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Regeneron Pharmaceuticals

1,197 hedge funds and large institutions have $46.9B invested in Regeneron Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 133 funds opening new positions, 440 increasing their positions, 475 reducing their positions, and 203 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

20% less capital invested

Capital invested by funds: $58.4B → $46.9B (-$11.5B)

20% less funds holding in top 10

Funds holding in top 10: 1512 (-3)

34% less first-time investments, than exits

New positions opened: 133 | Existing positions closed: 203

Holders
1,197
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.15B
Puts
$1.01B
Net Calls
Net Calls Change

Top Buyers

1 +$789M
2 +$318M
3 +$202M
4
BlackRock
BlackRock
New York
+$184M
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$171M
Name Holding Trade Value Shares
Change
Change in
Stake
Rafferty Asset Management
151
Rafferty Asset Management
New York
$27.6M
ACM
152
Aquatic Capital Management
Illinois
$27.3M
CP
153
CenterBook Partners
Connecticut
$27.1M
MG
154
Marex Group
$27M
DB
155
Danske Bank
Denmark
$26.6M
Handelsbanken Fonder
156
Handelsbanken Fonder
Sweden
$26.5M
IHAM
157
Integral Health Asset Management
New York
$26.3M
Baird Financial Group
158
Baird Financial Group
Wisconsin
$25.7M
Robeco Institutional Asset Management
159
Robeco Institutional Asset Management
Netherlands
$25M
Nordea Investment Management
160
Nordea Investment Management
Sweden
$24.5M
DnB Asset Management
161
DnB Asset Management
Norway
$24.5M
Royal London Asset Management
162
Royal London Asset Management
United Kingdom
$24.4M
IG
163
ING Group
Netherlands
$24.2M
Renaissance Technologies
164
Renaissance Technologies
New York
$23.7M
HighTower Advisors
165
HighTower Advisors
Illinois
$23M
LP
166
LMR Partners
United Kingdom
$22.9M
FGP
167
Freestone Grove Partners
California
$22.8M
Ohio Public Employees Retirement System (OPERS)
168
Ohio Public Employees Retirement System (OPERS)
Ohio
$22.3M
State of Tennessee, Department of Treasury
169
State of Tennessee, Department of Treasury
Tennessee
$21.9M
AP
170
Atwood & Palmer
Missouri
$21.8M
KK
171
KLP Kapitalforvaltning
Norway
$21.8M
GC
172
Guggenheim Capital
Illinois
$21.1M
MSV
173
MN Services Vermogensbeheer
Netherlands
$21M
DZ Bank
174
DZ Bank
Germany
$20.8M
RAM
175
Resona Asset Management
Japan
$20.8M