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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, Q2 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 2025. 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
1,201
−73 vs. Q1 2025
Shares held
89.3M
−3.67M (−4.0%) vs. Q1 2025
Total value
$46.9B
−$12.0B (−20.4%) vs. Q1 2025
New holders
134
443 more added
Sold out
207
475 more reduced

16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 1,201 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 heldQ2 2025: $46.9B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2025.

Institutions holding REGN in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Caitong International Asset Management Co., Ltd131$68.8K0.05%+131New
NBT Bank N A132$69.3K0.00%−30−18.5%Reduced
Twin Peaks Wealth Advisors, LLC126$70.1K0.02%+126New
Montag A & Associates Inc138$72.2K0.00%+1+0.7%Added
Cary Street Partners Financial LLC139$72.8K0.00%−116−45.5%Reduced
Rakuten Securities, Inc.139$73.0K0.03%−48−25.7%Reduced
CVA Family Office, LLC140$73.5K0.01%−25−15.2%Reduced
Arlington Trust Co LLC140$73.5K0.01%00.0%Unchanged
Parkside Financial Bank & Trust142$74.5K0.01%−44−23.7%Reduced
FNY Investment Advisers, LLC150$78.0K0.03%+150New
GeoWealth Management, LLC150$78.8K0.00%−13−8.0%Reduced
VSM Wealth Advisory, LLC150$78.8K0.03%00.0%Unchanged
HM Payson & Co150$78.8K0.00%+35+30.4%Added
Hara Capital LLC161$84.5K0.05%00.0%Unchanged
United Community Bank166$87.2K0.03%+50+43.1%Added
Versant Capital Management, Inc171$89.8K0.01%−55−24.3%Reduced
Larson Financial Group LLC177$92.9K0.00%+124+234.0%Added
Whipplewood Advisors, LLC179$94.0K0.05%+13+7.8%Added
Rossby Financial, LCC180$94.5K0.04%+36+25.0%Added
Park Square Financial Group, LLC185$97.1K0.07%−101−35.3%Reduced
Zions Bancorporation, National Association190$99.8K0.01%+68+55.7%Added
Private Trust Co NA191$100.3K0.01%+27+16.5%Added
Financial Perspectives, Inc193$101.3K0.03%00.0%Unchanged
Provenance Wealth Advisors, LLC200$105.0K0.02%00.0%Unchanged
Centaurus Financial, Inc.202$106.0K0.01%+8+4.1%Added
TCTC Holdings, LLC202$106.0K0.00%00.0%Unchanged
Tower View Investment Management & Research LLC208$109.2K0.06%+208New
CoreCap Advisors, LLC218$114.5K0.00%−19−8.0%Reduced
Ronald Blue Trust, Inc.228$119.7K0.00%−103−31.1%Reduced
Creative Financial Designs Inc231$121.3K0.01%+11+5.0%Added
Capula Management Ltd240$126.0K0.00%+49+25.7%Added
Syntax Research, Inc.245$128.6K0.09%00.0%Unchanged
Solstein Capital, LLC248$130.2K0.07%−41−14.2%Reduced
Brown Brothers Harriman & Co248$130.2K0.00%−30−10.8%Reduced
Lazard Asset Management LLC251$131.0K0.00%−16,712−98.5%Reduced
Anchor Investment Management, LLC250$131.3K0.01%−946−79.1%Reduced
Estabrook Capital Management250$131.3K0.02%00.0%Unchanged
Kelly Lawrence W & Associates Inc263$138.1K0.04%00.0%Unchanged
Amica Retiree Medical Trust264$139.0K0.20%00.0%Unchanged
Twin Lakes Capital Management, LLC267$140.0K0.09%+1+0.4%Added
Rexford Capital Inc273$143.3K0.12%+273New
Onefund, LLC274$144.0K0.10%+274New
Manchester Capital Management LLC284$149.1K0.02%+61+27.4%Added
Independence Bank of Kentucky286$150.2K0.02%+55+23.8%Added
