Supernus Pharmaceuticals, Inc. (SUPN) NASDAQ

Currency In USD

SUPN Historical Return

If you invested $1000 in Supernus Pharmaceuticals, Inc. (SUPN) 10 years ago, it would be worth $2,342.69 as of June 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,360.92, while $1000 invested 1 year ago would be worth $1,382.62. This corresponds to total returns of 134.27%, 36.09%, 38.26%, respectively, with annualized returns of 8.88%, 6.35%, 38.26%.

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

SUPN Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 18, 2026	44.07	44.38	44.38	44.58	43.54	1.1M
June 17, 2026	43.37	43.58	43.58	44.01	42.5	541,919
June 16, 2026	44.09	43.58	43.58	44.26	42.45	720,112
June 15, 2026	44.36	43.86	43.86	44.44	42.74	901,382
June 12, 2026	45.71	44.41	44.41	45.71	44.16	825,356
June 11, 2026	45.06	45.55	45.55	45.89	44.41	478,342
June 10, 2026	45.44	45.09	45.09	46.58	44.98	380,057
June 09, 2026	44.86	45.66	45.66	45.79	44.7	380,768
June 08, 2026	44.94	44.48	44.48	45.59	44.34	431,264
June 05, 2026	45.05	44.75	44.75	45.73	44.6	552,808
June 04, 2026	44.66	44.7	44.7	45.72	44.43	460,501
June 03, 2026	43.93	44.03	44.03	44.98	43.45	962,172
June 02, 2026	44.25	44.07	44.07	44.47	43.45	711,343
June 01, 2026	45.83	44.76	44.76	46.16	44.17	571,040
May 29, 2026	46.6	46.18	46.18	47.15	45.96	544,549
May 28, 2026	46.63	46.85	46.85	47.76	45.92	635,593
May 27, 2026	47.76	46.64	46.64	48.38	46.4	681,688
May 26, 2026	48.44	47.77	47.77	48.5	47.42	467,565
May 22, 2026	49.38	48.21	48.21	49.83	48.17	526,838
May 21, 2026	48.68	49.38	49.38	49.66	47.98	529,463
May 20, 2026	48.27	48.69	48.69	49.24	47.67	606,180
May 19, 2026	48.38	47.62	47.62	48.53	47.52	591,522
May 18, 2026	49.34	48.33	48.33	49.98	47.85	521,415
May 15, 2026	50.88	49.43	49.43	50.88	49.15	616,051
May 14, 2026	51.73	51.2	51.2	52.35	50.58	532,343
May 13, 2026	50.02	51.36	51.36	51.5	50.02	430,106
May 12, 2026	49.61	50.53	50.53	50.58	48.84	589,558
May 11, 2026	51.04	49.37	49.37	51.75	49.13	816,890
May 08, 2026	52.46	51.53	51.53	52.59	50.36	852,602
May 07, 2026	51.45	52.28	52.28	52.5	49.78	1.06M
May 06, 2026	50.67	51.45	51.45	52.96	46.87	1.92M
May 05, 2026	49.07	49.19	49.19	50.55	48.1	1.11M
May 04, 2026	47.53	48.63	48.63	49.01	47.34	1.39M
May 01, 2026	48.02	47.85	47.85	48.33	47.17	610,036
April 30, 2026	48.75	48	48	49.24	47.85	855,392
April 29, 2026	48.42	48.55	48.55	48.9	47.62	512,541
April 28, 2026	50.06	48.69	48.69	50.13	48.12	696,953
April 27, 2026	49.58	49.46	49.46	50.18	49.18	688,623
April 24, 2026	50.39	49.76	49.76	50.51	48.71	450,143
April 23, 2026	50.75	50.39	50.39	51.2	49.45	291,640
April 22, 2026	49.42	50.29	50.29	50.32	49.01	391,683
April 21, 2026	51.06	49.12	49.12	51.13	48.99	502,221
April 20, 2026	51.1	51.25	51.25	51.37	50.5	421,220
April 17, 2026	49.78	51.39	51.39	52.31	49.61	797,270
April 16, 2026	49.83	49.22	49.22	49.89	48.35	494,385
April 15, 2026	50.11	49.94	49.94	50.91	49.48	349,023
April 14, 2026	50.63	50.11	50.11	51.03	49.76	460,025
April 13, 2026	50.64	49.95	49.95	50.8	49.65	347,305
April 10, 2026	51.62	50.68	50.68	51.71	50	445,337
April 09, 2026	51.43	51.5	51.5	52.32	51	498,756
April 08, 2026	51.97	51.61	51.61	52.37	50.71	618,490
April 07, 2026	50.2	50.96	50.96	51.06	49.57	873,941
April 06, 2026	50.23	50.54	50.54	51.24	49.82	438,419
April 02, 2026	50.49	50.48	50.48	51.37	50.08	472,493
April 01, 2026	51.37	51.44	51.44	52.69	51.32	535,279
March 31, 2026	49.81	51.69	51.69	51.94	49.65	395,301
March 30, 2026	49.88	49.35	49.35	50.07	48.85	560,681
March 27, 2026	50.36	49.52	49.52	51.13	49	547,753
March 26, 2026	50.37	50.8	50.8	51	49.22	383,037
March 25, 2026	50.01	50.06	50.06	50.78	49.81	425,559