HTFL · Heartflow, Inc.
$24.61
+0.38 (+1.57%)
At close · Jul 23
Market Cap
$2.12B
Shares
86.24M
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
58/100
Short interest 6.0% of shares — P78
Days to cover 1.7 — P41
Price vs VWAP -19.2% — P17
Short-volume trend +6.5% — P74
Short interest change +22.9% — P79
Worst FTD 0.02% of shares — P52
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-06-30 | 5,177,499 | 4,214,484 | +963,015 | 1.74 |
| 2026-06-15 | 4,214,484 | 3,635,764 | +578,720 | 3.67 |
| 2026-05-29 | 3,635,764 | 3,478,053 | +157,711 | 2.90 |
| 2026-05-15 | 3,478,053 | 4,358,950 | -880,897 | 3.31 |
| 2026-04-30 | 4,358,950 | 5,546,436 | -1,187,486 | 3.88 |
| 2026-04-15 | 5,546,436 | 6,011,764 | -465,328 | 4.60 |
| 2026-03-31 | 6,011,764 | 5,561,027 | +450,737 | 3.05 |
| 2026-03-13 | 5,561,027 | 5,453,610 | +107,417 | 5.15 |
| 2026-02-27 | 5,453,610 | 4,560,254 | +893,356 | 4.39 |
| 2026-02-13 | 4,560,254 | 4,951,283 | -391,029 | 1.65 |
| 2026-01-30 | 4,951,283 | 3,476,809 | +1,474,474 | 5.87 |
| 2026-01-15 | 3,476,809 | 3,162,641 | +314,168 | 4.19 |
| 2025-12-31 | 3,162,641 | 1,448,787 | +1,713,854 | 3.06 |
| 2025-12-15 | 1,448,787 | 1,219,620 | +229,167 | 2.88 |
| 2025-11-28 | 1,219,620 | 1,102,016 | +117,604 | 1.76 |
| 2025-11-14 | 1,102,016 | 484,255 | +617,761 | 2.21 |
| 2025-10-31 | 484,255 | 401,399 | +82,856 | 2.00 |
| 2025-10-15 | 401,399 | 766,554 | -365,155 | 1.04 |
| 2025-09-30 | 766,554 | 595,908 | +170,646 | 1.71 |
| 2025-09-15 | 595,908 | 545,224 | +50,684 | 1.85 |
| 2025-08-29 | 545,224 | 463,100 | +82,124 | 1.51 |
| 2025-08-15 | 463,100 | 0 | +463,100 | 1.00 |
Showing 1–22 of 22 settlements
Key facts
CIK
1464521
CUSIP
42238D107
13F (30d)
16 filings
16 filers
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