Annexon, Inc. (ANNX)
NASDAQ: ANNX · Real-Time Price · USD
4.230
+0.060 (1.44%)
At close: Sep 18, 2026, 4:00 PM EDT
4.290
+0.060 (1.42%)
After-hours: Sep 18, 2026, 7:30 PM EDT
Annexon Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 18, 2026 | 4.16 | 4.31 | 4.13 | 4.23 | 4.23 | 1.44% | 4,935,578 |
| Sep 17, 2026 | 3.92 | 4.22 | 3.92 | 4.17 | 4.17 | 6.11% | 3,118,279 |
| Sep 16, 2026 | 3.91 | 4.00 | 3.88 | 3.93 | 3.93 | 0.26% | 4,513,926 |
| Sep 15, 2026 | 3.93 | 3.98 | 3.79 | 3.92 | 3.92 | -0.76% | 2,960,538 |
| Sep 14, 2026 | 3.97 | 4.04 | 3.88 | 3.95 | 3.95 | 0.25% | 2,896,023 |
| Sep 11, 2026 | 4.20 | 4.20 | 3.92 | 3.94 | 3.94 | -4.83% | 3,935,098 |
| Sep 10, 2026 | 4.33 | 4.33 | 4.04 | 4.14 | 4.14 | -5.26% | 4,204,025 |
| Sep 9, 2026 | 4.60 | 4.66 | 4.34 | 4.37 | 4.37 | -6.42% | 5,527,834 |
| Sep 8, 2026 | 4.76 | 4.79 | 4.64 | 4.67 | 4.67 | -4.11% | 2,131,656 |
| Sep 4, 2026 | 4.81 | 4.91 | 4.79 | 4.87 | 4.87 | 0.62% | 1,227,540 |
| Sep 3, 2026 | 4.93 | 5.04 | 4.77 | 4.84 | 4.84 | -1.83% | 2,312,951 |
| Sep 2, 2026 | 4.90 | 5.08 | 4.78 | 4.93 | 4.93 | 0.82% | 1,842,171 |
| Sep 1, 2026 | 4.96 | 5.00 | 4.85 | 4.89 | 4.89 | -1.01% | 1,472,223 |
| Aug 31, 2026 | 4.99 | 5.04 | 4.83 | 4.94 | 4.94 | -0.60% | 2,349,262 |
| Aug 28, 2026 | 5.18 | 5.21 | 4.95 | 4.97 | 4.97 | -5.33% | 1,618,594 |
| Aug 27, 2026 | 5.00 | 5.32 | 4.91 | 5.25 | 5.25 | 5.21% | 3,024,099 |
| Aug 26, 2026 | 5.13 | 5.18 | 4.96 | 4.99 | 4.99 | -3.11% | 2,276,561 |
| Aug 25, 2026 | 5.13 | 5.23 | 5.09 | 5.15 | 5.15 | 1.78% | 2,941,791 |
| Aug 24, 2026 | 5.05 | 5.13 | 4.80 | 5.06 | 5.06 | -0.20% | 3,378,232 |
| Aug 21, 2026 | 5.24 | 5.28 | 5.02 | 5.07 | 5.07 | -2.12% | 1,430,254 |
| Aug 20, 2026 | 5.41 | 5.47 | 5.11 | 5.18 | 5.18 | -5.82% | 1,670,076 |
| Aug 19, 2026 | 5.45 | 5.59 | 5.34 | 5.50 | 5.50 | 4.17% | 3,504,308 |
| Aug 18, 2026 | 5.03 | 5.31 | 5.02 | 5.28 | 5.28 | 2.92% | 2,244,310 |
| Aug 17, 2026 | 5.26 | 5.29 | 5.06 | 5.13 | 5.13 | -3.02% | 3,625,359 |
| Aug 14, 2026 | 5.21 | 5.35 | 5.08 | 5.29 | 5.29 | 0.57% | 2,990,327 |
| Aug 13, 2026 | 5.36 | 5.40 | 5.20 | 5.26 | 5.26 | -1.31% | 3,122,829 |
| Aug 12, 2026 | 5.06 | 5.42 | 5.00 | 5.33 | 5.33 | -0.19% | 3,950,406 |
| Aug 11, 2026 | 5.40 | 5.45 | 5.17 | 5.34 | 5.34 | -0.93% | 924,795 |
| Aug 10, 2026 | 5.39 | 5.51 | 5.27 | 5.39 | 5.39 | -0.37% | 1,960,169 |
| Aug 7, 2026 | 5.63 | 5.70 | 5.39 | 5.41 | 5.41 | -3.39% | 2,045,960 |
| Aug 6, 2026 | 5.37 | 5.60 | 5.37 | 5.60 | 5.60 | 4.28% | 3,049,250 |
| Aug 5, 2026 | 5.40 | 5.43 | 5.26 | 5.37 | 5.37 | 0.75% | 1,770,792 |
| Aug 4, 2026 | 5.35 | 5.48 | 5.26 | 5.33 | 5.33 | 1.52% | 2,561,996 |
| Aug 3, 2026 | 5.07 | 5.27 | 4.89 | 5.25 | 5.25 | 3.04% | 2,691,798 |
| Jul 31, 2026 | 5.37 | 5.40 | 5.03 | 5.10 | 5.10 | -3.32% | 2,800,727 |
| Jul 30, 2026 | 4.88 | 5.30 | 4.83 | 5.27 | 5.27 | 8.44% | 2,612,790 |
| Jul 29, 2026 | 4.97 | 5.03 | 4.76 | 4.86 | 4.86 | -2.21% | 3,464,094 |
| Jul 28, 2026 | 5.12 | 5.20 | 4.90 | 4.97 | 4.97 | -3.12% | 2,495,623 |
| Jul 27, 2026 | 5.30 | 5.40 | 5.13 | 5.13 | 5.13 | -1.72% | 1,634,974 |
| Jul 24, 2026 | 5.43 | 5.61 | 5.16 | 5.22 | 5.22 | -1.51% | 2,733,766 |
| Jul 23, 2026 | 5.12 | 5.35 | 5.06 | 5.30 | 5.30 | 1.34% | 2,194,269 |
| Jul 22, 2026 | 5.28 | 5.37 | 5.15 | 5.23 | 5.23 | -2.97% | 1,619,854 |
| Jul 21, 2026 | 5.40 | 5.64 | 4.96 | 5.39 | 5.39 | -3.23% | 2,956,278 |
| Jul 20, 2026 | 5.78 | 5.92 | 5.54 | 5.57 | 5.57 | -3.97% | 2,216,349 |
| Jul 17, 2026 | 5.75 | 6.16 | 5.68 | 5.80 | 5.80 | -1.53% | 3,341,464 |
| Jul 16, 2026 | 6.50 | 6.58 | 5.78 | 5.89 | 5.89 | -9.38% | 7,711,289 |
| Jul 15, 2026 | 5.87 | 6.51 | 5.48 | 6.50 | 6.50 | 17.12% | 8,846,423 |
| Jul 14, 2026 | 5.67 | 5.79 | 5.41 | 5.55 | 5.55 | -1.42% | 5,555,931 |
| Jul 13, 2026 | 5.69 | 5.84 | 5.50 | 5.63 | 5.63 | -2.93% | 3,040,205 |
| Jul 10, 2026 | 5.90 | 5.90 | 5.49 | 5.80 | 5.80 | -2.36% | 2,736,861 |