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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, Q4 2024

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Dec 31, 2024. 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
1,320
−45 vs. Q3 2024
Shares held
93.5M
−219.6K (−0.2%) vs. Q3 2024
Total value
$66.6B
−$30.7B (−31.6%) vs. Q3 2024
New holders
170
478 more added
Sold out
215
493 more reduced

28 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 holdersQ4 2024: 1,320 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 heldQ4 2024: $66.6B
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 20261,341$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, Q4 2024

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q3 2024.

Institutions holding REGN in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc9,286,346$6.61B0.12%−33,944−0.4%Reduced
BlackRock, Inc.8,731,622$6.22B0.13%+251,360+3.0%Added
FMR LLC8,199,579$5.84B0.35%−2,163,122−20.9%Reduced
JPMorgan Chase & Co7,059,371$5.03B0.40%−430,129−5.7%Reduced
State Street Corp4,832,239$3.44B0.14%−70,165−1.4%Reduced
Capital International Investors4,736,929$3.37B0.63%+1,390,534+41.6%Added
Capital World Investors2,778,980$1.98B0.30%−1,519,407−35.3%Reduced
Geode Capital Management, LLC2,427,630$1.73B0.13%+155,369+6.8%Added
Dodge & Cox2,321,316$1.65B0.96%+9,381+0.4%Added
Price T Rowe Associates Inc2,085,447$1.49B0.17%+810,144+63.5%Added
Franklin Resources Inc2,045,210$1.46B0.41%+149,124+7.9%Added
Amundi1,551,735$1.14B0.40%+487,489+45.8%Added
Loomis Sayles & Co L P1,575,349$1.12B1.42%+393,997+33.4%Added
Morgan Stanley1,430,370$1.02B0.07%+244,882+20.7%Added
Norges Bank1,125,933$802.0M0.11%+3,827+0.3%Added
Northern Trust Corp1,054,829$751.4M0.11%+136,184+14.8%Added
UBS Asset Management Americas Inc982,064$699.6M0.16%+226,952+30.1%Added
Bank of America Corp940,198$669.7M0.06%−53,039−5.3%Reduced
Invesco Ltd.864,249$615.6M0.11%−296,924−25.6%Reduced
Legal & General Group Plc777,477$553.8M0.15%−7,617−1.0%Reduced
American Century Companies Inc707,546$504.0M0.29%−30,949−4.2%Reduced
Charles Schwab Investment Management Inc695,799$495.6M0.09%+22,538+3.3%Added
Bank of New York Mellon Corp689,263$491.0M0.09%−25,813−3.6%Reduced
Goldman Sachs Group Inc644,637$459.2M0.09%+35,594+5.8%Added
Alliancebernstein L.P.623,156$443.9M0.15%+43,638+7.5%Added
Dimensional Fund Advisors LP587,025$418.1M0.10%+16,961+3.0%Added
BNP Paribas Arbitrage, SA539,596$384.4M0.30%+244,184+82.7%Added
Deutsche Bank AG539,269$384.1M0.15%+96,329+21.7%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.511,556$364.4M0.90%+25,709+5.3%Added
D. E. Shaw & Co., Inc.500,230$356.3M0.39%+233,994+87.9%Added
Nuveen Asset Management, LLC475,630$338.8M0.10%−211,009−30.7%Reduced
Neuberger Berman Group LLC462,529$329.5M0.26%+12,939+2.9%Added
Qube Research & Technologies Ltd441,654$314.6M0.51%+289,685+190.6%Added
HSBC Holdings PLC433,804$308.6M0.19%+76,720+21.5%Added
Barclays PLC385,178$274.4M0.14%−27,569−6.7%Reduced
UBS Group AG382,835$272.7M0.06%+110,985+40.8%Added
California Public Employees Retirement System363,496$258.9M0.17%−8,142−2.2%Reduced
TD Asset Management Inc359,389$256.0M0.23%+29,322+8.9%Added
Manufacturers Life Insurance Company, The356,410$253.9M0.22%+18,366+5.4%Added
Ameriprise Financial Inc326,551$232.4M0.06%−40,208−11.0%Reduced
Caisse de Depot Et Placement du Quebec310,153$220.9M0.46%+115,528+59.4%Added
Swiss National Bank306,300$218.2M0.15%−15,300−4.8%Reduced
Sumitomo Mitsui Trust Holdings, Inc.302,616$215.6M0.15%+1,108+0.4%Added
Royal Bank of Canada288,937$205.8M0.04%+27,497+10.5%Added
First Trust Advisors LP272,592$194.2M0.17%−19,349−6.6%Reduced
