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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.

Q4 2025 vs. Q3 2025

How the institutions holding Regeneron Pharmaceuticals, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of REGN: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders1,243231,387+167
Shares87.1M295.5K91.6M+4.76M (+5.5%)
Value$49.0B$166.2M$70.7B+$21.9B (+44.9%)

23 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (273)

Institutions that held Regeneron Pharmaceuticals, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Showing the largest 100 of 273 by value.

Institutions new to REGN in Q4 2025
InstitutionSharesValue% of portfolio
Norges Bank1,311,485$1.01B0.11%
1832 Asset Management L.P.216,864$167.4M0.21%
PFA Pension, Forsikringsaktieselskab92,850$71.9M0.20%
Nomura Asset Management International Inc.55,522$42.9M0.06%
Davern Capital Partners, LP52,420$40.5M13.08%
Carmignac Gestion49,971$38.6M0.52%
Steadfast Capital Management LP35,200$27.2M0.48%
Nearwater Capital Markets, Ltd30,000$23.2M0.40%
Ceredex Value Advisors LLC28,549$22.0M0.66%
Ofi Invest Asset Management31,265$20.5M0.29%
Brandywine Global Investment Management, LLC23,076$17.8M0.12%
Fideuram - Intesa Sanpaolo Private Banking S.P.A.23,047$17.8M0.64%
Lombard Odier Asset Management (Europe) Ltd20,999$16.2M0.82%
PensionDanmark Pensionsforsikringsaktieselskab20,103$15.5M0.14%
Pavaki Capital Management LLC19,400$15.0M10.46%
CIBC World Markets Corp19,155$14.8M0.07%
Glenmede Trust Co NA18,060$13.9M0.07%
Tredje AP-fonden16,330$12.6M0.09%
Eurizon Capital SGR S.p.A.13,565$10.5M0.03%
PBU - The Pension Fund of Early Childhood & Youth Educators13,213$10.2M0.15%
Vega Investment Solutions12,688$9.79M1.56%
Vestor Capital, LLC2,001$9.01M0.66%
Fideuram Asset Management (Ireland) dac13,111$8.86M0.71%
Pinebridge Investments LLC11,455$8.84M0.07%
Martingale Asset Management L P9,764$7.54M0.19%
Atlas Capital Advisors LLC7,758$5.99M0.67%
Shellback Capital, LP7,384$5.70M0.54%
Sector Gamma AS7,165$5.53M1.26%
Third View Private Wealth, LLC7,149$5.52M0.74%
Freemont Management S.A.6,600$5.09M1.00%
Osmosis Investment Management UK Ltd6,032$4.66M0.12%
Peak Wealth Management LLC5,204$4.02M3.36%
JBF Capital, Inc.5,000$3.86M0.56%
L & S Advisors Inc4,653$3.59M0.33%
Asio Capital, LLC4,434$3.42M0.48%
Journey Retirement Planning & Investment Management LLC4,340$3.35M0.69%
SG Trading Solutions, LLC3,992$3.08M0.72%
North Dakota State Investment Board3,579$2.76M0.10%
Lockheed Martin Investment Management Co3,500$2.70M0.09%
Burney Co3,487$2.69M0.08%
Trexquant Investment LP3,403$2.63M0.02%
