5 DAY PERFORMANCE
-0.98%
1 MONTH PERFORMANCE
+10.88%
3 MONTH PERFORMANCE
+56.77%
6 MONTH PERFORMANCE
+143.51%
YEAR-TO-DATE PERFORMANCE
+65.45%
1 YEAR PERFORMANCE
+43.08%
Upstream Bio, Inc. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 12/15/2025 | $27.56 | $27.19 (-1.34%) | $27.95 | $26.68 | 1.04 M | $1.46 B |
| 12/12/2025 | $28.00 | $27.14 (-3.07%) | $28.25 | $26.78 | 305.42 K | $1.46 B |
| 12/11/2025 | $28.72 | $27.47 (-4.35%) | $29.51 | $27.16 | 661.77 K | $1.48 B |
| 12/10/2025 | $28.37 | $28.67 (1.06%) | $29.55 | $27.93 | 342.30 K | $1.54 B |
| 12/09/2025 | $28.73 | $28.37 (-1.25%) | $29.17 | $27.99 | 403.43 K | $1.53 B |
| 12/08/2025 | $28.03 | $28.97 (3.35%) | $29.50 | $27.91 | 345.16 K | $1.56 B |
| 12/05/2025 | $27.82 | $27.75 (-0.25%) | $28.43 | $27.00 | 399.90 K | $1.49 B |
| 12/04/2025 | $26.69 | $27.74 (3.93%) | $28.45 | $26.69 | 568.50 K | $1.49 B |
| 12/03/2025 | $25.01 | $26.97 (7.84%) | $27.15 | $24.94 | 497.30 K | $1.45 B |
| 12/02/2025 | $29.61 | $25.01 (-15.54%) | $29.89 | $24.61 | 839.18 K | $1.34 B |
| 12/01/2025 | $28.32 | $28.98 (2.33%) | $29.08 | $28.07 | 418.30 K | $1.56 B |
| 11/28/2025 | $28.14 | $28.60 (1.63%) | $28.89 | $28.06 | 145.02 K | $1.54 B |
| 11/26/2025 | $29.12 | $28.00 (-3.85%) | $33.00 | $27.90 | 509.42 K | $1.51 B |
| 11/25/2025 | $26.22 | $28.83 (9.95%) | $29.29 | $25.84 | 683.40 K | $1.55 B |
| 11/24/2025 | $25.35 | $26.05 (2.76%) | $26.99 | $25.32 | 1.26 M | $1.40 B |
| 11/21/2025 | $24.71 | $25.55 (3.4%) | $26.10 | $24.12 | 384.50 K | $1.37 B |
| 11/20/2025 | $25.37 | $24.96 (-1.62%) | $26.19 | $24.75 | 402.30 K | $1.34 B |
| 11/19/2025 | $25.31 | $24.94 (-1.46%) | $25.80 | $24.10 | 422.24 K | $1.34 B |
| 11/18/2025 | $26.20 | $25.56 (-2.44%) | $26.20 | $25.07 | 585.00 K | $1.37 B |
| 11/17/2025 | $24.39 | $25.70 (5.37%) | $26.15 | $24.14 | 527.53 K | $1.38 B |
| 11/14/2025 | $23.08 | $24.53 (6.28%) | $25.10 | $23.01 | 801.80 K | $1.32 B |
| 11/13/2025 | $23.52 | $23.34 (-0.77%) | $23.99 | $22.99 | 429.94 K | $1.26 B |
| 11/12/2025 | $23.74 | $23.72 (-0.08%) | $24.95 | $23.22 | 476.60 K | $1.28 B |
| 11/11/2025 | $23.31 | $23.78 (2.02%) | $24.80 | $22.89 | 215.00 K | $1.28 B |
| 11/10/2025 | $23.52 | $23.50 (-0.09%) | $23.87 | $22.59 | 490.50 K | $1.26 B |
| 11/07/2025 | $23.64 | $22.96 (-2.88%) | $23.64 | $21.98 | 271.70 K | $1.23 B |
| 11/06/2025 | $24.00 | $23.66 (-1.42%) | $24.58 | $23.03 | 289.40 K | $1.27 B |
| 11/05/2025 | $25.44 | $23.97 (-5.78%) | $25.65 | $23.66 | 234.64 K | $1.29 B |
| 11/04/2025 | $24.27 | $25.04 (3.17%) | $25.57 | $24.02 | 342.74 K | $1.35 B |
| 11/03/2025 | $25.92 | $25.02 (-3.47%) | $26.22 | $24.76 | 317.13 K | $1.35 B |
| 10/31/2025 | $25.70 | $25.85 (0.58%) | $26.25 | $25.48 | 215.10 K | $1.39 B |
