UPB · Upstream Bio, Inc.
$6.41
+0.01 (+0.16%)
At close · Jul 29
Market Cap
$348.29M
Shares
54.42M
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.
Short Volume
| Date | Short Volume | Short Exempt | Total Volume | Short % |
|---|---|---|---|---|
| 2026-07-29 | 94,733 | 0 | 232,958 | 40.7% |
| 2026-07-28 | 37,925 | 0 | 140,182 | 27.1% |
| 2026-07-27 | 106,202 | 0 | 174,885 | 60.7% |
| 2026-07-24 | 107,245 | 0 | 214,335 | 50.0% |
| 2026-07-23 | 180,337 | 0 | 277,681 | 64.9% |
| 2026-07-22 | 153,312 | 0 | 252,794 | 60.6% |
| 2026-07-21 | 40,813 | 0 | 109,987 | 37.1% |
| 2026-07-20 | 110,784 | 100 | 170,406 | 65.0% |
| 2026-07-17 | 51,978 | 0 | 95,397 | 54.5% |
| 2026-07-16 | 76,284 | 0 | 146,425 | 52.1% |
| 2026-07-15 | 48,120 | 0 | 87,735 | 54.8% |
| 2026-07-14 | 46,613 | 0 | 102,973 | 45.3% |
| 2026-07-13 | 40,136 | 0 | 91,320 | 44.0% |
| 2026-07-10 | 56,779 | 0 | 117,183 | 48.5% |
| 2026-07-09 | 39,669 | 0 | 123,584 | 32.1% |
| 2026-07-08 | 83,901 | 0 | 191,894 | 43.7% |
| 2026-07-07 | 84,161 | 0 | 245,476 | 34.3% |
| 2026-07-06 | 42,469 | 0 | 126,515 | 33.6% |
| 2026-07-02 | 43,703 | 0 | 119,115 | 36.7% |
| 2026-07-01 | 77,606 | 212 | 216,511 | 35.8% |
| 2026-06-30 | 106,540 | 0 | 180,069 | 59.2% |
| 2026-06-29 | 136,736 | 474 | 277,905 | 49.2% |
| 2026-06-26 | 71,221 | 154 | 156,735 | 45.4% |
| 2026-06-25 | 77,517 | 0 | 172,354 | 45.0% |
| 2026-06-24 | 128,989 | 0 | 297,876 | 43.3% |
| 2026-06-23 | 110,901 | 0 | 259,093 | 42.8% |
| 2026-06-22 | 73,407 | 0 | 369,797 | 19.9% |
| 2026-06-18 | 49,793 | 9 | 226,759 | 22.0% |
| 2026-06-17 | 99,796 | 0 | 287,868 | 34.7% |
| 2026-06-16 | 38,368 | 118 | 132,800 | 28.9% |
| 2026-06-15 | 78,936 | 197 | 205,631 | 38.4% |
| 2026-06-12 | 247,772 | 0 | 431,571 | 57.4% |
| 2026-06-11 | 121,286 | 121 | 297,548 | 40.8% |
| 2026-06-10 | 85,808 | 1,002 | 156,394 | 54.9% |
| 2026-06-09 | 102,289 | 88 | 209,391 | 48.9% |
| 2026-06-08 | 122,432 | 57 | 302,512 | 40.5% |
| 2026-06-05 | 112,866 | 1 | 272,859 | 41.4% |
| 2026-06-04 | 119,725 | 0 | 254,199 | 47.1% |
| 2026-06-03 | 75,291 | 1,582 | 256,756 | 29.3% |
| 2026-06-02 | 113,688 | 12,168 | 245,004 | 46.4% |
| 2026-06-01 | 100,793 | 188 | 237,958 | 42.4% |
| 2026-05-29 | 35,901 | 0 | 203,598 | 17.6% |
| 2026-05-28 | 28,612 | 0 | 125,074 | 22.9% |
| 2026-05-27 | 32,739 | 0 | 160,406 | 20.4% |
| 2026-05-26 | 95,583 | 0 | 216,760 | 44.1% |
| 2026-05-22 | 18,498 | 0 | 94,042 | 19.7% |
| 2026-05-21 | 49,392 | 0 | 275,554 | 17.9% |
| 2026-05-20 | 65,258 | 221 | 239,598 | 27.2% |
| 2026-05-19 | 97,906 | 798 | 361,188 | 27.1% |
| 2026-05-18 | 63,829 | 2,092 | 181,624 | 35.1% |
Showing 1–50 of 62 days
Key facts
CIK
2022626
CUSIP
91678A107
13F (30d)
15 filings
15 filers
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