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Regeneron Pharmaceuticals
REGN

Overview Fund Activity

1,188 hedge funds and large institutions have $46.8B invested in Regeneron Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 133 funds opening new positions, 437 increasing their positions, 470 reducing their positions, and 199 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,188
Holders Change
-85
Holders Change %
-6.68%
% of All Funds
15.93%
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
437
Reduced
470
Closed
199
Calls
$1.15B
Puts
$1.01B
Net Calls
+$139M
Net Calls Change
+$166M

Top Buyers

1
Dodge & Cox
Dodge & Cox
California
$2.01B
2
Citadel Advisors
Citadel Advisors
Florida
$357M
3
Two Sigma Advisers
Two Sigma Advisers
New York
$493M
4
BlackRock
BlackRock
New York
$4.87B
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
$244M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$1.75B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$2.07B
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$402M
4
Capital International Investors
Capital International Investors
California
$1.66B
5
Amundi
Amundi
France
$491M
Name Holding Trade Value Shares
Change 		Shares
Change %
NAMA
226
Nikko Asset Management Americas
New York
$12.2M -$446K -850 -4%
AFCM
227
Applied Finance Capital Management
Puerto Rico
$12.1M +$1.67M +3,190 +16%
CGPCS
228
Capital Group Private Client Services
California
$12M -$46.3M -88,130 -79%
JG
229
Jain Global
New York
$11.9M +$3.42M +6,520 +40%
ZIG
230
Zurich Insurance Group
Switzerland
$11.9M +$11.9M +22,651 New
SBWIC
231
Schaper Benz & Wise Investment Counsel
Wisconsin
$11.7M +$1.19M +2,259 +11%
OC
232
Oppenheimer & Co
New York
$11.6M +$2.09M +3,974 +22%
Schroder Investment Management Group
233
Schroder Investment Management Group
United Kingdom
$11.6M -$13.6M -25,815 -54%
Mariner
234
Mariner
Kansas
$11.5M +$4.82M +9,174 +73%
Verition Fund Management
235
Verition Fund Management
Connecticut
$11.4M +$881K +1,678 +8%
GHA
236
GW Henssler & Associates
Georgia
$11.3M +$589K +1,122 +6%
II
237
IFM Investors
Australia
$11.2M +$25.7K +49 +0.2%
FRAF
238
Första AP-fonden
Sweden
$11.1M +$158K +300 +1%
AIP
239
ARS Investment Partners
New York
$10.9M +$7.55M +14,378 +222%
CWM
240
CIBC World Markets
New York
$10.9M +$4.16M +7,932 +62%
Nisa Investment Advisors
241
Nisa Investment Advisors
Missouri
$10.9M -$14M -26,595 -56%
HF
242
HRT Financial
New York
$10.8M -$1.51M -2,875 -12%
UF
243
Univest Financial
Pennsylvania
$10.8M +$1.12M +2,127 +12%
DP
244
DDD Partners
Washington
$10.8M +$10.8M +20,496 New
Massachusetts Financial Services
245
Massachusetts Financial Services
Massachusetts
$10.6M -$400K -761 -4%
AB
246
Amalgamated Bank
New York
$10.5M -$292K -557 -3%
SOADOR
247
State of Alaska Department of Revenue
Alaska
$10.5M +$1.39M +2,640 +15%
OCM
248
One Capital Management
California
$10.4M +$2.57M +4,897 +33%
ADEF
249
Adams Diversified Equity Fund
Maryland
$10.3M – – –
BS
250
Banco Santander
Spain
$10.3M +$4.05M +7,706 +65%
8 9
10
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