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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, Q3 2023

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Sep 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
1,180
+24 vs. Q2 2023
Shares held
91.2M
−829.1K (−0.9%) vs. Q2 2023
Total value
$75.1B
+$9.34B (+14.2%) vs. Q2 2023
New holders
111
400 more added
Sold out
87
447 more reduced

12 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 1,180 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 heldQ3 2023: $75.1B
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, Q3 2023

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q2 2023.

Institutions holding REGN in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Two Sigma Investments, LP88,715$73.0M0.20%−34,911−28.2%Reduced
Glenmede Trust Co NA84,758$69.8M0.40%+1,257+1.5%Added
Bank Julius Baer & Co. Ltd, Zurich84,101$69.2M0.40%+8,947+11.9%Added
Railway Pension Investments Ltd81,700$67.2M0.73%−27,300−25.0%Reduced
Zurich Insurance Group Ltd79,324$65.3M0.69%+79,324New
Voya Investment Management LLC77,307$63.6M0.07%−2,793−3.5%Reduced
Skandinaviska Enskilda Banken AB (publ)76,414$62.9M0.41%−23,521−23.5%Reduced
Armistice Capital, LLC74,998$61.7M1.83%−49,002−39.5%Reduced
Acadian Asset Management LLC71,292$58.6M0.25%−10,784−13.1%Reduced
Pinnacle Associates Ltd67,483$55.5M1.03%−2,712−3.9%Reduced
KBC Group NV66,585$54.8M0.22%−4,730−6.6%Reduced
Public Employees Retirement System of Ohio66,268$54.5M0.24%−3,970−5.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)65,408$53.8M0.24%+2,427+3.9%Added
Harvest Portfolios Group Inc.64,602$53.2M2.51%−4,659−6.7%Reduced
Citadel Advisors LLC64,456$53.0M0.06%+24,730+62.3%Added
Fred Alger Management, LLC62,920$51.8M0.30%+62,836+74,804.8%Added
Raymond James & Associates61,500$50.6M0.04%−120.0%Reduced
State of New Jersey Common Pension Fund D61,426$50.6M0.18%−1,774−2.8%Reduced
FIL Ltd60,992$50.2M0.06%+22,157+57.1%Added
Bridgewater Associates, LP60,749$50.0M0.30%−40,184−39.8%Reduced
Toronto Dominion Bank59,716$49.1M0.08%−2,081−3.4%Reduced
Seizert Capital Partners, LLC58,795$48.4M2.56%+1,323+2.3%Added
Treasurer of the State of North Carolina58,378$48.0M0.26%−590−1.0%Reduced
Storebrand Asset Management AS58,176$47.9M0.23%+2,503+4.5%Added
Avidity Partners Management LP58,000$47.7M1.92%+33,200+133.9%Added
Grantham, Mayo, Van Otterloo & Co. LLC57,940$47.7M0.23%+5,036+9.5%Added
Envestnet Asset Management Inc57,689$47.5M0.02%−5,133−8.2%Reduced
Nomura Asset Management Co Ltd57,484$47.3M0.22%+1,671+3.0%Added
State of Wisconsin Investment Board57,407$47.2M0.15%−8,939−13.5%Reduced
Van Eck Associates Corp56,828$46.8M0.10%−3,387−5.6%Reduced
PGGM Investments56,642$46.6M0.80%+2,004+3.7%Added
Mackenzie Financial Corp56,346$45.5M0.08%−3,298−5.5%Reduced
Healthcare of Ontario Pension Plan Trust Fund55,000$45.3M0.21%+6,000+12.2%Added
Susquehanna International Group, LLP54,860$45.1M0.07%−19,157−25.9%Reduced
Mn Services Vermogensbeheer B.V.52,500$43.2M0.42%+1,300+2.5%Added
Truist Financial Corp52,443$43.2M0.07%−28,515−35.2%Reduced
Asset Management One Co.,Ltd.52,400$43.1M0.19%+272+0.5%Added
Capital International Inc51,913$42.7M0.82%+8,484+19.5%Added
Bank of Nova Scotia51,468$42.4M0.11%+25,722+99.9%Added
State of Tennessee, Treasury Department50,418$41.5M0.17%+21,990+77.4%Added
Tredje AP-fonden48,107$39.6M0.58%−722−1.5%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main47,719$39.3M0.06%−4,983−9.5%Reduced
Krensavage Asset Management, LLC47,256$38.9M14.32%−11,932−20.2%Reduced
