REGN icon

Regeneron Pharmaceuticals
REGN

Overview Fund Activity

1,273 hedge funds and large institutions have $58.3B invested in Regeneron Pharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 139 funds opening new positions, 517 increasing their positions, 449 reducing their positions, and 147 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,273
Holders Change
-30
Holders Change %
-2.3%
% of All Funds
17.3%
Holding in Top 10
15
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+7.14%
% of All Funds
0.2%
New
139
Increased
517
Reduced
449
Closed
147
Calls
$974M
Puts
$1B
Net Calls
-$27.6M
Net Calls Change
-$47.5M

Top Buyers

1
Two Sigma Advisers
Two Sigma Advisers
New York
$351M
2
Pacer Advisors
Pacer Advisors
Pennsylvania
$258M
3
Two Sigma Investments
Two Sigma Investments
New York
$236M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
$305M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$446M

Top Sellers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$3.59B
2
Capital World Investors
Capital World Investors
California
$1.23B
3
Capital International Investors
Capital International Investors
California
$2.53B
4
Fidelity Investments
Fidelity Investments
Massachusetts
$4.82B
5
Morgan Stanley
Morgan Stanley
New York
$793M
Name Holding Trade Value Shares
Change 		Shares
Change %
Voloridge Investment Management
51
Voloridge Investment Management
Florida
$145M +$10.2M +16,142 +8%
Swedbank
52
Swedbank
Sweden
$142M +$28.7M +45,297 +25%
Caisse de Depot et Placement du Quebec (CDPQ)
53
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$141M -$55.5M -87,539 -28%
Chevy Chase Trust
54
Chevy Chase Trust
Maryland
$140M -$5.43M -8,557 -4%
AAB
55
ABN AMRO Bank
Netherlands
$140M +$1.02M +1,614 +0.7%
DekaBank Deutsche Girozentrale
56
DekaBank Deutsche Girozentrale
Germany
$139M +$6.29M +9,969 +5%
CS
57
Candriam SCA
Luxembourg
$136M -$29.5M -46,557 -18%
EIP
58
Epoch Investment Partners
New York
$132M +$6.46M +10,190 +5%
Canada Pension Plan Investment Board
59
Canada Pension Plan Investment Board
Ontario, Canada
$129M -$25.3M -39,918 -16%
Royal Bank of Canada
60
Royal Bank of Canada
Ontario, Canada
$129M -$54.4M -85,740 -30%
Mitsubishi UFJ Asset Management
61
Mitsubishi UFJ Asset Management
Japan
$126M +$13.9M +21,842 +12%
MCI
62
McDonald Capital Investors
California
$125M +$16.9M +26,593 +16%
VOYA Investment Management
63
VOYA Investment Management
Georgia
$120M +$22.5M +35,410 +23%
Citigroup
64
Citigroup
New York
$118M +$31.2M +49,128 +36%
BCM
65
Bronte Capital Management
Australia
$115M +$1.42M +1,910 +1%
RhumbLine Advisers
66
RhumbLine Advisers
Massachusetts
$110M +$1.62M +2,547 +1%
Millennium Management
67
Millennium Management
New York
$108M +$22.9M +36,078 +27%
California State Teachers Retirement System (CalSTRS)
68
California State Teachers Retirement System (CalSTRS)
California
$105M -$1.14M -1,793 -1%
ProShare Advisors
69
ProShare Advisors
Maryland
$104M +$10.9M +17,157 +12%
Universal-Beteiligungs- und Servicegesellschaft
70
Universal-Beteiligungs- und Servicegesellschaft
Germany
$99.7M -$13.5M -21,337 -12%
Susquehanna International Group
71
Susquehanna International Group
Pennsylvania
$96.1M +$43.9M +69,266 +84%
KBC Group
72
KBC Group
Belgium
$94.8M +$8.11M +12,793 +9%
Russell Investments Group
73
Russell Investments Group
United Kingdom
$93.1M +$6.05M +9,532 +7%
Wells Fargo
74
Wells Fargo
California
$92.4M -$4.33M -6,822 -4%
Acadian Asset Management
75
Acadian Asset Management
Massachusetts
$88.2M +$36M +56,816 +69%
1 2
3
4 5