NASDAQ:ALKS | Historical Stock Price | Alkermes plc.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1991-07-16 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$1.19$2.80$6.60$15.56$36.69$86.491991-07-162026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 1994

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
1994-12-30$1.06$1.06344,200——
1994-12-29$1.19$1.19308,000——
1994-12-28$1.27$1.2730,400——
1994-12-27$1.30$1.30161,800——
1994-12-23$1.25$1.25168,400——
1994-12-22$1.31$1.3173,600——
1994-12-21$1.25$1.25359,000——
1994-12-20$1.19$1.1957,800——
1994-12-19$1.13$1.13129,200——
1994-12-16$1.06$1.06124,800——
1994-12-15$1.13$1.1399,200——
1994-12-14$1.09$1.09103,400——
1994-12-13$1.19$1.19128,200——
1994-12-12$1.19$1.19112,800——
1994-12-09$1.19$1.19171,000——
1994-12-08$1.19$1.19323,800——
1994-12-07$1.25$1.2598,400——
1994-12-06$1.38$1.3868,000——
1994-12-05$1.38$1.3861,200——
1994-12-02$1.44$1.44149,000——
1994-12-01$1.50$1.5064,400——
1994-11-30$1.63$1.6326,600——
1994-11-29$1.69$1.69211,800——
1994-11-28$1.69$1.69480,200——
1994-11-25$1.69$1.6946,800——
1994-11-23$1.69$1.69251,600——
1994-11-22$1.63$1.6364,400——
1994-11-21$1.63$1.63256,600——
1994-11-18$1.69$1.6976,200——
1994-11-17$1.63$1.63125,400——
1994-11-16$1.63$1.631,327,800——
1994-11-15$1.63$1.63143,800——
1994-11-14$1.56$1.56215,800——
1994-11-11$1.28$1.2839,600——
1994-11-10$1.25$1.2525,000——
1994-11-09$1.28$1.2875,200——
1994-11-08$1.25$1.25180,600——
1994-11-07$1.31$1.319,400——
1994-11-04$1.38$1.3884,400——
1994-11-03$1.44$1.4435,200——
1994-11-02$1.38$1.3877,800——
1994-11-01$1.56$1.5656,800——
1994-10-31$1.75$1.7540,200——
1994-10-28$1.63$1.638,600——
1994-10-27$1.75$1.75134,000——
1994-10-26$1.56$1.56250,000——
1994-10-25$1.25$1.2548,400——
1994-10-24$1.38$1.3852,600——
1994-10-21$1.38$1.386,000——
1994-10-20$1.44$1.44122,400——
1994-10-19$1.50$1.50127,800——
1994-10-18$1.50$1.5076,800——
1994-10-17$1.44$1.44175,600——
1994-10-14$1.69$1.6914,000——
1994-10-13$1.72$1.728,000——
1994-10-12$1.72$1.72110,400——
1994-10-11$1.75$1.755,200——
1994-10-10$1.75$1.7572,400——
1994-10-07$1.88$1.8832,600——
1994-10-06$1.81$1.818,000——
1994-10-05$1.81$1.8114,000——
1994-10-04$1.75$1.7523,000——
1994-10-03$1.75$1.754,600——
1994-09-30$1.78$1.787,200——
1994-09-29$1.75$1.7520,400——
1994-09-28$1.88$1.8819,400——
1994-09-27$1.88$1.8836,000——
1994-09-26$1.81$1.816,000——
1994-09-23$1.91$1.9117,600——
1994-09-22$1.88$1.889,000——
1994-09-21$1.88$1.88150,400——
1994-09-20$1.94$1.9462,200——
1994-09-19$1.88$1.8810,600——
1994-09-16$1.88$1.8845,400——
1994-09-15$1.94$1.9496,800——
1994-09-14$1.63$1.6333,400——
