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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 140 funds opening new positions, 517 increasing their positions, 448 reducing their positions, and 147 closing their positions.

Holders
1,273
Holders Change
-29
Holders Change %
-2.23%
% 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
140
Increased
517
Reduced
448
Closed
147
Calls
$974M
Puts
$1B
Net Calls
-$27.6M
Net Calls Change
-$47.5M

Top Buyers

1
Two Sigma Advisers
1
Two Sigma Advisers
New York
$351M
2
NL
2
Nuveen LLC
North Carolina
$344M
3
Pacer Advisors
3
Pacer Advisors
Pennsylvania
$258M
4
Two Sigma Investments
4
Two Sigma Investments
New York
$236M
5
Assenagon Asset Management
5
Assenagon Asset Management
Luxembourg
$305M

Top Sellers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$3.59B
2
Norges Bank
2
Norges Bank
Norway
$0
3
Capital World Investors
3
Capital World Investors
California
$1.23B
4
Capital International Investors
4
Capital International Investors
California
$2.53B
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$4.82B
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$5.97B 9,407,891 +121,545 +1%
BlackRock
2
BlackRock
New York
$5.66B 8,925,880 +194,258 +2%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$4.82B 7,598,584 -600,995 -7%
JPMorgan Chase & Co
4
JPMorgan Chase & Co
New York
$3.59B 5,658,197 -1,401,174 -20%
State Street
5
State Street
Massachusetts
$3.04B 4,789,659 -42,580 -0.9%
Capital International Investors
6
Capital International Investors
California
$2.53B 3,989,132 -747,797 -16%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$1.56B 2,469,585 +41,955 +2%
Dodge & Cox
8
Dodge & Cox
California
$1.47B 2,324,085 +2,769 +0.1%
Franklin Resources
9
Franklin Resources
California
$1.44B 2,276,675 +231,465 +11%
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$1.38B 2,175,026 +89,579 +4%
Capital World Investors
11
Capital World Investors
California
$1.23B 1,938,634 -840,346 -30%
Loomis, Sayles & Company
12
Loomis, Sayles & Company
Massachusetts
$1.04B 1,635,981 +60,632 +4%
Amundi
13
Amundi
France
$980M 1,603,901 +52,166 +3%
Morgan Stanley
14
Morgan Stanley
New York
$793M 1,250,954 -179,416 -13%
Bank of America
15
Bank of America
North Carolina
$662M 1,044,237 +104,039 +11%
Northern Trust
16
Northern Trust
Illinois
$635M 1,001,750 -53,079 -5%
UBS AM
17
UBS AM
Illinois
$596M 940,336 -41,728 -4%
Invesco
18
Invesco
Georgia
$540M 850,746 -13,503 -2%
Goldman Sachs
19
Goldman Sachs
New York
$531M 837,093 +192,456 +30%
Legal & General Group
20
Legal & General Group
United Kingdom
$474M 747,033 -30,444 -4%
BNP Paribas Financial Markets
21
BNP Paribas Financial Markets
France
$474M 746,613 +207,017 +38%
American Century Companies
22
American Century Companies
Missouri
$458M 722,467 +14,921 +2%
Charles Schwab
23
Charles Schwab
California
$451M 710,335 +14,536 +2%
Qube Research & Technologies (QRT)
24
Qube Research & Technologies (QRT)
United Kingdom
$446M 702,892 +261,238 +59%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$443M 698,253 +8,990 +1%
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