Swedbank AB46,705$38.4M0.07%+2,715+6.2%Added
J. Goldman & Co LP45,620$37.5M1.88%+25,814+130.3%Added
Atwood & Palmer Inc45,325$37.3M3.27%−150−0.3%Reduced
Aviva PLC44,892$36.9M0.16%+15,207+51.2%Added
Boston Common Asset Management, LLC44,442$36.6M0.87%−4,096−8.4%Reduced
National Bank of Canada44,389$36.3M0.07%+6,315+16.6%Added
Loring Wolcott & Coolidge Fiduciary Advisors LLP43,917$36.0M0.40%+27,181+162.4%Added
LPL Financial LLC40,733$33.5M0.02%+3,479+9.3%Added
Royal London Asset Management Ltd40,581$33.4M0.11%+1,652+4.2%Added
Banco Bilbao Vizcaya Argentaria, S.A.40,679$33.4M0.45%−806−1.9%Reduced
Man Group plc–$33.2M0.10%––
Rhenman & Partners Asset Management AB40,000$32.9M3.55%+5,000+14.3%Added
Guggenheim Capital LLC39,541$32.5M0.28%+913+2.4%Added
Jane Street Group, LLC39,410$32.4M0.05%−30,337−43.5%Reduced
American International Group, Inc.39,403$32.4M0.21%+679+1.8%Added
Erste Asset Management GmbH38,470$32.1M0.55%−1,383−3.5%Reduced
Millennium Management LLC37,009$30.5M0.03%−12,650−25.5%Reduced
Nikko Asset Management Americas, Inc.36,752$30.2M0.36%−1,552−4.1%Reduced
Pinebridge Investments, L.P.36,256$29.8M0.33%+5,640+18.4%Added
ING Groep NV35,795$29.5M0.26%+3,052+9.3%Added
HighTower Advisors, LLC35,187$28.9M0.05%+818+2.4%Added
Martingale Asset Management L P34,255$28.2M0.59%−2,097−5.8%Reduced
Allspring Global Investments Holdings, LLC33,938$27.9M0.05%−16,700−33.0%Reduced
Standard Life Aberdeen plc33,685$27.7M0.07%−451−1.3%Reduced
Baird Financial Group, Inc.33,606$27.7M0.08%+295+0.9%Added
Schroder Investment Management Group33,443$27.5M0.04%−14,119−29.7%Reduced
Voloridge Investment Management, LLC32,609$26.8M0.13%+14,301+78.1%Added
Washington Trust Advisors, Inc.32,596$26.8M2.75%−295−0.9%Reduced
Adams Diversified Equity Fund, Inc.32,300$26.6M1.14%+12,300+61.5%Added
Grandfield & Dodd, LLC32,242$26.5M1.95%+763+2.4%Added
Rafferty Asset Management, LLC32,055$26.4M0.16%+1,411+4.6%Added
STRS Ohio31,255$25.7M0.11%−977−3.0%Reduced
Stifel Financial Corp31,030$25.5M0.04%+3,385+12.2%Added
CI Private Wealth, LLC31,024$25.5M0.06%+823+2.7%Added
DnB Asset Management AS30,761$25.3M0.15%+1,482+5.1%Added
Arizona State Retirement System30,539$25.1M0.21%−192−0.6%Reduced
State of Michigan Retirement System29,997$24.7M0.16%−600−2.0%Reduced
CIBC Asset Management Inc29,671$24.4M0.10%+2,809+10.5%Added
Teacher Retirement System of Texas28,558$23.5M0.16%+567+2.0%Added
NewEdge Wealth, LLC28,432$23.4M0.74%+7,099+33.3%Added
Capital International Sarl28,068$23.1M1.06%−2,716−8.8%Reduced
ARK Investment Management LLCSuperinvestorARK Invest27,740$22.8M0.17%−4,513−14.0%Reduced
Swiss Life Asset Management Ltd27,651$22.8M0.35%+9,247+50.2%Added
Illinois Municipal Retirement Fund27,478$22.6M0.42%+1,678+6.5%Added
Amalgamated Bank27,047$22.3M0.19%−639−2.3%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund26,852$22.1M0.29%−700−2.5%Reduced
MetLife Investment Management26,635$21.9M0.17%−961−3.5%Reduced
Polar Asset Management Partners Inc.25,900$21.3M0.51%+12,500+93.3%Added
Capital Group Investment Management Pte. Ltd.25,719$21.2M1.38%−3,630−12.4%Reduced
Apriem Advisors24,917$20.5M3.00%−685−2.7%Reduced
SG Americas Securities, LLC24,141$19.9M0.27%−20,021−45.3%Reduced
Retirement Systems of Alabama24,136$19.9M0.09%−385−1.6%Reduced
Nordea Investment Management AB23,787$19.7M0.03%−1,364−5.4%Reduced
Beacon Pointe Advisors, LLC23,831$19.6M0.24%+1,259+5.6%Added
Capital International Ltd23,562$19.4M1.12%−4,806−16.9%Reduced
State of Alaska, Department of Revenue23,344$19.2M0.24%−690−2.9%Reduced
Vestcor Inc23,323$19.2M0.70%−3,408−12.7%Reduced