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Horizon Investment Services’s Halozyme HALO Stock Holding History

Horizon Investment Services’s Portfolio HALO Stock Details HALO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2M Buy
30,892
+180
+0.6% +$12.7K 0.69% 46
2025
Q4 		$2.07M Buy
30,712
+422
+1% +$28.4K 0.74% 37
2025
Q3 		$2.22M Buy
30,290
+3,228
+12% +$214K 0.84% 35
2025
Q2 		$1.41M Buy
27,062
+12,596
+87% +$717K 0.62% 42
2025
Q1 		$923K Buy
14,466
+9,707
+204% +$564K 0.45% 54
2024
Q4 		$228K Sell
4,759
-23,707
-83% -$1.22M 0.1% 115
2024
Q3 		$1.63M Buy
+28,466
New +$1.63M 0.7% 47

Other funds holding HALO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Horizon Investment Services's HALO Position: Q1 2026 in Review

Horizon Investment Services increased its Halozyme (HALO) stake by 0.59% in Q1 2026, buying an estimated $12.7K and bringing the position to 30,892 shares worth $2M. The position accounts for 0.69% of the portfolio, ranked #46.

Horizon Investment Services first reported a position in HALO in Q3 2024 and has held it in 7 quarters since. The position peaked at $2.22M in Q3 2025. 634 funds tracked by Wall St. Rank hold HALO as of Q1 2026.

  • Horizon Investment Services held 30,892 shares of Halozyme worth $2M as of Q1 2026.
  • Horizon Investment Services bought 180 Halozyme shares in Q1 2026, an estimated $12.7K.
  • Halozyme made up 0.69% of Horizon Investment Services's portfolio in Q1 2026, its #46 holding.
  • Horizon Investment Services first reported a position in Halozyme in Q3 2024 and has held it in 7 quarters since.
  • Horizon Investment Services's Halozyme position peaked at $2.22M in Q3 2025.
  • 634 funds tracked by Wall St. Rank held Halozyme as of Q1 2026.

Based on Horizon Investment Services's 13F filing for Q1 2026, filed 15 May 2026.