Twin Tree Management
HALO icon

Twin Tree Management’s Halozyme HALO Stock Holding History

Twin Tree Management’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
Q2 		$2.11M Sell
27,000
-10,300
-28% -$702K 0.04% 552
2026
Q1 		$2.41M Buy
+37,300
New +$2.63M 0.05% 415
2025
Q3 		– Sell
-100
Closed -$5.2K – 1612
2025
Q2 		$5.2K Sell
100
-11,500
-99% -$654K ﹤0.01% 1543
2025
Q1 		$740K Sell
11,600
-89,000
-88% -$5.17M ﹤0.01% 1305
2024
Q4 		$4.81M Buy
+100,600
New +$5.16M 0.01% 936
2024
Q3 		– Sell
-8,600
Closed -$450K – 1619
2024
Q2 		$450K Buy
8,600
+2,000
+30% +$87.7K ﹤0.01% 1124
2024
Q1 		$268K Hold
6,600
– – ﹤0.01% 1137
2023
Q4 		$244K Buy
+6,600
New +$249K ﹤0.01% 1243

Other funds holding HALO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

Twin Tree Management's HALO Position: Q2 2026 in Review

Twin Tree Management sold out of Halozyme (HALO) in Q2 2026, closing a stake of 10,248 shares — an estimated $699K sold.

Twin Tree Management first reported a position in HALO in Q4 2020 and held it in 12 quarters. The position peaked at $1.96M in Q4 2022. 671 funds tracked by Wall St. Rank hold HALO as of Q2 2026.

  • Twin Tree Management reported no remaining Halozyme position as of Q2 2026 after selling out during the quarter.
  • Twin Tree Management sold 10,248 Halozyme shares in Q2 2026, an estimated $699K.
  • Twin Tree Management first reported a position in Halozyme in Q4 2020 and held it in 12 quarters.
  • Twin Tree Management's Halozyme position peaked at $1.96M in Q4 2022.
  • 671 funds tracked by Wall St. Rank held Halozyme as of Q2 2026.

Based on Twin Tree Management's 13F filing for Q2 2026, filed 12 Aug 2026.