Upstream Bio Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Feb 11, 2026	19.00	20.01	12.65	14.69	14.69	-47.18%	8,829,512
Feb 10, 2026	26.10	28.58	25.93	27.81	27.81	6.47%	760,119
Feb 9, 2026	26.24	26.24	25.16	26.12	26.12	-0.31%	486,359
Feb 6, 2026	26.56	27.98	25.94	26.20	26.20	0.77%	517,690
Feb 5, 2026	29.40	30.31	25.87	26.00	26.00	-11.50%	619,271
Feb 4, 2026	30.88	30.88	28.35	29.38	29.38	-4.58%	610,281
Feb 3, 2026	30.38	31.05	29.82	30.79	30.79	2.84%	456,964
Feb 2, 2026	31.10	32.38	29.64	29.94	29.94	-3.67%	783,021
Jan 30, 2026	30.64	31.37	29.71	31.08	31.08	0.45%	667,376
Jan 29, 2026	30.30	31.12	29.61	30.94	30.94	1.68%	459,600
Jan 28, 2026	32.50	32.50	29.99	30.43	30.43	-6.37%	657,688
Jan 27, 2026	30.24	32.83	30.13	32.50	32.50	7.76%	1,068,844
Jan 26, 2026	29.77	30.91	29.76	30.16	30.16	0.47%	545,637
Jan 23, 2026	31.62	31.62	29.83	30.02	30.02	-5.57%	370,824
Jan 22, 2026	31.74	32.52	31.70	31.79	31.79	0.63%	402,365
Jan 21, 2026	30.95	32.14	30.31	31.59	31.59	1.90%	463,393
Jan 20, 2026	30.22	31.52	29.08	31.00	31.00	-	774,034
Jan 16, 2026	31.06	31.64	29.80	31.00	31.00	0.32%	417,481
Jan 15, 2026	32.42	32.42	30.74	30.90	30.90	-4.33%	705,067
Jan 14, 2026	32.68	33.68	31.95	32.30	32.30	-0.92%	620,693
Jan 13, 2026	31.71	32.66	30.48	32.60	32.60	2.97%	819,907
Jan 12, 2026	29.73	31.93	29.34	31.66	31.66	6.42%	677,346
Jan 9, 2026	27.87	30.60	27.87	29.75	29.75	8.02%	850,816
Jan 8, 2026	27.71	28.49	27.22	27.54	27.54	-1.92%	502,731
Jan 7, 2026	26.08	28.16	26.08	28.08	28.08	8.54%	700,087
Jan 6, 2026	25.93	26.52	25.00	25.87	25.87	-1.00%	452,806
Jan 5, 2026	27.07	27.39	25.25	26.13	26.13	-3.47%	689,799
Jan 2, 2026	27.30	28.01	26.72	27.07	27.07	-0.29%	585,920
Dec 31, 2025	27.17	27.58	26.86	27.15	27.15	-0.62%	517,497
Dec 30, 2025	28.77	28.77	26.86	27.32	27.32	-5.24%	831,474
Dec 29, 2025	29.48	29.92	28.70	28.83	28.83	-2.20%	238,092
Dec 26, 2025	30.11	30.11	29.10	29.48	29.48	-2.61%	228,013
Dec 24, 2025	29.65	30.76	29.60	30.27	30.27	3.63%	266,459
Dec 23, 2025	30.27	30.76	29.05	29.21	29.21	-4.01%	347,234
Dec 22, 2025	29.29	30.89	29.00	30.43	30.43	3.68%	701,354
Dec 19, 2025	30.01	30.56	29.19	29.35	29.35	-1.71%	1,463,070
Dec 18, 2025	29.09	30.27	28.36	29.86	29.86	5.40%	795,855
Dec 17, 2025	29.41	29.95	28.15	28.33	28.33	-3.38%	439,687
Dec 16, 2025	26.92	29.73	26.03	29.32	29.32	7.79%	932,274
Dec 15, 2025	27.56	27.95	26.68	27.20	27.20	0.22%	1,173,600
Dec 12, 2025	28.00	28.25	26.78	27.14	27.14	-1.20%	305,420
Dec 11, 2025	28.72	29.51	27.16	27.47	27.47	-4.19%	661,765
Dec 10, 2025	28.37	29.55	27.93	28.67	28.67	1.08%	342,285
Dec 9, 2025	28.73	29.17	27.99	28.37	28.37	-2.09%	403,427
Dec 8, 2025	28.03	29.50	27.91	28.97	28.97	4.40%	345,155
Dec 5, 2025	27.82	28.43	27.00	27.75	27.75	0.04%	399,865
Dec 4, 2025	26.69	28.45	26.69	27.74	27.74	2.86%	568,481
Dec 3, 2025	25.01	27.15	24.94	26.97	26.97	7.84%	497,292
Dec 2, 2025	29.61	29.89	24.61	25.01	25.01	-13.70%	839,176
Dec 1, 2025	28.32	29.08	28.07	28.98	28.98	1.33%	418,272