• Sep 15, 2026

  $106.25-1.57%

  Halozyme shares fell 1.57% on a day when comparable biological products companies moved +0.18% on average, with the group split between decliners and advancers, indicating the decline was not shared by peers [1].

  • 1Peer group

• Sep 14, 2026

  $107.94+0.69%

  Halozyme shares rose 0.69%, a smaller gain than the 1.84% average move among comparable biological products companies, all six of which rose that day [1]. Volume was below the trailing average and the shares traded in a narrow range for the session [2].

  • 1Peer group
  • 2Market data

• Sep 11, 2026

  $107.20+0.19%

• Sep 10, 2026

  $107.00-0.36%

• Sep 9, 2026

  $107.39-0.85%

  Shares fell 0.85%, in line with comparable biological products companies, which moved -0.90% on average that day [1].

  • 1Peer group

• Sep 8, 2026

  $108.31-1.71%

  Halozyme fell 1.71%, a sharper decline than the comparable biological products companies, which moved -0.22% on average with four of six falling [1].

  • 1Peer group

• Sep 4, 2026

  $110.19-0.51%

  Shares slipped 0.51% as comparable biological products companies fell 1.24% on average, with all six names in the group lower on the day [1]. The decline came on lighter-than-usual trading, with volume at 0.4x its trailing average and the session ranging between 109.00 and 111.15 [2].

  • 1Peer group
  • 2Market data

Closing prices for HALO. Summaries describe past sessions only and are not advice, a forecast or a recommendation.

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