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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, Q1 2023

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 2023. 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
1,196
+50 vs. Q4 2022
Shares held
99.1M
+5.03M (+5.3%) vs. Q4 2022
Total value
$76.1B
+$9.34B (+14.0%) vs. Q4 2022
New holders
131
442 more added
Sold out
81
422 more reduced

15 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 holdersQ1 2023: 1,196 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 heldQ1 2023: $76.1B
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, Q1 2023

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q4 2022.

Institutions holding REGN in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Baldwin Brothers Inc49$40.3K0.00%−110−69.2%Reduced
Westside Investment Management, Inc.50$41.1K0.01%−50−50.0%Reduced
Zions Bancorporation, N.A.52$42.7K0.00%−4−7.1%Reduced
Baillie Gifford & Co54$44.4K0.00%+7+14.9%Added
Delos Wealth Advisors, LLC54$44.4K0.06%00.0%Unchanged
Penserra Capital Management LLC56$45.0K0.00%00.0%Unchanged
Gleason Group, Inc.55$45.2K0.01%00.0%Unchanged
Steward Financial Group LLC57$46.0K0.02%+18+46.2%Added
Ridgewood Investments LLC56$46.0K0.03%+56New
Bellevue Asset Management, LLC57$46.8K0.03%00.0%Unchanged
Catalyst Capital Advisors LLC58$47.7K0.00%−26−31.0%Reduced
Ritter Daniher Financial Advisory LLC58$47.7K0.02%−7−10.8%Reduced
Castleview Partners, LLC59$48.5K0.04%00.0%Unchanged
Core Alternative Capital59$48.5K0.01%+8+15.7%Added
Parallax Volatility Advisers, L.P.60$49.3K0.00%00.0%Unchanged
Rosenberg Matthew Hamilton60$49.3K0.02%00.0%Unchanged
Lansing Street Advisors60$49.3K0.03%00.0%Unchanged
Lee Financial Co62$50.9K0.01%00.0%Unchanged
Grove Bank & Trust63$51.8K0.01%+7+12.5%Added
Riggs Asset Managment Co. Inc.65$53.4K0.02%00.0%Unchanged
Milestone Investment Advisors LLC66$54.2K0.02%+66New
Carolinas Wealth Consulting LLC68$55.9K0.01%−10−12.8%Reduced
ICA Group Wealth Management, LLC69$56.7K0.01%+55+392.9%Added
Focused Wealth Management, Inc69$56.7K0.01%00.0%Unchanged
MV Capital Management, Inc.70$57.5K0.01%+8+12.9%Added
Western Pacific Wealth Management, LP73$60.0K0.05%+73New
Trifecta Capital Advisors, LLC73$60.0K0.02%+15+25.9%Added
Riverview Trust Co74$60.8K0.06%00.0%Unchanged
Brown, Lisle/Cummings, Inc.75$61.6K0.03%00.0%Unchanged
Itau Unibanco Holding S.A.80$65.7K0.00%−319−79.9%Reduced
Park Place Capital Corp83$68.2K0.02%−14−14.4%Reduced
Eagle Bay Advisors LLC84$69.0K0.04%−5−5.6%Reduced
WR Wealth Planners, LLC85$69.8K0.03%+85New
St. Johns Investment Management Company, LLC86$70.7K0.04%00.0%Unchanged
WealthPlan Investment Management, LLC87$71.5K0.01%+87New
Hantz Financial Services, Inc.90$74.0K0.00%00.0%Unchanged
TSFG, LLC90$74.0K0.03%00.0%Unchanged
WealthPLAN Partners, LLC93$76.4K0.01%+93New
Sittner & Nelson, LLC95$78.1K0.04%+20+26.7%Added
Highlander Capital Management, LLC100$82.0K0.04%00.0%Unchanged
Ogorek Anthony Joseph100$82.0K0.03%+100New
Mark Sheptoff Financial Planning, LLC100$82.2K0.05%00.0%Unchanged
Turim 21 Investimentos Ltda.100$82.2K0.08%00.0%Unchanged
