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 — 2002

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2002-12-31$6.27$6.272,224,000
2002-12-30$6.05$6.051,069,400
2002-12-27$6.10$6.101,078,300
2002-12-26$6.18$6.181,247,500
2002-12-24$6.43$6.43404,300
2002-12-23$6.54$6.541,183,700
2002-12-20$6.45$6.451,940,300
2002-12-19$6.65$6.652,586,400
2002-12-18$6.45$6.452,188,900
2002-12-17$6.50$6.503,464,400
2002-12-16$6.46$6.462,457,500
2002-12-13$6.80$6.802,868,900
2002-12-12$7.20$7.201,524,900
2002-12-11$7.22$7.222,698,400
2002-12-10$7.24$7.241,061,300
2002-12-09$7.96$7.96653,300
2002-12-06$8.44$8.44477,000
2002-12-05$8.51$8.51576,900
2002-12-04$8.57$8.571,008,800
2002-12-03$8.50$8.50315,500
2002-12-02$8.71$8.71467,400
2002-11-29$8.91$8.9197,300
2002-11-27$8.82$8.82362,900
2002-11-26$8.54$8.54319,100
2002-11-25$9.09$9.09513,900
2002-11-22$9.00$9.00842,800
2002-11-21$8.80$8.80519,100
2002-11-20$8.45$8.45643,500
2002-11-19$7.67$7.67650,700
2002-11-18$7.66$7.661,095,800
2002-11-15$7.82$7.82635,400
2002-11-14$8.39$8.39800,300
2002-11-13$7.71$7.711,414,500
2002-11-12$7.50$7.502,368,200
2002-11-11$8.00$8.003,050,700
2002-11-08$9.77$9.771,190,300
2002-11-07$10.23$10.231,859,600
2002-11-06$11.28$11.28720,900
2002-11-05$10.73$10.731,333,800
2002-11-04$10.35$10.351,390,100
2002-11-01$9.52$9.52391,700
2002-10-31$9.22$9.22555,200
2002-10-30$9.22$9.22293,000
2002-10-29$9.00$9.00588,800
2002-10-28$8.96$8.96463,000
2002-10-25$8.78$8.78766,100
2002-10-24$8.69$8.69341,300
2002-10-23$8.79$8.79682,400
2002-10-22$8.69$8.691,073,800
2002-10-21$8.75$8.75939,700
2002-10-18$8.65$8.65463,400
2002-10-17$8.92$8.92397,600
2002-10-16$8.56$8.56459,000
2002-10-15$8.65$8.65763,900
2002-10-14$8.64$8.64629,300
2002-10-11$7.96$7.96686,600
2002-10-10$7.42$7.42438,200
2002-10-09$7.00$7.00624,400
2002-10-08$7.17$7.17431,600
2002-10-07$7.09$7.09289,600
2002-10-04$7.00$7.00504,200
2002-10-03$7.50$7.50358,400
2002-10-02$7.50$7.50655,500
2002-10-01$7.96$7.96521,500
2002-09-30$7.88$7.88694,600
2002-09-27$7.49$7.49671,800
2002-09-26$7.69$7.69876,300
2002-09-25$7.83$7.83871,500
2002-09-24$7.50$7.50938,800
2002-09-23$7.32$7.32864,900
2002-09-20$7.63$7.631,519,900
2002-09-19$6.87$6.87370,100
2002-09-18$7.35$7.35720,500
2002-09-17$7.02$7.02864,200
2002-09-16$7.55$7.55506,400
2002-09-13$7.75$7.75982,600
2002-09-12$8.30$8.30791,400
2002-09-11$8.60$8.60735,600
2002-09-10$8.58$8.58981,600
2002-09-09$8.80$8.80717,100
2002-09-06$8.87$8.87820,900
2002-09-05$8.59$8.591,706,100
2002-09-04$8.01$8.011,156,400
2002-09-03$7.59$7.59608,400
