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Halozyme

543 hedge funds and large institutions have $7.68B invested in Halozyme in 2025 Q1 according to their latest regulatory filings, with 95 funds opening new positions, 217 increasing their positions, 165 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
543
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$26M
Puts
$8.98M
Net Calls
Net Calls Change

Top Buyers

1 +$97M
2 +$35.3M
3 +$31.6M
4
Marshall Wace
Marshall Wace
United Kingdom
+$29.3M
5
Two Sigma Investments
Two Sigma Investments
New York
+$25.5M

Top Sellers

1 -$75.5M
2 -$72.4M
3 -$72.2M
4
SCM
Snyder Capital Management
California
-$31.5M
5
BlackRock
BlackRock
New York
-$30.2M
Name Holding Trade Value Shares
Change
Change in
Stake
301
$667K
302
$666K
303
$663K
304
$658K
305
$657K
306
$654K
307
$649K
308
$647K
309
$645K
310
$639K
311
$638K
312
$638K
313
$634K
314
$628K
315
$625K
316
$625K
317
$614K
318
$610K
319
$603K
320
$595K
321
$585K
322
$585K
323
$583K
324
$581K
325
$573K