Kiniksa Pharmaceuticals International, plc (KNSA) NASDAQ

Currency In USD

KNSA Historical Return

If you invested $1000 in Kiniksa Pharmaceuticals, Ltd. (KNSA) since IPO date, it would be worth $4,149.46 as of October 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $7,522.35, while $1000 invested 1 year ago would be worth $2,083.83. This corresponds to total returns of 314.95%, 652.23%, 108.38%, respectively, with annualized returns of 18.41%, 49.75%, 108.38%.

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

KNSA Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 22, 2026	79.32	80.79	80.79	81.3	78.39	429,623
October 21, 2026	83.41	79.7	79.7	84.06	78.74	837,978
October 20, 2026	80.25	83.17	83.17	83.78	79.88	1.23M
October 19, 2026	78.78	79.48	79.48	80.61	78.36	601,971
October 16, 2026	79.94	78.59	78.59	80.34	76.88	524,763
October 15, 2026	79.85	79.94	79.94	82.98	79.62	1.44M
October 14, 2026	78.11	78.84	78.84	79.96	77.7	576,507
October 13, 2026	79.21	78.53	78.53	80	78.45	575,784
October 12, 2026	80	79.24	79.24	80.99	78.82	340,922
October 09, 2026	78.24	79.78	79.78	80.5	78.03	430,275
October 08, 2026	77.18	78.75	78.75	78.83	75.44	411,566
October 07, 2026	76.18	77.96	77.96	79.22	74.7	380,439
October 06, 2026	76	77.09	77.09	77.32	73.84	376,541
October 05, 2026	75.97	76.31	76.31	76.79	75.29	391,494
October 02, 2026	75.58	75.79	75.79	76.22	74.56	376,306
October 01, 2026	73.87	75.22	75.22	76.11	73.14	701,241
September 30, 2026	76.55	74.61	74.61	76.55	73.76	650,609
September 29, 2026	75.32	75.73	75.73	76.52	74.33	286,027
September 28, 2026	75	76.1	76.1	76.42	74.02	547,548
September 25, 2026	75.4	75.08	75.08	76	74.53	307,833
September 24, 2026	76.02	75.34	75.34	76.95	74.46	433,344
September 23, 2026	77.99	76.08	76.08	78.23	74.88	408,222
September 22, 2026	78.09	78	78	79.54	77.37	403,904
September 21, 2026	77.12	78.13	78.13	78.71	76	451,629
September 18, 2026	78.95	77.24	77.24	79.61	76.99	1.03M
September 17, 2026	78.66	79.33	79.33	79.76	78.29	471,042
September 16, 2026	75.06	77.62	77.62	77.64	74.91	553,873
September 15, 2026	76.46	75.15	75.15	76.63	74.47	446,762
September 11, 2026	77.7	76.27	76.27	78.59	76.14	358,022
September 10, 2026	77.66	76.48	76.48	78.42	75.99	459,651
September 09, 2026	78.72	78.52	78.52	80.22	77.33	587,896
September 08, 2026	76.25	77.09	77.09	78.5	75	668,456
September 04, 2026	79.75	77.91	77.91	80.43	77.9	429,616
September 03, 2026	80.3	80.47	80.47	81.41	78.84	620,809
September 02, 2026	79.53	79.89	79.89	80.18	77.86	568,428
September 01, 2026	78.29	79.28	79.28	79.55	77.86	386,959
August 31, 2026	78	78.63	78.63	78.96	76.65	420,218
August 28, 2026	79.6	78.08	78.08	79.81	77.71	427,247
August 27, 2026	78.2	79.8	79.8	80.79	77.8	413,253
August 26, 2026	79.65	78.68	78.68	80.26	78.35	383,691
August 25, 2026	79.36	80.2	80.2	80.86	79.13	402,049
August 24, 2026	79.5	79.38	79.38	79.98	77.71	418,629
August 21, 2026	78.28	79.03	79.03	79.93	78.01	270,110
August 20, 2026	79.43	78.47	78.47	80.12	77.64	491,118
August 19, 2026	80.5	80.8	80.8	81.57	79.27	820,208
August 18, 2026	78.85	79.49	79.49	79.86	78.77	367,321
August 17, 2026	76.89	79.18	79.18	79.22	76.75	320,585
August 14, 2026	77.32	76.75	76.75	77.51	75.3	403,394
August 13, 2026	78.65	77.83	77.83	79.69	77.19	451,320
August 12, 2026	77.37	78.15	78.15	79.79	76.92	527,662
August 11, 2026	76.67	77.8	77.8	78.25	75.72	350,550
August 10, 2026	76.05	76.53	76.53	77.78	75	264,468
August 07, 2026	77.66	76.06	76.06	77.82	75.52	219,775
August 06, 2026	77.88	76.51	76.51	78.8	75.74	353,066
August 05, 2026	76.91	78.08	78.08	78.24	76.12	531,193
August 04, 2026	75.14	75.99	75.99	76.91	73.04	661,754
August 03, 2026	73.89	73.41	73.41	75.44	71.42	785,168
July 31, 2026	77.66	74.34	74.34	78.04	73.65	1.03M
July 30, 2026	79.4	78.2	78.2	80.51	77.74	946,307
July 29, 2026	81.43	80.92	80.92	82.94	77.57	1.38M