T. Rowe Price Investment Management, Inc.288$152.0K0.00%+288New
CX Institutional302$159.0K0.01%+22+7.9%Added
Banque Transatlantique SA304$159.7K0.00%−50−14.1%Reduced
Key Financial Inc307$161.2K0.03%00.0%Unchanged
MUFG Securities EMEA plc307$161.2K0.01%+307New
Covestor Ltd337$177.0K0.10%+23+7.3%Added
Whittier Trust Co340$178.5K0.00%−500−59.5%Reduced
Opal Wealth Advisors, LLC342$179.6K0.05%+98+40.2%Added
Bartlett & Co. Wealth Management LLC347$182.2K0.00%+3+0.9%Added
Cary Street Partner Investment Advisory LLC349$183.2K0.09%−23−6.2%Reduced
Harbour Investments, Inc.354$185.9K0.00%−49−12.2%Reduced
Sentry Investment Management LLC339$186.0K0.10%00.0%Unchanged
Huntington National Bank378$198.4K0.00%−122−24.4%Reduced
Klingman & Associates, LLC382$200.6K0.01%+382New
VisionPoint Advisory Group, LLC383$201.1K0.04%+383New
Gradient Capital Advisors, LLC384$201.6K0.06%00.0%Unchanged
United Advisor Group, LLC385$202.1K0.03%+4+1.0%Added
MBB Public Markets I LLC386$202.7K0.02%−90−18.9%Reduced
Ritholtz Wealth Management386$202.7K0.00%−100−20.6%Reduced
Hobbs Group Advisors, LLC387$203.0K0.07%−545−58.5%Reduced
Insigneo Advisory Services, LLC387$203.2K0.02%−24−5.8%Reduced
Murphy & Mullick Capital Management Corp374$204.0K0.17%−56−13.0%Reduced
MidWestOne Financial Group, Inc.389$204.2K0.03%+389New
Robinson Smith Wealth Advisors LLC390$204.8K0.16%−358−47.9%Reduced
Fiducient Advisors LLC390$204.8K0.03%00.0%Unchanged
Davenport & Co LLC394$206.9K0.00%−33−7.7%Reduced
Marino, Stram & Associates LLC396$208.0K0.04%+20+5.3%Added
Greykasell Wealth Strategies, Inc.399$209.5K0.10%−309−43.6%Reduced
Adirondack Trust Co400$210.0K0.08%−51−11.3%Reduced
Noesis Capital Mangement Corp400$210.0K0.04%00.0%Unchanged
Physicians Financial Services, Inc.400$210.0K0.06%+15+3.9%Added
Penserra Capital Management LLC402$210.0K0.00%+393+4,366.7%Added
Oversea-Chinese Banking CORP Ltd400$210.0K0.01%+400New
Patton Fund Management, Inc.400$210.0K0.05%+400New
Rothschild Investment LLC403$211.6K0.01%+3+0.8%Added
Skopos Labs, Inc.407$213.3K0.03%−103−20.2%Reduced
Wealth Alliance409$214.9K0.02%00.0%Unchanged
Deroy & Devereaux Private Investment Counsel Inc410$215.0K0.01%00.0%Unchanged
Principal Street Partners, LLC410$215.3K0.02%+410New
Capital Analysts, LLC413$217.0K0.01%00.0%Unchanged
Capital Investment Advisors, LLC414$217.5K0.00%−24−5.5%Reduced
AlTi Global, Inc.415$218.0K0.01%+11+2.7%Added
Gladstone Institutional Advisory LLC418$219.4K0.01%+418New
American Alpha Advisors, LLC419$220.0K0.18%+77+22.5%Added
EverSource Wealth Advisors, LLC421$220.8K0.01%−122−22.5%Reduced
SevenBridge Financial Group, LLC397$221.0K0.04%−145−26.8%Reduced
Bingham Private Wealth, LLC427$224.2K0.21%+427New
Aventura Private Wealth, LLC428$224.7K0.10%−192−31.0%Reduced
Centiva Capital, LP431$226.3K0.01%+431New
Chesley Taft & Associates LLC435$228.4K0.01%−50−10.3%Reduced
Guardian Wealth Advisors, LLC437$229.4K0.02%+38+9.5%Added
Quent Capital, LLC438$230.1K0.02%+39+9.8%Added
Clearstead Advisors, LLC439$230.5K0.00%−112−20.3%Reduced
Axxcess Wealth Management, LLC439$230.5K0.01%+439New
DRW Securities, LLC440$231.0K0.02%+440New
Agf Management Ltd445$233.6K0.00%−798−64.2%Reduced