United Community Bank105$86.3K0.08%00.0%Unchanged
Farther Finance Advisors, LLC108$88.7K0.03%+2+1.9%Added
Hall Laurie J Trustee110$90.0K0.04%−15−12.0%Reduced
CKW Financial Group110$90.0K0.01%00.0%Unchanged
Heritage Wealth Advisors111$91.2K0.01%−20−15.3%Reduced
Financial Management Professionals, Inc.116$95.0K0.02%+85+274.2%Added
TCI Wealth Advisors, Inc.120$98.6K0.01%+19+18.8%Added
JJJ Advisors Inc.120$99.5K0.03%+5+4.3%Added
CVA Family Office, LLC123$101.1K0.02%+3+2.5%Added
Coastal Capital Group, Inc.123$101.1K0.02%00.0%Unchanged
Glassman Wealth Services124$101.9K0.02%+7+6.0%Added
Glen Eagle Advisors, LLC128$105.2K0.03%−1−0.8%Reduced
Smithfield Trust Co127$106.0K0.01%00.0%Unchanged
Godsey & Gibb Associates130$106.8K0.01%00.0%Unchanged
Maryland Capital Advisors Inc.130$106.8K0.09%00.0%Unchanged
Pointe Capital Management LLC132$108.5K0.08%+132New
IFP Advisors, Inc359$110.2K0.01%−741−67.4%Reduced
Farmers & Merchants Investments Inc135$110.9K0.00%+128+1,828.6%Added
Jupiter Wealth Management LLC137$112.6K0.10%−1,011−88.1%Reduced
Parkside Financial Bank & Trust138$113.4K0.03%+16+13.1%Added
TD Private Client Wealth LLC146$120.0K0.01%+4+2.8%Added
Global Retirement Partners, LLC151$121.3K0.01%+18+13.5%Added
Paloma Partners Management Co149$122.4K0.03%+149New
M&R Capital Management Inc150$123.3K0.03%00.0%Unchanged
Montag A & Associates Inc155$127.4K0.01%00.0%Unchanged
Private Trust Co NA155$127.4K0.02%+44+39.6%Added
Cambridge Trust Co157$129.0K0.01%00.0%Unchanged
Newbridge Financial Services Group, Inc.162$133.1K0.07%00.0%Unchanged
Allworth Financial LP163$133.9K0.00%+24+17.3%Added
Whittier Trust Co of Nevada Inc165$135.6K0.00%−2−1.2%Reduced
Edmond de Rothschild Holding S.A.165$135.6K0.00%−96−36.8%Reduced
Salem Investment Counselors Inc168$138.0K0.01%−105−38.5%Reduced
Rowland & Co Investment Counsel171$140.5K0.03%+171New
Financial Perspectives, Inc174$143.0K0.07%00.0%Unchanged
Tortoise Investment Management, LLC175$143.8K0.02%00.0%Unchanged
Pittenger & Anderson Inc175$143.8K0.01%00.0%Unchanged
Independence Bank of Kentucky182$149.5K0.07%00.0%Unchanged
Northwest Investment Counselors, LLC184$151.2K0.04%−24−11.5%Reduced
Creative Financial Designs Inc186$152.4K0.02%−11−5.6%Reduced
Ancora Advisors, LLC197$161.9K0.00%+40+25.5%Added
PKO Investment Management Joint-Stock Co200$164.3K0.02%−400−66.7%Reduced
New England Capital Financial Advisors LLC200$164.3K0.12%00.0%Unchanged
Walleye Capital LLC200$164.3K0.00%+200New
TCTC Holdings, LLC202$166.0K0.01%00.0%Unchanged
First Manhattan Co202$166.0K0.00%00.0%Unchanged
Concord Wealth Partners206$169.3K0.05%+33+19.1%Added
Ronald Blue Trust, Inc.238$172.0K0.00%+40+20.2%Added
Sandy Spring Bank239$196.0K0.01%00.0%Unchanged
Davis R M Inc245$201.0K0.01%+245New
Ipswich Investment Management Co., Inc.245$201.3K0.06%+245New
Arthur M. Cohen & Associates, LLC245$201.3K0.05%+245New
Drive Wealth Management, LLC245$201.3K0.08%+245New
Aaron Wealth Advisors248$203.8K0.03%+248New
Daymark Wealth Partners, LLC248$203.8K0.03%+248New
Wealthspire Advisors, LLC248$203.8K0.00%−39−13.6%Reduced
1492 Capital Management LLC249$204.6K0.13%+249New
TLS Advisors LLC250$205.0K1.05%00.0%Unchanged