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, Q1 2026
Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 2026. 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
- 1,401
- +38 vs. Q4 2025
- Shares held
- 90.5M
- +9.56M (+11.8%) vs. Q4 2025
- Total value
- $69.8B
- +$7.27B (+11.6%) vs. Q4 2025
- New holders
- 138
- 578 more added
- Sold out
- 100
- 461 more reduced
24 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,342 | $57.1B |
| Q1 2026 | 1,401 | $69.8B |
| Q4 2025 | 1,387 | $70.7B |
| Q3 2025 | 1,243 | $49.0B |
| Q2 2025 | 1,201 | $46.9B |
| Q1 2025 | 1,290 | $59.0B |
| Q4 2024 | 1,320 | $66.6B |
| Q3 2024 | 1,393 | $97.5B |
| Q2 2024 | 1,335 | $98.9B |
| Q1 2024 | 1,313 | $89.3B |
| Q4 2023 | 1,274 | $80.3B |
| Q3 2023 | 1,180 | $75.1B |
| Q2 2023 | 1,168 | $66.2B |
| Q1 2023 | 1,196 | $76.1B |
| Q4 2022 | 1,161 | $66.9B |
| Q3 2022 | 1,081 | $64.0B |
| Q2 2022 | 1,066 | $55.0B |
| Q1 2022 | 1,097 | $64.5B |
| Q4 2021 | 1,081 | $56.9B |
| Q3 2021 | 1,022 | $54.5B |
| Q2 2021 | 975 | $49.6B |
| Q1 2021 | 926 | $42.3B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Family Management Corp | 3,794 | $2.93M | 0.35% | +2,859+305.8% | Added |
| CIBC World Markets Inc. | 3,766 | $2.91M | 0.01% | −6,096−61.8% | Reduced |
| ExodusPoint Capital Management, LP | 3,756 | $2.90M | 0.03% | −66,024−94.6% | Reduced |
| Sepio Capital, LP | 3,752 | $2.90M | 0.16% | −149−3.8% | Reduced |
| Quadrant Capital Group LLC | 3,677 | $2.84M | 0.08% | +60+1.7% | Added |
| Stiles Financial Services Inc | 3,650 | $2.82M | 0.86% | −361−9.0% | Reduced |
| Virtus Investment Advisers, Inc. | 3,598 | $2.78M | 0.77% | +2,677+290.7% | Added |
| Cache Advisors, LLC | 3,548 | $2.74M | 0.32% | 00.0% | Unchanged |
| Lockheed Martin Investment Management Co | 3,540 | $2.74M | 0.10% | +40+1.1% | Added |
| Plato Investment Management Ltd | 3,519 | $2.72M | 0.18% | 00.0% | Unchanged |
| Murphy Pohlad Asset Management LLC | 3,508 | $2.71M | 0.97% | 00.0% | Unchanged |
| Vident Advisory, LLC | 3,449 | $2.66M | 0.02% | +781+29.3% | Added |
| HB Wealth Management, LLC | 3,436 | $2.66M | 0.02% | +1,009+41.6% | Added |
| Johnson Financial Group, Inc. | 3,418 | $2.64M | 0.10% | +201+6.2% | Added |
| Bailard, Inc. | 3,378 | $2.61M | 0.06% | +4+0.1% | Added |
| Brown Advisory Inc | 3,264 | $2.52M | 0.00% | −186−5.4% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 3,252 | $2.51M | 0.02% | −37−1.1% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 3,239 | $2.50M | 0.03% | −2,968−47.8% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 3,226 | $2.49M | 0.04% | +6+0.2% | Added |
| Sectoral Asset Management Inc | 2,919 | $2.48M | 2.06% | −796−21.4% | Reduced |
| Monarch Capital Management Inc | 3,205 | $2.48M | 0.61% | +86+2.8% | Added |
| Sequoia Financial Advisors, LLC | 3,189 | $2.46M | 0.01% | +240+8.1% | Added |
| Financiere des Professionnels - Fonds d,investissement inc. | 3,171 | $2.45M | 0.14% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 3,133 | $2.44M | 0.01% | −3,723−54.3% | Reduced |