Moody Lynn & Lieberson, LLC3,350$2.59M0.14%
Gator Capital Management, LLC3,282$2.53M0.52%
Simmons Bank3,126$2.41M0.16%
Del-Sette Capital Management, LLC2,919$2.25M1.39%
Laird Norton Trust Company, LLC2,738$2.11M0.04%
Bluebird Wealth Management LLC2,562$1.98M1.85%
VARCOV Co.2,500$1.93M0.76%
Militia Capital Partners, LP2,300$1.78M0.67%
Private Wealth Partners, LLC2,270$1.75M0.12%
Belpointe Asset Management LLC2,248$1.74M0.06%
Perpetual Ltd2,145$1.66M0.02%
Monetta Financial Services Inc2,060$1.59M1.14%
TCW Group Inc2,039$1.57M0.01%
Camarda Financial Advisors, LLC2,037$1.57M0.60%
Evolve Private Wealth, LLC2,028$1.57M0.09%
Kornitzer Capital Management Inc1,891$1.46M0.03%
EFG International AG1,885$1.45M0.03%
RMB Capital Management, LLC1,840$1.42M0.02%
NLB Skladi, upravljanje premozenja, d.o.o.1,753$1.35M0.06%
Legacy Capital Group California, Inc.1,716$1.32M0.32%
VestGen Advisors, LLC1,650$1.27M0.05%
EP Wealth Advisors, LLC1,636$1.26M0.01%
Arrowpoint Investment Partners (Singapore) Pte. Ltd.1,538$1.19M0.17%
SBI Okasan Asset Management Co.Ltd.1,500$1.17M0.06%
Copeland Capital Management, LLC1,436$1.11M0.02%
PeakShares LLC1,428$1.10M1.08%
Redwood Investment Management, LLC1,422$1.10M0.12%
Vestmark Advisory Solutions, Inc.1,300$1.00M0.01%
Ritholtz Wealth Management1,236$954.1K0.02%
Abacus Wealth Partners, LLC1,140$879.9K0.09%
Pitcairn Wealth Advisors LLC1,102$850.6K0.08%
Intesa Sanpaolo S.p.A.1,090$847.6K0.05%
PCM Encore, LLC1,010$779.5K0.17%
Entropy Technologies, LP1,006$776.5K0.04%
Odyssean, LLC968$747.2K0.54%
Charter Oak Capital Management, LLC958$739.5K0.06%
Level Four Advisory Services, LLC952$734.8K0.02%
V-Square Quantitative Management LLC947$731.0K0.08%
1248 Management, LLC913$704.7K0.38%
Sagewood Asset Management LP905$698.5K0.25%
Gradient Investments LLC896$691.6K0.01%
Massar Capital Management, LP893$689.3K0.14%
Allianz SE892$688.5K0.01%
Pinnacle Financial Partners, Inc.831$641.6K0.00%
Value Investment Professionals, LLC777$599.5K0.63%
Jackson Creek Investment Advisors LLC755$583.0K0.17%
Northbridge Financial Group, LLC750$578.9K0.26%
Waterloo Capital, L.P.745$575.1K0.04%
Sentinus, LLC717$553.4K0.05%
OpenArc Corporate Advisory, LLC666$514.1K0.01%
AMJ Financial Wealth Management662$511.0K0.12%
Ausdal Financial Partners, Inc.651$502.4K0.02%
Lebenthal Global Advisors, LLC641$494.8K0.08%
Robertson Stephens Wealth Management, LLC636$491.0K0.01%
Chesapeake Capital Corp596$460.0K0.38%
Keudell/Morrison Wealth Management594$458.5K0.10%
Athena Wealth Management, LLC589$455.0K0.44%
DRW Securities, LLC592$450.5K0.03%
GenTrust, LLC569$439.2K0.02%

