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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; 1,341 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 2023

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 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
1,168
−20 vs. Q1 2023
Shares held
92.6M
−6.46M (−6.5%) vs. Q1 2023
Total value
$66.2B
−$9.92B (−13.0%) vs. Q1 2023
New holders
88
400 more added
Sold out
108
467 more reduced

8 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 1,168 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: 1,341 institutions
Value heldQ2 2023: $66.2B
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 20261,341$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 2023

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2023.

Institutions holding REGN in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC9,171,375$6.59B0.55%−268,721−2.8%Reduced
BlackRock Inc.9,085,982$6.53B0.18%−332,318−3.5%Reduced
Vanguard Group Inc8,857,038$6.36B0.15%+4,917+0.1%Added
JPMorgan Chase & Co6,543,987$4.70B0.54%+199,836+3.1%Added
Capital World Investors5,550,382$3.99B0.77%−280,204−4.8%Reduced
State Street Corp4,990,870$3.59B0.19%+97,254+2.0%Added
Capital International Investors2,956,615$2.12B0.51%+803,143+37.3%Added
Dodge & Cox2,394,355$1.72B1.15%+9,654+0.4%Added
Geode Capital Management, LLC2,281,129$1.64B0.19%+63,136+2.8%Added
Price T Rowe Associates Inc2,252,263$1.62B0.23%+74,031+3.4%Added
Wellington Management Group LLP1,668,932$1.20B0.23%−98,987−5.6%Reduced
Loomis Sayles & Co L P1,277,484$917.9M1.48%−34,923−2.7%Reduced
Putnam Investments LLC1,169,321$840.2M1.24%+4,004+0.3%Added
Norges Bank1,046,355$751.8M0.15%+45,242+4.5%Added
Northern Trust Corp1,032,884$742.2M0.14%−121,689−10.5%Reduced
Bank of New York Mellon Corp964,748$693.2M0.15%−29,220−2.9%Reduced
Morgan Stanley945,165$679.1M0.07%+32,889+3.6%Added
Invesco Ltd.909,062$653.2M0.17%+24,307+2.7%Added
American Century Companies Inc886,668$637.1M0.48%−75,042−7.8%Reduced
Legal & General Group Plc847,129$608.7M0.20%−1,998−0.2%Reduced
Bank of America Corp838,545$602.5M0.07%−108,865−11.5%Reduced
UBS Asset Management Americas Inc666,184$547.4M0.27%00.0%Unchanged
Neuberger Berman Group LLC708,663$509.1M0.46%+19,784+2.9%Added
Alliancebernstein L.P.687,859$494.3M0.20%+74,973+12.2%Added
Amundi684,712$491.7M0.25%−87,503−11.3%Reduced
Dimensional Fund Advisors LP612,824$440.3M0.14%−20,684−3.3%Reduced
Charles Schwab Investment Management Inc600,036$431.2M0.12%+4,432+0.7%Added
California Public Employees Retirement System558,764$401.5M0.34%−15,048−2.6%Reduced
Massachusetts Financial Services Co550,723$395.7M0.13%−803−0.1%Reduced
Goldman Sachs Group Inc502,030$360.7M0.09%+66,252+15.2%Added
Franklin Resources Inc488,664$351.1M0.17%−1,120−0.2%Reduced
Nuveen Asset Management, LLC452,477$325.1M0.11%+24,581+5.7%Added
Pictet Asset Management SA421,772$303.1M0.36%−7,131−1.7%Reduced
Capital Research Global Investors421,044$302.5M0.08%+40.0%Added
Sustainable Growth Advisers, LP420,481$302.1M1.43%−12,516−2.9%Reduced
Swiss National Bank388,300$279.0M0.19%−36,700−8.6%Reduced
Ameriprise Financial Inc376,528$270.5M0.08%+18,580+5.2%Added
Manufacturers Life Insurance Company, The364,500$261.9M0.15%+13,635+3.9%Added
Sumitomo Mitsui Trust Holdings, Inc.333,401$239.6M0.19%−39,737−10.6%Reduced
Candriam Luxembourg S.C.A.305,618$219.6M1.59%−43,370−12.4%Reduced
HSBC Holdings PLC302,663$217.0M0.23%+46,863+18.3%Added
Deutsche Bank AG299,781$215.4M0.11%−2,971−1.0%Reduced
Two Sigma Advisers, LP299,300$215.1M0.55%+89,500+42.7%Added
D. E. Shaw & Co., Inc.287,779$206.8M0.32%+136,446+90.2%Added
