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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 %
Fifth Third Bancorp
376
Fifth Third Bancorp
Ohio
$4.88M -$604K -952 -11%
FDCDDQ
377
Federation des caisses Desjardins du Quebec
Quebec, Canada
$4.69M -$269K -424 -5%
Vontobel Holding
378
Vontobel Holding
Switzerland
$4.65M +$559K +881 +14%
BHCM
379
Brevan Howard Capital Management
Jersey
$4.65M -$223K -351 -5%
AIP
380
ARS Investment Partners
New York
$4.61M -$2.14K -3 -0%
OSAM
381
O'Shaughnessy Asset Management
Connecticut
$4.58M +$681K +1,074 +17%
PWM
382
Perigon Wealth Management
California
$4.53M -$10.8K -17 -0.2%
KRS
383
Kentucky Retirement Systems
Kentucky
$4.53M -$98.3K -155 -2%
WC
384
Woodstock Corp
Massachusetts
$4.51M +$1.56M +2,460 +53%
PAP
385
Persistent Asset Partners
Hong Kong
$4.43M +$4.43M +6,980 New
KFC
386
Klingenstein Fields & Co
New York
$4.4M +$87.5K +138 +2%
Kovitz Investment Group Partners
387
Kovitz Investment Group Partners
Illinois
$4.39M +$2.63M +4,154 +150%
EI
388
Ethic Inc
New York
$4.37M -$2.21M -3,587 -34%
CFB
389
Cullen/Frost Bankers
Texas
$4.36M +$356K +561 +9%
CHAM
390
Clear Harbor Asset Management
Connecticut
$4.31M +$877K +1,382 +25%
HFM
391
Harvest Fund Management
China
$4.31M +$279K +440 +7%
CB
392
Commerce Bank
Missouri
$4.3M -$16.5K -26 -0.4%
IAM
393
Impact Asset Management
$4.29M +$152K +240 +4%
ClearBridge Investments
394
ClearBridge Investments
New York
$4.26M +$1.74M +2,746 +69%
JFG
395
Jefferies Financial Group
New York
$4.2M -$18.5M -29,199 -82%
FMI
396
F/M Investments
District of Columbia
$4.19M -$256K -404 -6%
PA
397
Procyon Advisors
Connecticut
$4.11M +$1.9M +2,992 +86%
JGUA
398
John G. Ullman & Associates
New York
$4.08M +$1.98M +3,115 +94%
ELI
399
Empire Life Investments
Ontario, Canada
$4.07M +$1.49M +2,344 +57%
MAM
400
Madison Asset Management
Wisconsin
$4.07M -$15.9K -25 -0.4%
14 15
16
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