2002-08-30$8.21$8.21351,600
2002-08-29$8.63$8.63511,400
2002-08-28$8.47$8.471,112,400
2002-08-27$8.62$8.62813,900
2002-08-26$9.47$9.472,392,700
2002-08-23$10.07$10.071,526,800
2002-08-22$10.09$10.092,610,400
2002-08-21$9.90$9.901,118,400
2002-08-20$9.11$9.111,188,400
2002-08-19$8.71$8.71940,500
2002-08-16$9.21$9.21938,700
2002-08-15$9.07$9.072,981,600
2002-08-14$8.35$8.351,471,200
2002-08-13$7.93$7.931,474,000
2002-08-12$8.13$8.131,347,600
2002-08-09$7.70$7.703,773,200
2002-08-08$6.19$6.191,310,400
2002-08-07$5.55$5.55762,800
2002-08-06$5.64$5.641,060,300
2002-08-05$5.28$5.28594,100
2002-08-02$5.35$5.351,762,800
2002-08-01$5.53$5.532,902,000
2002-07-31$4.56$4.56696,500
2002-07-30$4.18$4.18964,800
2002-07-29$4.16$4.16585,500
2002-07-26$3.99$3.99568,300
2002-07-25$4.00$4.00680,900
2002-07-24$4.09$4.09616,100
2002-07-23$3.94$3.94595,800
2002-07-22$3.95$3.951,098,600
2002-07-19$4.24$4.24632,800
2002-07-18$4.82$4.82643,500
2002-07-17$5.04$5.041,089,400
2002-07-16$4.46$4.461,113,500
2002-07-15$4.09$4.09801,100
2002-07-12$4.16$4.161,796,000
2002-07-11$3.78$3.782,366,100
2002-07-10$3.99$3.991,279,300
2002-07-09$4.31$4.311,606,600
2002-07-08$4.50$4.502,335,600
2002-07-05$4.41$4.411,043,200
2002-07-03$4.34$4.343,597,400
2002-07-02$4.04$4.046,893,600
2002-07-01$5.15$5.1522,147,000
2002-06-28$16.01$16.013,154,600
2002-06-27$16.78$16.78931,300
2002-06-26$16.00$16.00966,000
2002-06-25$15.92$15.92564,700
2002-06-24$16.50$16.501,185,900
2002-06-21$16.03$16.03885,300
2002-06-20$16.31$16.31815,200
2002-06-19$17.22$17.22573,300
2002-06-18$17.25$17.251,199,700
2002-06-17$16.70$16.701,503,100
2002-06-14$16.10$16.101,189,500
2002-06-13$15.66$15.66765,300
2002-06-12$15.90$15.901,087,200
2002-06-11$15.89$15.891,796,200
2002-06-10$18.24$18.24381,200
2002-06-07$18.24$18.24868,000
2002-06-06$17.65$17.65518,800
2002-06-05$18.73$18.73405,400
2002-06-04$18.45$18.45804,400
2002-06-03$18.12$18.12723,400
2002-05-31$19.44$19.44383,600
2002-05-30$20.18$20.18395,300
2002-05-29$20.02$20.02497,200
2002-05-28$20.65$20.65441,100
2002-05-24$19.89$19.89621,400
2002-05-23$21.12$21.12757,100
2002-05-22$19.34$19.34451,200
2002-05-21$19.04$19.04353,000
2002-05-20$19.45$19.45303,000
2002-05-17$19.90$19.90343,300
2002-05-16$19.23$19.23283,700
2002-05-15$19.86$19.86555,300
2002-05-14$19.92$19.92662,200
2002-05-13$19.14$19.14507,700
2002-05-10$18.63$18.63761,700
2002-05-09$18.98$18.98725,800
2002-05-08$19.48$19.48916,000
2002-05-07$18.33$18.33636,500
2002-05-06$18.66$18.661,134,100
2002-05-03$19.78$19.78417,600
2002-05-02$19.80$19.80599,100
