Annexon Stock Price History
NASDAQ: ANNXHealth CareBiotechnology: Pharmaceutical PreparationsUSD
4.02+0.02 (+0.50%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
ANNX price history at a glance
The price history for Annexon (ANNX) on this page begins on July 20, 2020, when the stock closed at $17.76; it most recently closed at $4.02 on October 5, 2026. The highest price in this record is $38.01, reached on February 22, 2021; the latest close is 89.4% below that peak. Across the 5 complete calendar years in the table, ANNX finished higher in 1 and lower in 4. Its best year was 2024 (+19.2%) and its worst was 2022 (-55.0%).
Over roughly 6 years the share price changed -77.4%, a -21.3% compound annual price return (excluding dividends). In the last 12 months alone, ANNX has gained 23.3%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2020
- $38.01
- Date of high
- Feb 22, 2021
- Low since 2020
- $1.29
- Date of low
- Apr 7, 2025
- 52-week high
- $7.18
- 52-week low
- $2.54
- IPO year
- 2020
- Last close
- $4.02
ANNX returns
1 week
-4.06%
1 month
-8.01%
3 months
-30.69%
6 months
-31.28%
Year to date
-19.92%
1 year
+23.31%
3 years
+146.63%
5 years
-81.73%
ANNX price return, excluding dividends.
ANNX annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 4.02 | -14.29% |
| 2025 | 4.69 | -13.31% |
| 2024 | 5.41 | +19.16% |
| 2023 | 4.54 | -12.19% |
| 2022 | 5.17 | -55.00% |
| 2021 | 11.49 | -54.10% |
| 2020* | 25.03 | +40.93% |
* Partial year: the record begins after the start of 2020; return measured from the first available close.
2026 return is year to date.
ANNX daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 3.97 | 4.14 | 3.97 | 4.02 | +0.50% | |
| 3.99 | 4.04 | 3.86 | 4.00 | -0.25% | |
| 3.99 | 4.18 | 3.91 | 4.01 | -0.50% | |
| 4.21 | 4.26 | 4.01 | 4.03 | -4.05% | |
| 4.25 | 4.31 | 4.06 | 4.20 | +0.24% | |
| 4.21 | 4.27 | 4.11 | 4.19 | +1.70% | |
| 4.18 | 4.38 | 4.12 | 4.12 | -2.60% | |
| 4.19 | 4.27 | 4.05 | 4.23 | +2.42% | |
| 4.00 | 4.24 | 3.94 | 4.13 | +2.99% | |
| 3.85 | 4.08 | 3.74 | 4.01 | +10.16% | |
| 3.81 | 3.85 | 3.63 | 3.64 | -4.21% | |
| 3.85 | 3.87 | 3.73 | 3.80 | -1.81% | |
| 4.18 | 4.19 | 3.81 | 3.87 | -7.42% | |
| 4.28 | 4.34 | 4.13 | 4.18 | -0.95% | |
| 4.27 | 4.36 | 4.12 | 4.22 | -0.24% | |
| 4.16 | 4.31 | 4.13 | 4.23 | +1.44% | |
| 3.92 | 4.22 | 3.92 | 4.17 | +6.11% | |
| 3.91 | 4.00 | 3.88 | 3.93 | +0.26% | |
| 3.93 | 3.98 | 3.79 | 3.92 | -0.76% | |
