HTFL · Heartflow, Inc. · Off Exchange
$49.32
+0.41 (+0.84%)
At close · Oct 2
Return incl. dividend (before tax)
Market Cap
$4.28B
Shares
86.95M
Volume · Oct 2
1.64M
Avg daily vol (3M)
1.75M
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-08-31 | 2,044,053 | 1,613,525 | 3,657,578 | 40.9% |
| 2026-08-24 | 2,657,006 | 1,014,386 | 3,671,392 | 42.6% |
| 2026-08-17 | 4,718,372 | 2,252,128 | 6,970,500 | 44.5% |
| 2026-08-10 | 3,907,196 | 2,264,815 | 6,172,011 | 43.1% |
| 2026-08-03 | 1,107,732 | 515,629 | 1,623,361 | 44.8% |
| 2026-07-27 | 1,902,237 | 872,400 | 2,774,637 | 48.4% |
| 2026-07-20 | 1,649,535 | 832,530 | 2,482,065 | 48.9% |
| 2026-07-13 | 1,522,043 | 1,258,503 | 2,780,546 | 46.1% |
| 2026-07-06 | 2,169,932 | 591,265 | 2,761,197 | 44.4% |
| 2026-06-29 | 3,518,267 | 967,102 | 4,485,369 | 43.0% |
| 2026-06-22 | 3,414,367 | 3,702,366 | 7,116,733 | 38.5% |
| 2026-06-15 | 1,533,806 | 593,174 | 2,126,980 | 34.3% |
| 2026-06-08 | 2,094,444 | 522,778 | 2,617,222 | 42.0% |
| 2026-06-01 | 1,831,149 | 662,198 | 2,493,347 | 45.5% |
| 2026-05-25 | 1,446,544 | 501,089 | 1,947,633 | 38.9% |
| 2026-05-18 | 2,271,276 | 590,188 | 2,861,464 | 44.3% |
| 2026-05-11 | 2,377,615 | 592,805 | 2,970,420 | 46.1% |
| 2026-05-04 | 1,325,857 | 434,081 | 1,759,938 | 43.8% |
| 2026-04-27 | 1,468,480 | 1,909,893 | 3,378,373 | 55.2% |
| 2026-04-20 | 1,927,209 | 494,864 | 2,422,073 | 43.4% |
| 2026-04-13 | 1,817,253 | 517,034 | 2,334,287 | 42.0% |
| 2026-04-06 | 1,587,179 | 441,815 | 2,028,994 | 39.5% |
| 2026-03-30 | 2,790,330 | 389,970 | 3,180,300 | 46.1% |
| 2026-03-23 | 2,727,784 | 553,160 | 3,280,944 | 39.6% |
| 2026-03-16 | 3,541,097 | 987,353 | 4,528,450 | 36.0% |
| 2026-03-09 | 1,926,200 | 769,132 | 2,695,332 | 44.7% |
| 2026-03-02 | 1,797,464 | 403,039 | 2,200,503 | 44.5% |
| 2026-02-23 | 1,967,698 | 453,549 | 2,421,247 | 43.0% |
| 2026-02-16 | 2,329,672 | 713,365 | 3,043,037 | 43.8% |
| 2026-02-09 | 3,825,738 | 2,352,496 | 6,178,234 | 49.0% |
| 2026-02-02 | 4,940,186 | 2,295,689 | 7,235,875 | 46.1% |
| 2026-01-26 | 1,693,505 | 282,111 | 1,975,616 | 42.5% |
| 2026-01-19 | 1,167,594 | 214,091 | 1,381,685 | 43.4% |
| 2026-01-12 | 1,957,733 | 586,155 | 2,543,888 | 50.6% |
| 2026-01-05 | 1,079,558 | 503,052 | 1,582,610 | 47.3% |
| 2025-12-29 | 885,250 | 684,556 | 1,569,806 | 50.4% |
| 2025-12-22 | 1,145,569 | 316,140 | 1,461,709 | 49.5% |
| 2025-12-15 | 1,251,421 | 1,267,322 | 2,518,743 | 37.5% |
| 2025-12-08 | 760,772 | 238,382 | 999,154 | 42.2% |
| 2025-12-01 | 1,064,916 | 228,540 | 1,293,456 | 46.2% |
| 2025-11-24 | 513,735 | 210,459 | 724,194 | 36.1% |
| 2025-11-17 | 1,732,752 | 312,940 | 2,045,692 | 47.2% |
| 2025-11-10 | 1,408,428 | 476,335 | 1,884,763 | 47.7% |
| 2025-11-03 | 340,742 | 168,491 | 509,233 | 44.8% |
| 2025-10-27 | 231,123 | 189,876 | 420,999 | 41.7% |
| 2025-10-20 | 581,217 | 308,876 | 890,093 | 52.8% |
| 2025-10-13 | 251,273 | 245,799 | 497,072 | 48.7% |
| 2025-10-06 | 448,813 | 318,122 | 766,935 | 45.5% |
Showing 1–48 of 48 weeks