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Regeneron Pharmaceuticals
REGN

Overview Fund Activity

1,180 hedge funds and large institutions have $46.7B invested in Regeneron Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 133 funds opening new positions, 434 increasing their positions, 467 reducing their positions, and 197 closing their positions.

Holders
1,180
Holders Change
-93
Holders Change %
-7.31%
% of All Funds
15.85%
Holding in Top 10
12
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-20%
% of All Funds
0.16%
New
133
Increased
434
Reduced
467
Closed
197
Calls
$860M
Puts
$632M
Net Calls
+$228M
Net Calls Change
+$255M

Top Buyers

1
Dodge & Cox
1
Dodge & Cox
California
$2.01B
2
Norges Bank
2
Norges Bank
Norway
$628M
3
Citadel Advisors
3
Citadel Advisors
Florida
$357M
4
Two Sigma Advisers
4
Two Sigma Advisers
New York
$493M
5
BlackRock
5
BlackRock
New York
$4.87B

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.75B
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$2.07B
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$402M
4
Capital International Investors
4
Capital International Investors
California
$1.66B
5
Amundi
5
Amundi
France
$491M
Name Market Value Shares Shares
Change 		Shares
Change %
Deutsche Bank
26
Deutsche Bank
Germany
$373M 710,837 +167,745 +31%
Citadel Advisors
27
Citadel Advisors
Florida
$357M 680,505 +605,603 +809%
Bank of New York Mellon
28
Bank of New York Mellon
New York
$345M 656,624 -41,629 -6%
American Century Companies
29
American Century Companies
Missouri
$334M 636,652 -85,815 -12%
Qube Research & Technologies (QRT)
30
Qube Research & Technologies (QRT)
United Kingdom
$329M 625,980 -76,912 -11%
AllianceBernstein
31
AllianceBernstein
Tennessee
$308M 587,227 -22,381 -4%
BNP Paribas Financial Markets
32
BNP Paribas Financial Markets
France
$275M 524,358 -222,255 -30%
Dimensional Fund Advisors
33
Dimensional Fund Advisors
Texas
$273M 519,437 -51,750 -9%
Two Sigma Investments
34
Two Sigma Investments
New York
$262M 499,828 +127,757 +34%
Barclays
35
Barclays
United Kingdom
$254M 483,026 +161,669 +50%
Acadian Asset Management
36
Acadian Asset Management
Massachusetts
$244M 465,740 +326,583 +235%
Pacer Advisors
37
Pacer Advisors
Pennsylvania
$234M 445,134 +37,764 +9%
BNP Paribas Asset Management
38
BNP Paribas Asset Management
France
$231M 440,424 -91,790 -17%
Assenagon Asset Management
39
Assenagon Asset Management
Luxembourg
$222M 423,325 -58,064 -12%
Neuberger Berman Group
40
Neuberger Berman Group
New York
$213M 405,194 -31,314 -7%
Royal Bank of Canada
41
Royal Bank of Canada
Ontario, Canada
$202M 384,879 +181,682 +89%
Manulife (Manufacturers Life Insurance)
42
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$199M 379,537 -18,699 -5%
HSBC Holdings
43
HSBC Holdings
United Kingdom
$190M 362,124 -27,474 -7%
Millennium Management
44
Millennium Management
New York
$178M 338,826 +169,241 +100%
Swiss National Bank
45
Swiss National Bank
Switzerland
$170M 323,700 +18,900 +6%
TD Asset Management
46
TD Asset Management
Ontario, Canada
$169M 322,857 -29,030 -8%
California Public Employees Retirement System
47
California Public Employees Retirement System
California
$165M 314,716 -158,734 -34%
Sumitomo Mitsui Trust Group
48
Sumitomo Mitsui Trust Group
Japan
$162M 308,185 +4,516 +1%
Pictet Asset Management
49
Pictet Asset Management
Switzerland
$159M 304,127 +3,171 +1%
Squarepoint
50
Squarepoint
New York
$156M 297,691 +13,688 +5%
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