REGN icon

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, 436 increasing their positions, 471 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
436
Reduced
471
Closed
199
Calls
$1.15B
Puts
$1.01B
Net Calls
+$139M
Net Calls Change
+$166M

Top Buyers

1
Dodge & Cox
Dodge & Cox
California
+$789M
2
Citadel Advisors
Citadel Advisors
Florida
+$318M
3
Two Sigma Advisers
Two Sigma Advisers
New York
+$202M
4
BlackRock
BlackRock
New York
+$184M
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$171M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$2.24B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$902M
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$740M
4
Capital International Investors
Capital International Investors
California
-$433M
5
Amundi
Amundi
France
-$387M
Name Holding Trade Value Shares
Change 		Shares
Change %
SAM
426
Securian Asset Management
Minnesota
$2.85M -$112K -213 -4%
EG
427
Ellerson Group
Maryland
$2.85M -$1.42M -2,711 -33%
GHAM
428
Gilman Hill Asset Management
Connecticut
$2.84M +$58.8K +112 +2%
Focus Partners Wealth
429
Focus Partners Wealth
Massachusetts
$2.82M -$304K -579 -10%
EFM
430
E Fund Management
China
$2.8M +$219K +417 +8%
ELI
431
Empire Life Investments
Ontario, Canada
$2.79M -$583K -1,110 -17%
TE
432
Tema ETFs
New York
$2.79M +$529K +1,007 +23%
SA
433
Sovran Advisors
California
$2.75M +$2.75M +5,020 New
KCM
434
Kennedy Capital Management
Missouri
$2.68M +$47.3K +90 +2%
OSAM
435
O'Shaughnessy Asset Management
Connecticut
$2.67M -$1.12M -2,128 -29%
MSRPS
436
Maryland State Retirement & Pension System
Maryland
$2.66M +$95.6K +182 +4%
MASUI
437
MIRAE ASSET SECURITIES (USA) INC.
New York
$2.63M +$105K +200 +4%
CCAM
438
Codex Capital Asset Management
Texas
$2.63M -$394K -750 -13%
BAMF
439
BI Asset Management Fondsmaeglerselskab
Denmark
$2.62M +$250K +476 +11%
CL
440
Choreo LLC
Illinois
$2.61M +$643K +1,224 +33%
NMERB
441
New Mexico Educational Retirement Board
New Mexico
$2.57M – – –
VIA
442
Victrix Investment Advisors
Florida
$2.57M – – –
Twin Tree Management
443
Twin Tree Management
Texas
$2.57M +$2.57M +4,891 New
SCTC
444
Sanibel Captiva Trust Company
Florida
$2.55M +$85.6K +163 +3%
IMCOOI
445
Investment Management Corp of Ontario (IMCO)
Canada
$2.49M -$263K -500 -10%
CIBC World Market
446
CIBC World Market
Ontario, Canada
$2.49M +$1.14M +2,164 +84%
TWC
447
TD Waterhouse Canada
Ontario, Canada
$2.47M +$2.45M +4,586 +16,985%
SC
448
Stempoint Capital
New York
$2.45M +$2.45M +4,672 New
PI
449
PineBridge Investments
New York
$2.44M +$566K +1,079 +30%
Wealthfront Advisers
450
Wealthfront Advisers
California
$2.42M -$819K -1,560 -25%
16 17
18
19 20