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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 %
CSS
1276
Cubist Systematic Strategies
Connecticut
– -$28.3M -39,693 Closed
CCM
1277
Cutter Capital Management
New York
– -$22.4M -31,500 Closed
TAF
1278
Tredje AP-fonden
Sweden
– -$19.2M -27,000 Closed
ZIG
1279
Zurich Insurance Group
Switzerland
– -$16.9M -23,784 Closed
VPC
1280
Vestal Point Capital
New York
– -$14.2M -20,000 Closed
BFM
1281
Boothbay Fund Management
New York
– -$8.82M -12,375 Closed
GIM
1282
Generate Investment Management
New Zealand
– -$5.59M -7,841 Closed
PAM
1283
Pamalican Asset Management
Hong Kong
– -$4.92M -6,900 Closed
QIM
1284
Quantitative Investment Management
Virginia
– -$4.91M -6,898 Closed
CCIA
1285
Campbell & Co Investment Adviser
Maryland
– -$4.9M -6,882 Closed
PP
1286
PDT Partners
New York
– -$4.32M -6,058 Closed
PD
1287
Point72 (DIFC)
United Arab Emirates
– -$4.15M -5,828 Closed
BFG
1288
Bleakley Financial Group
New Jersey
– -$3.78M -5,302 Closed
Capstone Investment Advisors
1289
Capstone Investment Advisors
New York
– -$3.78M -5,301 Closed
SC
1290
Stance Capital
Massachusetts
– -$2.74M -3,849 Closed
GCM
1291
GKV Capital Management
California
– -$2.73M -3,835 Closed
TCM
1292
Twin Capital Management
Pennsylvania
– -$2.6M -3,655 Closed
TPM
1293
Triasima Portfolio Management
Quebec, Canada
– -$2.51M -3,519 Closed
NMC
1294
Nine Masts Capital
Hong Kong
– -$2.42M -3,393 Closed
LIP
1295
Lighthouse Investment Partners
Florida
– -$2.35M -3,300 Closed
Simplex Trading
1296
Simplex Trading
Illinois
– -$2.23M -3,131 Closed
FHB
1297
First Hawaiian Bank
Hawaii
– -$2.13M -2,995 Closed
CM
1298
Crestline Management
Texas
– -$1.99M -2,789 Closed
ML
1299
McAdam LLC
Pennsylvania
– -$1.88M -2,643 Closed
GH
1300
GAM Holding
Switzerland
– -$1.85M -2,604 Closed
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