| 3.97 | 4.04 | 3.88 | 3.95 | +0.25% | |
| 4.20 | 4.20 | 3.92 | 3.94 | -4.83% | |
| 4.33 | 4.33 | 4.04 | 4.14 | -5.26% | |
| 4.60 | 4.66 | 4.34 | 4.37 | -6.42% | |
| 4.76 | 4.79 | 4.64 | 4.67 | -4.11% | |
| 4.81 | 4.91 | 4.79 | 4.87 | +0.62% | |
| 4.93 | 5.04 | 4.77 | 4.84 | -1.83% | |
| 4.90 | 5.08 | 4.78 | 4.93 | +0.82% | |
| 4.96 | 5.00 | 4.85 | 4.89 | -1.01% | |
| 4.99 | 5.04 | 4.83 | 4.94 | -0.60% | |
| 5.18 | 5.21 | 4.95 | 4.97 | -5.33% | |
| 5.00 | 5.32 | 4.91 | 5.25 | +5.21% | |
| 5.13 | 5.18 | 4.96 | 4.99 | -3.11% | |
| 5.13 | 5.23 | 5.09 | 5.15 | +1.78% | |
| 5.05 | 5.13 | 4.80 | 5.06 | -0.20% | |
| 5.24 | 5.28 | 5.02 | 5.07 | -2.12% | |
| 5.41 | 5.47 | 5.11 | 5.18 | -5.82% | |
| 5.45 | 5.59 | 5.34 | 5.50 | +4.17% | |
| 5.03 | 5.31 | 5.02 | 5.28 | +2.92% | |
| 5.26 | 5.29 | 5.06 | 5.13 | -3.02% | |
| 5.21 | 5.35 | 5.08 | 5.29 | +0.57% | |
| 5.36 | 5.40 | 5.20 | 5.26 | -1.31% | |
| 5.06 | 5.42 | 5.00 | 5.33 | -0.19% | |
| 5.40 | 5.45 | 5.17 | 5.34 | -0.93% | |
| 5.39 | 5.51 | 5.27 | 5.39 | -0.37% | |
| 5.63 | 5.70 | 5.39 | 5.41 | -3.39% | |
| 5.37 | 5.60 | 5.37 | 5.60 | +4.28% | |
| 5.40 | 5.43 | 5.26 | 5.37 | +0.75% | |
| 5.35 | 5.48 | 5.26 | 5.33 | +1.52% | |
| 5.07 | 5.27 | 4.89 | 5.25 | +3.04% | |
| 5.37 | 5.40 | 5.03 | 5.10 | -3.32% | |
| 4.88 | 5.30 | 4.83 | 5.27 | +8.44% | |
| 4.97 | 5.03 | 4.76 | 4.86 | -2.21% | |
| 5.12 | 5.20 | 4.90 | 4.97 | -3.12% | |
| 5.30 | 5.40 | 5.13 | 5.13 | -1.72% | |
| 5.43 | 5.61 | 5.16 | 5.22 | -1.51% | |
| 5.12 | 5.35 | 5.06 | 5.30 | +1.34% | |
| 5.28 | 5.37 | 5.15 | 5.23 | -2.97% | |
| 5.40 | 5.64 | 4.96 | 5.39 | -3.23% | |
| 5.78 | 5.92 | 5.54 | 5.57 | -3.97% | |
| 5.75 | 6.16 | 5.68 | 5.80 | -1.53% | |
| 6.50 | 6.58 | 5.78 | 5.89 | -9.38% | |
| 5.87 | 6.51 | 5.48 | 6.50 | +17.12% | |
| 5.67 | 5.79 | 5.41 | 5.55 | -1.42% | |
| 5.69 | 5.84 | 5.50 | 5.63 | -2.93% | |
| 5.90 | 5.90 | 5.49 | 5.80 | -2.36% | |
| 5.88 | 6.01 | 5.84 | 5.94 | -0.34% | |
| 6.35 | 6.51 | 5.84 | 5.96 | -7.31% | |
| 5.99 | 6.47 | 5.83 | 6.43 | +7.89% | |
| 5.43 | 6.09 | 5.39 | 5.96 | +9.16% | |
| 5.58 | 5.64 | 5.28 | 5.46 | -1.62% | |
| 5.71 | 6.04 | 5.44 | 5.55 | -2.80% | |
| 5.57 | 5.73 | 5.47 | 5.71 | +2.51% | |
| 5.48 | 5.65 | 5.42 | 5.57 | +1.64% | |
| 5.17 | 5.51 | 5.16 | 5.48 | +6.41% | |
| 5.35 | 5.56 | 5.05 | 5.15 | -2.83% | |
| 5.30 | 5.60 | 5.25 | 5.30 | +0.38% | |
| 4.99 | 5.39 | 4.95 | 5.28 | +4.76% | |