1994-09-13$1.63$1.6325,200——
1994-09-12$1.66$1.6611,400——
1994-09-09$1.63$1.6358,800——
1994-09-08$1.75$1.7587,400——
1994-09-07$1.50$1.5044,000——
1994-09-06$1.69$1.6950,200——
1994-09-02$1.63$1.6341,400——
1994-09-01$1.88$1.8811,000——
1994-08-31$1.88$1.8826,000——
1994-08-30$1.81$1.8175,600——
1994-08-29$2.00$2.0010,600——
1994-08-26$1.88$1.8899,600——
1994-08-25$1.88$1.885,000——
1994-08-24$1.88$1.88134,800——
1994-08-23$1.88$1.888,600——
1994-08-22$1.94$1.9416,400——
1994-08-19$2.00$2.0024,800——
1994-08-18$1.88$1.889,800——
1994-08-17$1.94$1.9438,400——
1994-08-16$1.94$1.9417,600——
1994-08-15$1.94$1.9411,000——
1994-08-12$2.13$2.13138,600——
1994-08-11$2.06$2.0698,400——
1994-08-10$2.00$2.00125,000——
1994-08-09$1.75$1.7539,600——
1994-08-08$1.63$1.6312,200——
1994-08-05$1.63$1.632,000——
1994-08-04$1.56$1.5659,400——
1994-08-03$1.59$1.5986,400——
1994-08-02$1.50$1.5035,800——
1994-08-01$1.53$1.5394,000——
1994-07-29$1.63$1.6356,200——
1994-07-28$1.69$1.69113,800——
1994-07-27$1.69$1.6921,200——
1994-07-26$1.63$1.6387,400——
1994-07-25$1.59$1.5967,200——
1994-07-22$1.66$1.6650,400——
1994-07-21$1.75$1.75533,000——
1994-07-20$1.88$1.8815,400——
1994-07-19$2.00$2.0083,800——
1994-07-18$1.88$1.8864,800——
1994-07-15$1.94$1.9411,800——
1994-07-14$1.97$1.973,400——
1994-07-13$2.06$2.06165,600——
1994-07-12$2.00$2.00107,800——
1994-07-11$1.97$1.9762,800——
1994-07-08$2.06$2.0616,600——
1994-07-07$2.06$2.0668,800——
1994-07-06$2.13$2.1330,600——
1994-07-05$2.19$2.1916,600——
1994-07-01$2.19$2.191,400——
1994-06-30$2.31$2.3194,800——
1994-06-29$2.19$2.1929,000——
1994-06-28$2.19$2.1947,800——
1994-06-27$2.31$2.3131,400——
1994-06-24$2.25$2.2516,000——
1994-06-23$2.31$2.3172,000——
1994-06-22$2.31$2.317,800——
1994-06-21$2.34$2.3461,600——
1994-06-20$2.41$2.417,000——
1994-06-17$2.50$2.50142,600——
1994-06-16$2.31$2.3191,200——
1994-06-15$2.41$2.41105,400——
1994-06-14$2.25$2.25172,000——
1994-06-13$2.13$2.13159,200——
1994-06-10$1.94$1.9473,000——
1994-06-09$2.06$2.0671,600——
1994-06-08$2.13$2.1377,600——
1994-06-07$2.19$2.1926,800——
1994-06-06$2.38$2.3835,200——
1994-06-03$2.44$2.4415,600——
1994-06-02$2.56$2.5617,200——
1994-06-01$2.47$2.4729,200——
1994-05-31$2.63$2.634,800——
1994-05-27$2.63$2.6393,400——
1994-05-26$2.56$2.5689,800——
1994-05-25$2.50$2.5058,600——
1994-05-24$2.69$2.69163,800——
1994-05-23$2.53$2.538,800——
1994-05-20$2.63$2.6381,200——
1994-05-19$2.44$2.4423,800——
1994-05-18$2.44$2.4439,200——
1994-05-17$2.38$2.3838,000——
1994-05-16$2.63$2.632,000——
1994-05-13$2.63$2.6356,400——
1994-05-12$2.56$2.5627,400——
1994-05-11$2.59$2.5926,000——
1994-05-10$2.56$2.5645,200——
