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Regeneron Pharmaceuticals

1,192 hedge funds and large institutions have $46.8B invested in Regeneron Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 134 funds opening new positions, 437 increasing their positions, 472 reducing their positions, and 201 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: $58.3B → $46.8B (-$11.5B)

20% less funds holding in top 10

Funds holding in top 10: 1512 (-3)

33% less first-time investments, than exits

New positions opened: 134 | Existing positions closed: 201

Holders
1,192
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
Handelsbanken Fonder
155
Handelsbanken Fonder
Sweden
$26.5M
IHAM
156
Integral Health Asset Management
New York
$26.3M
Baird Financial Group
157
Baird Financial Group
Wisconsin
$25.7M
Robeco Institutional Asset Management
158
Robeco Institutional Asset Management
Netherlands
$25M
Nordea Investment Management
159
Nordea Investment Management
Sweden
$24.5M
DnB Asset Management
160
DnB Asset Management
Norway
$24.5M
Royal London Asset Management
161
Royal London Asset Management
United Kingdom
$24.4M
IG
162
ING Group
Netherlands
$24.2M
Renaissance Technologies
163
Renaissance Technologies
New York
$23.7M
HighTower Advisors
164
HighTower Advisors
Illinois
$23M
LP
165
LMR Partners
United Kingdom
$22.9M
FGP
166
Freestone Grove Partners
California
$22.8M
Ohio Public Employees Retirement System (OPERS)
167
Ohio Public Employees Retirement System (OPERS)
Ohio
$22.3M
State of Tennessee, Department of Treasury
168
State of Tennessee, Department of Treasury
Tennessee
$21.9M
AP
169
Atwood & Palmer
Missouri
$21.8M
KK
170
KLP Kapitalforvaltning
Norway
$21.8M
GC
171
Guggenheim Capital
Illinois
$21.1M
MSV
172
MN Services Vermogensbeheer
Netherlands
$21M
DZ Bank
173
DZ Bank
Germany
$20.8M
RAM
174
Resona Asset Management
Japan
$20.8M
FAF
175
Fjarde Ap-fonden
Sweden
$20.7M