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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 %
TCM
201
Traynor Capital Management
Pennsylvania
$15.8M +$868K +1,623 +6%
EGM
202
Engineers Gate Manager
New York
$15.8M +$1.41M +2,695 +10%
WTA
203
Washington Trust Advisors
Massachusetts
$15.7M +$228K +435 +1%
CRC
204
Catawba River Capital
South Carolina
$15.6M +$10.5M +20,006 +207%
Rockefeller Capital Management
205
Rockefeller Capital Management
New York
$15.6M -$19.9M -37,988 -56%
GFM
206
GF Fund Management
China
$15.4M -$1.31M -2,495 -8%
PE
207
Point72 Europe
United Kingdom
$15.4M +$15.4M +29,247 New
SOMRS
208
State of Michigan Retirement System
Michigan
$14.8M -$158K -300 -1%
DCP
209
Distillate Capital Partners
Illinois
$14.7M -$1.83M -3,481 -11%
RPAM
210
Rhenman & Partners Asset Management
Sweden
$14.5M -$2.13M -4,050 -13%
GAM
211
Gotham Asset Management
New York
$14.2M -$2.65M -5,042 -16%
OBAM
212
ODDO BHF Asset Management
France
$14.2M +$1.11M +2,105 +8%
NAM
213
Nissay Asset Management
Japan
$14.2M +$283K +539 +2%
BG
214
Bellevue Group
Switzerland
$14M -$934K -1,779 -6%
MIM
215
MetLife Investment Management
New Jersey
$13.9M -$644K -1,227 -4%
CS
216
Cannell & Spears
New York
$13.9M -$20M -38,065 -59%
FMI
217
Factory Mutual Insurance
Massachusetts
$13.4M +$7.09M +13,500 +112%
B
218
Bellecapital
Switzerland
$13.4M +$3.3M +6,283 +33%
COPPSERS
219
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$13.4M +$740K +1,409 +6%
CNB
220
Czech National Bank
Czech Republic
$13.3M +$641K +1,220 +5%
Ensign Peak Advisors
221
Ensign Peak Advisors
Utah
$13M -$9.92M -18,898 -43%
CUAMC
222
China Universal Asset Management Company
China
$12.9M -$573K -1,092 -4%
Daiwa Securities Group
223
Daiwa Securities Group
Japan
$12.8M +$400K +761 +3%
IMRF
224
Illinois Municipal Retirement Fund
Illinois
$12.4M +$972K +1,851 +8%
BIAS
225
Beacon Investment Advisory Services
New Jersey
$12.3M -$1.44M -2,744 -10%
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