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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 2021

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 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
975
+61 vs. Q1 2021
Shares held
88.9M
−469.4K (−0.5%) vs. Q1 2021
Total value
$49.6B
+$7.39B (+17.5%) vs. Q1 2021
New holders
149
368 more added
Sold out
88
307 more reduced

12 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2021: 975 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 2021: $49.6B
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 2021

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2021.

Institutions holding REGN in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Stephens Inc744$416.0K0.01%−100−11.8%Reduced
AIA Group Ltd714$418.0K0.03%−804−53.0%Reduced
Graypoint LLC753$421.0K0.06%+66+9.6%Added
Abbot Financial Management, Inc.761$425.0K0.19%+50+7.0%Added
MUFG Securities EMEA plc780$436.0K0.00%−2,100−72.9%Reduced
Raymond James Trust N.A.788$440.0K0.01%−71−8.3%Reduced
John G Ullman & Associates Inc800$447.0K0.06%00.0%Unchanged
Axiom Investment Management LLC800$447.0K0.35%00.0%Unchanged
YHB Investment Advisors, Inc.803$449.0K0.04%00.0%Unchanged
Echo Street Capital Management LLC805$450.0K0.00%−244−23.3%Reduced
Boyd Watterson Asset Management LLC809$452.0K0.18%−1,443−64.1%Reduced
Symmetry Partners, LLC815$455.0K0.03%+222+37.4%Added
Westhampton Capital, LLC818$457.0K0.30%+20+2.5%Added
Bank Julius Baer & Co. Ltd, Zurich827$462.0K0.00%+77+10.3%Added
Seven Springs Wealth Group, LLC827$462.0K0.20%+827New
Shufro Rose & Co LLC834$466.0K0.04%+4+0.5%Added
Skba Capital Management LLC845$472.0K0.09%+100+13.4%Added
Leavell Investment Management, Inc.1,000$473.0K0.04%00.0%Unchanged
Pantheon Investment Group, LLC846$473.0K0.40%+846New
Paces Ferry Wealth Advisors, LLC855$478.0K0.37%−14−1.6%Reduced
Hayden Royal, LLC862$481.0K0.26%−15−1.7%Reduced
SevenBridge Financial Group, LLC861$481.0K0.16%+187+27.7%Added
Claybrook Capital, LLC861$481.0K0.16%+861New
Rehmann Capital Advisory Group872$489.8K0.05%−124−12.4%Reduced
LMR Partners LLP880$492.0K0.01%+880New
Klingenstein Fields & Co LP885$494.0K0.02%00.0%Unchanged
Nations Financial Group Inc,886$495.0K0.08%+32+3.7%Added
Intrust Bank NA886$495.0K0.07%+147+19.9%Added
Cowa, LLC866$498.0K0.31%+28+3.3%Added
Lindbrook Capital, LLC891$498.0K0.11%+51+6.1%Added
NorthCoast Asset Management LLC893$499.0K0.02%+3+0.3%Added
J.W. Cole Advisors, Inc.895$500.0K0.04%+457+104.3%Added
XML Financial, LLC898$502.0K0.11%+3+0.3%Added
Howland Capital Management LLC907$507.0K0.03%−5−0.5%Reduced
Allstate Corp913$510.0K0.02%−369−28.8%Reduced
Magnus Financial Group LLC913$510.0K0.11%+170+22.9%Added
Samalin Investment Counsel, LLC915$511.0K0.33%+915New
Stonebridge Capital Management Inc920$514.0K0.19%00.0%Unchanged
ClariVest Asset Management LLC919$514.0K0.02%00.0%Unchanged
Kinneret Advisory, LLC922$515.0K0.06%00.0%Unchanged
Altshuler Shaham Ltd921$515.0K0.00%+127+16.0%Added
Chesley Taft & Associates LLC923$516.0K0.03%−55−5.6%Reduced
Penobscot Investment Management Company, Inc.925$517.0K0.08%+250+37.0%Added
Banque Pictet & Cie SA928$518.0K0.01%00.0%Unchanged