2002-05-01$20.62$20.62707,300
2002-04-30$20.14$20.14728,400
2002-04-29$19.64$19.641,052,100
2002-04-26$20.00$20.00882,100
2002-04-25$21.25$21.25661,800
2002-04-24$21.77$21.77704,800
2002-04-23$21.64$21.64530,200
2002-04-22$22.08$22.08502,700
2002-04-19$22.78$22.78553,500
2002-04-18$23.51$23.51461,000
2002-04-17$22.84$22.84489,800
2002-04-16$23.29$23.29478,600
2002-04-15$22.58$22.58425,400
2002-04-12$22.01$22.01531,700
2002-04-11$21.77$21.77502,100
2002-04-10$22.90$22.90781,500
2002-04-09$21.28$21.28433,800
2002-04-08$22.09$22.09727,400
2002-04-05$22.00$22.001,516,100
2002-04-04$22.96$22.961,377,300
2002-04-03$23.50$23.504,452,000
2002-04-02$24.92$24.92988,400
2002-04-01$26.30$26.30961,100
2002-03-28$26.06$26.061,075,100
2002-03-27$26.10$26.10812,700
2002-03-26$26.18$26.18841,300
2002-03-25$26.11$26.111,218,700
2002-03-22$27.24$27.244,204,200
2002-03-21$29.61$29.613,384,800
2002-03-20$30.05$30.05291,700
2002-03-19$30.34$30.341,005,200
2002-03-18$30.23$30.23876,700
2002-03-15$28.81$28.81648,500
2002-03-14$28.39$28.39586,000
2002-03-13$28.27$28.27874,600
2002-03-12$28.35$28.35686,700
2002-03-11$28.32$28.32420,900
2002-03-08$27.64$27.64392,400
2002-03-07$27.51$27.51422,000
2002-03-06$27.39$27.39618,300
2002-03-05$26.38$26.38299,200
2002-03-04$26.30$26.30483,700
2002-03-01$25.44$25.44644,700
2002-02-28$24.97$24.97562,300
2002-02-27$25.26$25.26264,000
2002-02-26$25.99$25.99403,500
2002-02-25$25.31$25.31390,400
2002-02-22$25.57$25.57358,600
2002-02-21$25.55$25.55377,400
2002-02-20$26.00$26.00422,300
2002-02-19$25.39$25.39204,200
2002-02-15$26.05$26.05497,800
2002-02-14$26.25$26.25590,500
2002-02-13$26.96$26.96671,500
2002-02-12$27.27$27.27614,900
2002-02-11$26.01$26.01498,400
2002-02-08$26.19$26.191,172,500
2002-02-07$24.76$24.761,840,900
2002-02-06$25.53$25.53818,500
2002-02-05$26.30$26.30868,000
2002-02-04$25.97$25.97479,500
2002-02-01$27.32$27.32359,000
2002-01-31$26.81$26.81362,800
2002-01-30$26.55$26.551,242,200
2002-01-29$26.34$26.34246,800
2002-01-28$26.84$26.84595,400
2002-01-25$27.51$27.51407,600
2002-01-24$27.05$27.05302,000
2002-01-23$27.11$27.11600,900
2002-01-22$26.71$26.71480,300
2002-01-18$25.34$25.34589,300
2002-01-17$26.49$26.49668,100
2002-01-16$26.36$26.36970,600
2002-01-15$27.16$27.16880,000
2002-01-14$26.34$26.34703,200
2002-01-11$27.00$27.00852,200
2002-01-10$26.10$26.10378,000
2002-01-09$25.63$25.63340,600
2002-01-08$26.27$26.27814,500
2002-01-07$25.22$25.22472,000
2002-01-04$26.16$26.16808,500
2002-01-03$25.15$25.15470,900
2002-01-02$25.75$25.75664,000