U
Upstream Bio, Inc. (UPB)
NMS – Real Time Price. Currency in USD
6.75
+0.39 (6.13%)
At close: Jun 26, 2026, 4:00 PM EDT
6.96
+0.21 (3.11%)
After-hours: Jun 26, 2026, 7:09 PM EDT
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NMS – Real Time Price. Currency in USD
6.75
+0.39 (6.13%)
At close: Jun 26, 2026, 4:00 PM EDT
6.96
+0.21 (3.11%)
After-hours: Jun 26, 2026, 7:09 PM EDT
| Breakdown | |
|---|---|
| 14.88% | % of Shares Held by All Insider |
| 89.52% | % of Shares Held by Institutions |
| 105.16% | % of Float Held by Institutions |
| 201 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| FMR, LLC | 8.10M | 2026-03-31 | 14.89% | $54.69M |
| Orbimed Advisors LLC. | 5.69M | 2026-03-31 | 10.46% | $38.43M |
| Blackrock Inc. | 3.37M | 2026-03-31 | 6.19% | $22.75M |
| Decheng Capital LLC | 2.72M | 2026-03-31 | 5.01% | $18.39M |
| Enavate Sciences Gp, LLC | 2.46M | 2026-03-31 | 4.52% | $16.60M |
| Vanguard Capital Management LLC | 1.87M | 2026-03-31 | 3.44% | $12.65M |
| Y Intercept (Hong Kong) Ltd | 1.00M | 2026-03-31 | 1.84% | $6.75M |
| Federated Hermes, Inc. | 979,758 | 2026-03-31 | 1.80% | $6.61M |
| Geode Capital Management, LLC | 950,617 | 2026-03-31 | 1.75% | $6.42M |
| Millennium Management Llc | 937,323 | 2026-03-31 | 1.72% | $6.33M |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 1.44M | 2026-03-31 | 2.65% | $9.74M |
| Fidelity Securities Fund-Fidelity Small Cap Growth Fund | 1.37M | 2026-02-28 | 2.52% | $9.26M |
| Fidelity Capital Trust-Fidelity Stock Selector Small Cap Fund | 1.02M | 2026-02-28 | 1.87% | $6.85M |
| Fidelity Select Portfolios-Select Health Care Portfolio | 800,000 | 2026-04-30 | 1.47% | $5.40M |
| iShares Trust-iShares Russell 2000 ETF | 775,813 | 2026-04-30 | 1.43% | $5.24M |
| Fidelity Securities Fund-Fidelity Series Small Cap Opportunities Fund | 770,807 | 2026-02-28 | 1.42% | $5.20M |
| Fidelity Securities Fund-Fidelity Small Cap Growth K6 Fund | 693,618 | 2026-02-28 | 1.27% | $4.68M |
| Fidelity Advisor Series VII-Fidelity Advisor Biotechnology Fund | 691,003 | 2026-04-30 | 1.27% | $4.66M |
| SPDR SERIES TRUST-State Street SPDR S&P Biotech ETF | 644,094 | 2026-02-28 | 1.18% | $6.43M |
| Federated Hermes Equity Funds-Federated Hermes Kaufmann Fund | 429,544 | 2026-04-30 | 0.79% | $2.90M |
| Fidelity Advisor Series VII-Fidelity Advisor Health Care Fund | 400,000 | 2026-04-30 | 0.74% | $2.70M |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 383,465 | 2026-03-31 | 0.70% | $2.48M |