NASDAQ:ANNX | Historical Stock Price | Annexon, 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
2020-07-24 to 2026-09-04
Data captured

Stock Price Chart

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

$1.36$2.61$5.02$9.64$18.52$35.582020-07-242026-08-27

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

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Historical Stock Price — 2026

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2026-09-04$4.8083,276
2026-09-03$4.97264,151
2026-09-02$4.93123,181
2026-09-01$4.99113,593
2026-08-31$4.99175,847
2026-08-28$5.20123,291
2026-08-27$5.25$5.253,022,700$4.96295,660
2026-08-26$4.99$4.992,276,000$5.18231,486
2026-08-25$5.15$5.152,941,800$5.15225,119
2026-08-24$5.06$5.063,374,200$5.05183,143
2026-08-21$5.07$5.071,428,500$5.2198,052
2026-08-20$5.18$5.181,669,700$5.46133,123
2026-08-19$5.50$5.503,504,300$5.45276,537
2026-08-18$5.28$5.282,244,300$5.08128,264
2026-08-17$5.13$5.133,625,100$5.18275,497
2026-08-14$5.29$5.292,990,200$5.16193,555
2026-08-13$5.26$5.263,122,800$5.34284,461
2026-08-12$5.33$5.333,950,400$5.10276,964
2026-08-11$5.34$5.34924,800$5.4294,915
2026-08-10$5.39$5.391,960,200$5.40260,981
2026-08-07$5.41$5.412,045,900$5.66154,010
2026-08-06$5.60$5.603,049,300$5.43286,339
2026-08-05$5.37$5.371,770,800$5.37159,299
2026-08-04$5.33$5.332,561,900$5.33174,116
2026-08-03$5.25$5.252,691,800$5.06172,060
2026-07-31$5.10$5.102,800,700$5.40172,129
2026-07-30$5.27$5.272,612,600$4.92190,119
2026-07-29$4.86$4.863,464,000$5.03219,284
2026-07-28$4.97$4.972,493,900$5.17194,648
2026-07-27$5.13$5.131,634,600$5.23129,850
2026-07-24$5.22$5.222,733,800$5.47205,860
2026-07-23$5.30$5.302,194,300$5.12228,334
2026-07-22$5.23$5.231,619,900$5.27119,057
2026-07-21$5.39$5.392,956,300$5.33173,220
2026-07-20$5.57$5.572,216,300$5.83199,625
2026-07-17$5.80$5.803,341,500
2026-07-16$5.89$5.897,711,300
2026-07-15$6.50$6.508,846,400
2026-07-14$5.55$5.555,555,900
2026-07-13$5.63$5.633,040,200
2026-07-10$5.80$5.802,736,900
2026-07-09$5.94$5.944,836,200
2026-07-08$5.96$5.967,549,000
2026-07-07$6.43$6.435,759,400
2026-07-06$5.96$5.966,778,900
2026-07-02$5.46$5.462,561,800
2026-07-01$5.55$5.554,919,700
2026-06-30$5.71$5.713,633,700
2026-06-29$5.57$5.578,568,200
2026-06-26$5.48$5.4814,807,100
2026-06-25$5.15$5.153,830,600
2026-06-24$5.30$5.303,303,500
2026-06-23$5.28$5.285,852,100
2026-06-22$5.04$5.043,039,300
2026-06-18$4.90$4.907,342,600
2026-06-17$4.94$4.942,376,500
2026-06-16$4.52$4.522,409,000
2026-06-15$4.64$4.642,898,000
2026-06-12$4.71$4.713,196,000
2026-06-11$4.70$4.701,673,900
2026-06-10$4.72$4.722,627,000
2026-06-09$5.20$5.203,194,900
2026-06-08$5.12$5.123,315,500
2026-06-05$5.29$5.291,762,600
2026-06-04$5.45$5.453,229,800
2026-06-03$5.39$5.392,921,900
2026-06-02$5.26$5.262,105,100
2026-06-01$5.58$5.584,731,700
2026-05-29$5.42$5.422,176,800
2026-05-28$5.37$5.372,720,200
2026-05-27$5.39$5.391,930,800
2026-05-26$5.52$5.524,503,900
