Citadel Advisors’s Halozyme HALO Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $3.1M | Buy |
48,000
+28,300
| +144% | +$2M | ﹤0.01% | 5197 |
|
|
2025
Q4 | $1.33M | Sell |
19,700
-31,300
| -61% | -$2.11M | ﹤0.01% | 6791 |
|
|
2025
Q3 | $3.74M | Buy |
51,000
+4,100
| +9% | +$272K | ﹤0.01% | 4896 |
|
|
2025
Q2 | $2.44M | Buy |
46,900
+19,800
| +73% | +$1.13M | ﹤0.01% | 5349 |
|
|
2025
Q1 | $1.73M | Sell |
27,100
-10,800
| -28% | -$627K | ﹤0.01% | 5814 |
|
|
2024
Q4 | $1.81M | Sell |
37,900
-1,700
| -4% | -$87.2K | ﹤0.01% | 5840 |
|
|
2024
Q3 | $2.27M | Buy |
39,600
+20,500
| +107% | +$1.18M | ﹤0.01% | 5302 |
|
|
2024
Q2 | $1M | Buy |
19,100
+1,400
| +8% | +$61.4K | ﹤0.01% | 6576 |
|
|
2024
Q1 | $720K | Sell |
17,700
-1,300
| -7% | -$48.7K | ﹤0.01% | 7611 |
|
|
2023
Q4 | $702K | Sell |
19,000
-17,100
| -47% | -$644K | ﹤0.01% | 7391 |
|
|
2023
Q3 | $1.38M | Buy |
36,100
+5,100
| +16% | +$209K | ﹤0.01% | 5936 |
|
|
2023
Q2 | $1.12M | Buy |
31,000
+6,000
| +24% | +$205K | ﹤0.01% | 6230 |
|
|
2023
Q1 | $955K | Sell |
25,000
-16,900
| -40% | -$793K | ﹤0.01% | 6872 |
|
|
2022
Q4 | $2.38M | Buy |
41,900
+9,200
| +28% | +$471K | ﹤0.01% | 5142 |
|
|
2022
Q3 | $1.29M | Sell |
32,700
-30,900
| -49% | -$1.37M | ﹤0.01% | 6443 |
|
|
2022
Q2 | $2.8M | Buy |
63,600
+8,600
| +16% | +$372K | ﹤0.01% | 4884 |
|
|
2022
Q1 | $2.19M | Sell |
55,000
-9,400
| -15% | -$335K | ﹤0.01% | 5888 |
|
|
2021
Q4 | $2.59M | Sell |
64,400
-4,400
| -6% | -$164K | ﹤0.01% | 5633 |
|
|
2021
Q3 | $2.8M | Buy |
68,800
+18,600
| +37% | +$778K | ﹤0.01% | 5537 |
|
|
2021
Q2 | $2.28M | Buy |
50,200
+8,900
| +22% | +$394K | ﹤0.01% | 6266 |
|
|
2021
Q1 | $1.72M | Sell |
41,300
-36,400
| -47% | -$1.66M | ﹤0.01% | 6764 |
|
|
2020
Q4 | $3.32M | Buy |
77,700
+10,900
| +16% | +$392K | ﹤0.01% | 4410 |
|
|
2020
Q3 | $1.76M | Sell |
66,800
-27,800
| -29% | -$774K | ﹤0.01% | 4968 |
|
|
2020
Q2 | $2.54M | Buy |
94,600
+50,200
| +113% | +$1.13M | ﹤0.01% | 4149 |
|
|
2020
Q1 | $799K | Sell |
44,400
-56,100
| -56% | -$1.06M | ﹤0.01% | 5711 |
|
|
2019
Q4 | $1.78M | Buy |
100,500
+43,900
| +78% | +$760K | ﹤0.01% | 4602 |
|
|
2019
Q3 | $878K | Buy |
56,600
+5,600
| +11% | +$92.2K | ﹤0.01% | 5811 |
|
|
2019
Q2 | $876K | Buy |
51,000
+10,900
| +27% | +$176K | ﹤0.01% | 5908 |
|
|
2019
Q1 | $646K | Sell |
40,100
-115,600
| -74% | -$1.87M | ﹤0.01% | 6356 |
|
|
2018
Q4 | $2.28M | Buy |
155,700
+97,200
| +166% | +$1.55M | ﹤0.01% | 3945 |
|
|
2018
Q3 | $1.06M | Buy |
58,500
+5,000
| +9% | +$87.6K | ﹤0.01% | 5430 |
|
|
2018
Q2 | $903K | Buy |
53,500
+400
| +0.8% | +$7.56K | ﹤0.01% | 5396 |
|
|
