NASDAQ:ALNY | Historical Stock Price | ALNYLAM PHARMACEUTICALS, INC.

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
2004-06-01 to 2026-09-04
Data captured

Stock Price Chart

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

$4.09$10.71$28.07$73.59$192.93$505.752004-06-012026-08-27

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

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Historical Stock Price — 2024

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2024-12-31$235.31$235.31370,100
2024-12-30$236.01$236.01382,300
2024-12-27$237.97$237.97342,900
2024-12-26$242.50$242.50358,600
2024-12-24$243.25$243.25253,100
2024-12-23$242.26$242.26718,100
2024-12-20$245.44$245.441,663,600
2024-12-19$238.87$238.87975,100
2024-12-18$237.92$237.92543,100
2024-12-17$246.58$246.58634,400
2024-12-16$243.99$243.99598,900
2024-12-13$245.44$245.44591,900
2024-12-12$245.26$245.26751,000
2024-12-11$254.15$254.15453,500
2024-12-10$253.91$253.91463,300
2024-12-09$255.89$255.89611,000
2024-12-06$256.26$256.26575,500
2024-12-05$251.81$251.81460,400
2024-12-04$254.72$254.72422,400
2024-12-03$251.84$251.84404,200
2024-12-02$253.01$253.01510,700
2024-11-29$253.07$253.07325,600
2024-11-27$253.74$253.74718,100
2024-11-26$253.35$253.35985,800
2024-11-25$250.98$250.981,213,300
2024-11-22$244.89$244.89526,200
2024-11-21$246.80$246.80687,300
2024-11-20$248.79$248.791,058,700
2024-11-19$234.27$234.27830,500
2024-11-18$232.27$232.271,561,800
2024-11-15$235.56$235.561,761,100
2024-11-14$257.91$257.91648,200
2024-11-13$264.60$264.60651,100
2024-11-12$268.95$268.951,088,800
2024-11-11$279.82$279.82907,100
2024-11-08$277.43$277.43848,500
2024-11-07$272.22$272.22607,400
2024-11-06$273.01$273.011,376,700
2024-11-05$265.29$265.29970,300
2024-11-04$269.95$269.95781,900
2024-11-01$273.91$273.91866,300
2024-10-31$266.59$266.591,572,700
2024-10-30$281.49$281.49976,400
2024-10-29$284.69$284.69701,900
2024-10-28$286.91$286.91521,400
2024-10-25$284.86$284.861,168,500
2024-10-24$293.69$293.69626,700
2024-10-23$294.87$294.87578,700
2024-10-22$296.48$296.48447,900
2024-10-21$292.01$292.011,381,700
2024-10-18$295.93$295.93968,700
2024-10-17$296.75$296.751,205,400
2024-10-16$300.55$300.551,258,100
2024-10-15$287.36$287.36850,200
2024-10-14$283.32$283.32856,200
2024-10-11$284.32$284.32618,100
2024-10-10$278.62$278.62782,700
2024-10-09$270.90$270.90431,600
2024-10-08$271.19$271.19621,000
2024-10-07$266.77$266.77610,000
2024-10-04$267.99$267.99409,900
2024-10-03$269.53$269.53678,400
2024-10-02$271.55$271.55552,800
2024-10-01$276.06$276.06601,500
2024-09-30$275.03$275.03849,800
2024-09-27$274.91$274.91459,500
2024-09-26$274.57$274.57548,800
2024-09-25$272.73$272.73680,100
2024-09-24$271.00$271.00489,600
2024-09-23$271.83$271.83571,400
2024-09-20$273.88$273.88907,100
2024-09-19$276.33$276.33603,900
2024-09-18$273.15$273.15655,900
2024-09-17$274.46$274.46758,100
