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Halozyme

601 hedge funds and large institutions have $8.75B invested in Halozyme in 2025 Q3 according to their latest regulatory filings, with 111 funds opening new positions, 186 increasing their positions, 238 reducing their positions, and 52 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

9% more funds holding

Funds holding: 550601 (+51)

7.58% more ownership

Funds ownership: 94.37%101.95% (+7.6%)

22% less repeat investments, than reductions

Existing positions increased: 186 | Existing positions reduced: 238

Holders
601
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$52.5M
Puts
$34.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
326
$847K
327
$847K
328
$824K
329
$815K
330
$798K
331
$798K
332
$795K
333
$785K
334
$785K
335
$773K
336
$767K
337
$760K
338
$758K
339
$755K
340
$752K
341
$741K
342
$733K
343
$702K
344
$678K
345
$670K
346
$668K
347
$666K
348
$664K
349
$658K
350
$656K