1994-05-09$2.63$2.6324,000——
1994-05-06$2.50$2.5061,200——
1994-05-05$2.75$2.7522,400——
1994-05-04$2.69$2.69532,200——
1994-05-03$2.88$2.8838,800——
1994-05-02$2.81$2.8162,600——
1994-04-29$2.88$2.8835,800——
1994-04-28$3.00$3.0023,000——
1994-04-26$3.00$3.0064,600——
1994-04-25$2.88$2.8815,200——
1994-04-22$2.75$2.7547,200——
1994-04-21$2.75$2.7525,800——
1994-04-20$2.94$2.9432,600——
1994-04-19$2.88$2.8898,600——
1994-04-18$3.06$3.06116,600——
1994-04-15$3.25$3.2522,400——
1994-04-14$3.38$3.3828,000——
1994-04-13$3.34$3.34126,200——
1994-04-12$3.31$3.3187,400——
1994-04-11$3.44$3.4419,200——
1994-04-08$3.31$3.3113,400——
1994-04-07$3.44$3.4443,400——
1994-04-06$3.44$3.44110,000——
1994-04-05$3.56$3.56166,800——
1994-04-04$3.56$3.5694,400——
1994-03-31$3.50$3.5082,600——
1994-03-30$3.50$3.5038,400——
1994-03-29$3.56$3.5632,000——
1994-03-28$3.69$3.692,000——
1994-03-25$3.69$3.6942,600——
1994-03-24$3.75$3.7534,600——
1994-03-23$4.00$4.0016,000——
1994-03-22$3.88$3.8829,600——
1994-03-21$3.94$3.9426,000——
1994-03-18$3.94$3.9433,200——
1994-03-17$3.94$3.9446,400——
1994-03-16$4.06$4.06135,200——
1994-03-15$3.88$3.8842,200——
1994-03-14$3.94$3.9487,400——
1994-03-11$3.75$3.7590,600——
1994-03-10$3.69$3.6921,200——
1994-03-09$3.63$3.6342,200——
1994-03-08$3.69$3.6921,400——
1994-03-07$3.63$3.6363,800——
1994-03-04$3.69$3.69107,000——
1994-03-03$3.63$3.639,800——
1994-03-02$3.75$3.7523,800——
1994-03-01$3.81$3.81218,600——
1994-02-28$3.69$3.6940,200——
1994-02-25$3.63$3.6363,200——
1994-02-24$3.69$3.6919,200——
1994-02-23$3.75$3.7511,000——
1994-02-22$3.81$3.8132,200——
1994-02-18$3.81$3.8114,800——
1994-02-17$3.88$3.8873,000——
1994-02-16$3.88$3.8839,400——
1994-02-15$3.94$3.9417,000——
1994-02-14$4.06$4.06110,400——
1994-02-11$3.88$3.88101,800——
1994-02-10$4.13$4.1362,800——
1994-02-09$4.06$4.0659,200——
1994-02-08$4.13$4.13109,600——
1994-02-07$4.25$4.2543,600——
1994-02-04$4.19$4.19120,000——
1994-02-03$4.13$4.1327,800——
1994-02-02$4.13$4.1378,400——
1994-02-01$4.13$4.13148,400——
1994-01-31$4.00$4.0030,000——
1994-01-28$4.06$4.06100,800——
1994-01-27$4.06$4.0688,400——
1994-01-26$4.38$4.38182,800——
1994-01-25$4.38$4.381,293,200——
1994-01-24$4.06$4.0623,200——
1994-01-21$4.06$4.0617,400——
1994-01-20$4.00$4.00113,000——
1994-01-19$4.13$4.13225,000——
1994-01-18$4.44$4.4453,800——
1994-01-17$4.50$4.50204,000——
1994-01-14$4.13$4.1374,800——
1994-01-13$4.25$4.2548,600——
1994-01-12$4.13$4.1343,400——
1994-01-11$4.13$4.1358,000——
1994-01-10$4.13$4.1356,800——
1994-01-07$4.00$4.0011,000——
1994-01-06$4.13$4.1357,400——
1994-01-05$4.00$4.0064,800——
1994-01-04$3.94$3.94130,000——
1994-01-03$3.69$3.6942,600——