| 4.99 | 5.17 | 4.94 | 5.04 | +2.86% | |
| 5.10 | 5.21 | 4.82 | 4.90 | -0.81% | |
| 4.54 | 4.96 | 4.54 | 4.94 | +9.29% | |
| 4.64 | 4.72 | 4.46 | 4.52 | -2.59% | |
| 4.80 | 4.94 | 4.47 | 4.64 | -1.49% | |
| 4.70 | 4.83 | 4.59 | 4.71 | +0.21% | |
| 4.74 | 4.91 | 4.66 | 4.70 | -0.42% | |
| 5.15 | 5.30 | 4.68 | 4.72 | -9.23% | |
| 5.19 | 5.34 | 5.02 | 5.20 | +1.56% | |
| 5.39 | 5.46 | 5.11 | 5.12 | -3.21% | |
| 5.41 | 5.47 | 5.25 | 5.29 | -2.94% | |
| 5.39 | 5.69 | 5.32 | 5.45 | +1.11% | |
| 5.25 | 5.44 | 5.20 | 5.39 | +2.47% | |
| 5.47 | 5.47 | 5.22 | 5.26 | -5.73% | |
| 5.92 | 5.92 | 5.40 | 5.58 | +2.95% | |
| 5.37 | 5.48 | 5.24 | 5.42 | +0.93% | |
| 5.37 | 5.50 | 5.27 | 5.37 | -0.37% | |
| 5.55 | 5.64 | 5.38 | 5.39 | -2.36% | |
| 5.41 | 5.54 | 5.29 | 5.52 | +3.95% | |
| 5.45 | 5.57 | 5.25 | 5.31 | -2.39% | |
| 4.94 | 5.46 | 4.88 | 5.44 | +7.94% | |
| 4.97 | 5.10 | 4.94 | 5.04 | +2.65% | |
| 4.95 | 5.00 | 4.84 | 4.91 | -1.01% | |
| 5.20 | 5.35 | 4.91 | 4.96 | -4.80% | |
| 5.25 | 5.37 | 5.06 | 5.21 | -2.98% | |
| 5.45 | 5.53 | 5.33 | 5.37 | -1.47% | |
| 5.47 | 5.59 | 5.34 | 5.45 | +0.18% | |
| 5.62 | 5.62 | 5.44 | 5.44 | -4.23% | |
| 5.78 | 5.93 | 5.59 | 5.68 | -0.18% | |
| 5.62 | 6.03 | 5.56 | 5.69 | +3.08% | |
| 5.68 | 5.71 | 5.28 | 5.52 | -3.16% | |
| 5.80 | 5.82 | 5.65 | 5.70 | -0.35% | |
| 5.78 | 5.88 | 5.64 | 5.72 | +0.53% | |
| 5.68 | 5.92 | 5.62 | 5.69 | -1.04% | |
| 5.85 | 5.96 | 5.73 | 5.75 | -2.04% | |
| 5.93 | 6.01 | 5.83 | 5.87 | -0.34% | |
| 5.98 | 6.07 | 5.78 | 5.89 | -1.83% | |
| 6.03 | 6.26 | 5.95 | 6.00 | -1.64% | |
| 5.82 | 6.17 | 5.82 | 6.10 | +3.74% | |
| 6.06 | 6.11 | 5.81 | 5.88 | -2.97% | |
| 6.19 | 6.42 | 6.05 | 6.06 | -3.19% | |
| 6.31 | 6.32 | 6.13 | 6.26 | +0.97% | |
| 6.39 | 6.39 | 6.11 | 6.20 | -3.58% | |
| 6.48 | 6.53 | 6.24 | 6.43 | -1.68% | |
| 6.41 | 6.62 | 6.35 | 6.54 | +3.32% | |
| 6.27 | 6.39 | 6.10 | 6.33 | -0.31% | |
| 5.93 | 6.44 | 5.91 | 6.35 | +9.48% | |
| 5.86 | 5.95 | 5.75 | 5.80 | -0.17% | |
| 5.87 | 6.08 | 5.79 | 5.81 | -0.68% | |
| 6.20 | 6.21 | 5.72 | 5.85 | -4.72% | |
| 5.99 | 6.20 | 5.99 | 6.14 | +1.49% | |
| 6.24 | 6.37 | 5.99 | 6.05 | +1.00% | |
| 5.69 | 6.01 | 5.46 | 5.99 | +3.28% | |
| 5.50 | 5.94 | 5.46 | 5.80 | +5.45% | |
| 5.26 | 5.65 | 5.13 | 5.50 | +2.61% | |
| 5.68 | 5.99 | 5.35 | 5.36 | -3.25% | |
| 5.64 | 6.10 | 5.24 | 5.54 | +11.69% | |
| 5.01 | 5.14 | 4.86 | 4.96 | -0.80% | |
| 5.19 | 5.32 | 5.00 | 5.00 | -4.76% | |
