Kiniksa Pharmaceuticals International, plc (KNSA)

NASDAQ: KNSA · Real-Time Price · USD

53.85

+10.24 (23.48%)

At close: Apr 28, 2026, 4:00 PM EDT

53.85

0.00 (0.00%)

After-hours: Apr 28, 2026, 4:28 PM EDT

KNSA Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Apr 28, 2026	47.20	54.23	45.01	53.86	53.86	23.50%	3,025,492
Apr 27, 2026	42.67	44.23	42.61	43.61	43.61	1.92%	1,294,317
Apr 24, 2026	43.00	43.00	41.95	42.79	42.79	-0.60%	645,696
Apr 23, 2026	43.30	43.84	42.51	43.05	43.05	0.02%	567,623
Apr 22, 2026	42.84	43.69	42.67	43.04	43.04	1.39%	703,453
Apr 21, 2026	42.46	43.46	41.49	42.45	42.45	-0.02%	1,081,566
Apr 20, 2026	44.77	44.86	42.46	42.46	42.46	-5.43%	1,209,422
Apr 17, 2026	45.40	45.91	44.74	44.90	44.90	-0.93%	1,013,427
Apr 16, 2026	46.44	46.62	44.90	45.32	45.32	-1.24%	623,199
Apr 15, 2026	47.00	47.56	45.21	45.89	45.89	-2.20%	718,289
Apr 14, 2026	47.13	47.78	45.60	46.92	46.92	-0.80%	727,254
Apr 13, 2026	47.35	48.46	46.60	47.30	47.30	0.47%	350,988
Apr 10, 2026	47.21	47.74	46.78	47.08	47.08	-0.53%	481,154
Apr 9, 2026	46.69	47.55	44.40	47.33	47.33	0.64%	666,516
Apr 8, 2026	49.23	49.87	46.46	47.03	47.03	-3.90%	651,112
Apr 7, 2026	49.60	50.01	48.67	48.94	48.94	-1.23%	414,236
Apr 6, 2026	48.58	50.03	48.58	49.55	49.55	1.50%	791,726
Apr 2, 2026	47.75	48.85	46.82	48.82	48.82	1.43%	436,345
Apr 1, 2026	48.87	49.33	47.71	48.13	48.13	-0.04%	494,017
Mar 31, 2026	46.66	48.56	45.99	48.15	48.15	5.36%	604,129
Mar 30, 2026	45.59	45.95	44.76	45.70	45.70	-0.11%	325,149
Mar 27, 2026	46.60	46.91	45.44	45.75	45.75	-2.20%	974,269
Mar 26, 2026	45.75	47.13	45.24	46.78	46.78	2.05%	405,483
Mar 25, 2026	45.00	46.70	45.00	45.84	45.84	2.00%	381,033
Mar 24, 2026	45.75	45.75	44.43	44.94	44.94	-2.39%	439,332
Mar 23, 2026	46.36	47.17	45.71	46.04	46.04	-0.09%	679,443
Mar 20, 2026	45.64	46.34	44.62	46.08	46.08	0.99%	852,482
Mar 19, 2026	45.21	45.93	44.36	45.63	45.63	1.06%	789,008
Mar 18, 2026	47.02	47.02	45.04	45.15	45.15	-3.98%	630,141
Mar 17, 2026	46.73	47.10	46.41	47.02	47.02	1.12%	518,203
Mar 16, 2026	45.75	47.83	45.75	46.50	46.50	1.57%	770,652
Mar 13, 2026	46.49	46.54	45.30	45.78	45.78	-0.63%	852,872
Mar 12, 2026	46.20	46.66	44.87	46.07	46.07	-0.52%	976,011
Mar 11, 2026	46.92	47.00	45.66	46.31	46.31	-1.51%	257,679
Mar 10, 2026	47.20	47.41	45.66	47.02	47.02	0.60%	441,194
Mar 9, 2026	45.87	46.86	44.45	46.74	46.74	1.26%	484,406
Mar 6, 2026	46.02	47.41	44.94	46.16	46.16	0.30%	1,257,718
Mar 5, 2026	46.68	46.72	44.83	46.02	46.02	-2.64%	729,627
Mar 4, 2026	44.67	47.46	43.33	47.27	47.27	4.19%	836,292
Mar 3, 2026	45.83	46.25	44.94	45.37	45.37	-1.37%	842,969
Mar 2, 2026	44.13	46.17	43.51	46.00	46.00	3.39%	803,283
Feb 27, 2026	43.86	44.56	43.03	44.49	44.49	2.30%	569,056
Feb 26, 2026	42.73	44.30	42.43	43.49	43.49	1.71%	814,342
Feb 25, 2026	43.50	43.50	41.70	42.76	42.76	-1.70%	1,108,327
Feb 24, 2026	42.75	46.33	41.12	43.50	43.50	-8.21%	1,215,987
Feb 23, 2026	47.78	49.12	47.28	47.39	47.39	-0.80%	846,655
Feb 20, 2026	47.46	47.86	46.75	47.77	47.77	1.27%	468,598
