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HTFL · Heartflow, Inc. · Short Volume

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$55.59 +4.57 (+8.96%) At close · Oct 20
Russell 2000 member Rebalance outlook locked
Market Cap
$4.83B
Shares
86.95M
Volume · Oct 20 3.02M Avg daily vol (3M) 1.85M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

Pull daily short volume through the short interest API or MCP →
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    • Short Volume

    Date Short Volume Short Exempt Total Volume Short %
    2026-10-20 794,822 19,148 1,339,472 59.3%
    2026-10-19 343,615 1,664 602,364 57.0%
    2026-10-16 163,310 4,632 313,813 52.0%
    2026-10-15 318,873 1,388 514,806 61.9%
    2026-10-14 176,591 156 327,080 54.0%
    2026-10-13 173,041 150 470,390 36.8%
    2026-10-12 252,819 3,981 457,928 55.2%
    2026-10-09 219,914 31 342,496 64.2%
    2026-10-08 284,811 2,670 726,683 39.2%
    2026-10-07 263,015 761 483,099 54.4%
    2026-10-06 661,556 6,833 1,229,215 53.8%
    2026-10-05 594,609 501 1,007,520 59.0%
    2026-10-02 253,094 21 696,611 36.3%
    2026-10-01 167,802 120 423,105 39.7%
    2026-09-30 131,416 1 319,191 41.2%
    2026-09-29 139,648 400 354,118 39.4%
    2026-09-28 87,055 1,045 260,795 33.4%
    2026-09-25 120,254 2 298,938 40.2%
    2026-09-24 86,871 0 291,712 29.8%
    2026-09-23 254,218 5,042 894,742 28.4%
    2026-09-22 190,770 0 498,404 38.3%
    2026-09-21 245,079 71 500,550 49.0%
    2026-09-18 625,282 4,028 1,343,508 46.5%
    2026-09-17 257,297 4,714 570,752 45.1%
    2026-09-16 253,152 200 490,349 51.6%
    2026-09-15 214,299 415 508,684 42.1%
    2026-09-14 216,158 1,421 628,424 34.4%
    2026-09-11 510,071 23,460 951,365 53.6%
    2026-09-10 140,940 4,895 487,333 28.9%
    2026-09-09 180,234 1,100 654,115 27.6%
    2026-09-08 368,324 21,874 1,302,327 28.3%
    2026-09-04 199,249 7,179 571,453 34.9%
    2026-09-03 152,323 22,891 424,626 35.9%
    2026-09-02 195,895 1,089 625,780 31.3%
    2026-09-01 244,828 107 575,533 42.5%
    2026-08-31 238,170 1 676,299 35.2%
    2026-08-28 131,311 24 607,880 21.6%
    2026-08-27 167,613 2,045 478,096 35.1%
    2026-08-26 152,006 58 568,729 26.7%
    2026-08-25 189,188 309 813,184 23.3%
    2026-08-24 290,792 1,423 1,068,983 27.2%
    2026-08-21 271,949 700 1,105,727 24.6%
    2026-08-20 266,558 348 999,130 26.7%
    2026-08-19 379,919 292 1,379,684 27.5%
    2026-08-18 518,997 914 1,702,095 30.5%
    2026-08-17 308,409 103 1,729,652 17.8%
    2026-08-14 1,236,336 1,479 4,334,204 28.5%
    2026-08-13 262,954 18,810 596,329 44.1%
    2026-08-12 201,150 20 440,747 45.6%
    2026-08-11 127,791 1,387 218,200 58.6%
    Showing 1–50 of 65 days
    Key facts CIK 1464521 CUSIP 42238D107 13F (30d) 22 filings 22 filers Visit website Investor relations