Who owns UPSTREAM BIO INC?
- CUSIP Number: 91678a957
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Analyze quarterly positions in Upstream Bio with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Upstream Bio stock
Who bought or sold UPSTREAM BIO INC this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| Simplex Trading | 8.5k | $159k | 100% | Sep 2025 |
|
| Group One Trading | 300.00 | $5.6k | 100% | Sep 2025 |
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