QSI

Quantum-Si Inc

Company with tickers: QSI, QSIAW

CIK
1816431
CUSIP
74765K105
Shares Outstanding
196,431,273

Short Interest History

Settlement Date Current Position Previous Position Change Days to Cover
2026-03-31 22,143,189 21,512,748 +630,441 7.21
2026-03-13 21,512,748 21,136,226 +376,522 5.19
2026-02-27 21,136,226 21,342,481 -206,255 8.03
2026-02-13 21,342,481 18,855,768 +2,486,713 4.23
2026-01-30 18,855,768 19,325,866 -470,098 3.91
2026-01-15 19,325,866 19,264,903 +60,963 3.65
2025-12-31 19,264,903 19,324,219 -59,316 3.63
2025-12-15 19,324,219 18,837,920 +486,299 4.74
2025-11-28 18,837,920 15,785,926 +3,051,994 3.98
2025-11-14 15,785,926 16,953,953 -1,168,027 2.13
2025-10-31 16,953,953 19,939,017 -2,985,064 1.08
2025-10-15 19,939,017 21,940,146 -2,001,129 1.02
2025-09-30 21,940,146 21,990,498 -50,352 1.41
2025-09-15 21,990,498 22,446,391 -455,893 4.44
2025-08-29 22,446,391 23,443,511 -997,120 3.71
2025-08-15 23,443,511 21,814,094 +1,629,417 3.35
2025-07-31 21,814,094 23,451,633 -1,637,539 2.92
2025-07-15 23,451,633 23,998,879 -547,246 2.83
2025-06-30 23,998,879 23,830,739 +168,140 2.63
2025-06-13 23,830,739 24,156,253 -325,514 3.50
2025-05-30 24,156,253 23,495,642 +660,611 1.45
2025-05-15 23,495,642 22,869,044 +626,598 4.41
2025-04-30 22,869,044 22,923,957 -54,913 9.19
2025-04-15 22,923,957 20,566,034 +2,357,923 6.50