Feb 19, 2026	46.25	47.51	45.50	47.17	47.17	3.92%	631,937
Feb 18, 2026	45.36	45.81	44.89	45.39	45.39	0.02%	255,782
Feb 17, 2026	44.97	45.58	43.55	45.38	45.38	0.02%	552,464
Feb 13, 2026	44.74	46.65	44.30	45.37	45.37	1.48%	510,532
Feb 12, 2026	45.00	45.50	43.50	44.71	44.71	-0.60%	312,323
Feb 11, 2026	44.44	44.98	43.11	44.98	44.98	0.60%	350,532
Feb 10, 2026	44.22	45.01	43.95	44.71	44.71	0.81%	386,653
Feb 9, 2026	43.15	44.43	42.00	44.35	44.35	2.92%	403,782
Feb 6, 2026	42.77	43.74	42.69	43.09	43.09	1.20%	312,754
Feb 5, 2026	43.41	44.34	41.98	42.58	42.58	-2.16%	334,347
Feb 4, 2026	44.97	45.09	43.09	43.52	43.52	-3.20%	523,931
Feb 3, 2026	44.37	45.50	44.26	44.96	44.96	0.65%	435,679
Feb 2, 2026	43.65	45.02	43.65	44.67	44.67	1.71%	382,993
Jan 30, 2026	44.02	44.56	43.18	43.92	43.92	-0.09%	987,047
Jan 29, 2026	43.34	44.16	43.15	43.96	43.96	1.57%	485,296
Jan 28, 2026	45.00	45.00	42.99	43.28	43.28	-3.05%	713,968
Jan 27, 2026	43.26	44.66	43.25	44.64	44.64	3.33%	341,957
Jan 26, 2026	42.09	43.40	41.50	43.20	43.20	2.37%	735,119
Jan 23, 2026	42.39	43.00	41.65	42.20	42.20	-0.57%	597,581
Jan 22, 2026	41.83	42.75	41.22	42.44	42.44	1.46%	903,981
Jan 21, 2026	40.57	42.13	40.43	41.83	41.83	1.95%	1,317,899
Jan 20, 2026	38.79	41.04	38.40	41.03	41.03	4.11%	516,778
Jan 16, 2026	38.11	39.47	38.04	39.41	39.41	3.93%	765,512
Jan 15, 2026	39.56	39.74	37.02	37.92	37.92	-4.15%	1,011,492
Jan 14, 2026	38.44	39.69	37.56	39.56	39.56	2.49%	988,036
Jan 13, 2026	41.55	42.39	38.20	38.60	38.60	-6.13%	580,456
Jan 12, 2026	42.59	43.00	41.01	41.12	41.12	-3.63%	870,040
Jan 9, 2026	42.23	42.69	41.31	42.67	42.67	2.25%	482,221
Jan 8, 2026	42.24	42.36	41.33	41.73	41.73	-1.63%	336,384
Jan 7, 2026	42.93	43.26	41.56	42.42	42.42	-0.61%	557,177
Jan 6, 2026	41.07	43.55	40.99	42.68	42.68	3.95%	1,124,471
Jan 5, 2026	41.82	41.91	39.16	41.06	41.06	-2.25%	700,074
Jan 2, 2026	41.26	42.90	40.95	42.01	42.01	1.83%	709,357
Dec 31, 2025	40.90	41.38	40.57	41.25	41.25	0.63%	267,114
Dec 30, 2025	40.89	42.15	40.52	40.99	40.99	-0.01%	265,980
Dec 29, 2025	41.87	41.87	40.90	41.00	41.00	-2.39%	281,068
Dec 26, 2025	42.48	42.58	41.65	42.00	42.00	-1.15%	199,919
Dec 24, 2025	42.68	42.99	42.29	42.49	42.49	-0.07%	153,828
Dec 23, 2025	43.54	43.66	42.34	42.52	42.52	-2.30%	244,013
Dec 22, 2025	43.00	44.42	42.46	43.52	43.52	0.76%	512,665
Dec 19, 2025	42.25	43.73	42.02	43.19	43.19	2.83%	919,046
Dec 18, 2025	41.41	42.47	40.77	42.00	42.00	1.28%	557,206
Dec 17, 2025	41.37	42.00	41.21	41.47	41.47	0.24%	389,886
Dec 16, 2025	41.38	42.00	41.05	41.37	41.37	-0.43%	523,012
Dec 15, 2025	41.65	41.99	41.18	41.55	41.55	-0.10%	619,402
Dec 12, 2025	41.06	41.99	40.33	41.59	41.59	1.41%	489,952
Dec 11, 2025	40.64	41.75	40.34	41.01	41.01	1.15%	451,436
Dec 10, 2025	41.14	41.60	40.05	40.55	40.55	-1.45%	299,620
Dec 9, 2025	41.35	42.32	41.00	41.14	41.14	-0.99%	567,434
Dec 8, 2025	42.08	42.12	41.00	41.55	41.55	-0.29%	336,864
Dec 5, 2025	41.12	42.00	40.31	41.67	41.67	1.66%	339,536
Dec 4, 2025	40.35	41.48	39.79	40.99	40.99	0.99%	331,068
Dec 3, 2025	40.32	41.55	39.61	40.59	40.59	1.30%	231,835