| 10/30/2025 | $23.93 | $25.77 (7.69%) | $26.90 | $23.93 | 353.01 K | $1.39 B |
| 10/29/2025 | $24.82 | $24.19 (-2.54%) | $25.33 | $23.95 | 197.90 K | $1.30 B |
| 10/28/2025 | $23.50 | $24.84 (5.7%) | $25.09 | $23.50 | 418.21 K | $1.34 B |
| 10/27/2025 | $21.97 | $23.58 (7.33%) | $24.00 | $21.89 | 414.11 K | $1.27 B |
| 10/24/2025 | $21.45 | $21.86 (1.91%) | $22.14 | $21.44 | 186.20 K | $1.18 B |
| 10/23/2025 | $22.12 | $21.13 (-4.48%) | $22.42 | $21.02 | 241.40 K | $1.14 B |
| 10/22/2025 | $22.22 | $22.15 (-0.32%) | $22.62 | $21.90 | 450.40 K | $1.19 B |
| 10/21/2025 | $23.03 | $22.33 (-3.04%) | $23.03 | $22.14 | 475.31 K | $1.20 B |
| 10/20/2025 | $21.37 | $23.05 (7.86%) | $23.34 | $21.17 | 787.81 K | $1.24 B |
| 10/17/2025 | $21.86 | $20.97 (-4.07%) | $22.15 | $20.65 | 370.90 K | $1.13 B |
| 10/16/2025 | $21.79 | $22.28 (2.25%) | $22.39 | $21.39 | 397.42 K | $1.20 B |
| 10/15/2025 | $20.12 | $21.69 (7.8%) | $21.87 | $20.12 | 477.98 K | $1.17 B |
| 10/14/2025 | $20.65 | $19.98 (-3.24%) | $20.65 | $19.63 | 261.70 K | $1.07 B |
| 10/13/2025 | $19.79 | $20.08 (1.47%) | $20.31 | $19.56 | 218.21 K | $1.08 B |
| 10/10/2025 | $19.80 | $19.62 (-0.91%) | $20.68 | $19.46 | 271.81 K | $1.05 B |
| 10/09/2025 | $18.90 | $19.79 (4.71%) | $20.09 | $18.61 | 636.40 K | $1.06 B |
| 10/08/2025 | $18.88 | $18.92 (0.21%) | $19.30 | $18.72 | 328.41 K | $1.02 B |
| 10/07/2025 | $18.77 | $18.67 (-0.53%) | $18.96 | $18.18 | 190.15 K | $1.00 B |
| 10/06/2025 | $18.72 | $18.97 (1.34%) | $19.44 | $18.72 | 335.30 K | $1.02 B |
| 10/03/2025 | $18.60 | $18.63 (0.16%) | $19.06 | $18.60 | 239.52 K | $1.00 B |
| 10/02/2025 | $18.69 | $18.59 (-0.54%) | $19.01 | $18.37 | 336.95 K | $999.60 M |
| 10/01/2025 | $18.67 | $18.63 (-0.21%) | $19.00 | $18.05 | 327.80 K | $1.00 B |
| 09/30/2025 | $17.34 | $18.81 (8.48%) | $19.23 | $17.14 | 783.08 K | $1.01 B |
| 09/29/2025 | $17.23 | $17.34 (0.64%) | $17.81 | $17.06 | 208.40 K | $932.39 M |
| 09/26/2025 | $16.35 | $17.26 (5.57%) | $17.32 | $16.27 | 254.65 K | $928.09 M |
| 09/25/2025 | $16.60 | $16.31 (-1.75%) | $16.63 | $16.02 | 171.30 K | $877.00 M |
| 09/24/2025 | $16.25 | $16.75 (3.08%) | $16.78 | $16.20 | 294.79 K | $900.66 M |
| 09/23/2025 | $16.50 | $16.28 (-1.33%) | $16.79 | $16.14 | 190.42 K | $875.39 M |
| 09/22/2025 | $16.40 | $16.65 (1.52%) | $16.98 | $16.00 | 322.10 K | $895.28 M |
| 09/19/2025 | $17.41 | $16.38 (-5.92%) | $17.59 | $16.16 | 2.45 M | $880.77 M |
| 09/18/2025 | $16.22 | $17.27 (6.47%) | $17.40 | $16.16 | 342.80 K | $928.62 M |
| 09/17/2025 | $17.33 | $16.02 (-7.56%) | $17.78 | $15.55 | 540.21 K | $861.41 M |
| 09/16/2025 | $16.78 | $17.35 (3.4%) | $17.97 | $16.61 | 593.40 K | $932.92 M |
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