IO Biotech, Inc. (IOBT) NASDAQ

Currency In USD

IOBT Historical Return

If you invested $1000 in IO Biotech, Inc. (IOBT) since IPO date, it would be worth $0.79 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 3 years ago would be worth $6.62, while $1000 invested 1 year ago would be worth $9.47. This corresponds to total returns of -99.92%, -99.34%, -99.05%, respectively, with annualized returns of -78.62%, -81.2%, -99.05%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

IOBT Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
April 06, 2026	0.03	0.05	0.05	0.06	0.03	354.46M
April 02, 2026	0.03	0.03	0.03	0.04	0.03	39.01M
April 01, 2026	0.05	0.04	0.04	0.05	0.03	29.59M
March 31, 2026	0.05	0.06	0.06	0.06	0.04	62.97M
March 30, 2026	0.2	0.17	0.17	0.2	0.17	1.11M
March 27, 2026	0.21	0.19	0.19	0.21	0.19	657,959
March 26, 2026	0.2	0.21	0.21	0.21	0.19	1.01M
March 25, 2026	0.19	0.19	0.19	0.21	0.19	649,522
March 24, 2026	0.2	0.19	0.19	0.21	0.19	996,670
March 23, 2026	0.18	0.21	0.21	0.22	0.18	1.75M
March 20, 2026	0.19	0.18	0.18	0.19	0.18	970,063
March 19, 2026	0.18	0.19	0.19	0.19	0.17	1.17M
March 18, 2026	0.17	0.18	0.18	0.19	0.16	1.43M
March 17, 2026	0.17	0.18	0.18	0.19	0.16	2.44M
March 16, 2026	0.19	0.18	0.18	0.2	0.14	5.54M
March 13, 2026	0.24	0.19	0.19	0.24	0.19	3.2M
March 12, 2026	0.24	0.22	0.22	0.25	0.22	2.99M
March 11, 2026	0.27	0.25	0.25	0.29	0.25	3.18M
March 10, 2026	0.3	0.27	0.27	0.31	0.25	1.9M
March 09, 2026	0.32	0.28	0.28	0.33	0.28	2.14M
March 06, 2026	0.31	0.3	0.3	0.33	0.3	1.03M
March 05, 2026	0.32	0.33	0.33	0.34	0.32	300,249
March 04, 2026	0.34	0.33	0.33	0.35	0.32	260,534
March 03, 2026	0.31	0.34	0.34	0.35	0.31	585,920
March 02, 2026	0.33	0.33	0.33	0.33	0.31	843,100
February 27, 2026	0.36	0.35	0.35	0.36	0.34	477,500
February 26, 2026	0.34	0.36	0.36	0.36	0.34	412,025
February 25, 2026	0.34	0.34	0.34	0.36	0.34	594,211
February 24, 2026	0.33	0.33	0.33	0.34	0.33	289,626
February 23, 2026	0.34	0.34	0.34	0.35	0.32	657,100
February 20, 2026	0.35	0.34	0.34	0.37	0.34	534,762
February 19, 2026	0.37	0.36	0.36	0.38	0.35	977,401
February 18, 2026	0.37	0.38	0.38	0.39	0.36	892,944
February 17, 2026	0.39	0.37	0.37	0.39	0.34	1.44M
February 13, 2026	0.37	0.37	0.37	0.37	0.34	1.52M
February 12, 2026	0.35	0.36	0.36	0.36	0.32	1.02M
February 11, 2026	0.37	0.36	0.36	0.38	0.34	2.68M
February 10, 2026	0.37	0.37	0.37	0.4	0.34	3.68M
February 09, 2026	0.36	0.37	0.37	0.4	0.34	2.73M
February 06, 2026	0.31	0.35	0.35	0.35	0.3	6.92M
February 05, 2026	0.28	0.32	0.32	0.33	0.27	4.39M
February 04, 2026	0.28	0.27	0.27	0.29	0.26	742,140
February 03, 2026	0.28	0.28	0.28	0.29	0.26	1.92M
February 02, 2026	0.29	0.28	0.28	0.3	0.27	1.73M
January 30, 2026	0.32	0.29	0.29	0.33	0.29	1.69M
January 29, 2026	0.31	0.32	0.32	0.33	0.3	1.35M
January 28, 2026	0.32	0.31	0.31	0.34	0.31	1.25M
January 27, 2026	0.32	0.33	0.33	0.33	0.31	2.76M
January 26, 2026	0.33	0.31	0.31	0.36	0.3	4.27M
January 23, 2026	0.43	0.37	0.37	0.45	0.35	17.37M
January 22, 2026	0.25	0.48	0.48	0.58	0.23	473.91M
January 21, 2026	0.47	0.21	0.21	0.5	0.21	36.58M
January 20, 2026	0.5	0.52	0.52	0.53	0.47	664,907
January 16, 2026	0.52	0.5	0.5	0.52	0.5	436,484
January 15, 2026	0.54	0.52	0.52	0.54	0.51	324,900
January 14, 2026	0.52	0.54	0.54	0.55	0.52	521,110
January 13, 2026	0.51	0.52	0.52	0.54	0.51	600,300
January 12, 2026	0.58	0.51	0.51	0.59	0.5	1.21M
January 09, 2026	0.56	0.56	0.56	0.59	0.56	535,200
January 08, 2026	0.61	0.56	0.56	0.62	0.55	1.42M