Halozyme Therapeutics (HALO) went public on March 16, 2004, when it opened at a split-adjusted price of $4.25.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
August 2026 | $82.42 | $109.65 | $81.75 | $105.35 | 47,535,286 |
July 2026 | $78.47 | $84.44 | $73.89 | $82.54 | 39,037,300 |
June 2026 | $66.21 | $78.95 | $65.60 | $78.27 | 40,034,500 |
May 2026 | $63.48 | $73.89 | $62.38 | $66.54 | 37,554,500 |
April 2026 | $65.14 | $70.32 | $62.27 | $63.66 | 29,284,600 |
March 2026 | $69.05 | $71.53 | $61.33 | $64.63 | 34,510,635 |
February 2026 | $72.00 | $82.22 | $68.23 | $69.53 | 42,693,800 |
January 2026 | $67.71 | $75.59 | $67.16 | $71.71 | 37,566,900 |
December 2025 | $71.97 | $72.00 | $61.23 | $67.30 | 46,916,900 |
November 2025 | $65.98 | $74.25 | $64.72 | $71.40 | 51,027,800 |
October 2025 | $75.20 | $76.30 | $63.78 | $65.19 | 44,489,000 |
September 2025 | $71.78 | $79.50 | $71.50 | $73.34 | 43,006,800 |
August 2025 | $59.82 | $74.07 | $58.53 | $73.15 | 46,254,400 |
July 2025 | $51.78 | $61.75 | $51.78 | $59.97 | 30,924,900 |
June 2025 | $55.69 | $56.32 | $51.06 | $52.02 | 59,385,400 |
May 2025 | $61.00 | $70.51 | $47.50 | $56.07 | 70,971,500 |
April 2025 | $64.06 | $64.17 | $55.71 | $61.42 | 33,028,762 |
March 2025 | $59.14 | $66.00 | $56.90 | $63.81 | 33,389,495 |
February 2025 | $55.12 | $60.67 | $54.96 | $59.15 | 22,339,129 |
January 2025 | $48.23 | $57.46 | $47.52 | $56.64 | 28,012,017 |
December 2024 | $48.12 | $49.79 | $46.26 | $47.81 | 27,434,080 |
November 2024 | $55.66 | $62.13 | $42.01 | $48.20 | 47,915,876 |
October 2024 | $56.97 | $62.00 | $48.84 | $50.57 | 30,766,353 |
September 2024 | $63.59 | $64.18 | $55.43 | $57.24 | 26,508,574 |
August 2024 | $55.52 | $65.53 | $51.46 | $63.85 | 29,527,069 |