Walleye Trading
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Walleye Trading’s Halozyme HALO Stock Holding History

Walleye Trading’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 		– Sell
-1,300
Closed -$87.5K – 4360
2025
Q4 		$87.5K Buy
+1,300
New +$87.4K ﹤0.01% 3794
2025
Q3 		– Sell
-300
Closed -$15.6K – 4559
2025
Q2 		$15.6K Sell
300
-400
-57% -$22.8K ﹤0.01% 3997
2025
Q1 		$44.7K Buy
+700
New +$40.7K ﹤0.01% 3639
2024
Q4 		– Sell
-10,600
Closed -$607K – 4400
2024
Q3 		$607K Buy
+10,600
New +$608K ﹤0.01% 2398
2024
Q1 		– Sell
-3,000
Closed -$111K – 5003
2023
Q4 		$111K Hold
3,000
– – ﹤0.01% 4105
2023
Q3 		$115K Buy
+3,000
New +$123K ﹤0.01% 3904
2023
Q1 		– Sell
-52,700
Closed -$3M – 5051
2022
Q4 		$3M Buy
52,700
+40,700
+339% +$2.08M 0.01% 1405
2022
Q3 		$474K Buy
12,000
+9,400
+362% +$415K ﹤0.01% 2962
2022
Q2 		$114K Buy
2,600
+200
+8% +$8.65K ﹤0.01% 4064
2022
Q1 		$96K Sell
2,400
-4,200
-64% -$150K ﹤0.01% 4264
2021
Q4 		$265K Buy
6,600
+4,300
+187% +$161K ﹤0.01% 3609
2021
Q3 		$94K Buy
+2,300
New +$96.2K ﹤0.01% 4395
2021
Q2 		– Sell
-11,900
Closed -$496K – 5316
2021
Q1 		$496K Sell
11,900
-3,600
-23% -$164K ﹤0.01% 2665
2020
Q4 		$662K Buy
15,500
+2,200
+17% +$79.1K ﹤0.01% 2407
2020
Q3 		$350K Sell
13,300
-6,100
-31% -$170K ﹤0.01% 2550
2020
Q2 		$520K Hold
19,400
– – ﹤0.01% 2259
2020
Q1 		$349K Buy
19,400
+19,200
+9,600% +$364K ﹤0.01% 2175
2019
Q4 		$4K Sell
200
-9,000
-98% -$156K ﹤0.01% 4122
2019
Q3 		$143K Buy
9,200
+5,700
+163% +$93.9K ﹤0.01% 3146
2019
Q2 		$60K Buy
+3,500
New +$56.5K ﹤0.01% 3477
2018
Q3 		– Sell
-15,200
Closed -$256K – 5382
2018
Q2 		$256K Buy
+15,200
New +$287K ﹤0.01% 3425

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

Walleye Trading's HALO Position: Q2 2025 in Review

Walleye Trading sold out of Halozyme (HALO) in Q2 2025, closing a stake of 2,366 shares — an estimated $135K sold.

Walleye Trading first reported a position in HALO in Q2 2015 and held it in 18 quarters. The position peaked at $2.05M in Q4 2022. 551 funds tracked by Wall St. Rank hold HALO as of Q2 2025.

  • Walleye Trading reported no remaining Halozyme position as of Q2 2025 after selling out during the quarter.
  • Walleye Trading sold 2,366 Halozyme shares in Q2 2025, an estimated $135K.
  • Walleye Trading first reported a position in Halozyme in Q2 2015 and held it in 18 quarters.
  • Walleye Trading's Halozyme position peaked at $2.05M in Q4 2022.
  • 551 funds tracked by Wall St. Rank held Halozyme as of Q2 2025.

Based on Walleye Trading's 13F filing for Q2 2025, filed 13 Aug 2025.