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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 139 funds opening new positions, 517 increasing their positions, 449 reducing their positions, and 147 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,273
Holders Change
-30
Holders Change %
-2.3%
% of All Funds
17.29%
Holding in Top 10
15
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+7.14%
% of All Funds
0.2%
New
139
Increased
517
Reduced
449
Closed
147
Calls
$974M
Puts
$1B
Net Calls
-$27.6M
Net Calls Change
-$47.5M

Top Buyers

1
Two Sigma Advisers
Two Sigma Advisers
New York
+$351M
2
Pacer Advisors
Pacer Advisors
Pennsylvania
+$248M
3
Two Sigma Investments
Two Sigma Investments
New York
+$214M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
+$193M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$166M

Top Sellers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$889M
2
Capital World Investors
Capital World Investors
California
-$533M
3
Capital International Investors
Capital International Investors
California
-$474M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$381M
5
Morgan Stanley
Morgan Stanley
New York
-$114M
Name Holding Trade Value Shares
Change 		Shares
Change %
FC
426
FORA Capital
Florida
$3.45M +$1.84M +2,894 +113%
AAM
427
Advisors Asset Management
Colorado
$3.41M +$129K +204 +4%
SPIA
428
Steward Partners Investment Advisory
New York
$3.4M +$470K +741 +16%
SAM
429
Smithbridge Asset Management
Pennsylvania
$3.4M +$3.4M +5,368 New
GHAM
430
Gilman Hill Asset Management
Connecticut
$3.36M +$63.4K +100 +2%
IMCOOI
431
Investment Management Corp of Ontario (IMCO)
Canada
$3.33M +$63.4K +100 +2%
TRCT
432
Tower Research Capital (TRC)
New York
$3.23M -$2.14M -3,375 -40%
OAM
433
Ostrum Asset Management
France
$3.23M +$1M +1,579 +45%
M&T Bank
434
M&T Bank
New York
$3.23M -$179K -282 -5%
KCM
435
Kennedy Capital Management
Missouri
$3.18M -$88.8K -140 -3%
EFM
436
E Fund Management
China
$3.12M +$1.09M +1,714 +54%
KAS
437
Kestra Advisory Services
Texas
$3.11M -$1.16M -1,835 -27%
NMERB
438
New Mexico Educational Retirement Board
New Mexico
$3.11M -$127K -200 -4%
VIA
439
Victrix Investment Advisors
Florida
$3.11M – – –
MSRPS
440
Maryland State Retirement & Pension System
Maryland
$3.1M -$511K -806 -14%
MASUI
441
MIRAE ASSET SECURITIES (USA) INC.
New York
$3.05M +$634 +1 +0%
GAMH
442
Greenwoods Asset Management (HK)
Hong Kong
$3.01M +$824K +1,300 +38%
SCTC
443
Sanibel Captiva Trust Company
Florida
$2.98M -$140K -220 -4%
EOJOAM
444
E. Ohman J:or Asset Management
Sweden
$2.98M -$171K -270 -5%
VF
445
Virtu Financial
New York
$2.94M +$218K +343 +8%
AIP
446
Ameritas Investment Partners
Nebraska
$2.87M +$36.2K +57 +1%
BAMF
447
BI Asset Management Fondsmaeglerselskab
Denmark
$2.86M -$70.4K -111 -2%
AAM
448
Augustine Asset Management
Florida
$2.83M -$3.17K -5 -0.1%
BG
449
BDF Gestion
France
$2.82M – – –
APF
450
Alaska Permanent Fund
Alaska
$2.77M – – –
16 17
18
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