232,910,6485,077,680-2.2M-42.7%5.2M1
November 30, 20235,077,6804,129,996947.7K+22.9%5.4M1
November 15, 20234,129,9967,130,211-3.0M-42.1%4.9M1
October 31, 20237,130,2118,905,926-1.8M-19.9%3.8M1.87
October 13, 20238,905,9268,532,923373.0K+4.4%3.0M2.93
September 29, 20238,532,9237,623,446909.5K+11.9%2.3M3.79
September 15, 20237,623,4467,469,593153.9K+2.1%2.1M3.68
August 31, 20237,469,5936,547,860921.7K+14.1%2.5M2.94
August 15, 20236,547,8606,010,577537.3K+8.9%3.0M2.21
July 31, 20236,010,5775,188,099822.5K+15.9%2.7M2.24
July 14, 20235,188,0995,798,319-610.2K-10.5%3.1M1.67
June 30, 20235,798,3194,348,7591.4M+33.3%2.3M2.5
June 15, 20234,348,7593,352,676996.1K+29.7%2.8M1.58
May 31, 20233,352,6763,712,155-359.5K-9.7%2.7M1.25
May 15, 20233,712,1553,565,944146.2K+4.1%3.4M1.09
April 28, 20233,565,9444,136,644-570.7K-13.8%2.7M1.3
April 14, 20234,136,6446,377,985-2.2M-35.1%4.1M1.01
March 31, 20236,377,9853,922,0422.5M+62.6%4.6M1.38
March 15, 20233,922,0423,427,019495.0K+14.4%3.4M1.15
February 28, 20233,427,0193,755,815-328.8K-8.8%2.5M1.37
February 15, 20233,755,8154,653,666-897.9K-19.3%3.5M1.08
January 31, 20234,653,6664,984,121-330.5K-6.6%5.1M1
January 13, 20234,984,1215,368,530-384.4K-7.2%4.7M1.07
December 30, 20225,368,5306,036,339-667.8K-11.1%4.0M1.35
December 15, 20226,036,3398,930,308-2.9M-32.4%6.1M1
November 30, 20228,930,30811,792,279-2.9M-24.3%4.1M2.2
November 15, 202211,792,27911,891,635-99.4K-0.8%5.8M2.05
October 31, 202211,891,63513,002,491-1.1M-8.5%3.6M3.31
October 14, 202213,002,49112,798,852203.6K+1.6%7.0M1.87
September 30, 202212,798,85214,931,934-2.1M-14.3%5.0M2.56
September 15, 202214,931,93414,056,295875.6K+6.2%3.8M3.92
August 31, 202214,056,29515,430,121-1.4M-8.9%4.5M3.12
August 15, 202215,430,12114,660,698769.4K+5.2%4.7M3.27
July 29, 202214,660,69812,012,0762.6M+22.0%5.4M2.73
July 15, 202212,012,07610,683,0981.3M+12.4%5.5M2.2
June 30, 202210,683,09810,015,842667.3K+6.7%4.9M2.16
June 15, 202210,015,84210,444,404-428.6K-4.1%5.7M1.76
May 31, 202210,444,40410,701,720-257.3K-2.4%5.0M2.11
May 13, 202210,701,7209,939,570762.1K+7.7%7.1M1.51
April 29, 20229,939,5708,973,878965.7K+10.8%5.7M1.74
April 14, 20228,973,8789,716,207-742.3K-7.6%5.4M1.65
March 31, 20229,716,20710,672,438-956.2K-9.0%6.7M1.45
March 15, 202210,672,43810,154,104518.3K+5.1%7.8M1.37
February 28, 202210,154,1049,799,497354.6K+3.6%5.6M1.81
February 15, 20229,799,49710,721,957-922.5K-8.6%4.1M2.38
January 31, 202210,721,95710,605,925116.0K+1.1%4.8M2.22
January 14, 202210,605,92511,199,813-593.9K-5.3%3.0M3.55
December 31, 202111,199,81311,121,94277.9K+0.7%5.3M2.09
December 15, 202111,121,94211,432,483-310.5K-2.7%5.0M2.21
November 30, 202111,432,48311,200,458232.0K+2.1%5.2M2.18
November 15, 202111,200,45810,027,0151.2M+11.7%8.1M1.39
October 29, 202110,027,01510,260,639-233.6K-2.3%3.8M2.66
October 15, 202110,260,63910,598,234-337.6K-3.2%3.4M3
September 30, 202110,598,23411,670,165-1.1M-9.2%4.9M2.16
September 15, 202111,670,16511,362,183308.0K+2.7%4.3M2.71
August 31, 202111,362,18311,423,564-61.4K-0.5%3.6M3.17
August 13, 202111,423,56410,199,6151.2M+12.0%3.3M3.46
July 30, 202110,199,6157,473,8902.7M+36.5%5.1M2
July 15, 20217,473,89022,702,579-15.2M-67.1%4.4M1.68
June 30, 202122,702,57919,630,5523.1M+15.6%3.6M6.28
June 15, 202119,630,55214,847,3824.8M+32.2%2.7M7.19

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