QSI

Quantum-Si Inc

Company with tickers: QSI, QSIAW

CIK
1816431
CUSIP
74765K105
Shares Outstanding
197,822,663
13F Activity (30d)
120 filings 118 filers

Short Volume (Last 90 Days)

Date Short Volume Short Exempt Total Volume Short %
2026-06-01 1,036,301 0 4,988,775 20.8%
2026-05-29 1,390,858 8,434 4,702,370 29.6%
2026-05-28 1,241,864 1,250 4,441,877 28.0%
2026-05-27 2,115,745 2,460 5,665,476 37.3%
2026-05-26 2,020,313 11,182 5,206,732 38.8%
2026-05-22 2,114,337 3,211 6,020,038 35.1%
2026-05-21 4,120,921 300 7,804,828 52.8%
2026-05-20 1,717,358 1,000 3,306,989 51.9%
2026-05-19 1,299,182 100 2,181,578 59.6%
2026-05-18 1,967,851 20,005 3,137,485 62.7%
2026-05-15 1,800,380 1,839 2,526,949 71.2%
2026-05-14 1,690,860 43,898 3,182,129 53.1%
2026-05-13 1,627,063 762 3,287,138 49.5%
2026-05-12 4,100,471 14,570 7,022,113 58.4%
2026-05-11 2,092,575 232,728 3,847,487 54.4%
2026-05-08 7,303,255 640,228 9,620,737 75.9%
2026-05-07 3,024,901 49,007 4,879,936 62.0%
2026-05-06 3,789,733 10,361 6,182,128 61.3%
2026-05-05 954,115 10,689 1,664,692 57.3%
2026-05-04 1,016,176 87,738 1,930,765 52.6%
2026-05-01 1,444,468 5,313 2,421,428 59.7%
2026-04-30 5,102,767 24,081 9,132,546 55.9%
2026-04-29 1,335,321 10,248 2,233,402 59.8%
2026-04-28 1,098,357 37,000 1,906,781 57.6%
2026-04-27 1,090,405 32,429 1,669,116 65.3%
2026-04-24 4,051,629 473,965 5,582,399 72.6%
2026-04-23 3,393,656 186,946 5,092,911 66.6%
2026-04-22 5,322,947 10,414 8,664,888 61.4%
2026-04-21 1,787,239 26,440 3,155,674 56.6%
2026-04-20 2,856,511 3,009 5,335,528 53.5%
2026-04-17 2,026,316 2,049 4,089,700 49.5%
2026-04-16 1,789,993 2,585 3,897,965 45.9%
2026-04-15 7,097,407 17,109 13,080,157 54.3%
2026-04-14 1,087,986 13,793 1,941,001 56.1%
2026-04-13 884,386 3,745 1,699,485 52.0%
2026-04-10 569,153 0 992,334 57.4%
2026-04-09 1,031,126 0 1,622,634 63.5%
2026-04-08 944,986 15,426 1,931,987 48.9%
2026-04-07 1,179,873 10 2,093,827 56.4%
2026-04-06 724,713 24,748 1,089,119 66.5%