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
-4,200
Closed -$283K – 4359
2025
Q4 		$283K Sell
4,200
-5,000
-54% -$336K ﹤0.01% 3200
2025
Q3 		$675K Buy
9,200
+2,800
+44% +$186K ﹤0.01% 2531
2025
Q2 		$333K Buy
6,400
+5,100
+392% +$290K ﹤0.01% 2930
2025
Q1 		$83K Buy
+1,300
New +$75.5K ﹤0.01% 3472
2024
Q4 		– Sell
-1,800
Closed -$103K – 4398
2024
Q3 		$103K Buy
+1,800
New +$103K ﹤0.01% 3300
2024
Q1 		– Sell
-800
Closed -$29.6K – 5001
2023
Q4 		$29.6K Buy
+800
New +$30.1K ﹤0.01% 4450
2023
Q2 		– Sell
-5,500
Closed -$210K – 4885
2023
Q1 		$210K Buy
5,500
+3,400
+162% +$159K ﹤0.01% 3474
2022
Q4 		$119K Buy
2,100
+1,000
+91% +$51.2K ﹤0.01% 3882
2022
Q3 		$43K Buy
1,100
+100
+10% +$4.42K ﹤0.01% 4278
2022
Q2 		$44K Sell
1,000
-2,300
-70% -$99.5K ﹤0.01% 4365
2022
Q1 		$132K Sell
3,300
-1,600
-33% -$57K ﹤0.01% 4096
2021
Q4 		$197K Sell
4,900
-56,200
-92% -$2.1M ﹤0.01% 3874
2021
Q3 		$2.49M Buy
+61,100
New +$2.55M 0.01% 1429
2021
Q2 		– Sell
-17,600
Closed -$734K – 5314
2021
Q1 		$734K Sell
17,600
-12,200
-41% -$557K ﹤0.01% 2237
2020
Q4 		$1.27M Sell
29,800
-33,700
-53% -$1.21M 0.01% 1769
2020
Q3 		$1.67M Sell
63,500
-12,400
-16% -$345K 0.01% 1256
2020
Q2 		$2.04M Buy
75,900
+32,800
+76% +$740K 0.01% 1076
2020
Q1 		$775K Sell
43,100
-4,300
-9% -$81.6K 0.01% 1497
2019
Q4 		$840K Buy
47,400
+17,400
+58% +$301K 0.01% 1961
2019
Q3 		$465K Buy
30,000
+29,200
+3,650% +$481K ﹤0.01% 2216
2019
Q2 		$14K Buy
+800
New +$12.9K ﹤0.01% 3789

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.