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 		– Sell
-10,248
Closed -$699K – 1530
2026
Q1 		$662K Buy
+10,248
New +$722K 0.01% 860
2025
Q3 		– Sell
-3,777
Closed -$196K – 1613
2025
Q2 		$196K Buy
+3,777
New +$215K ﹤0.01% 1511
2024
Q4 		– Sell
-1,575
Closed -$80.8K – 1711
2024
Q3 		$90.2K Buy
+1,575
New +$90.3K ﹤0.01% 1377
2023
Q4 		– Sell
-1,550
Closed -$58.4K – 1457
2023
Q3 		$59.2K Sell
1,550
-89
-5% -$3.65K ﹤0.01% 1121
2023
Q2 		$59.1K Sell
1,639
-17,526
-91% -$598K ﹤0.01% 1151
2023
Q1 		$732K Sell
19,165
-15,324
-44% -$719K ﹤0.01% 1041
2022
Q4 		$1.96M Buy
34,489
+26,934
+357% +$1.38M ﹤0.01% 941
2022
Q3 		$299K Buy
7,555
+7,146
+1,747% +$316K ﹤0.01% 1159
2022
Q2 		$18K Buy
+409
New +$17.7K ﹤0.01% 1406
2021
Q3 		– Sell
-2,546
Closed -$116K – 1654
2021
Q2 		$116K Sell
2,546
-874
-26% -$38.7K ﹤0.01% 1215
2021
Q1 		$143K Buy
3,420
+705
+26% +$32.2K ﹤0.01% 1162
2020
Q4 		$116K Buy
+2,715
New +$97.6K ﹤0.01% 1123

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. 668 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.
  • 668 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.