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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 4 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.

Q2 2025 vs. Q1 2025

How the institutions holding Regeneron Pharmaceuticals, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of REGN: Q1 2025 compared with Q2 2025
MeasureQ1 2025Of which not filed for Q2 2025Q2 2025Change
Holders1,290161,201−73
Shares93.1M111.1K89.3M−3.67M (−4.0%)
Value$59.0B$70.5M$46.9B−$12.0B (−20.4%)

16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (134)

Institutions that held Regeneron Pharmaceuticals, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Showing the largest 100 of 134 by value.

Institutions new to REGN in Q2 2025
InstitutionSharesValue% of portfolio
Swedbank AB228,297$119.9M0.13%
Point72 Asset Management, L.P.143,108$75.1M0.18%
Parnassus Investments101,084$53.1M0.12%
Cubist Systematic Strategies, LLC94,942$49.8M0.54%
Quadrature Capital Ltd70,449$37.0M0.64%
Integral Health Asset Management, LLC50,000$26.3M2.45%
LMR Partners LLP43,644$22.9M0.36%
Freestone Grove Partners LP43,411$22.8M0.17%
PEAK6 LLC37,230$19.5M0.66%
Caption Management, LLC31,200$16.4M1.50%
Point72 Europe (London) LLP29,247$15.4M0.79%
Zurich Insurance Group Ltd22,651$11.9M0.09%
DDD Partners, LLC20,496$10.8M1.15%
Solas Capital Management, LLC18,594$9.76M5.46%
IMC-Chicago, LLC17,952$9.42M0.24%
Scion Asset Management, LLC15,000$7.88M14.00%
Baader Bank INC14,289$7.50M0.65%
Eversept Partners, LP13,254$6.96M0.70%
Generate Investment Management Ltd12,000$6.30M0.35%
Meritage Portfolio Management11,455$6.01M0.38%
Artia Global Partners LP10,671$5.60M1.44%
Charter Trust Co8,976$4.71M0.30%
Suvretta Capital Management, LLC8,630$4.53M0.17%
Point72 (DIFC) Ltd8,398$4.41M0.35%
Mizuho Securities USA LLC7,179$3.77M0.08%
JB Capital LLC6,904$3.62M0.18%
Arnhold LLC6,228$3.27M0.30%
Glenmede Investment Management, LP6,079$3.19M0.02%
Arrowstreet Capital, Limited Partnership6,063$3.18M0.00%
AMG National Trust Bank5,969$3.13M0.08%
Sovran Advisors, LLC5,020$2.75M0.29%
Twin Tree Management, LP4,891$2.57M0.06%
StemPoint Capital LP4,672$2.45M0.79%
Krensavage Asset Management, LLC4,000$2.10M1.11%
Point72 Asia (Singapore) Pte. Ltd.3,488$1.83M0.33%
Lighthouse Investment Partners, LLC3,200$1.68M0.07%
Cinctive Capital Management LP3,109$1.63M0.09%
Game Creek Capital, LP3,075$1.61M0.83%
Boothbay Fund Management, LLC2,699$1.42M0.04%
Palouse Capital Management, Inc.2,697$1.42M0.93%
Polianta Ltd2,600$1.36M0.59%
ISAM Funds (UK) Ltd2,539$1.33M0.29%
Cambria Investment Management, L.P.2,536$1.33M0.09%
