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Halozyme

615 hedge funds and large institutions have $8.3B invested in Halozyme in 2025 Q4 according to their latest regulatory filings, with 106 funds opening new positions, 218 increasing their positions, 222 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

2% more funds holding

Funds holding: 601615 (+14)

2% less repeat investments, than reductions

Existing positions increased: 218 | Existing positions reduced: 222

5% less capital invested

Capital invested by funds: $8.75B → $8.3B (-$445M)

Holders
615
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$45.5M
Puts
$17.2M
Net Calls
Net Calls Change

Top Sellers

1 -$113M
2 -$106M
3 -$67.3M
4
Jane Street
Jane Street
New York
-$61.3M
5
Two Sigma Investments
Two Sigma Investments
New York
-$40.3M
Name Holding Trade Value Shares
Change
Change in
Stake
FCM
651
Fieldview Capital Management
Michigan
AACP
652
Advantage Alpha Capital Partners
California
I
653
InceptionR
California
GCP
654
GSA Capital Partners
United Kingdom
HCL
655
Henshaw Capital LLC
Massachusetts
BC
656
Bridgefront Capital
Texas
VCM
657
Voleon Capital Management
California
GCM
658
Graham Capital Management
Connecticut
1C
659
111 Capital
France
GSC
660
Ground Swell Capital
South Carolina
WAM
661
Weiss Asset Management
Massachusetts
NICM
662
Neo Ivy Capital Management
New York
SCM
663
Stevens Capital Management
Pennsylvania
FC
664
Farringdon Capital
United Kingdom
TW
665
TritonPoint Wealth
Maryland
SC
666
SummitTX Capital
Texas
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
667
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
BBA
668
Baader Bank Aktiengesellschaft
Germany
EC
669
EntryPoint Capital
New York
QIM
670
Quantitative Investment Management
Virginia
GT
671
Glenview Trust
Kentucky
AIM
672
Aigen Investment Management
New York
WG
673
Winton Group
United Kingdom
CIBC World Market
674
CIBC World Market
Ontario, Canada
MFG
675
Merit Financial Group
Georgia