Gossamer Bio, Inc. (GOSS) NASDAQ

Currency In USD

GOSS Historical Return

If you invested $1000 in Gossamer Bio, Inc. (GOSS) since IPO date, it would be worth $7.62 as of October 02, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $10.92, while $1000 invested 1 year ago would be worth $55.09. This corresponds to total returns of -99.24%, -98.91%, -94.49%, respectively, with annualized returns of -47.13%, -59.5%, -94.49%.

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

GOSS Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 01, 2026	11.63	10.93	10.93	12.14	10.8	351,153
September 30, 2026	11.53	11.85	11.85	12.46	11.16	381,864
September 29, 2026	11.68	11.58	11.58	11.85	11.21	383,521
September 28, 2026	10.46	11.52	11.52	11.85	10.33	516,354
September 25, 2026	10.93	10.94	10.94	11.01	10.22	426,558
September 24, 2026	10.76	10.93	10.93	11.68	10.75	234,820
September 23, 2026	11.69	10.99	10.99	11.97	10.03	453,711
September 22, 2026	11.42	11.69	11.69	12.24	11.41	195,543
September 21, 2026	11.35	11.28	11.28	11.54	10.95	256,645
September 18, 2026	12	10.73	10.73	12.49	10.67	529,471
September 17, 2026	11.78	11.94	11.94	12.45	11.28	267,654
September 16, 2026	10.77	10.96	10.96	11.24	9.96	271,158
September 15, 2026	10.61	10.38	10.38	10.97	10.12	220,087
September 11, 2026	12.48	10.73	10.73	12.52	10.47	472,055
September 10, 2026	12.22	11.39	11.39	12.54	11.22	165,332
September 09, 2026	12	12.78	12.78	13.78	11.99	296,181
September 08, 2026	13.72	14.39	14.39	14.75	13.46	86,488
September 04, 2026	13.72	14.02	14.02	14.45	13.44	101,166
September 03, 2026	13.84	14.05	14.05	14.08	13.08	71,621
September 02, 2026	13.25	13.82	13.82	13.86	12.91	71,976
September 01, 2026	13.22	13.39	13.39	13.83	12.8	91,543
August 31, 2026	13.68	13.6	13.6	14.41	13.44	126,859
August 28, 2026	13.76	13.61	13.61	13.86	13.12	99,011
August 27, 2026	14.09	13.61	13.61	14.23	13.04	193,063
August 26, 2026	15.93	13.91	13.91	16.15	13.6	364,400
August 25, 2026	14.37	16.36	16.36	17.1	13.45	594,441
August 24, 2026	12	14	14	14.98	11.66	588,873
August 21, 2026	13.56	12.38	12.38	13.56	11.6	1.64M
August 20, 2026	12.65	12.6	12.6	13.11	12.04	84,130
August 19, 2026	11.98	12.53	12.53	12.68	11.36	86,420
August 18, 2026	11.2	11.45	11.45	11.83	11.06	84,859
August 17, 2026	12.36	11.2	11.2	12.45	11.2	300,701
August 14, 2026	13.6	12.34	12.34	13.61	12.24	173,228
August 13, 2026	14.07	13.62	13.62	14.18	13.23	156,226
August 12, 2026	14.66	14.21	14.21	14.85	13.84	66,669
August 11, 2026	14.4	14.54	14.54	14.88	13.93	132,606
August 10, 2026	14.4	14.09	14.09	14.41	13.52	214,548
August 07, 2026	14.4	14.24	14.24	14.53	13.83	136,759
August 06, 2026	14.17	14.27	14.27	14.56	13.76	102,884
August 05, 2026	14.94	14.22	14.22	14.96	14	100,070
August 04, 2026	13.6	14.52	14.52	14.72	13.6	184,504
August 03, 2026	13.57	13.89	13.89	14.13	12.8	221,315
July 31, 2026	14.16	13.56	13.56	14.63	13.22	320,205
July 30, 2026	16.34	14.26	14.26	16.41	13.42	383,033
July 29, 2026	16.46	16.54	16.54	16.95	14.56	378,288
July 28, 2026	21.45	16.41	16.41	21.46	15.2	2.64M
July 27, 2026	13.88	15.95	15.95	17.14	11.6	4.46M
July 24, 2026	11.59	10.88	10.88	11.6	10.57	136,573
July 23, 2026	11.4	11.4	11.4	11.43	10.88	175,052
July 22, 2026	11.38	11.57	11.57	12.4	10.94	205,964
July 21, 2026	11.48	12.38	12.38	12.4	11.34	189,082
July 20, 2026	13.6	11.28	11.28	13.6	11.1	493,567
July 17, 2026	13.27	13.61	13.61	14.15	12.82	144,549
July 16, 2026	12.8	13.64	13.64	13.7	11.42	177,781
July 15, 2026	10.62	12.94	12.94	13.64	10.18	307,856
July 14, 2026	11.52	11.21	11.21	11.52	9.1	523,021
July 13, 2026	13.58	11.53	11.53	13.6	11.22	384,978
July 10, 2026	14.02	13.58	13.58	14.02	12.8	161,599
July 09, 2026	13.76	14	14	14.37	13.51	108,861
July 08, 2026	13.99	13.52	13.52	14.15	13.28	222,504