Wetherby Asset Management Inc2,530$1.33M0.06%
Triglav Skladi, D.O.O.2,515$1.32M0.10%
MASTERINVEST Kapitalanlage GmbH2,168$1.14M0.12%
Vise Technologies, Inc.2,143$1.12M0.05%
Harrell Investment Partners, LLC2,010$1.06M0.27%
K.J. Harrison & Partners Inc2,001$1.05M0.17%
CWA Asset Management Group, LLC1,430$750.8K0.03%
Winton Group Ltd1,353$710.3K0.04%
Campbell & CO Investment Adviser LLC1,345$706.1K0.04%
Canada Post Corp Registered Pension Plan1,215$637.9K0.04%
Perbak Capital Partners LLP1,167$612.7K0.14%
Morningstar Investment Management LLC1,159$608.0K0.05%
Altfest L J & Co Inc1,042$547.0K0.06%
111 Capital985$517.1K0.09%
Eaton Financial Holdings Company, LLC941$494.2K0.15%
Flagship Harbor Advisors, LLC890$467.0K0.02%
DLK Investment Management, LLC765$401.6K0.15%
Hudson Value Partners, LLC759$398.5K0.14%
Bank of Hawaii747$392.2K0.02%
North Star Asset Management Inc737$386.9K0.02%
Quantitative Investment Management, LLC678$355.0K0.05%
Inceptionr LLC624$327.6K0.08%
Private Capital Advisors, Inc.616$323.4K0.04%
Strait & Sound Wealth Management LLC607$318.7K0.14%
Clear Creek Financial Management, LLC606$318.2K0.03%
Lombard Odier Asset Management (USA) Corp594$311.9K0.08%
Global Retirement Partners, LLC590$309.8K0.01%
Scott Marsh Financial, LLC578$303.4K0.11%
Virtue Capital Management, LLC501$263.0K0.05%
Flower City Capital500$262.5K0.15%
Forefront Analytics, LLC490$257.1K0.29%
Telos Capital Management, Inc.482$253.1K0.03%
Colonial River Wealth Management, LLC448$250.8K0.11%
Claret Asset Management Corp446$234.0K0.03%
DRW Securities, LLC440$231.0K0.02%
Axxcess Wealth Management, LLC439$230.5K0.01%
Centiva Capital, LP431$226.3K0.01%
Bingham Private Wealth, LLC427$224.2K0.21%
Gladstone Institutional Advisory LLC418$219.4K0.01%
Principal Street Partners, LLC410$215.3K0.02%
Oversea-Chinese Banking CORP Ltd400$210.0K0.01%
Patton Fund Management, Inc.400$210.0K0.05%
MidWestOne Financial Group, Inc.389$204.2K0.03%
VisionPoint Advisory Group, LLC383$201.1K0.04%
Klingman & Associates, LLC382$200.6K0.01%
MUFG Securities EMEA plc307$161.2K0.01%
T. Rowe Price Investment Management, Inc.288$152.0K0.00%
Onefund, LLC274$144.0K0.10%
Rexford Capital Inc273$143.3K0.12%
Tower View Investment Management & Research LLC208$109.2K0.06%
FNY Investment Advisers, LLC150$78.0K0.03%
Twin Peaks Wealth Advisors, LLC126$70.1K0.02%
Caitong International Asset Management Co., Ltd131$68.8K0.05%
Mount Yale Investment Advisors, LLC113$59.3K0.00%
Ameritas Advisory Services, LLC85$44.7K0.00%
Traub Capital Management LLC73$38.3K0.04%
Migdal Insurance & Financial Holdings Ltd.59$31.0K0.00%

