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 		$252K Buy
3,900
+2,100
+117% +$148K ﹤0.01% 4020
2025
Q4 		$121K Sell
1,800
-13,500
-88% -$908K ﹤0.01% 4788
2025
Q3 		$1.12M Buy
15,300
+200
+1% +$13.3K ﹤0.01% 2944
2025
Q2 		$785K Buy
15,100
+4,300
+40% +$245K ﹤0.01% 3036
2025
Q1 		$689K Buy
10,800
+400
+4% +$23.2K ﹤0.01% 3054
2024
Q4 		$497K Sell
10,400
-12,400
-54% -$636K ﹤0.01% 3545
2024
Q3 		$1.3M Buy
22,800
+22,300
+4,460% +$1.28M ﹤0.01% 2667
2024
Q2 		$26K Sell
500
-1,300
-72% -$57K ﹤0.01% 6678
2024
Q1 		$73K Sell
1,800
-9,100
-83% -$341K ﹤0.01% 5913
2023
Q4 		$402K Sell
10,900
-7,400
-40% -$279K ﹤0.01% 3929
2023
Q3 		$699K Buy
18,300
+11,400
+165% +$467K ﹤0.01% 3040
2023
Q2 		$248K Buy
6,900
+2,400
+53% +$81.9K ﹤0.01% 4058
2023
Q1 		$171K Sell
4,500
-59,100
-93% -$2.77M ﹤0.01% 4507
2022
Q4 		$3.62M Buy
63,600
+47,400
+293% +$2.43M ﹤0.01% 1430
2022
Q3 		$640K Buy
16,200
+12,800
+376% +$566K ﹤0.01% 3176
2022
Q2 		$149K Buy
3,400
+2,900
+580% +$125K ﹤0.01% 5011
2022
Q1 		$19K Sell
500
-8,000
-94% -$285K ﹤0.01% 8297
2021
Q4 		$341K Sell
8,500
-18,600
-69% -$694K ﹤0.01% 4367
2021
Q3 		$1.26M Hold
27,100
– – ﹤0.01% 2763
2021
Q2 		$1.23M Buy
+27,100
New +$1.2M ﹤0.01% 2818
2021
Q1 		– Sell
-71
Closed -$303K – 9268
2020
Q4 		$303K Sell
71
-98
-58% -$3.52K ﹤0.01% 4059
2020
Q3 		$444K Sell
169
-94
-36% -$2.62K ﹤0.01% 3145
2020
Q2 		$705K Buy
263
+108
+70% +$2.44K ﹤0.01% 2481
2020
Q1 		$278K Buy
155
+40
+35% +$759 ﹤0.01% 3220
2019
Q4 		$203K Buy
115
+64
+125% +$1.11K ﹤0.01% 3740
2019
Q3 		$79K Buy
51
+3
+6% +$49 ﹤0.01% 4563
2019
Q2 		$82K Sell
48
-47
-49% -$758 ﹤0.01% 4386
2019
Q1 		$152K Buy
95
+40
+73% +$648 ﹤0.01% 3900
2018
Q4 		$80K Buy
55
+41
+293% +$654 ﹤0.01% 4066
2018
Q3 		$25K Sell
14
-35
-71% -$613 ﹤0.01% 5779
2018
Q2 		$82K Buy
49
+31
+172% +$586 ﹤0.01% 4509
2018
Q1 		$2K Sell
18
-73
-80% -$1.41K ﹤0.01% 5265
2017
Q4 		$4K Sell
91
-54
-37% -$993 ﹤0.01% 4681
2017
Q3 		$9K Sell
145
-209
-59% -$2.83K ﹤0.01% 3863
2017
Q2 		$50K Buy
354
+112
+46% +$1.5K ﹤0.01% 2396
2017
Q1 		$54K Sell
242
-101
-29% -$1.28K ﹤0.01% 2279
2016
Q4 		$107K Buy
343
+209
+156% +$2.29K 0.01% 1477
2016
Q3 		$32K Buy
134
+16
+14% +$164 ﹤0.01% 2516
2016
Q2 		$47K Sell
118
-24
-17% -$237 ﹤0.01% 2119
2016
Q1 		$10K Sell
142
-85
-37% -$800 ﹤0.01% 3451
2015
Q4 		$27K Buy
227
+43
+23% +$685 ﹤0.01% 2442
2015
Q3 		$22K Sell
184
-98
-35% -$1.97K ﹤0.01% 2685
2015
Q2 		$7K Buy
282
+95
+51% +$1.67K ﹤0.01% 3366
2015
Q1 		$25K Buy
187
+20
+12% +$288 ﹤0.01% 2144
2014
Q4 		$22K Buy
+167
New +$1.48K ﹤0.01% 1969

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.