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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
Parnassus Investments
101
Parnassus Investments
California
$53.1M
AC
102
Armistice Capital
New York
$52.5M
LWCFA
103
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$52.5M
HPG
104
Harvest Portfolios Group
Ontario, Canada
$52M
Adage Capital Partners
105
Adage Capital Partners
Massachusetts
$50.2M
CSS
106
Cubist Systematic Strategies
Connecticut
$49.8M
BA
107
Bridgewater Associates
Connecticut
$46.7M
New York State Teachers Retirement System (NYSTRS)
108
New York State Teachers Retirement System (NYSTRS)
New York
$46M
Canada Life
109
Canada Life
Manitoba, Canada
$45.8M
SCP
110
Seizert Capital Partners
Michigan
$45.1M
Tudor Investment Corp
111
Tudor Investment Corp
Connecticut
$44.4M
PI
112
PGGM Investments
Netherlands
$44.3M
Mirae Asset Global ETFs Holdings
113
Mirae Asset Global ETFs Holdings
Hong Kong
$42.2M
Aviva
114
Aviva
United Kingdom
$41.9M
TC
115
TwinBeech Capital
New York
$41.6M
Macquarie Group
116
Macquarie Group
Australia
$40.3M
Man Group
117
Man Group
United Kingdom
$39.9M
Capital Fund Management (CFM)
118
Capital Fund Management (CFM)
France
$38.3M
N
119
Natixis
France
$37.9M
Wellington Management Group
120
Wellington Management Group
Massachusetts
$37.4M
Toronto Dominion Bank
121
Toronto Dominion Bank
Ontario, Canada
$37.3M
CII
122
Capital International Inc
California
$37.2M
QC
123
Quadrature Capital
United Kingdom
$37M
PCH
124
Polar Capital Holdings
United Kingdom
$36.8M
PA
125
Pinnacle Associates
New York
$36.2M