Sold out (106)

Institutions that held Regeneron Pharmaceuticals, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Showing the largest 100 of 106 by value.

Institutions that sold out of REGN in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Capital International Investors876,564$492.9M
Voloridge Investment Management, LLC172,836$97.2M
HRT Financial LP98,849$55.6M
Capital Fund Management S.A.58,834$33.1M
Vestal Point Capital, LP25,000$14.1M
Ruffer LLP21,540$12.1M
PFM Health Sciences, LP19,890$11.2M
Generate Investment Management Ltd18,778$10.6M
Solas Capital Management, LLC18,218$10.2M
Suvretta Capital Management, LLC17,730$9.97M
M&G Plc14,026$7.88M
Aquatic Capital Management LLC13,831$7.78M
Hamilton Wealth, LLC12,581$7.07M
Artia Global Partners LP10,671$6.00M
Y-Intercept (Hong Kong) Ltd10,318$5.80M
Oddo BHF Asset Management SAS10,265$5.77M
Virtu Financial LLC9,863$5.55M
TB Alternative Assets Ltd.8,652$4.86M
Prevail Innovative Wealth Advisors, LLC7,628$4.29M
Superstring Capital Management LP6,401$3.60M
Dark Forest Capital Management LP6,069$3.41M
Aigen Investment Management, LP5,535$3.11M
Fox Run Management, L.L.C.4,413$2.48M
Boothbay Fund Management, LLC4,240$2.38M
Headlands Technologies LLC4,014$2.26M
Gsa Capital Partners LLP3,440$1.93M
Scientech Research LLC3,200$1.80M
Brighton Jones LLC2,906$1.63M
Schonfeld Strategic Advisors LLC2,634$1.48M
APG Asset Management US Inc.2,240$1.34M
Stoneridge Investment Partners LLC2,360$1.33M
J. Safra Sarasin Holding AG2,303$1.29M
Paragon Capital Management Inc2,159$1.21M
Skylands Capital, LLC2,065$1.16M
Abc Arbitrage SA1,970$1.11M
Brookwood Investment Group LLC1,945$1.09M
NorthRock Partners, LLC1,943$1.09M
Amica Mutual Insurance Co1,830$1.03M
Stevens Capital Management LP1,409$792.0K
TownSquare Capital, LLC1,345$756.0K
Magnetar Financial LLC1,307$734.9K
Humankind Investments LLC1,275$716.9K
Axq Capital, LP1,223$687.7K
Convergence Investment Partners, LLC1,199$674.2K
Farringdon Capital, Ltd.1,061$596.6K
Ground Swell Capital, LLC1,021$574.1K
Semanteon Capital Management, LP983$552.7K
SummitTX Capital, L.P.972$546.5K
Pitcairn Co968$544.3K
Caitong International Asset Management Co., Ltd968$544.3K
J.W. Cole Advisors, Inc.911$512.0K
Meridian Investment Counsel Inc.854$480.2K
Covalent Partners LLC800$449.8K
Asahi Life Asset Management Co., Ltd.782$439.7K
Integrated Investment Consultants, LLC756$425.1K
Lombard Odier Asset Management (USA) Corp746$419.5K
Badgley Phelps Wealth Managers, LLC725$407.6K
Graham Capital Management, L.P.712$400.3K
EntryPoint Capital, LLC683$384.0K
Quarry LP657$369.4K
Net Worth Advisory Group648$364.1K
Forefront Wealth Partners, LLC579$325.7K
FORA Capital, LLC564$317.1K
Kesler, Norman & Wride, LLC443$315.6K
CTC Alternative Strategies, Ltd.546$307.0K
Davy Global Fund Management Ltd515$289.6K
Alphadyne Asset Management LP508$285.6K
Virtue Capital Management, LLC501$281.7K
NJ State Employees Deferred Compensation Plan500$281.1K
Two Sigma Securities, LLC445$250.2K
Diametric Capital, LP437$245.7K
T. Rowe Price Investment Management, Inc.435$245.0K
Quantbot Technologies LP405$227.7K
Patton Fund Management, Inc.400$224.9K
Fiducient Advisors LLC390$219.4K
Inceptionr LLC390$219.3K
Robinson Smith Wealth Advisors LLC390$219.3K
Weaver Capital Management LLC387$217.6K
Fieldview Capital Management, LLC365$205.2K
State of Wyoming243$136.6K
Heartwood Wealth Advisors LLC236$132.7K
Capula Management Ltd181$101.8K
Grey Fox Wealth Advisors, LLC165$92.8K
Arlington Trust Co LLC140$78.7K
Virtus ETF Advisers LLC100$56.2K
Rise Advisors, LLC99$55.9K
Ameritas Advisory Services, LLC54$30.4K
Crowley Wealth Management, Inc.50$28.1K
New Age Alpha Advisors, LLC32$18.0K
Tortoise Investment Management, LLC29$16.3K
Hazlett, Burt & Watson, Inc.18$10.0K
TruNorth Capital Management, LLC13$7.31K
JPL Wealth Management, LLC12$6.75K
Prudent Man Investment Management, Inc.5$3.56K
Halbert Hargrove Global Advisors, LLC4$2.25K
Atlantic Trust, LLC4$2.25K
Core Alternative Capital4$2.25K
Cloud Capital Management, LLC5$2.00K
Longfellow Investment Management Co LLC3$1.69K
MRP Capital Investments, LLC3$1.57K

Not filed for Q4 2025 yet (23)

Institutions that held Regeneron Pharmaceuticals, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding REGN in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Cubist Systematic Strategies, LLC79,264$44.6M
AXA Investment Managers S.A.62,291$35.0M
Point72 Europe (London) LLP47,908$26.9M
Wolverine Trading, LLC30,161$16.9M
CIBC Bancorp USA Inc.18,022$10.1M
Glenmede Investment Management, LP15,031$8.45M
Point72 Hong Kong Ltd11,958$6.72M
Pinebridge Investments, L.P.10,890$6.12M
Point72 (DIFC) Ltd5,840$3.28M
Eisler Capital Management Ltd.3,838$2.20M
Point72 Asia (Singapore) Pte. Ltd.3,901$2.19M
Wetherby Asset Management Inc2,518$1.42M
Aware Super Pty Ltd as trustee of Aware Super1,128$634.2K
Synovus Financial Corp807$453.8K
Full Sail Capital, LLC510$286.8K
Sonora Investment Management Group, LLC500$281.1K
Shell Asset Management Co490$276.0K
Amica Retiree Medical Trust264$148.0K
Hemington Wealth Management94$52.0K
Kathleen S. Wright Associates Inc.90$50.6K
Guerra Advisors Inc9$5.06K
FSA Wealth Management LLC5$2.81K
Abich Financial Wealth Management LLC4$2.25K