Halozyme
HALO
550 hedge funds and large institutions have $7.74B invested in Halozyme in 2025 Q1 according to their latest regulatory filings, with 96 funds opening new positions, 219 increasing their positions, 168 reducing their positions, and 50 closing their positions.
189% more call options, than puts
Call options by funds: $26M | Put options by funds: $8.98M
125% more funds holding in top 10
Funds holding in top 10: 4 → 9 (+5)
92% more first-time investments, than exits
New positions opened: 96 | Existing positions closed: 50
32% more capital invested
Capital invested by funds: $5.86B → $7.74B (+$1.87B)
30% more repeat investments, than reductions
Existing positions increased: 219 | Existing positions reduced: 168
8% more funds holding
Funds holding: 509 → 550 (+41)
1.8% more ownership
Funds ownership: 96.35% → 98.15% (+1.8%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
+$88.3M |
| 2 |
Caisse de Depot et Placement du Quebec (CDPQ)
Montreal,
Quebec, Canada
|
+$32.1M |
| 3 |
Royal London Asset Management
United Kingdom
|
+$28.8M |
| 4 |
Marshall Wace
London,
United Kingdom
|
+$26.7M |
| 5 |
Two Sigma Investments
New York
|
+$23.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$68.7M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
-$65.9M |
| 3 |
State Street
Boston,
Massachusetts
|
-$65.7M |
| 4 |
SCM
Snyder Capital Management
San Francisco,
California
|
-$28.7M |
| 5 |
BlackRock
New York
|
-$27.5M |
HALO Hedge Fund Activity: Q1 2025 in Review
550 of the 7,472 institutional investors tracked by Wall St. Rank reported a position in Halozyme (HALO) for Q1 2025, worth a combined $7.74B — up 32% from $5.86B a quarter earlier.
Buyers outnumbered sellers: 96 funds opened new HALO positions and 50 closed out — a net gain of 46 holders — while 219 added to existing stakes and 168 trimmed.
The largest buyer was Invesco, adding an estimated $88.3M. The largest seller was Citadel Advisors, cutting an estimated $68.7M.
- 550 institutional investors held Halozyme (HALO) as of Q1 2025, up from 509 in Q4 2024.
- Funds reported $7.74B of Halozyme stock for Q1 2025, up 32% quarter-over-quarter.
- 96 funds opened new Halozyme positions in Q1 2025 and 50 closed out, a net change of +46 holders.
- The largest Halozyme buyer in Q1 2025 was Invesco, an estimated $88.3M added.
- The largest Halozyme seller in Q1 2025 was Citadel Advisors, an estimated $68.7M sold.
Based on aggregated 13F filings for Q1 2025.