| 5.23 | 5.33 | 5.01 | 5.25 | -2.14% | |
| 5.12 | 5.52 | 5.09 | 5.37 | +7.30% | |
| 5.25 | 5.30 | 4.95 | 5.00 | -6.89% | |
| 5.11 | 5.48 | 5.11 | 5.37 | +5.09% | |
| 5.45 | 5.62 | 5.06 | 5.11 | -6.92% | |
| 5.39 | 5.62 | 5.30 | 5.49 | +1.29% | |
| 5.63 | 5.68 | 5.38 | 5.42 | -3.39% | |
| 5.71 | 5.80 | 5.57 | 5.61 | -1.92% | |
| 5.76 | 5.94 | 5.63 | 5.72 | +1.06% | |
| 5.62 | 5.88 | 5.58 | 5.66 | +4.04% | |
| 5.77 | 5.95 | 5.43 | 5.44 | -9.78% | |
| 6.08 | 6.29 | 5.88 | 6.03 | -0.82% | |
| 5.67 | 6.20 | 5.67 | 6.08 | +8.77% | |
| 5.02 | 5.63 | 5.02 | 5.59 | +8.33% | |
| 5.26 | 5.38 | 5.01 | 5.16 | -4.97% | |
| 5.48 | 5.60 | 5.37 | 5.43 | -2.86% | |
| 5.46 | 5.64 | 5.37 | 5.59 | +2.95% | |
| 5.29 | 5.54 | 5.12 | 5.43 | -1.63% | |
| 5.57 | 5.73 | 5.32 | 5.52 | -1.43% | |
| 5.31 | 5.64 | 5.25 | 5.60 | +4.09% | |
| 5.12 | 5.43 | 4.96 | 5.38 | +5.70% | |
| 5.03 | 5.21 | 4.97 | 5.09 | +2.62% | |
| 4.93 | 5.06 | 4.89 | 4.96 | +1.43% | |
| 4.89 | 5.08 | 4.78 | 4.89 | -0.20% | |
| 5.05 | 5.11 | 4.86 | 4.90 | -3.92% | |
| 5.15 | 5.19 | 5.00 | 5.10 | +0.79% | |
| 4.98 | 5.18 | 4.93 | 5.06 | +0.40% | |
| 4.89 | 5.11 | 4.79 | 5.04 | +3.07% | |
| 5.22 | 5.37 | 4.87 | 4.89 | -5.78% | |
| 5.25 | 5.44 | 5.13 | 5.19 | -0.95% | |
| 5.66 | 5.75 | 5.09 | 5.24 | -6.60% | |
| 5.70 | 5.79 | 5.57 | 5.61 | -0.36% | |
| 5.71 | 5.71 | 5.46 | 5.63 | -1.75% | |
| 5.79 | 5.86 | 5.58 | 5.73 | +1.78% | |
| 5.93 | 6.21 | 5.43 | 5.63 | -6.79% | |
| 6.42 | 6.52 | 5.90 | 6.04 | -6.79% | |
| 6.36 | 6.59 | 6.30 | 6.48 | +1.57% | |
| 6.13 | 6.55 | 6.10 | 6.38 | +2.24% | |
| 6.65 | 6.84 | 6.16 | 6.24 | -4.29% | |
| 6.41 | 6.55 | 6.30 | 6.52 | +3.66% | |
| 6.63 | 6.63 | 6.26 | 6.29 | -4.26% | |
| 6.66 | 6.82 | 6.49 | 6.57 | -1.35% | |
| 6.70 | 6.75 | 6.42 | 6.66 | -1.77% | |
| 6.98 | 7.18 | 6.76 | 6.78 | -2.59% | |
| 6.87 | 7.06 | 6.86 | 6.96 | +1.61% | |
| 6.17 | 6.88 | 6.17 | 6.85 | +11.20% | |
| 6.06 | 6.19 | 5.85 | 6.16 | +1.48% | |
| 6.20 | 6.28 | 6.05 | 6.07 | -1.46% | |
| 6.69 | 6.76 | 6.15 | 6.16 | -7.78% | |
| 6.20 | 6.83 | 6.00 | 6.68 | +7.92% | |
| 5.53 | 6.30 | 5.50 | 6.19 | +11.33% | |
| 5.25 | 5.57 | 5.12 | 5.56 | +5.90% | |
| 5.38 | 5.54 | 5.22 | 5.25 | -0.76% | |
| 5.52 | 5.54 | 5.26 | 5.29 | -4.34% | |
| 5.10 | 5.73 | 5.10 | 5.53 | +8.43% | |
| 5.17 | 5.17 | 4.95 | 5.10 | -2.30% | |
| 4.74 | 5.23 | 4.55 | 5.22 | +11.30% | |
| 5.10 | 5.16 | 4.65 | 4.69 | -6.57% | |
| 5.04 | 5.12 | 4.95 | 5.02 | -0.40% | |