Candriam Luxembourg S.C.A.261,498$186.3M1.07%+8,973+3.6%Added
Squarepoint Ops LLC254,579$181.3M0.47%+213,479+519.4%Added
Renaissance Technologies LLC247,743$176.5M0.26%+36,320+17.2%Added
Canada Pension Plan Investment Board243,473$173.4M0.17%+96,618+65.8%Added
National Pension Service232,450$165.6M0.16%+8,833+4.0%Added
Chevy Chase Trust Holdings, Inc.229,767$163.7M0.50%−8,612−3.6%Reduced
ABN AMRO Bank N.V.219,869$155.0M2.09%+6,247+2.9%Added
Pictet Asset Management Holding SA214,097$152.5M0.16%−72,448−25.3%Reduced
Voloridge Investment Management, LLC212,128$151.1M0.53%+212,128New
DekaBank Deutsche Girozentrale211,207$148.4M0.27%00.0%Unchanged
AQR Capital Management LLC207,085$147.1M0.19%−18,449−8.2%Reduced
Epoch Investment Partners, Inc.197,266$140.5M0.68%+39,526+25.1%Added
Citadel Advisors LLC192,346$137.0M0.13%+122,086+173.8%Added
Standard Life Aberdeen plc188,451$133.3M0.25%+1,740+0.9%Added
Bronte Capital Management Pty Ltd.152,783$127.8M10.09%+15,741+11.5%Added
Universal- Beteiligungs- und Servicegesellschaft mbH178,590$127.2M0.25%+178,590New
Swedbank AB178,491$127.1M0.16%+29,128+19.5%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.177,008$127.1M0.12%+12,757+7.8%Added
Assenagon Asset Management S.A.177,604$126.5M0.23%+4,745+2.7%Added
Rhumbline Advisers170,620$121.5M0.11%−4,126−2.4%Reduced
McDonald Capital Investors Inc170,180$121.2M7.61%+33,727+24.7%Added
California State Teachers Retirement System167,889$119.6M0.14%−5,256−3.0%Reduced
Voya Investment Management LLC153,834$109.6M0.11%−33,446−17.9%Reduced
Bank of Montreal153,267$109.2M0.05%−34,890−18.5%Reduced
Wells Fargo & Company152,508$108.6M0.03%−21,533−12.4%Reduced
Wellington Management Group LLP148,829$106.0M0.02%−291,780−66.2%Reduced
ProShare Advisors LLC146,135$104.1M0.24%+26,018+21.7%Added
Zurcher Kantonalbank (Zurich Cantonalbank)139,958$99.7M0.28%+209+0.1%Added
Victory Capital Management Inc139,891$99.6M0.10%+43,282+44.8%Added
New York State Common Retirement Fund137,386$97.9M0.13%00.0%Unchanged
Russell Investments Group, Ltd.137,208$97.7M0.13%+7,944+6.1%Added
KBC Group NV136,647$97.3M0.27%+102,198+296.7%Added
Citigroup Inc136,444$97.2M0.09%−18,514−11.9%Reduced
Millennium Management LLC133,507$95.1M0.08%−67,667−33.6%Reduced
Principal Financial Group Inc130,490$93.0M0.05%−42,602−24.6%Reduced
Robeco Institutional Asset Management B.V.129,308$92.1M0.17%+1,130+0.9%Added
Marshall Wace, LLP127,400$90.8M0.11%−6,604−4.9%Reduced
Bank Julius Baer & Co. Ltd, Zurich118,280$90.5M0.28%+10,291+9.5%Added
Thrivent Financial for Lutherans125,194$89.2M0.17%+116,074+1,272.7%Added
Great West Life Assurance Co120,865$86.0M0.15%−5,331−4.2%Reduced
Natixis Advisors, L.P.109,938$78.3M0.15%−7,064−6.0%Reduced
Magnetar Financial LLC108,150$77.0M1.77%+101,150+1,445.0%Added
FIL Ltd106,041$75.5M0.07%+5,232+5.2%Added
Worldquant Millennium Advisors LLC105,309$75.0M0.49%−15,966−13.2%Reduced
National Bank of Canada103,651$73.8M0.10%+32,492+45.7%Added
Panagora Asset Management Inc103,282$73.6M0.34%−48,880−32.1%Reduced
Woodline Partners LP103,279$73.6M0.50%+3,862+3.9%Added
State Board of Administration of Florida Retirement System102,876$73.3M0.14%−3,884−3.6%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP106,091$72.6M0.62%−3,390−3.1%Reduced
Assetmark, Inc100,975$71.9M0.20%−3,005−2.9%Reduced
New York State Teachers Retirement System97,811$69.7M0.15%−2,616−2.6%Reduced
Rockefeller Capital Management L.P.94,744$67.5M0.17%−3,260−3.3%Reduced
Nomura Asset Management Co Ltd92,514$65.9M0.20%+6,510+7.6%Added
Jane Street Group, LLC91,656$65.3M0.10%−35,332−27.8%Reduced
Raymond James Financial Inc91,503$65.2M0.02%+91,503New