ShortInterestHistory.com

GRAL Short Interest History

GRAIL, Inc. Common Stock | GRAL | Nasdaq | Latest report: February 27, 2026

Current Short Interest6.3M
Prior Short Interest5.5M
Change Shares833.7K
Change %+15.3%
Average Daily Volume3.3M
Days to Cover1.89

GRAIL, Inc. Common Stock (GRAL) had reported short interest of 6,297,057 shares at the latest settlement date of February 27, 2026, compared with 5,463,389 shares in the prior report. That was a change of 833.7K shares, or +15.3%. Based on reported average daily volume of 3.3M, the latest days-to-cover reading was 1.89.

ShortInterestHistory.com currently tracks 39 report entries for GRAL, covering the period from June 28, 2024 through February 27, 2026. Reported short interest during that stretch ranged from 2.3M to 6.3M shares.

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Short Interest Over Time

Days to Cover Over Time

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

Short Interest History for GRAL

Settlement DateShort InterestPrior Short InterestChange SharesChange %Average Daily VolumeDays to Cover
February 27, 20266,297,0575,463,389833.7K+15.3%3.3M1.89
February 13, 20265,463,3895,087,841375.5K+7.4%630.6K8.66
January 30, 20265,087,8415,368,856-281.0K-5.2%960.5K5.3
January 15, 20265,368,8565,203,861165.0K+3.2%692.8K7.75
December 31, 20255,203,8614,730,136473.7K+10.0%779.2K6.68
December 15, 20254,730,1365,331,628-601.5K-11.3%893.4K5.29
November 28, 20255,331,6285,444,402-112.8K-2.1%1.5M3.67
November 14, 20255,444,4025,416,36628.0K+0.5%988.9K5.51
October 31, 20255,416,3664,782,809633.6K+13.2%1.3M4.09
October 15, 20254,782,8094,987,028-204.2K-4.1%1.0M4.67
September 15, 20254,471,3664,836,919-365.6K-7.6%760.1K5.88
August 29, 20254,836,9194,552,718284.2K+6.2%606.8K7.97
August 15, 20254,552,7184,809,728-257.0K-5.3%919.2K4.95
July 31, 20254,809,7285,524,636-714.9K-12.9%1.1M4.4
July 15, 20255,524,6366,199,760-675.1K-10.9%1.1M5.25
June 30, 20256,199,7605,958,030241.7K+4.1%1.7M3.72
June 13, 20255,958,0305,907,65650.4K+0.8%1.4M4.13
May 30, 20255,907,6566,194,230-286.6K-4.6%1.3M4.54
May 15, 20256,194,2305,589,469604.8K+10.8%1.8M3.43
April 30, 20255,589,4695,382,758206.7K+3.8%1.2M4.7
April 15, 20255,382,7584,808,470574.3K+11.9%1.3M4.16
March 31, 20254,808,4703,471,9051.3M+38.5%1.0M4.7
February 28, 20253,638,6744,638,057-999.4K-21.6%2.2M1.69
February 14, 20254,638,0575,304,834-666.8K-12.6%1.7M2.71
January 31, 20255,304,8346,202,398-897.6K-14.5%1.4M3.77
January 15, 20256,202,3985,814,493387.9K+6.7%685.4K9.05
December 31, 20245,814,4934,896,099918.4K+18.8%1.2M4.83
December 13, 20244,896,0994,383,291512.8K+11.7%1.0M4.68
November 29, 20244,383,2913,780,404602.9K+15.9%709.3K6.18
November 15, 20243,780,4043,534,327246.1K+7.0%647.8K5.84
October 31, 20243,534,3273,311,754222.6K+6.7%456.7K7.74
October 15, 20243,311,7543,343,255-31.5K-0.9%566.1K5.85
September 30, 20243,343,2553,317,45625.8K+0.8%935.8K3.57
September 13, 20243,317,4563,205,034112.4K+3.5%1.0M3.21
August 30, 20243,205,0343,182,60022.4K+0.7%831.4K3.85
August 15, 20243,182,6003,393,157-210.6K-6.2%855.5K3.72
July 31, 20243,393,1573,104,556288.6K+9.3%1.4M2.45
July 15, 20243,104,5562,285,277819.3K+35.9%1.6M1.93
June 28, 20242,285,2774,2002.3M+54311.4%3.0M1

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