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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
376
$561K
377
$550K
378
$548K
379
$542K
380
$533K
381
$530K
382
$517K
383
$512K
384
$508K
385
$502K
386
$501K
387
$500K
388
$500K
389
$499K
390
$499K
391
$497K
392
$482K
393
$481K
394
$475K
395
$466K
396
$465K
397
$460K
398
$460K
399
$455K
400
$450K