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Regeneron Pharmaceuticals, Inc.

REGN
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000872589

In the last 90 days, Regeneron Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 5 sales; 1,342 institutions reported holding it in 13F filings for Q2 2026, worth $57.1B in total; Southeastern Asset Management (Longleaf) is the only superinvestor holding it.

13F holders, Q4 2021

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,081
+77 vs. Q3 2021
Shares held
90.2M
+85.9K (+0.1%) vs. Q3 2021
Total value
$56.9B
+$2.60B (+4.8%) vs. Q3 2021
New holders
175
428 more added
Sold out
98
320 more reduced

18 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting REGN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2021: 1,081 institutions
Q1 2021: 926 institutionsQ2 2021: 975 institutionsQ3 2021: 1,022 institutionsQ4 2021: 1,081 institutionsQ1 2022: 1,097 institutionsQ2 2022: 1,066 institutionsQ3 2022: 1,081 institutionsQ4 2022: 1,161 institutionsQ1 2023: 1,196 institutionsQ2 2023: 1,168 institutionsQ3 2023: 1,180 institutionsQ4 2023: 1,274 institutionsQ1 2024: 1,313 institutionsQ2 2024: 1,335 institutionsQ3 2024: 1,393 institutionsQ4 2024: 1,320 institutionsQ1 2025: 1,290 institutionsQ2 2025: 1,201 institutionsQ3 2025: 1,243 institutionsQ4 2025: 1,387 institutionsQ1 2026: 1,401 institutionsQ2 2026: 1,342 institutions
Value heldQ4 2021: $56.9B
Q1 2021: $42.3BQ2 2021: $49.6BQ3 2021: $54.5BQ4 2021: $56.9BQ1 2022: $64.5BQ2 2022: $55.0BQ3 2022: $64.0BQ4 2022: $66.9BQ1 2023: $76.1BQ2 2023: $66.2BQ3 2023: $75.1BQ4 2023: $80.3BQ1 2024: $89.3BQ2 2024: $98.9BQ3 2024: $97.5BQ4 2024: $66.6BQ1 2025: $59.0BQ2 2025: $46.9BQ3 2025: $49.0BQ4 2025: $70.7BQ1 2026: $69.8BQ2 2026: $57.1B
Institutions holding REGN and their total value by quarter
QuarterHoldersValue
Q2 20261,342$57.1B
Q1 20261,401$69.8B
Q4 20251,387$70.7B
Q3 20251,243$49.0B
Q2 20251,201$46.9B
Q1 20251,290$59.0B
Q4 20241,320$66.6B
Q3 20241,393$97.5B
Q2 20241,335$98.9B
Q1 20241,313$89.3B
Q4 20231,274$80.3B
Q3 20231,180$75.1B
Q2 20231,168$66.2B
Q1 20231,196$76.1B
Q4 20221,161$66.9B
Q3 20221,081$64.0B
Q2 20221,066$55.0B
Q1 20221,097$64.5B
Q4 20211,081$56.9B
Q3 20211,022$54.5B
Q2 2021975$49.6B
Q1 2021926$42.3B

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q3 2021.