2024-09-16$270.37$270.37485,800
2024-09-13$265.27$265.27437,700
2024-09-12$261.73$261.73529,900
2024-09-11$261.91$261.91652,200
2024-09-10$256.21$256.21599,700
2024-09-09$253.16$253.16865,500
2024-09-06$246.78$246.78682,400
2024-09-05$251.48$251.48508,900
2024-09-04$253.14$253.141,008,500
2024-09-03$253.78$253.781,621,200
2024-08-30$262.69$262.693,762,500
2024-08-29$287.01$287.011,261,000
2024-08-28$280.70$280.70993,800
2024-08-27$280.26$280.261,193,000
2024-08-26$269.14$269.14622,500
2024-08-23$272.64$272.64359,300
2024-08-22$277.33$277.33528,600
2024-08-21$279.17$279.17663,700
2024-08-20$280.76$280.761,052,600
2024-08-19$274.48$274.48558,400
2024-08-16$268.24$268.24846,000
2024-08-15$262.70$262.70486,800
2024-08-14$262.89$262.89808,600
2024-08-13$267.63$267.63477,200
2024-08-12$270.18$270.18493,000
2024-08-09$269.52$269.52529,300
2024-08-08$270.46$270.46829,800
2024-08-07$260.17$260.171,160,000
2024-08-06$262.56$262.561,350,000
2024-08-05$265.00$265.001,362,300
2024-08-02$272.05$272.051,714,400
2024-08-01$268.61$268.612,420,000
2024-07-31$237.46$237.46874,700
2024-07-30$233.81$233.81529,800
2024-07-29$236.28$236.28456,000
2024-07-26$234.84$234.84524,500
2024-07-25$237.88$237.88615,700
2024-07-24$236.48$236.48622,700
2024-07-23$234.29$234.29746,000
2024-07-22$235.59$235.59537,400
2024-07-19$237.83$237.83878,600
2024-07-18$236.70$236.70892,900
2024-07-17$240.02$240.021,172,500
2024-07-16$249.83$249.831,134,400
2024-07-15$256.18$256.18799,900
2024-07-12$260.51$260.511,039,600
2024-07-11$261.02$261.02889,800
2024-07-10$257.76$257.76926,700
2024-07-09$254.74$254.74890,600
2024-07-08$255.11$255.11936,600
2024-07-05$251.03$251.03685,700
2024-07-03$248.68$248.68950,100
2024-07-02$247.61$247.611,579,300
2024-07-01$243.32$243.321,491,700
2024-06-28$243.00$243.003,246,500
2024-06-27$247.00$247.002,617,300
2024-06-26$245.17$245.172,854,400
2024-06-25$240.15$240.154,500,700
2024-06-24$222.90$222.909,193,800
2024-06-21$165.70$165.702,204,200
2024-06-20$157.40$157.40793,700
2024-06-18$153.86$153.86587,700
2024-06-17$157.30$157.30777,700
2024-06-14$160.39$160.39638,800
2024-06-13$160.05$160.05400,400
2024-06-12$159.04$159.04513,200
2024-06-11$156.43$156.43717,100
2024-06-10$153.47$153.47383,100
2024-06-07$152.78$152.78862,700
2024-06-06$149.30$149.30534,200
2024-06-05$152.06$152.06786,000
2024-06-04$149.76$149.76440,100
2024-06-03$150.45$150.45856,200
2024-05-31$148.43$148.431,250,300
2024-05-30$150.03$150.03655,700
2024-05-29$146.93$146.93876,000
2024-05-28$150.06$150.06510,300
2024-05-24$147.76$147.76506,800
2024-05-23$149.38$149.38500,500
2024-05-22$150.90$150.90350,700
2024-05-21$149.62$149.62448,600
2024-05-20$150.24$150.24368,600
2024-05-17$149.40$149.40481,200
2024-05-16$151.22$151.22934,900
2024-05-15$147.40$147.40536,100
2024-05-14$147.89$147.89604,900
2024-05-13$149.89$149.89512,800
2024-05-10$150.47$150.47322,800
2024-05-09$151.37$151.37329,200
