Alphatec Holdings, Inc. (ATEC)
NASDAQ: ATEC · Real-Time Price · USD
12.28
-0.22 (-1.76%)
At close: Mar 13, 2026, 4:00 PM EDT
12.52
+0.24 (1.95%)
After-hours: Mar 13, 2026, 4:52 PM EDT
Alphatec Holdings Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 13, 2026 | 12.56 | 12.71 | 12.20 | 12.28 | 12.28 | -1.76% | 3,172,121 |
| Mar 12, 2026 | 12.41 | 12.58 | 12.25 | 12.50 | 12.50 | -1.26% | 2,228,277 |
| Mar 11, 2026 | 12.50 | 12.93 | 12.12 | 12.66 | 12.66 | 1.20% | 3,504,707 |
| Mar 10, 2026 | 12.87 | 12.87 | 12.30 | 12.51 | 12.51 | -2.80% | 2,228,454 |
| Mar 9, 2026 | 11.99 | 12.89 | 11.92 | 12.87 | 12.87 | 5.23% | 4,573,226 |
| Mar 6, 2026 | 12.26 | 12.39 | 12.04 | 12.23 | 12.23 | -2.70% | 1,851,281 |
| Mar 5, 2026 | 12.86 | 12.89 | 12.24 | 12.57 | 12.57 | -3.31% | 2,730,977 |
| Mar 4, 2026 | 12.84 | 13.21 | 12.74 | 13.00 | 13.00 | -0.15% | 1,984,449 |
| Mar 3, 2026 | 13.25 | 13.27 | 12.70 | 13.02 | 13.02 | -3.34% | 1,607,521 |
| Mar 2, 2026 | 13.30 | 13.67 | 13.14 | 13.47 | 13.47 | -1.10% | 1,974,745 |
| Feb 27, 2026 | 13.80 | 13.90 | 13.50 | 13.62 | 13.62 | -2.78% | 2,121,392 |
| Feb 26, 2026 | 14.21 | 14.45 | 13.57 | 14.01 | 14.01 | -0.21% | 1,988,610 |
| Feb 25, 2026 | 13.26 | 14.23 | 13.13 | 14.04 | 14.04 | 0.79% | 6,014,838 |
| Feb 24, 2026 | 13.18 | 13.98 | 13.00 | 13.93 | 13.93 | 5.85% | 5,771,277 |
| Feb 23, 2026 | 12.91 | 13.36 | 12.77 | 13.16 | 13.16 | 1.15% | 2,477,879 |
| Feb 20, 2026 | 13.63 | 13.63 | 12.80 | 13.01 | 13.01 | -3.49% | 2,575,076 |
| Feb 19, 2026 | 13.53 | 13.73 | 13.24 | 13.48 | 13.48 | -0.44% | 1,395,533 |
| Feb 18, 2026 | 13.77 | 13.91 | 13.51 | 13.54 | 13.54 | 0.30% | 2,913,305 |
| Feb 17, 2026 | 13.36 | 13.82 | 13.26 | 13.50 | 13.50 | 1.05% | 1,461,161 |
| Feb 13, 2026 | 13.22 | 13.56 | 13.22 | 13.36 | 13.36 | 1.98% | 1,832,660 |
| Feb 12, 2026 | 13.55 | 13.73 | 13.01 | 13.10 | 13.10 | -2.75% | 2,497,181 |
| Feb 11, 2026 | 13.80 | 14.31 | 13.28 | 13.47 | 13.47 | -3.09% | 2,229,597 |
| Feb 10, 2026 | 13.62 | 14.65 | 13.54 | 13.90 | 13.90 | 2.89% | 3,353,404 |
| Feb 9, 2026 | 13.84 | 13.84 | 13.33 | 13.51 | 13.51 | -2.24% | 2,437,030 |
| Feb 6, 2026 | 13.50 | 14.05 | 13.35 | 13.82 | 13.82 | 2.37% | 2,253,653 |
| Feb 5, 2026 | 14.06 | 14.21 | 13.43 | 13.50 | 13.50 | -3.98% | 3,270,074 |
| Feb 4, 2026 | 14.62 | 14.62 | 13.72 | 14.06 | 14.06 | -4.16% | 2,847,134 |
| Feb 3, 2026 | 14.46 | 14.91 | 14.30 | 14.67 | 14.67 | 1.24% | 3,273,503 |
| Feb 2, 2026 | 14.54 | 14.98 | 14.43 | 14.49 | 14.49 | -2.29% | 3,473,189 |
| Jan 30, 2026 | 15.00 | 15.22 | 14.54 | 14.83 | 14.83 | -0.13% | 3,354,986 |
| Jan 29, 2026 | 15.26 | 15.26 | 14.35 | 14.85 | 14.85 | -2.69% | 3,758,182 |
| Jan 28, 2026 | 15.27 | 15.55 | 14.97 | 15.26 | 15.26 | - | 2,058,174 |
| Jan 27, 2026 | 15.43 | 15.54 | 14.93 | 15.26 | 15.26 | -2.68% | 2,811,092 |
| Jan 26, 2026 | 15.58 | 16.10 | 15.58 | 15.68 | 15.68 | 0.38% | 2,319,118 |
| Jan 23, 2026 | 15.80 | 16.23 | 15.55 | 15.62 | 15.62 | -1.14% | 2,184,161 |
| Jan 22, 2026 | 16.91 | 17.12 | 15.78 | 15.80 | 15.80 | -7.22% | 4,530,541 |
| Jan 21, 2026 | 17.11 | 17.35 | 16.57 | 17.03 | 17.03 | -0.70% | 3,376,001 |
| Jan 20, 2026 | 17.25 | 17.48 | 16.85 | 17.15 | 17.15 | -3.33% | 3,329,478 |
| Jan 16, 2026 | 17.40 | 17.97 | 17.39 | 17.74 | 17.74 | 1.60% | 3,729,095 |
| Jan 15, 2026 | 16.15 | 17.50 | 16.00 | 17.46 | 17.46 | 9.47% | 7,942,897 |
| Jan 14, 2026 | 16.42 | 16.53 | 15.42 | 15.95 | 15.95 | -3.04% | 4,561,680 |
| Jan 13, 2026 | 17.60 | 17.84 | 16.15 | 16.45 | 16.45 | -6.48% | 8,671,395 |
| Jan 12, 2026 | 21.47 | 21.56 | 17.43 | 17.59 | 17.59 | -22.34% | 13,648,119 |
| Jan 9, 2026 | 22.65 | 22.89 | 21.99 | 22.65 | 22.65 | -0.13% | 2,453,590 |
| Jan 8, 2026 | 22.25 | 23.29 | 22.13 | 22.68 | 22.68 | 3.23% | 4,248,830 |
| Jan 7, 2026 | 22.02 | 22.22 | 21.73 | 21.97 | 21.97 | 0.83% | 1,415,576 |
| Jan 6, 2026 | 21.07 | 21.86 | 21.07 | 21.79 | 21.79 | 2.78% | 2,402,887 |
| Jan 5, 2026 | 20.53 | 21.37 | 20.48 | 21.20 | 21.20 | 2.12% | 1,685,391 |
| Jan 2, 2026 | 21.00 | 21.20 | 20.29 | 20.76 | 20.76 | -1.33% | 1,658,019 |
| Dec 31, 2025 | 20.92 | 21.30 | 20.89 | 21.04 | 21.04 | 0.86% | 1,498,780 |