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Upstream Bio Stock Short Interest Report | NASDAQ:UPB | Benzinga
Short interest in Upstream Bio Inc (NASDAQ:UPB) decreased during the last reporting period, falling from 3.34M to 2.93M. This put 9.77% of the company's publicly available shares short.
Based on the recent average volume of 371.55K shares traded per day, it would take 7.88 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.
Short Interest
2.93M
Short Interest %
9.77%
Days to Cover
7.88
Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|
UPB | Upstream Bio, Inc. Common Stoc | 10/31/2025 | 11/11/2025 | 9.77% | 29,980,816 | 2,929,476 | 371,545 | 7.88 | |
UPB | Upstream Bio, Inc. Common Stoc | 10/15/2025 | 10/24/2025 | 11.18% | 29,851,652 | 3,336,913 | 324,798 | 10.27 | |
UPB | Upstream Bio, Inc. Common Stoc | 09/30/2025 | 10/09/2025 | 11.94% | 29,851,652 | 3,564,217 | 553,826 | 6.44 | |
UPB | Upstream Bio, Inc. Common Stoc | 09/15/2025 | 09/24/2025 | 10.09% | 29,851,652 | 3,011,653 | 662,706 | 4.54 | |
UPB | Upstream Bio, Inc. Common Stoc | 08/29/2025 | 09/10/2025 | 10.38% | 29,851,652 | 3,097,969 | 352,910 | 8.78 | |
UPB | Upstream Bio, Inc. Common Stoc | 08/15/2025 | 08/26/2025 | 10.59% | 29,851,652 | 3,160,080 | 491,406 | 6.43 | |
UPB | Upstream Bio, Inc. Common Stoc | 07/31/2025 | 08/11/2025 | 10.32% | 29,851,652 | 3,080,800 | 536,114 | 5.75 | |
UPB | Upstream Bio, Inc. Common Stoc | 07/15/2025 | 07/24/2025 | 12.72% | 29,735,928 | 3,781,146 | 267,653 | 14.13 | |
UPB | Upstream Bio, Inc. Common Stoc | 06/30/2025 | 07/10/2025 | 13.82% | 29,735,928 | 4,109,973 | 718,695 | 5.72 | |
UPB | Upstream Bio, Inc. Common Stoc | 06/13/2025 | 06/25/2025 | 12.14% | 29,735,928 | 3,610,360 | 358,842 | 10.06 | |
UPB | Upstream Bio, Inc. Common Stoc | 05/30/2025 | 06/10/2025 | 12.39% | 29,735,928 | 3,685,383 | 386,027 | 9.55 | |
UPB | Upstream Bio, Inc. Common Stoc | 05/15/2025 | 05/27/2025 | 12.60% | 29,735,928 | 3,746,059 | 362,949 | 10.32 | |
UPB | Upstream Bio, Inc. Common Stoc | 04/30/2025 | 05/09/2025 | 13.25% | 29,735,928 | 3,940,057 | 296,778 | 13.28 | |
UPB | Upstream Bio, Inc. Common Stoc | 04/15/2025 | 04/25/2025 | 13.73% | 29,630,928 | 4,067,418 | 299,907 | 13.56 | |
UPB | Upstream Bio, Inc. Common Stoc | 03/31/2025 | 04/09/2025 | — | — | 3,895,476 | 250,957 | 15.52 | |
UPB | Upstream Bio, Inc. Common Stoc | 03/14/2025 | 03/25/2025 | — | — | 3,712,999 | 231,283 | 16.05 | |
UPB | Upstream Bio, Inc. Common Stoc | 02/28/2025 | 03/11/2025 | — | — | 3,702,588 | 212,383 | 17.43 | |
UPB | Upstream Bio, Inc. Common Stoc | 02/14/2025 | 02/26/2025 | — | — | 3,462,980 | 292,627 | 11.83 | |
UPB | Upstream Bio, Inc. Common Stoc | 01/31/2025 | 02/11/2025 | — | — | 2,717,049 | 240,686 | 11.29 | |
UPB | Upstream Bio, Inc. Common Stoc | 01/15/2025 | 01/27/2025 | — | — | 2,392,790 | 254,444 | 9.4 | |
UPB | Upstream Bio, Inc. Common Stoc | 12/31/2024 | 01/10/2025 | — | — | 2,302,003 | 645,702 | 3.57 | |
UPB | Upstream Bio, Inc. Common Stoc | 12/13/2024 | 12/24/2024 | — | — | 1,217,828 | 231,829 | 5.25 | |
UPB | Upstream Bio, Inc. Common Stoc | 11/29/2024 | 12/10/2024 | — | — | 1,205,876 | 246,933 | 4.88 | |
UPB | Upstream Bio, Inc. Common Stoc | 11/15/2024 | 11/26/2024 | — | — | 1,039,477 | 241,419 | 4.31 | |
UPB | Upstream Bio, Inc. Common Stoc | 10/31/2024 | 11/11/2024 | — | — | 647,123 | 342,967 | 1.89 | |
UPB | Upstream Bio, Inc. Common Stoc | 10/15/2024 | 10/24/2024 | — | — | 230,692 | 379,054 | 1 |
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