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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 %
Fidelity International
76
Fidelity International
Bermuda
$87.2M 166,086 +81,013 +95%
California State Teachers Retirement System (CalSTRS)
77
California State Teachers Retirement System (CalSTRS)
California
$86.2M 164,123 -1,973 -1%
SAM
78
Southeastern Asset Management
Tennessee
$84.3M 160,581 +45,701 +40%
Balyasny Asset Management
79
Balyasny Asset Management
Illinois
$80.6M 153,436 +119,909 +358%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
80
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$76.8M 146,247 +85,159 +139%
Point72 Asset Management
81
Point72 Asset Management
Connecticut
$75.1M 143,108 +143,108 New
National Bank of Canada
82
National Bank of Canada
Quebec, Canada
$75M 142,812 +44,828 +46%
CS
83
Candriam SCA
Luxembourg
$74.7M 142,208 -72,733 -34%
Wells Fargo
84
Wells Fargo
California
$70.4M 134,052 -11,634 -8%
Raymond James Financial
85
Raymond James Financial
Florida
$68.8M 131,051 +19,542 +18%
Retirement Systems of Alabama
86
Retirement Systems of Alabama
Alabama
$67.8M 129,163 -2,219 -2%
New York State Common Retirement Fund
87
New York State Common Retirement Fund
New York
$67.2M 128,069 -2,471 -2%
AssetMark Inc
88
AssetMark Inc
California
$67M 127,621 +23,988 +23%
Bank of Montreal
89
Bank of Montreal
Ontario, Canada
$65.4M 124,596 +10,832 +10%
Principal Financial Group
90
Principal Financial Group
Iowa
$64.7M 123,249 -6,376 -5%
Canada Pension Plan Investment Board
91
Canada Pension Plan Investment Board
Ontario, Canada
$63.4M 120,803 -82,752 -41%
AQR Capital Management
92
AQR Capital Management
Connecticut
$59.7M 114,742 -121,208 -51%
Natixis Advisors
93
Natixis Advisors
Massachusetts
$59.3M 113,025 -3,207 -3%
Universal-Beteiligungs- und Servicegesellschaft
94
Universal-Beteiligungs- und Servicegesellschaft
Germany
$55.9M 106,558 -50,695 -32%
Zurich Cantonal Bank
95
Zurich Cantonal Bank
Switzerland
$55.2M 105,222 +7,854 +8%
State Board of Administration of Florida Retirement System
96
State Board of Administration of Florida Retirement System
Florida
$54.7M 104,215 +1,479 +1%
Envestnet Asset Management
97
Envestnet Asset Management
Illinois
$54.3M 103,422 -13,305 -11%
Capital Research Global Investors
98
Capital Research Global Investors
California
$53.6M 102,114 +20,001 +24%
Mackenzie Financial
99
Mackenzie Financial
Ontario, Canada
$53.2M 101,418 +34,458 +51%
Parnassus Investments
100
Parnassus Investments
California
$53.1M 101,084 +101,084 New
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4
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