| 5.02 | 5.18 | 4.95 | 5.04 | +0.80% | |
| 5.04 | 5.18 | 4.99 | 5.00 | -2.15% | |
| 5.16 | 5.27 | 4.94 | 5.11 | -1.35% | |
| 5.15 | 5.29 | 5.11 | 5.18 | +1.37% | |
| 5.32 | 5.32 | 5.04 | 5.11 | -1.54% | |
| 5.18 | 5.48 | 5.11 | 5.19 | +0.39% | |
| 4.86 | 5.42 | 4.85 | 5.17 | +7.26% | |
| 4.99 | 5.11 | 4.81 | 4.82 | -1.63% | |
| 4.82 | 4.98 | 4.81 | 4.90 | +2.08% | |
| 4.91 | 5.01 | 4.75 | 4.80 | -2.24% | |
| 4.99 | 5.07 | 4.80 | 4.91 | -1.21% | |
| 5.03 | 5.34 | 4.95 | 4.97 | -1.39% | |
| 4.91 | 5.13 | 4.89 | 5.04 | +2.86% | |
| 4.85 | 5.00 | 4.84 | 4.90 | +0.82% | |
| 4.87 | 4.98 | 4.79 | 4.86 | 0.00% | |
| 4.72 | 5.00 | 4.71 | 4.86 | +5.42% | |
| 4.48 | 4.74 | 4.48 | 4.61 | +2.67% | |
| 4.45 | 4.55 | 4.25 | 4.49 | +4.91% | |
| 4.10 | 4.31 | 4.08 | 4.28 | +5.42% | |
| 4.26 | 4.44 | 4.01 | 4.06 | -1.69% | |
| 4.42 | 4.50 | 4.07 | 4.13 | -8.22% | |
| 4.36 | 4.64 | 4.35 | 4.50 | +4.17% | |
| 4.41 | 4.45 | 4.26 | 4.32 | -2.70% | |
| 4.53 | 4.60 | 4.33 | 4.44 | -1.55% | |
| 4.45 | 4.70 | 4.37 | 4.51 | +5.62% | |
| 4.29 | 4.42 | 4.17 | 4.27 | 0.00% | |
| 4.40 | 5.07 | 4.25 | 4.27 | +5.17% | |
| 3.58 | 4.20 | 3.50 | 4.06 | +26.87% | |
| 3.02 | 3.29 | 2.99 | 3.20 | +5.96% | |
| 2.69 | 3.12 | 2.67 | 3.02 | +11.44% | |
| 2.68 | 2.90 | 2.65 | 2.71 | +1.12% | |
| 2.57 | 2.83 | 2.54 | 2.68 | -5.63% | |
| 2.96 | 2.97 | 2.74 | 2.84 | -4.38% | |
| 2.95 | 3.03 | 2.86 | 2.97 | -0.34% | |
| 2.92 | 3.01 | 2.90 | 2.98 | +3.47% | |
| 2.98 | 2.98 | 2.66 | 2.88 | -4.64% | |
| 3.08 | 3.12 | 2.92 | 3.02 | +0.33% | |
| 3.08 | 3.15 | 2.98 | 3.01 | -2.27% | |
| 3.05 | 3.16 | 3.02 | 3.08 | -2.84% | |
| 3.20 | 3.37 | 3.09 | 3.17 | +0.32% | |
| 2.93 | 3.24 | 2.89 | 3.16 | +7.85% | |
| 3.16 | 3.20 | 2.91 | 2.93 | -8.15% | |
| 3.45 | 3.50 | 3.17 | 3.19 | -7.54% | |
| 3.52 | 3.60 | 3.43 | 3.45 | -2.54% | |
| 3.26 | 3.55 | 3.26 | 3.54 | +10.28% | |
| 3.06 | 3.34 | 3.06 | 3.21 | +5.25% | |
| 2.99 | 3.06 | 2.91 | 3.05 | +1.67% | |
| 3.13 | 3.15 | 2.89 | 3.00 | -4.15% | |
| 3.17 | 3.22 | 3.05 | 3.13 | -0.95% | |
| 3.23 | 3.29 | 3.13 | 3.16 | +0.32% | |
| 3.14 | 3.36 | 3.09 | 3.15 | -0.63% | |
| 3.08 | 3.26 | 3.05 | 3.17 | +4.28% | |
| 3.00 | 3.21 | 2.95 | 3.04 | +1.33% | |
| 2.93 | 3.05 | 2.86 | 3.00 | -0.17% | |
| 3.12 | 3.18 | 2.93 | 3.01 | -3.06% | |
| 3.26 | 3.26 | 2.93 | 3.10 | -4.91% | |
| 3.15 | 3.30 | 3.09 | 3.26 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ANNX chart for longer ranges.