Regeneron Pharmaceuticals, Inc. REGN
We take great care to ensure that the data presented and summarized in this overview for REGENERON PHARMACEUTICALS, INC. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding REGN
View all-
Vanguard Group Inc Valley Forge, PA9.05MShares$6.27 Billion0.08% of portfolio
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Black Rock Inc. New York, NY8.45MShares$5.86 Billion0.2% of portfolio
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State Street Corp Boston, MA4.69MShares$3.25 Billion0.09% of portfolio
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Dodge & Cox San Francisco, CA4.55MShares$3.16 Billion1.47% of portfolio
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Jpmorgan Chase & CO New York, NY4.07MShares$2.82 Billion0.15% of portfolio
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Geode Capital Management, LLC Boston, MA2.54MShares$1.76 Billion0.09% of portfolio
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Franklin Resources Inc San Mateo, CA2.45MShares$1.7 Billion0.37% of portfolio
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Capital World Investors Los Angeles, CA2MShares$1.39 Billion0.16% of portfolio
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Loomis Sayles & CO L P1.98MShares$1.37 Billion1.37% of portfolio
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Invesco Ltd. Atlanta, GA1.48MShares$1.03 Billion0.14% of portfolio
Latest Institutional Activity in REGN
Top Purchases
Top Sells
About REGN
Regeneron Pharmaceuticals, Inc. discovers, invents, develops, manufactures, and commercializes medicines for treating various diseases worldwide. The company's products include EYLEA injection to treat wet age-related macular degeneration and diabetic macular edema; myopic choroidal neovascularization; and diabetic retinopathy, as well as macular edema following retinal vein occlusion, including macular edema following central retinal vein occlusion and macular edema following branch retinal vein occlusion. It also provides Dupixent injection to treat atopic dermatitis and asthma in adults and pediatrics; Libtayo injection to treat metastatic or locally advanced cutaneous squamous cell carcinoma;Praluent injection for heterozygous familial hypercholesterolemia or clinical atherosclerotic cardiovascular disease in adults; REGEN-COV for covid-19; and Kevzara solution for treating rheumatoid arthritis in adults. In addition, the company offers Inmazeb injection for infection caused by Zaire ebolavirus; ARCALYST injection for cryopyrin-associated periodic syndromes, including familial cold auto-inflammatory syndrome and muckle-wells syndrome; and ZALTRAP injection for intravenous infusion to treat metastatic colorectal cancer; and develops product candidates for treating patients with eye, allergic and inflammatory, cardiovascular and metabolic, infectious, and rare diseases; and cancer, pain, and hematologic conditions. It has collaboration and license agreements with Sanofi; Bayer; Teva Pharmaceutical Industries Ltd.; Mitsubishi Tanabe Pharma Corporation; Alnylam Pharmaceuticals, Inc.; Roche Pharmaceuticals; and Kiniksa Pharmaceuticals, Ltd., as well as has an agreement with the U.S. Department of Health and Human Services, as well as with Zai Lab Limited; Intellia Therapeutics, Inc.; Biomedical Advanced Research Development Authority; and AstraZeneca PLC. The company was incorporated in 1988 and is headquartered in Tarrytown, New York.
Insider Transactions at REGN
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 08
2025
|
Daniel P Van Plew EVP & General Mgr, Industrial |
SELL
Payment of exercise price or tax liability
|
Direct |
1,906
-7.29%
|
$1,357,072
$712.94 P/Share
|
|
Dec 08
2025
|
Andrew J Murphy EVP Research |
SELL
Payment of exercise price or tax liability
|
Direct |
1,699
-3.16%
|
$1,209,688
$712.94 P/Share
|
|
Dec 08
2025
|
Joseph J Larosa EVP General Counsel and Secret |
SELL
Payment of exercise price or tax liability
|
Direct |
1,396
-4.52%
|
$993,952
$712.94 P/Share
|
|
Dec 08
2025
|
Marion Mc Court EVP Commercial |
SELL
Payment of exercise price or tax liability
|
Direct |
1,336
-8.0%
|
$951,232
$712.94 P/Share
|
|
Dec 08
2025
|
Christopher R. Fenimore EVP Finance CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
992
-5.14%
|
$706,304
$712.94 P/Share
|
|
Dec 05
2025
|
Daniel P Van Plew EVP & General Mgr, Industrial |
BUY
Grant, award, or other acquisition
|
Direct |
3,715
+12.45%
|
-
|
|
Dec 05
2025
|
Andrew J Murphy EVP Research |
BUY
Grant, award, or other acquisition
|
Direct |
3,715
+6.46%
|
-
|
|
Dec 05
2025
|
Joseph J Larosa EVP General Counsel and Secret |
BUY
Grant, award, or other acquisition
|
Direct |
2,476
+7.42%
|
-
|
|
Dec 05
2025
|
Marion Mc Court EVP Commercial |
BUY
Grant, award, or other acquisition
|
Direct |
2,476
+12.91%
|
-
|
|
Dec 05
2025
|
Christopher R. Fenimore EVP Finance CFO |
BUY
Grant, award, or other acquisition
|
Direct |
3,027
+13.56%
|
-
|
|
Nov 20
2025
|
Bonnie L Bassler Director |
SELL
Open market or private sale
|
Direct |
760
-32.93%
|
$570,000
$750.0 P/Share
|
|
Nov 20
2025
|
Bonnie L Bassler Director |
BUY
Exercise of conversion of derivative security
|
Direct |
760
+24.77%
|
$281,960
$371.4 P/Share
|
|
Nov 20
2025
|
Joseph J Larosa EVP General Counsel and Secret |
SELL
Payment of exercise price or tax liability
|
Direct |
12,686
-35.71%
|
$9,336,896
$736.77 P/Share
|
|
Nov 20
2025
|
Joseph J Larosa EVP General Counsel and Secret |
BUY
Exercise of conversion of derivative security
|
Direct |
14,450
+28.91%
|
$8,019,750
$555.67 P/Share
|
|
Nov 07
2025
|
Jason Pitofsky VP Controller |
SELL
Open market or private sale
|
Direct |
431
-9.24%
|
$280,581
$651.43 P/Share
|
|
Oct 30
2025
|
Andrew J Murphy EVP Research |
SELL
Bona fide gift
|
Direct |
1,538
-2.98%
|
-
|
|
Oct 30
2025
|
Christine A Poon Director |
BUY
Exercise of conversion of derivative security
|
Direct |
2,712
+34.88%
|
$1,410,240
$520.01 P/Share
|
|
Oct 29
2025
|
Andrew J Murphy EVP Research |
SELL
Payment of exercise price or tax liability
|
Direct |
32,490
-38.64%
|
$21,053,520
$648.82 P/Share
|
|
Oct 29
2025
|
Andrew J Murphy EVP Research |
BUY
Exercise of conversion of derivative security
|
Direct |
35,000
+29.39%
|
$19,425,000
$555.67 P/Share
|
|
Oct 29
2025
|
Christine A Poon Director |
SELL
Open market or private sale
|
Direct |
6,500
-18.89%
|
$4,251,000
$654.91 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 17.2K shares |
|---|---|
| Exercise of conversion of derivative security | 62.8K shares |
| Acquisition or disposition by will or laws | 14 shares |
| Payment of exercise price or tax liability | 59K shares |
|---|---|
| Open market or private sale | 7.69K shares |
| Bona fide gift | 1.54K shares |