2018
Q1 | $1.04M | Sell |
53,100
-58,600
| -52% | -$1.13M | ﹤0.01% | 4744 |
|
|
2017
Q4 | $2.26M | Buy |
111,700
+45,600
| +69% | +$838K | ﹤0.01% | 3467 |
|
|
2017
Q3 | $1.15M | Buy |
66,100
+14,900
| +29% | +$202K | ﹤0.01% | 4127 |
|
|
2017
Q2 | $656K | Buy |
51,200
+15,100
| +42% | +$202K | ﹤0.01% | 4735 |
|
|
2017
Q1 | $468K | Sell |
36,100
-24,200
| -40% | -$306K | ﹤0.01% | 5139 |
|
|
2016
Q4 | $596K | Buy |
60,300
+5,000
| +9% | +$54.8K | ﹤0.01% | 4622 |
|
|
2016
Q3 | $668K | Buy |
55,300
+17,400
| +46% | +$178K | ﹤0.01% | 4405 |
|
|
2016
Q2 | $327K | Sell |
37,900
-5,500
| -13% | -$54.3K | ﹤0.01% | 5088 |
|
|
2016
Q1 | $411K | Buy |
43,400
+10,600
| +32% | +$99.7K | ﹤0.01% | 4675 |
|
|
2015
Q4 | $568K | Sell |
32,800
-1,900
| -5% | -$30.3K | ﹤0.01% | 4292 |
|
|
2015
Q3 | $466K | Sell |
34,700
-200
| -0.6% | -$4.02K | ﹤0.01% | 4900 |
|
|
2015
Q2 | $788K | Buy |
34,900
+10,300
| +42% | +$181K | ﹤0.01% | 4303 |
|
|
2015
Q1 | $351K | Sell |
24,600
-36,500
| -60% | -$526K | ﹤0.01% | 5434 |
|
|
2014
Q4 | $590K | Buy |
61,100
+17,000
| +39% | +$151K | ﹤0.01% | 4481 |
|
|
2014
Q3 | $401K | Sell |
44,100
-12,300
| -22% | -$117K | ﹤0.01% | 4913 |
|
|
2014
Q2 | $557K | Buy |
56,400
+27,600
| +96% | +$234K | ﹤0.01% | 4254 |
|
|
2014
Q1 | $366K | Sell |
28,800
-7,700
| -21% | -$114K | ﹤0.01% | 4778 |
|
|
2013
Q4 | $547K | Buy |
36,500
+16,700
| +84% | +$215K | ﹤0.01% | 3906 |
|
|
2013
Q3 | $219K | Sell |
19,800
-1,800
| -8% | -$15K | ﹤0.01% | 4673 |
|
|
2013
Q2 | $172K | Buy |
+21,600
| New | +$138K | ﹤0.01% | 4792 |
|
Other funds holding HALO
VCM
VPM
Citadel Advisors's HALO Position: Q1 2026 in Review
Citadel Advisors opened a new position in Halozyme (HALO) in Q1 2026: 191,051 shares worth $12.3M. The stake represents ﹤0.01% of the portfolio and ranks #2954 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in HALO as recently as Q3 2025.
Citadel Advisors first reported a position in HALO in Q2 2013 and has held it in 49 quarters since. The position peaked at $60.4M in Q4 2024. 634 funds tracked by Wall St. Rank hold HALO as of Q1 2026.
- Citadel Advisors held 191,051 shares of Halozyme worth $12.3M as of Q1 2026.
- Halozyme was a new Citadel Advisors position in Q1 2026.
- Halozyme made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #2954 holding.
- Citadel Advisors first reported a position in Halozyme in Q2 2013 and has held it in 49 quarters since.
- Citadel Advisors's Halozyme position peaked at $60.4M in Q4 2024.
- 634 funds tracked by Wall St. Rank held Halozyme as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.