Pictet North America Advisors SA928$518.0K0.05%00.0%Unchanged
Altfest L J & Co Inc931$520.0K0.11%−14−1.5%Reduced
Park Avenue Securities LLC933$521.0K0.01%−173−15.6%Reduced
Trust Asset Management LLC936$523.0K0.07%+103+12.4%Added
Oak Grove Capital LLC940$525.0K0.12%+220+30.6%Added
Virtus ETF Advisers LLC944$527.0K0.22%−303−24.3%Reduced
Federation des caisses Desjardins du Quebec946$528.1K0.01%−878−48.1%Reduced
Stoneridge Investment Partners LLC950$531.0K0.26%+950New
Archford Capital Strategies, LLC955$533.0K0.13%+63+7.1%Added
MidWestOne Financial Group, Inc.958$535.0K0.13%−19−1.9%Reduced
Optas, LLC961$537.0K0.15%+5+0.5%Added
Tokio Marine Asset Management Co Ltd964$538.0K0.05%+216+28.9%Added
Great Diamond Partners, LLC971$542.0K0.15%00.0%Unchanged
Ashford Capital Management Inc978$546.0K0.05%00.0%Unchanged
Chicago Trust Co NA983$549.0K0.13%+983New
Newbridge Financial Services Group, Inc.992$554.0K0.34%−397−28.6%Reduced
Caas Capital Management LP994$555.0K0.03%−3,526−78.0%Reduced
Peconic Partners LLC1,000$559.0K0.06%00.0%Unchanged
Ieq Capital, LLC1,005$561.0K0.02%+427+73.9%Added
Johnson Investment Counsel Inc1,007$562.0K0.01%+4+0.4%Added
Canvas Wealth Advisors, LLC1,006$562.0K0.25%+1,006New
Connecticut Wealth Management, LLC1,016$567.0K0.05%00.0%Unchanged
Lazard Asset Management LLC1,021$570.0K0.00%−2,164−67.9%Reduced
Ethic Inc.1,038$580.0K0.07%+290+38.8%Added
Arnhold LLC1,051$587.0K0.07%00.0%Unchanged
Segall Bryant & Hamill, LLC1,060$592.0K0.01%−415−28.1%Reduced
Asahi Life Asset Management Co., Ltd.1,060$592.0K0.08%+155+17.1%Added
Sicart Associates LLC1,063$594.0K0.14%00.0%Unchanged
Woodstock Corp1,069$597.0K0.07%+436+68.9%Added
Compagnie Lombard Odier SCmA1,070$598.0K0.01%−105−8.9%Reduced
Institute for Wealth Management, LLC.1,082$604.0K0.11%−34−3.0%Reduced
Jacobi Capital Management LLC1,084$605.0K0.08%+1,030+1,907.4%Added
Columbia Asset Management1,084$605.0K0.14%+1,084New
Cim Investment Mangement Inc1,087$607.0K0.19%−18−1.6%Reduced
Agf Investments Inc.1,091$609.0K0.00%+719+193.3%Added
Old Port Advisors1,050$610.0K0.22%00.0%Unchanged
Odey Holdings Ltd1,100$614.0K5.23%+1,100New
Paradigm Asset Management Co LLC1,100$614.4K0.16%00.0%Unchanged
Atlas Private Wealth Advisors1,103$616.0K0.33%+6+0.5%Added
Valley National Advisers Inc1,103$616.0K0.11%+471+74.5%Added
Pzena Investment Management LLC1,114$622.0K0.00%−141−11.2%Reduced
Sentry Investment Management LLC1,139$636.0K0.16%00.0%Unchanged
Conning Inc.1,140$637.0K0.02%−125−9.9%Reduced
Traphagen Investment Advisors LLC1,149$641.8K0.11%00.0%Unchanged
Gateway Investment Advisers LLC1,153$644.0K0.01%−54−4.5%Reduced
Lombard Odier Asset Management (Switzerland) SA1,161$648.0K0.03%−133−10.3%Reduced
Pflug Koory, LLC1,160$648.0K0.34%00.0%Unchanged
Signaturefd, LLC1,169$653.0K0.03%+437+59.7%Added
Synovus Financial Corp1,164$656.0K0.01%+4+0.3%Added
PEAK6 Investments LLC1,180$659.0K0.02%−25,169−95.5%Reduced
Heritage Trust Co1,181$660.0K0.09%−214−15.3%Reduced
Clear Creek Financial Management, LLC1,181$660.0K0.10%+1,181New
Investment House LLC1,195$667.0K0.05%00.0%Unchanged
Regions Financial Corp1,212$677.0K0.01%−252−17.2%Reduced
Vectors Research Management, LLC1,212$677.0K0.17%+37+3.1%Added
HNP Capital LLC1,212$677.0K0.18%+43+3.7%Added