Barclays PLC278,984$200.5M0.13%+102,689+58.2%Added
Chevy Chase Trust Holdings, Inc.252,732$181.6M0.68%−1,736−0.7%Reduced
AQR Capital Management LLC219,650$155.1M0.33%−21,124−8.8%Reduced
Rhumbline Advisers186,073$133.7M0.15%+2,369+1.3%Added
Caisse de Depot Et Placement du Quebec180,258$129.5M0.34%+15,106+9.1%Added
National Pension Service179,211$127.0M0.20%−5,963−3.2%Reduced
California State Teachers Retirement System176,560$126.9M0.18%−3,159−1.8%Reduced
New York State Common Retirement Fund170,177$122.3M0.16%−6,396−3.6%Reduced
Credit Suisse AG168,760$121.3M0.12%−1,006−0.6%Reduced
DekaBank Deutsche Girozentrale167,852$119.4M0.27%−5,839−3.4%Reduced
Bank of Montreal147,798$116.5M0.07%+61,509+71.3%Added
First Trust Advisors LP161,618$116.1M0.13%−62,057−27.7%Reduced
Tekla Capital Management LLC161,418$116.0M4.54%+18,365+12.8%Added
Holocene Advisors, LP160,862$115.6M0.51%+32,613+25.4%Added
UBS Group AG160,442$115.3M0.05%+58,598+57.5%Added
Allianz Asset Management GmbH156,193$112.2M0.24%−78,242−33.4%Reduced
Panagora Asset Management Inc156,080$112.1M0.66%+8,677+5.9%Added
Royal Bank of Canada152,942$109.9M0.03%−27,883−15.4%Reduced
BNP Paribas Arbitrage, SA151,203$108.6M0.21%+41,165+37.4%Added
McDonald Capital Investors Inc149,199$107.2M8.00%−3,265−2.1%Reduced
Citigroup Inc145,296$104.4M0.13%+49,973+52.4%Added
Marshall Wace, LLP143,508$103.1M0.22%+52,710+58.1%Added
Wells Fargo & Company140,735$101.1M0.03%−5,872−4.0%Reduced
Bronte Capital Management Pty Ltd.138,316$99.4M9.59%+1,943+1.4%Added
Adage Capital Partners GP, L.L.C.138,049$99.2M0.22%−35,200−20.3%Reduced
Mitsubishi UFJ Trust & Banking Corp136,582$98.1M0.23%−241−0.2%Reduced
APG Asset Management N.V.146,704$96.6M0.19%−6,205−4.1%Reduced
Handelsbanken Fonder AB133,558$96.0M0.51%−18,731−12.3%Reduced
Principal Financial Group Inc133,027$95.6M0.07%−3,241−2.4%Reduced
Polar Capital Holdings Plc132,500$95.2M0.65%00.0%Unchanged
Russell Investments Group, Ltd.125,849$90.4M0.17%−2,653−2.1%Reduced
Ensign Peak Advisors, Inc124,653$89.6M0.18%+76,094+156.7%Added
Great West Life Assurance Co123,599$89.3M0.21%−8,241−6.3%Reduced
Armistice Capital, LLC124,000$89.1M2.24%+72,000+138.5%Added
Two Sigma Investments, LP123,626$88.8M0.24%−65,669−34.7%Reduced
Robeco Institutional Asset Management B.V.122,845$88.3M0.23%−578−0.5%Reduced
Assenagon Asset Management S.A.118,285$85.0M0.33%−84,982−41.8%Reduced
Man Group plc116,636$83.8M0.26%––
Virginia Retirement Systems Et Al115,954$83.3M0.80%+11,300+10.8%Added
State Board of Administration of Florida Retirement System115,840$83.2M0.18%−8,284−6.7%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.115,821$83.2M0.26%+43,259+59.6%Added
New York State Teachers Retirement System115,568$83.0M0.19%−4,919−4.1%Reduced
Perpetual Ltd114,437$82.2M0.71%−7,226−5.9%Reduced
AXA S.A.113,356$81.5M0.27%−28,381−20.0%Reduced
Alyeska Investment Group, L.P.112,238$80.6M0.61%+112,238New
Natixis Advisors, L.P.111,144$79.9M0.25%−859−0.8%Reduced
Korea Investment CORP110,346$79.3M0.22%+2,687+2.5%Added
TD Asset Management Inc109,639$78.8M0.09%−2,495−2.2%Reduced
Mirae Asset Global Investments Co., Ltd.109,502$78.7M0.17%−98−0.1%Reduced
Railway Pension Investments Ltd109,000$78.3M0.78%−28,700−20.8%Reduced
ProShare Advisors LLC108,637$78.1M0.23%−5,831−5.1%Reduced
Canada Pension Plan Investment Board103,506$74.4M0.11%+5,000+5.1%Added
Macquarie Group Ltd101,253$72.8M0.08%−69,846−40.8%Reduced
Bridgewater Associates, LP100,933$72.5M0.45%+36,035+55.5%Added
Skandinaviska Enskilda Banken AB (publ)99,935$71.8M0.47%+10,522+11.8%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.97,413$70.0M0.15%+6,385+7.0%Added