2024-05-08$152.29$152.29452,300
2024-05-07$154.33$154.33353,400
2024-05-06$151.22$151.22289,700
2024-05-03$152.33$152.33452,200
2024-05-02$150.31$150.31660,200
2024-05-01$149.96$149.96735,800
2024-04-30$143.95$143.95477,000
2024-04-29$147.36$147.36439,800
2024-04-26$143.31$143.31479,100
2024-04-25$143.71$143.71489,300
2024-04-24$143.80$143.80395,400
2024-04-23$146.07$146.07543,700
2024-04-22$145.79$145.79400,000
2024-04-19$144.41$144.41703,200
2024-04-18$145.16$145.16398,900
2024-04-17$145.32$145.32601,300
2024-04-16$146.72$146.72352,400
2024-04-15$147.70$147.70498,900
2024-04-12$148.50$148.50428,100
2024-04-11$152.09$152.09473,400
2024-04-10$152.41$152.41571,400
2024-04-09$155.90$155.90596,000
2024-04-08$156.04$156.04738,200
2024-04-05$153.56$153.56351,500
2024-04-04$151.48$151.48531,900
2024-04-03$150.83$150.83315,100
2024-04-02$151.04$151.04445,600
2024-04-01$153.33$153.33523,300
2024-03-28$149.45$149.45666,600
2024-03-27$154.39$154.39463,000
2024-03-26$151.97$151.97532,500
2024-03-25$152.07$152.07799,300
2024-03-22$146.51$146.51834,200
2024-03-21$146.62$146.62611,500
2024-03-20$147.99$147.99439,800
2024-03-19$148.17$148.17517,200
2024-03-18$147.41$147.41460,700
2024-03-15$149.27$149.27906,200
2024-03-14$148.53$148.53505,800
2024-03-13$148.42$148.42859,000
2024-03-12$146.65$146.65683,600
2024-03-11$149.10$149.10662,000
2024-03-08$149.82$149.82637,600
2024-03-07$149.86$149.86563,900
2024-03-06$149.66$149.66521,500
2024-03-05$149.68$149.68703,400
2024-03-04$150.04$150.04991,900
2024-03-01$152.61$152.61538,900
2024-02-29$151.09$151.091,809,900
2024-02-28$155.23$155.231,262,500
2024-02-27$159.00$159.00674,800
2024-02-26$158.66$158.66556,200
2024-02-23$157.65$157.651,478,700
2024-02-22$162.81$162.811,174,400
2024-02-21$154.74$154.743,657,500
2024-02-20$149.69$149.691,338,400
2024-02-16$147.00$147.001,886,800
2024-02-15$147.43$147.435,429,600
2024-02-14$164.15$164.15931,400
2024-02-13$162.00$162.00800,300
2024-02-12$169.34$169.34790,200
2024-02-09$170.03$170.03481,000
2024-02-08$169.50$169.501,609,900
2024-02-07$168.60$168.60771,700
2024-02-06$172.18$172.181,443,800
2024-02-05$170.70$170.70602,400
2024-02-02$173.06$173.06646,500
2024-02-01$174.92$174.92624,800
2024-01-31$172.91$172.91862,000
2024-01-30$180.12$180.12475,800
2024-01-29$180.96$180.961,044,500
2024-01-26$179.62$179.62517,500
2024-01-25$183.93$183.93533,800
2024-01-24$185.20$185.20531,300
2024-01-23$189.70$189.70647,300
2024-01-22$183.92$183.92585,700
2024-01-19$184.03$184.03441,000
2024-01-18$185.95$185.95495,200
2024-01-17$188.56$188.56468,600
2024-01-16$187.49$187.49632,800
2024-01-12$193.39$193.39386,600
2024-01-11$195.08$195.08615,800
2024-01-10$196.61$196.61613,500
2024-01-09$198.20$198.20694,300
2024-01-08$196.83$196.83674,300
2024-01-05$189.38$189.38602,700
2024-01-04$192.31$192.31571,000
2024-01-03$190.64$190.64435,100
2024-01-02$194.93$194.93362,900