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William Blair Investment Management, LLC
William Blair Investment Management, LLC
HALO
Showing 3 of 20 quarters
Position history for William Blair Investment Management, LLC's holdings in Halozyme Therapeutics, Inc.
Yes. William Blair Investment Management holds 2,511,050 shares of HALO (Halozyme Therapeutics), worth $196.5M, as of its Q2 2026 13F filing. It reduced the position by 14,925 shares (-0.6%) from Q1 2026. William Blair Investment Management has held HALO since Q4 2025, across 3 quarterly 13F filings. HALO is 0.6% of William Blair Investment Management's reported 13F portfolio.
Current Value
$196.5M
Current Shares
2.5M
Total Value Change
+$72.5M
Total Shares Change
+668,094
Quarter-by-Quarter History