| NLB Skladi, upravljanje premozenja, d.o.o. | 3,143 | $2.43M | 0.12% | +1,390+79.3% | Added |
| Sterling Investment Advisors, Ltd. | 3,122 | $2.41M | 0.44% | −230−6.9% | Reduced |
| Moody Lynn & Lieberson, LLC | 3,109 | $2.40M | 0.13% | −241−7.2% | Reduced |
| Advisors Asset Management, Inc. | 3,085 | $2.38M | 0.04% | −185−5.7% | Reduced |
| Joel Isaacson & Co., LLC | 3,067 | $2.37M | 0.08% | −6−0.2% | Reduced |
| First Foundation Advisors | 3,051 | $2.36M | 0.09% | +2+0.1% | Added |
| BKD Wealth Advisors, LLC | 3,042 | $2.35M | 0.04% | −138−4.3% | Reduced |
| Summit Trail Advisors, LLC | 3,017 | $2.33M | 0.03% | +483+19.1% | Added |
| Greenfield Seitz Capital Management, LLC | 3,014 | $2.33M | 0.70% | +51+1.7% | Added |
| Quantitative Investment Management, LLC | 3,014 | $2.33M | 0.24% | +3,014 | New |
| Intact Investment Management Inc. | 3,010 | $2.33M | 0.07% | −30−1.0% | Reduced |
| Gator Capital Management, LLC | 3,000 | $2.32M | 0.49% | −282−8.6% | Reduced |
| American Assets Investment Management, LLC | 3,000 | $2.32M | 0.16% | 00.0% | Unchanged |
| Triglav Skladi, D.O.O. | 3,000 | $2.32M | 0.16% | 00.0% | Unchanged |
| Militia Capital Management LLC | 3,000 | $2.32M | 0.52% | +3,000 | New |
| Allworth Financial LP | 2,991 | $2.31M | 0.01% | +808+37.0% | Added |
| Boothbay Fund Management, LLC | 2,972 | $2.30M | 0.05% | +2,972 | New |
| PEAK6 LLC | 2,955 | $2.28M | 0.07% | +2,952+98,400.0% | Added |
| United Capital Financial Advisers, LLC | 2,940 | $2.27M | 0.01% | −42−1.4% | Reduced |
| North Dakota State Investment Board | 2,940 | $2.27M | 0.10% | −639−17.9% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 2,938 | $2.27M | 0.39% | +71+2.5% | Added |
| Element Squared LLC | 2,936 | $2.27M | 1.28% | +2,936 | New |
| Snowden Capital Advisors LLC | 2,864 | $2.21M | 0.06% | +180+6.7% | Added |
| E. Ohman J:or Asset Management AB | 2,840 | $2.19M | 0.06% | 00.0% | Unchanged |
| Peapack Gladstone Financial Corp | 2,822 | $2.18M | 0.03% | −9−0.3% | Reduced |
| MUFG Securities Americas Inc. | 2,789 | $2.15M | 0.14% | +74+2.7% | Added |
| CAPROCK Group, Inc. | 2,768 | $2.14M | 0.05% | −133−4.6% | Reduced |
| Hudson Canyon Capital Management | 2,759 | $2.13M | 1.30% | −15−0.5% | Reduced |
| Entropy Technologies, LP | 2,753 | $2.13M | 0.10% | +1,747+173.7% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 2,745 | $2.12M | 0.14% | 00.0% | Unchanged |
| Securian Asset Management, Inc | 2,741 | $2.12M | 0.08% | 00.0% | Unchanged |
| MASTERINVEST Kapitalanlage GmbH | 2,737 | $2.11M | 0.22% | −439−13.8% | Reduced |
| Intellectus Partners, LLC | 2,715 | $2.10M | 0.43% | 00.0% | Unchanged |
| Morningstar Investment Management LLC | 2,705 | $2.09M | 0.13% | −550−16.9% | Reduced |
| Pallas Capital Advisors LLC | 2,680 | $2.07M | 0.08% | −542−16.8% | Reduced |
| La Banque Postale Asset Management SA | 2,657 | $2.05M | 0.03% | −3,326−55.6% | Reduced |
| Heritage Trust Co | 2,656 | $2.05M | 0.21% | +77+3.0% | Added |
