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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 %
HIMCH
401
Hartford Investment Management Co (HIMCO)
Connecticut
$4.07M -$53.9K -85 -1%
US Bancorp
402
US Bancorp
Minnesota
$4.02M +$177K +279 +5%
GIBU
403
Gulf International Bank (UK)
United Kingdom
$4.01M -$1.33M -2,097 -25%
MGP
404
Metis Global Partners
California
$4M +$504K +794 +14%
LNB
405
Ledyard National Bank
$3.96M -$178K -280 -4%
Wealthfront Advisers
406
Wealthfront Advisers
California
$3.92M -$744K -1,173 -16%
P
407
&Partners
Tennessee
$3.91M +$472K +740 +14%
BPC
408
Banque Pictet & Cie
Switzerland
$3.89M -$111K -175 -3%
CA
409
Cornerstone Advisors
North Carolina
$3.87M -$1.14M -1,800 -23%
VI
410
Vestcor Inc
New Brunswick, Canada
$3.82M -$9.31M -14,679 -71%
CBB
411
Citizens Business Bank
California
$3.81M +$3.81M +6,011 New
UA
412
Unison Advisors
District of Columbia
$3.8M – – –
Focus Partners Wealth
413
Focus Partners Wealth
Massachusetts
$3.77M -$2.08M -3,280 -36%
Credit Agricole
414
Credit Agricole
France
$3.74M -$3.31M -5,224 -47%
ASN
415
Advisory Services Network
Georgia
$3.73M +$604K +953 +19%
SFI
416
Siemens Fonds Invest
Germany
$3.66M -$192K -302 -5%
CCAM
417
Codex Capital Asset Management
Texas
$3.65M – – –
CP
418
CenterBook Partners
Connecticut
$3.62M -$6.51M -10,270 -64%
EWM
419
Evergreen Wealth Management
Michigan
$3.59M +$3.59M +5,653 New
SAM
420
Securian Asset Management
Minnesota
$3.58M – – –
VC
421
Veracity Capital
Georgia
$3.55M -$8.25K -13 -0.2%
VIM
422
Vinva Investment Management
Australia
$3.51M +$1.1M +1,721 +46%
AIMCA
423
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$3.48M -$1.02M -1,614 -23%
VLKIM
424
Van Lanschot Kempen Investment Management
Netherlands
$3.47M +$94.5K +149 +3%
HCM
425
Hudson Capital Management
New Jersey
$3.46M +$315K +497 +10%
15 16
17
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