Simplex Trading
HALO icon

Simplex Trading’s Halozyme HALO Stock Holding History

Simplex 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 		$556K Sell
8,600
-33,700
-80% -$2.38M ﹤0.01% 3135
2025
Q4 		$2.85M Buy
42,300
+16,600
+65% +$1.12M ﹤0.01% 1702
2025
Q3 		$1.88M Sell
25,700
-5,300
-17% -$352K ﹤0.01% 2391
2025
Q2 		$1.61M Buy
31,000
+8,900
+40% +$506K ﹤0.01% 2300
2025
Q1 		$1.41M Sell
22,100
-4,900
-18% -$285K ﹤0.01% 2373
2024
Q4 		$1.29M Sell
27,000
-22,500
-45% -$1.15M ﹤0.01% 2602
2024
Q3 		$2.83M Buy
49,500
+15,300
+45% +$877K ﹤0.01% 1973
2024
Q2 		$1.79M Sell
34,200
-31,100
-48% -$1.36M ﹤0.01% 2311
2024
Q1 		$2.66M Buy
65,300
+3,700
+6% +$139K ﹤0.01% 2128
2023
Q4 		$2.28M Sell
61,600
-17,000
-22% -$640K ﹤0.01% 2251
2023
Q3 		$3M Buy
78,600
+12,500
+19% +$512K ﹤0.01% 1733
2023
Q2 		$2.38M Sell
66,100
-22,400
-25% -$764K ﹤0.01% 1830
2023
Q1 		$3.38M Buy
88,500
+43,400
+96% +$2.04M ﹤0.01% 1540
2022
Q4 		$2.57M Buy
45,100
+32,600
+261% +$1.67M ﹤0.01% 1679
2022
Q3 		$494K Buy
12,500
+4,500
+56% +$199K ﹤0.01% 3486
2022
Q2 		$352K Buy
8,000
+2,500
+45% +$108K ﹤0.01% 3890
2022
Q1 		$219K Sell
5,500
-4,000
-42% -$142K ﹤0.01% 5033
2021
Q4 		$381K Sell
9,500
-33,100
-78% -$1.24M ﹤0.01% 4202
2021
Q3 		$1.97M Buy
42,600
+100
+0.2% +$4.18K ﹤0.01% 2155
2021
Q2 		$1.93M Buy
+42,500
New +$1.88M ﹤0.01% 2210
2021
Q1 		– Sell
-56
Closed -$239K – 9266
2020
Q4 		$239K Sell
56
-245
-81% -$8.81K ﹤0.01% 4370
2020
Q3 		$791K Sell
301
-913
-75% -$25.4K ﹤0.01% 2497
2020
Q2 		$3.25M Buy
1,214
+609
+101% +$13.7K 0.01% 1134
2020
Q1 		$1.09M Sell
605
-901
-60% -$17.1K ﹤0.01% 1800
2019
Q4 		$2.67M Buy
1,506
+1,146
+318% +$19.8K 0.01% 1244
2019
Q3 		$558K Buy
360
+160
+80% +$2.63K ﹤0.01% 2509
2019
Q2 		$343K Buy
200
+99
+98% +$1.6K ﹤0.01% 2934
2019
Q1 		$162K Sell
101
-26
-20% -$421 ﹤0.01% 3829
2018
Q4 		$185K Sell
127
-225
-64% -$3.59K ﹤0.01% 3234
2018
Q3 		$639K Buy
352
+296
+529% +$5.18K ﹤0.01% 2369
2018
Q2 		$94K Sell
56
-68
-55% -$1.29K ﹤0.01% 4365
2018
Q1 		$14K Sell
124
-28
-18% -$542 ﹤0.01% 3693
2017
Q4 		$85K Sell
152
-719
-83% -$13.2K ﹤0.01% 1931
2017
Q3 		$256K Sell
871
-389
-31% -$5.27K 0.01% 1039
2017
Q2 		$99K Buy
1,260
+369
+41% +$4.93K ﹤0.01% 1768
2017
Q1 		$77K Sell
891
-796
-47% -$10.1K ﹤0.01% 1975
2016
Q4 		$174K Buy
1,687
+701
+71% +$7.68K 0.01% 1144
2016
Q3 		$244K Buy
986
+280
+40% +$2.86K 0.02% 896
2016
Q2 		$81K Sell
706
-130
-16% -$1.28K 0.01% 1642
2016
Q1 		$160K Buy
836
+492
+143% +$4.63K 0.01% 1011
2015
Q4 		$106K Buy
344
+243
+241% +$3.87K 0.01% 1300
2015
Q3 		$24K Sell
101
-49
-33% -$984 ﹤0.01% 2614
2015
Q2 		$87K Buy
150
+29
+24% +$510 0.01% 1298
2015
Q1 		$35K Sell
121
-27
-18% -$389 ﹤0.01% 1826
2014
Q4 		$7K Buy
+148
New +$1.31K ﹤0.01% 2843

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

Simplex Trading's HALO Position: Q3 2025 in Review

Simplex Trading sold out of Halozyme (HALO) in Q3 2025, closing a stake of 1,069 shares — an estimated $71K sold.

Simplex Trading first reported a position in HALO in Q1 2015 and held it in 20 quarters. The position peaked at $870K in Q3 2020. 602 funds tracked by Wall St. Rank hold HALO as of Q3 2025.

  • Simplex Trading reported no remaining Halozyme position as of Q3 2025 after selling out during the quarter.
  • Simplex Trading sold 1,069 Halozyme shares in Q3 2025, an estimated $71K.
  • Simplex Trading first reported a position in Halozyme in Q1 2015 and held it in 20 quarters.
  • Simplex Trading's Halozyme position peaked at $870K in Q3 2020.
  • 602 funds tracked by Wall St. Rank held Halozyme as of Q3 2025.

Based on Simplex Trading's 13F filing for Q3 2025, filed 12 Nov 2025.