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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 %
Vanguard Group
1
Vanguard Group
Pennsylvania
$4.95B 9,424,048 +16,157 +0.2%
BlackRock
2
BlackRock
New York
$4.87B 9,276,085 +350,205 +4%
State Street
3
State Street
Massachusetts
$2.54B 4,832,002 +42,343 +0.9%
JPMorgan Chase & Co
4
JPMorgan Chase & Co
New York
$2.07B 3,939,618 -1,718,579 -30%
Dodge & Cox
5
Dodge & Cox
California
$2.01B 3,826,283 +1,502,198 +65%
Fidelity Investments
6
Fidelity Investments
Massachusetts
$1.75B 3,327,051 -4,271,533 -56%
Capital International Investors
7
Capital International Investors
California
$1.66B 3,165,263 -823,869 -21%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$1.29B 2,465,054 -4,531 -0.2%
Franklin Resources
9
Franklin Resources
California
$1.21B 2,313,496 +36,821 +2%
Capital World Investors
10
Capital World Investors
California
$1.03B 1,966,018 +27,384 +1%
Loomis, Sayles & Company
11
Loomis, Sayles & Company
Massachusetts
$1.02B 1,941,070 +305,089 +19%
Morgan Stanley
12
Morgan Stanley
New York
$676M 1,287,663 +36,709 +3%
Bank of America
13
Bank of America
North Carolina
$641M 1,220,359 +176,122 +17%
Norges Bank
14
Norges Bank
Norway
$628M 1,196,479 +1,196,479 New
Invesco
15
Invesco
Georgia
$565M 1,075,824 +225,078 +26%
Northern Trust
16
Northern Trust
Illinois
$503M 958,569 -43,181 -4%
Two Sigma Advisers
17
Two Sigma Advisers
New York
$493M 938,500 +384,700 +69%
Amundi
18
Amundi
France
$491M 897,131 -706,770 -44%
UBS AM
19
UBS AM
Illinois
$452M 860,441 -79,895 -8%
NL
20
Nuveen LLC
North Carolina
$442M 841,549 +299,531 +55%
Goldman Sachs
21
Goldman Sachs
New York
$418M 796,206 -40,887 -5%
D.E. Shaw & Co
22
D.E. Shaw & Co
New York
$408M 777,469 +198,580 +34%
T. Rowe Price Associates
23
T. Rowe Price Associates
Maryland
$402M 766,444 -1,408,582 -65%
Legal & General Group
24
Legal & General Group
United Kingdom
$388M 739,581 -7,452 -1%
Charles Schwab
25
Charles Schwab
California
$378M 720,273 +9,938 +1%
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