| Laird Norton Trust Company, LLC | 2,635 | $2.04M | 0.04% | −103−3.8% | Reduced |
| Shufro Rose & Co LLC | 2,598 | $2.01M | 0.14% | −37−1.4% | Reduced |
| Wahed Invest LLC | 2,588 | $2.00M | 0.26% | −80−3.0% | Reduced |
| Meyer Handelman Co | 2,581 | $1.99M | 0.06% | −297−10.3% | Reduced |
| Canada Post Corp Registered Pension Plan | 2,575 | $1.99M | 0.08% | 00.0% | Unchanged |
| Bluebird Wealth Management LLC | 2,574 | $1.99M | 2.04% | +12+0.5% | Added |
| Cresset Asset Management, LLC | 2,537 | $1.96M | 0.01% | −318−11.1% | Reduced |
| GAMMA Investing LLC | 2,507 | $1.94M | 0.09% | +326+14.9% | Added |
| Diversified Trust Co | 2,504 | $1.93M | 0.04% | −955−27.6% | Reduced |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 2,502 | $1.93M | 2.81% | +964+62.7% | Added |
| Mezzasalma Advisors, LLC | 2,500 | $1.93M | 0.49% | 00.0% | Unchanged |
| Harbor Investment Advisory, LLC | 2,482 | $1.92M | 0.15% | −17−0.7% | Reduced |
| Fifth Third Wealth Advisors LLC | 2,470 | $1.91M | 0.06% | +820+49.7% | Added |
| Fayez Sarofim & Co | 2,460 | $1.90M | 0.00% | −15−0.6% | Reduced |
| Sound View Wealth Advisors Group, LLC | 2,445 | $1.89M | 0.13% | +14+0.6% | Added |
| Philadelphia Trust Co | 2,415 | $1.87M | 0.13% | 00.0% | Unchanged |
| Pinnacle Wealth Management Advisory Group, LLC | 2,415 | $1.87M | 0.13% | +178+8.0% | Added |
| Oppenheimer Asset Management Inc. | 2,405 | $1.86M | 0.02% | +9+0.4% | Added |
| Rehmann Capital Advisory Group | 2,393 | $1.85M | 0.10% | +22+0.9% | Added |
| Krilogy Financial LLC | 2,443 | $1.82M | 0.06% | −33−1.3% | Reduced |
| Central Bank & Trust Co | 2,349 | $1.81M | 0.29% | −86−3.5% | Reduced |
| Tealwood Asset Management Inc | 2,342 | $1.81M | 0.82% | +13+0.6% | Added |
| GeoWealth Management, LLC | 2,338 | $1.81M | 0.07% | +2,338 | New |
| Palouse Capital Management, Inc. | 2,334 | $1.80M | 1.19% | −119−4.9% | Reduced |
| Kentucky Retirement Systems | 6,484 | $1.78M | 0.13% | −64−1.0% | Reduced |
| Gibbs Wealth Management | 2,306 | $1.78M | 0.23% | +1,765+326.2% | Added |
| Catalytic Wealth RIA, LLC | 2,297 | $1.77M | 0.07% | +1,921+510.9% | Added |
| Everence Capital Management Inc | 2,252 | $1.74M | 0.11% | +490+27.8% | Added |
| Fulton Bank, N.A. | 2,240 | $1.73M | 0.06% | −65−2.8% | Reduced |
| Belpointe Asset Management LLC | 2,213 | $1.71M | 0.06% | −35−1.6% | Reduced |
| Gabelli Funds LLC | 2,197 | $1.70M | 0.01% | +358+19.5% | Added |
| Savvy Advisors, Inc. | 2,181 | $1.69M | 0.05% | −21−1.0% | Reduced |
| Point72 Asset Management, L.P. | 2,175 | $1.68M | 0.00% | −260,352−99.2% | Reduced |
| Generali Investments CEE, investicni spolecnost, a.s. | 2,170 | $1.68M | 0.09% | 00.0% | Unchanged |
| Dakota Wealth Management | 2,147 | $1.66M | 0.04% | −979−31.3% | Reduced |
| Perpetual Ltd | 2,145 | $1.66M | 0.03% | 00.0% | Unchanged |
| IMA Wealth, Inc. | 2,132 | $1.65M | 0.16% | −16−0.7% | Reduced |
| Kendall Capital Management | 2,116 | $1.63M | 0.33% | −9−0.4% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 2,104 | $1.63M | 0.01% | −32−1.5% | Reduced |