HALOZYME THERAPEUTICS INC (HALO) Institutional Ownership Changes & 13F Activity
HALOZYME THERAPEUTICS INC (HALO). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Hancock Classic Value, Torray Fund, Sequoia Financial Advisors, and First Eagle U.S. Value.
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2026 | Renaissance Technologies LLC | Buy | 169,100 | 731,811 | $47,296,945 |
| Q1 2026 | Hancock Classic Value | Sell | -229 | 4,049 | $261,687 |
| Q1 2026 | Torray Fund | Buy | 44 | 38,179 | $2,467,509 |
| Q4 2025 | Renaissance Technologies LLC | Sell | -437,498 | 562,711 | $37,870,450 |
| Q4 2025 | Sequoia Financial Advisors | Buy | 1,212 | 5,148 | $346,461 |
| Q4 2025 | Hancock Classic Value | Buy | 171 | 4,278 | $287,909 |
| Q4 2025 | Torray Fund | Buy | 14 | 38,135 | $2,566,485 |
| Q3 2025 | Renaissance Technologies LLC | Buy | 661,600 | 1,000,209 | $73,355,328 |
| Q3 2025 | Hancock Classic Value | Sell | -5,109 | 4,107 | $301,207 |
| Q3 2025 | Sequoia Financial Advisors | Buy | 3,936 | 3,936 | $288,667 |
| Q3 2025 | Torray Fund | Sell | -1,927 | 38,121 | $2,795,794 |
| Q2 2025 | Renaissance Technologies LLC | Buy | 218,599 | 338,609 | $17,614,440 |
| Q2 2025 | Torray Fund | Sell | -15,336 | 40,048 | $2,083,297 |
| Q1 2025 | Renaissance Technologies LLC | Buy | 93,900 | 120,010 | $7,657,838 |
| Q1 2025 | Torray Fund | Sell | -227 | 55,384 | $3,534,053 |
| Q4 2024 | Renaissance Technologies LLC | Sell | -229,170 | 26,110 | $1,248,319 |
| Q4 2024 | Torray Fund | Buy | 353 | 55,611 | $2,658,762 |
| Q3 2024 | Renaissance Technologies LLC | Sell | -122,300 | 255,280 | $14,612,227 |
| Q3 2024 | Torray Fund | Buy | 4,510 | 55,258 | $3,162,968 |
| Q2 2024 | Renaissance Technologies LLC | Sell | -53,800 | 377,580 | $19,770,089 |
| Q2 2024 | Torray Fund | Sell | -53,768 | 50,748 | $2,657,165 |
| Q1 2024 | Renaissance Technologies LLC | Buy | 238,000 | 431,380 | $17,549 |
| Q1 2024 | Torray Fund | Buy | 64,630 | 104,516 | $1,935,270 |
| Q4 2023 | Renaissance Technologies LLC | Buy | 87,700 | 193,380 | $7,147 |
| Q4 2023 | Torray Fund | Buy | 13,881 | 39,886 | $1,474,187 |
| Q3 2023 | Renaissance Technologies LLC | Buy | 71,600 | 105,680 | $4,037 |
| Q3 2023 | Torray Fund | Buy | 1,046 | 26,005 | $993,391 |
| Q2 2023 | Renaissance Technologies LLC | Sell | -61,061 | 34,080 | $1,229 |
| Q2 2023 | Torray Fund | Buy | 245 | 24,959 | $900,271 |
| Q1 2023 | Renaissance Technologies LLC | Sell | -46,500 | 95,141 | $3,633 |
Frequently asked questions about HALO activity
Which institutional owners are buying HALO?
Institutional owners buying HALO include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in HALO activity?
"Buy" means an investor increased their reported position in HALO compared to the prior reporting period. This reflects growing exposure to HALOZYME THERAPEUTICS INC (HALO) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in HALO increasing?
Institutional interest in HALO can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related HALO Institutional Insights
- HALO Institutional Ownership Overview
- HALO Institutional Ownership & Insiders Activity
- HALO Institutional Ownership & 13F Activity
- HALO Top Institutional Shareholders
- HALO Institutional Buying Activity
- HALO Institutional Selling Activity
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- HALO Insider Trading & SEC Form 4 Activity
- Top Institutional Investor Stock Rankings