2026-05-22$5.31$5.312,180,200
2026-05-21$5.44$5.443,012,100
2026-05-20$5.04$5.041,808,600
2026-05-19$4.91$4.912,576,200
2026-05-18$4.96$4.963,279,900
2026-05-15$5.21$5.211,850,600
2026-05-14$5.37$5.371,587,700
2026-05-13$5.45$5.452,253,600
2026-05-12$5.44$5.441,189,700
2026-05-11$5.68$5.682,275,100
2026-05-08$5.69$5.692,011,700
2026-05-07$5.52$5.522,357,600
2026-05-06$5.70$5.701,351,400
2026-05-05$5.72$5.721,917,600
2026-05-04$5.69$5.692,335,700
2026-05-01$5.75$5.751,234,000
2026-04-30$5.87$5.872,174,800
2026-04-29$5.89$5.892,572,000
2026-04-28$6.00$6.002,164,000
2026-04-27$6.10$6.103,090,500
2026-04-24$5.88$5.881,393,800
2026-04-23$6.06$6.062,087,300
2026-04-22$6.26$6.261,848,100
2026-04-21$6.20$6.201,695,200
2026-04-20$6.43$6.431,429,200
2026-04-17$6.54$6.543,001,000
2026-04-16$6.33$6.332,413,600
2026-04-15$6.35$6.354,342,100
2026-04-14$5.80$5.802,146,600
2026-04-13$5.81$5.811,509,800
2026-04-10$5.85$5.852,146,000
2026-04-09$6.14$6.141,280,700
2026-04-08$6.05$6.052,468,300
2026-04-07$5.99$5.992,247,300
2026-04-06$5.80$5.803,337,800
2026-04-02$5.50$5.503,331,300
2026-04-01$5.36$5.362,451,600
2026-03-31$5.54$5.544,932,600
2026-03-30$4.96$4.962,294,200
2026-03-27$5.00$5.001,751,500
2026-03-26$5.25$5.252,851,100
2026-03-25$5.37$5.372,173,600
2026-03-24$5.00$5.002,714,800
2026-03-23$5.37$5.372,008,000
2026-03-20$5.11$5.1110,013,200
2026-03-19$5.49$5.492,741,100
2026-03-18$5.42$5.422,807,800
2026-03-17$5.61$5.611,887,500
2026-03-16$5.72$5.723,419,400
2026-03-13$5.66$5.661,598,400
2026-03-12$5.44$5.442,463,200
2026-03-11$6.03$6.031,338,900
2026-03-10$6.08$6.082,222,300
2026-03-09$5.59$5.592,107,200
2026-03-06$5.16$5.161,792,700
2026-03-05$5.43$5.433,159,100
2026-03-04$5.59$5.593,264,000
2026-03-03$5.43$5.436,163,900
2026-03-02$5.52$5.523,068,800
2026-02-27$5.60$5.604,704,200
2026-02-26$5.38$5.384,159,200
2026-02-25$5.09$5.092,837,200
2026-02-24$4.96$4.962,674,700
2026-02-23$4.89$4.891,597,700
2026-02-20$4.90$4.901,749,100
2026-02-19$5.10$5.101,406,300
2026-02-18$5.06$5.061,858,200
2026-02-17$5.04$5.042,090,000
2026-02-13$4.89$4.891,904,000
2026-02-12$5.19$5.192,216,000
2026-02-11$5.24$5.242,489,000
2026-02-10$5.61$5.613,347,400
2026-02-09$5.63$5.631,716,500
2026-02-06$5.73$5.732,060,600
2026-02-05$5.63$5.632,384,600
2026-02-04$6.04$6.041,884,600
2026-02-03$6.48$6.481,435,500
2026-02-02$6.38$6.381,571,800
2026-01-30$6.24$6.241,840,900
2026-01-29$6.52$6.521,287,900
2026-01-28$6.29$6.293,741,700
2026-01-27$6.57$6.572,449,800
2026-01-26$6.66$6.661,714,400
2026-01-23$6.78$6.782,337,100
2026-01-22$6.96$6.962,780,300
2026-01-21$6.85$6.852,997,400
2026-01-20$6.16$6.161,949,800
2026-01-16$6.07$6.071,616,900
2026-01-15$6.16$6.162,970,200
2026-01-14$6.68$6.684,643,900
2026-01-13$6.19$6.192,793,900
2026-01-12$5.56$5.561,816,400
2026-01-09$5.25$5.251,870,700
2026-01-08$5.29$5.292,428,700
2026-01-07$5.53$5.533,142,200
2026-01-06$5.10$5.103,203,700
2026-01-05$5.22$5.225,408,500
2026-01-02$4.69$4.692,102,600