Sold out (207)

Institutions that held Regeneron Pharmaceuticals, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Showing the largest 100 of 207 by value.

Institutions that sold out of REGN in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Worldquant Millennium Advisors LLC129,801$82.3M
Viking Global Investors LPSuperinvestorViking Global Investors97,739$62.0M
Samlyn Capital, LLC45,914$29.1M
Corebridge Financial, Inc.33,424$21.2M
Ceredex Value Advisors LLC31,025$19.7M
Boston Common Asset Management, LLC27,343$17.3M
Avidity Partners Management LP25,400$16.1M
Braun Stacey Associates Inc20,516$13.0M
Payden & Rygel16,100$10.2M
Catalio Capital Management, LP12,261$7.78M
Cutter & CO Brokerage, Inc.10,838$6.87M
Parallax Volatility Advisers, L.P.9,197$5.83M
Cornerstone Wealth Group, LLC8,270$5.24M
SIH Partners, LLLP7,750$4.92M
Jefferies Financial Group Inc.6,623$4.20M
Alberta Investment Management Corp5,486$3.48M
Smithbridge Asset Management Inc5,368$3.40M
Greenwoods Asset Management Hong Kong Ltd.SuperinvestorGreenwoods Asset Management4,750$3.01M
Alaska Permanent Fund Corp4,624$2.77M
Element Capital Management LLC4,265$2.70M
Asio Capital, LLC3,995$2.53M
Strategic Blueprint, LLC3,788$2.40M
Oxbow Advisors, LLC3,653$2.32M
Steel Peak Wealth Management LLC3,615$2.29M
Allstate Corp3,525$2.24M
Ilex Capital Partners (UK) LLP3,475$2.20M
Greater Midwest Financial Group, LLC3,206$2.03M
Aster Capital Management (DIFC) Ltd2,653$1.85M
Old Second National Bank of Aurora2,853$1.81M
Summit Global Investments2,772$1.76M
Wahed Invest LLC2,712$1.72M
Springhill Fund Asset Management (HK) Co Ltd2,600$1.65M
CHB Investment Group, LLC2,597$1.65M
Machina Capital S.A.S.2,522$1.60M
Abc Arbitrage SA2,511$1.59M
United Services Automobile Association2,477$1.58M
Hussman Strategic Advisors, Inc.2,100$1.33M
Concord Asset Management, LLC2,259$1.33M
1832 Asset Management L.P.2,092$1.33M
Knott David M Jr2,000$1.27M
Qtron Investments LLC1,945$1.23M
Connor, Clark & Lunn Investment Management Ltd.1,917$1.22M
Fox Run Management, L.L.C.1,734$1.10M
Landscape Capital Management, L.L.C.1,628$1.03M
Atria Wealth Solutions, Inc.1,582$1.00M
Karani Asset Management LLC1,512$959.0K
Gluskin Sheff & Assoc Inc1,469$931.7K
Balboa Wealth Partners1,445$916.5K
Novem Group1,361$863.1K
Cravens & Co Advisors, LLC1,286$815.6K
Marshall Financial Group LLC1,249$792.2K
Impax Asset Management Group plc1,228$778.8K
Simon Quick Advisors, LLC1,150$729.5K
Mather Group, LLC.1,090$691.1K
Balentine LLC1,072$679.9K
Burns J W & Co Inc1,040$659.6K
Belpointe Asset Management LLC1,011$641.2K
Fortis Capital Advisors, LLC1,011$641.2K
Blueshift Asset Management, LLC973$617.1K
Arrowpoint Investment Partners (Singapore) Pte. Ltd.950$602.5K
Magnus Financial Group LLC928$588.6K
Meiji Yasuda Life Insurance Co926$587.3K
Advisors Capital Management, LLC921$584.1K
Integrity Alliance, LLC.913$579.1K
DSG Capital Advisors, LLC860$545.4K
Buckingham Strategic Partners849$538.5K
American Trust779$494.1K
Group One Trading, L.P.765$485.2K
Integrated Wealth Concepts LLC752$476.7K
Atomi Financial Group, Inc.725$460.0K
Per Stirling Capital Management, LLC.720$456.7K
MQS Management LLC710$450.3K
Global Assets Advisory, LLC759$442.7K
Financial Advocates Investment Management691$438.4K
Thoroughbred Financial Services, LLC680$431.0K
AustralianSuper Pty Ltd678$430.0K
Pallas Capital Advisors LLC671$425.7K
NewEdge Wealth, LLC669$424.5K
Ramiah Investment Group663$420.5K
Fieldview Capital Management, LLC642$407.2K
Boston Private Wealth LLC625$396.4K
Claro Advisors LLC620$393.5K
Lake Hills Wealth Management, LLC616$390.7K
River Street Advisors LLC615$390.1K
Venturi Wealth Management, LLC612$388.1K
Alpha Family Trust595$377.4K
Great Valley Advisor Group, Inc.575$365.0K
Choate Investment Advisors561$355.8K
Kazazian Asset Management, LLC560$355.2K
Shikiar Asset Management Inc550$349.0K
Oxford Asset Management LLP550$348.8K
VestGen Advisors, LLC534$338.7K
FourThought Financial Partners, LLC529$335.5K
Daymark Wealth Partners, LLC523$331.8K
Everhart Financial Group, Inc.512$324.7K
Strive Asset Management, LLC509$322.8K
Stratos Wealth Partners, LTD.506$320.9K
Sivia Capital Partners, LLC498$315.8K
Patten & Patten Inc480$304.4K
ZWJ Investment Counsel Inc479$303.8K

Not filed for Q2 2025 yet (16)

Institutions that held Regeneron Pharmaceuticals, Inc. at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding REGN in Q1 2025 that haven't filed for Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Glenmede Trust Co NA40,332$25.6M
Taurus Asset Management, LLC16,711$10.6M
Rakuten Investment Management, Inc.13,622$8.68M
Centre Asset Management, LLC12,203$7.74M
Mizuho Securities USA LLC8,424$5.34M
Impact Asset Management GmbH6,760$4.29M
Credit Agricole S A5,898$3.74M
Orion Portfolio Solutions, LLC1,830$1.16M
Montecito Bank & Trust1,274$808.0K
CAPROCK Group, Inc.1,195$757.9K
Lindbrook Capital, LLC1,177$746.5K
Schechter Investment Advisors, LLC719$456.0K
Delta Financial Group, Inc.509$336.0K
Callan Capital, LLC344$218.2K
Sandy Spring Bank50$31.7K
Nova Wealth Management, Inc.4$2.54K