Institutions holding REGN in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Fieldpoint Private Securities, LLC49$31.0K0.01%+15+44.1%Added
Heritage Wealth Advisors50$32.0K0.00%00.0%Unchanged
Benjamin Edwards Inc53$33.0K0.01%+53New
Delos Wealth Advisors, LLC52$33.0K0.03%+52New
Focused Wealth Management, Inc54$34.0K0.01%00.0%Unchanged
Tarbox Family Office, Inc.54$34.0K0.01%+1+1.9%Added
Byrne Asset Management LLC54$34.0K0.02%+54New
Gleason Group, Inc.55$35.0K0.01%00.0%Unchanged
Zions Bancorporation, N.A.55$35.0K0.00%+13+31.0%Added
Allworth Financial LP55$35.0K0.00%+23+71.9%Added
Evoke Wealth, LLC57$36.0K0.00%−1−1.7%Reduced
Carolinas Wealth Consulting LLC57$36.0K0.01%00.0%Unchanged
Catalyst Capital Advisors LLC58$37.0K0.00%−31−34.8%Reduced
Mint Tower Capital Management B.V.59$37.0K0.01%+59New
Rosenberg Matthew Hamilton60$38.0K0.01%+60New
Sandy Spring Bank62$39.0K0.00%00.0%Unchanged
Sumitomo Mitsui Financial Group, Inc.70$45.0K0.00%+10+16.7%Added
Fortitude Advisory Group L.L.C.71$45.0K0.02%+71New
Surevest, LLC73$46.0K0.01%+73New
Larson Financial Group LLC74$47.0K0.01%−38−33.9%Reduced
Tradition Wealth Management, LLC75$47.0K0.01%00.0%Unchanged
Sittner & Nelson, LLC75$47.0K0.03%00.0%Unchanged
IronBridge Private Wealth, LLC75$47.0K0.02%+30+66.7%Added
Lenox Wealth Advisors, LLC75$47.0K0.01%+73+3,650.0%Added
Brown, Lisle/Cummings, Inc.75$47.4K0.02%+75New
Glassman Wealth Services77$49.0K0.01%+33+75.0%Added
TCI Wealth Advisors, Inc.82$52.0K0.01%−26−24.1%Reduced
Sierra Capital LLC83$52.0K0.01%+6+7.8%Added
Parkside Financial Bank & Trust82$52.0K0.01%+9+12.3%Added
St. Johns Investment Management Company, LLC86$54.0K0.03%00.0%Unchanged
Hudock, Inc.90$56.0K0.02%00.0%Unchanged
RWM Asset Management, LLC90$57.0K0.01%+10+12.5%Added
Castleview Partners, LLC37,259$59.0K0.00%+37,259New
CVA Family Office, LLC95$60.0K0.01%+95New
Brewin Dolphin Wealth Management Ltd96$61.0K0.01%00.0%Unchanged
Riggs Asset Managment Co. Inc.100$63.0K0.02%00.0%Unchanged
Turim 21 Investimentos Ltda.100$63.0K0.03%00.0%Unchanged
Westside Investment Management, Inc.100$63.0K0.00%00.0%Unchanged
TFC Financial Management100$63.0K0.02%+99+9,900.0%Added
Equitec Proprietary Markets, LLC100$63.0K0.03%+100New
Aquatic Capital Management LLC100$63.0K0.12%+100New
United Community Bank100$63.2K0.06%+100New
Optiver Holding B.V.109$66.0K0.00%00.0%Unchanged
Seldon Capital LP104$66.0K0.04%+104New
Smithfield Trust Co104$67.0K0.00%00.0%Unchanged
Eagle Bay Advisors LLC109$69.0K0.04%−102−48.3%Reduced
Kistler-Tiffany Companies, LLC110$69.0K0.01%00.0%Unchanged
Itau Unibanco Holding S.A.117$75.0K0.00%−440−79.0%Reduced
Zullo Investment Group, Inc.118$75.0K0.04%+118New
Tortoise Investment Management, LLC120$76.0K0.01%00.0%Unchanged
Coastal Capital Group, Inc.123$78.0K0.02%00.0%Unchanged
Newbridge Financial Services Group, Inc.126$80.0K0.04%+34+37.0%Added
Montag A & Associates Inc130$82.0K0.00%00.0%Unchanged
AdvisorNet Financial, Inc130$82.0K0.01%+2+1.6%Added
JJJ Advisors Inc.130$82.0K0.02%+11+9.2%Added
Gemmer Asset Management LLC132$83.0K0.01%00.0%Unchanged
TD Private Client Wealth LLC134$84.6K0.00%+38+39.6%Added
MUFG Securities EMEA plc135$85.0K0.00%00.0%Unchanged
Glen Eagle Advisors, LLC136$85.9K0.02%00.0%Unchanged
Carroll Financial Associates, Inc.143$90.0K0.00%−3−2.1%Reduced
Gladius Capital Management LP146$93.0K0.03%+146New
Hall Laurie J Trustee150$95.0K0.03%00.0%Unchanged
Highlander Capital Management, LLC150$95.0K0.04%00.0%Unchanged
Mark Sheptoff Financial Planning, LLC150$95.0K0.05%00.0%Unchanged
Concord Wealth Partners150$95.0K0.02%+135+900.0%Added
EverSource Wealth Advisors, LLC152$96.0K0.03%+152New
Reilly Financial Advisors, LLC158$100.0K0.01%00.0%Unchanged
Newfound Research LLC160$101.0K0.12%−10−5.9%Reduced
PFG Private Wealth Management, LLC165$104.0K0.05%+18+12.2%Added
Archer Investment Corp166$104.8K0.04%00.0%Unchanged
Cambridge Trust Co167$106.0K0.00%+167New
Retirement Planning Co of New England, Inc.173$109.0K0.05%+173New
Financial Perspectives, Inc174$109.9K0.05%00.0%Unchanged
Ancora Advisors, LLC174$110.0K0.00%+17+10.8%Added
Whittier Trust Co179$113.0K0.00%+141+371.1%Added
Anfield Capital Management, LLC181$114.0K0.04%+165+1,031.3%Added
Altshuler Shaham Ltd196$124.0K0.00%−149,984−99.9%Reduced
SG3 Management, LLC200$126.0K0.01%−300−60.0%Reduced
Pittenger & Anderson Inc200$126.0K0.01%+200New
Creative Financial Designs Inc201$127.0K0.02%+176+704.0%Added
TCTC Holdings, LLC202$128.0K0.01%−20−9.0%Reduced
First National Bank of South Miami206$130.0K0.08%+58+39.2%Added
Chilton Capital Management LLC209$132.0K0.01%+209New
Islay Capital Management, LLC213$135.0K0.10%+213New
GPS Wealth Strategies Group, LLC223$141.0K0.03%+27+13.8%Added
Covestor Ltd225$142.0K0.20%+225New
Ellevest, Inc.227$143.0K0.01%+1+0.4%Added
CoreCap Advisors, LLC229$145.0K0.01%+229New
Cedar Wealth Management, LLC241$152.0K0.06%00.0%Unchanged
Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.240$152.0K0.07%+10+4.3%Added
Covington Capital Management245$155.0K0.01%00.0%Unchanged
High Net Worth Advisory Group LLC250$158.0K0.06%+250New
Benjamin F. Edwards & Company, Inc.255$161.0K0.01%+30+13.3%Added
ICICI Prudential Asset Management Co Ltd260$164.0K0.02%+260New
Adirondack Trust Co266$168.0K0.08%+4+1.5%Added
Roberts Capital Advisors, LLC268$169.0K0.16%+268New
Twin Lakes Capital Management, LLC276$174.0K0.09%−14−4.8%Reduced
Estabrook Capital Management280$176.8K0.03%+30+12.0%Added
Proequities, Inc.285$180.0K0.01%+3+1.1%Added
State of Wyoming285$180.0K0.08%+35+14.0%Added