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, Q2 2026
Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 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
- 1,342
- −44 vs. Q1 2026
- Shares held
- 91.4M
- +1.18M (+1.3%) vs. Q1 2026
- Total value
- $57.1B
- −$12.5B (−17.9%) vs. Q1 2026
- New holders
- 125
- 485 more added
- Sold out
- 169
- 543 more reduced
15 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sterling Investment Advisors, Ltd. | 2,947 | $1.84M | 0.31% | −175−5.6% | Reduced |
| Axq Capital, LP | 2,952 | $1.84M | 0.20% | +2,952 | New |
| American Assets Investment Management, LLC | 3,000 | $1.87M | 0.11% | 00.0% | Unchanged |
| Triglav Skladi, D.O.O. | 3,000 | $1.87M | 0.10% | 00.0% | Unchanged |
| Maxi Investments CY Ltd | 3,000 | $1.87M | 0.38% | +3,000 | New |
| La Banque Postale Asset Management SA | 3,005 | $1.87M | 0.02% | +348+13.1% | Added |
| Traynor Capital Management, Inc. | 3,005 | $1.87M | 0.09% | −28,461−90.5% | Reduced |
| BKD Wealth Advisors, LLC | 3,009 | $1.88M | 0.03% | −33−1.1% | Reduced |
| MUFG Securities Americas Inc. | 3,010 | $1.88M | 0.10% | +221+7.9% | Added |
| North Dakota State Investment Board | 3,017 | $1.88M | 0.08% | +77+2.6% | Added |
| First Foundation Advisors | 3,052 | $1.90M | 0.07% | +10.0% | Added |
| Joel Isaacson & Co., LLC | 3,067 | $1.91M | 0.06% | 00.0% | Unchanged |
| Greenfield Seitz Capital Management, LLC | 3,074 | $1.92M | 0.57% | +60+2.0% | Added |
| Howard Capital Management Inc. | 3,077 | $1.92M | 0.02% | +1,737+129.6% | Added |
| Element Squared LLC | 3,083 | $1.92M | 0.96% | +147+5.0% | Added |
| Summit Trail Advisors, LLC | 3,083 | $1.92M | 0.02% | +66+2.2% | Added |
| Financiere des Professionnels - Fonds d,investissement inc. | 3,171 | $1.98M | 0.11% | 00.0% | Unchanged |
| Simplex Trading, LLC | 3,172 | $1.98M | 0.05% | +3,172 | New |
| 111 Capital | 3,185 | $1.99M | 0.34% | +2,256+242.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 3,198 | $1.99M | 0.04% | +3,198 | New |
| Lockheed Martin Investment Management Co | 3,200 | $2.00M | 0.08% | −340−9.6% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 3,204 | $2.00M | 0.02% | −22−0.7% | Reduced |
| Johnson Financial Group, Inc. | 3,250 | $2.03M | 0.07% | −168−4.9% | Reduced |
| Boothbay Fund Management, LLC | 3,312 | $2.07M | 0.04% | +340+11.4% | Added |
| Verition Fund Management LLC | 3,312 | $2.07M | 0.01% | +1,834+124.1% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 3,314 | $2.07M | 0.07% | −569−14.7% | Reduced |
| Tocqueville Asset Management L.P. | 3,315 | $2.07M | 0.03% | −12,464−79.0% | Reduced |
| Merit Financial Group, LLC | 3,333 | $2.08M | 0.01% | −2,252−40.3% | Reduced |
| Morningstar Investment Management LLC | 2,705 | $2.09M | 0.13% | 00.0% | Unchanged |
| Bailard, Inc. | 3,376 | $2.10M | 0.04% | −2−0.1% | Reduced |
| Family Management Corp | 3,424 | $2.14M | 0.22% | −370−9.8% | Reduced |
| New England Research & Management, Inc. | 3,475 | $2.17M | 0.84% | +2,900+504.3% | Added |
| Murphy Pohlad Asset Management LLC | 3,508 | $2.19M | 0.76% | 00.0% | Unchanged |
| Cache Advisors, LLC | 3,548 | $2.21M | 0.19% | 00.0% | Unchanged |
| Stiles Financial Services Inc | 3,564 | $2.22M | 0.56% | −86−2.4% | Reduced |
| Legato Capital Management LLC | 3,664 | $2.28M | 0.19% | −2,340−39.0% | Reduced |
| Group One Trading, L.P. | 3,668 | $2.29M | 0.07% | −1,731−32.1% | Reduced |
| Quadrant Capital Group LLC | 3,691 | $2.30M | 0.06% | +14+0.4% | Added |
| Polymer Capital Management (HK) LTD | 3,704 | $2.31M | 0.23% | +2,445+194.2% | Added |
| Banque Pictet & Cie SA | 3,713 | $2.32M | 0.02% | −6,180−62.5% | Reduced |
| Monarch Capital Management Inc | 3,816 | $2.38M | 0.55% | +611+19.1% | Added |
| Machina Capital S.A.S. | 3,827 | $2.39M | 0.38% | +3,183+494.3% | Added |
| E. Ohman J:or Asset Management AB | 3,840 | $2.39M | 0.06% | +1,000+35.2% | Added |
| Royal London Asset Management Ltd | 3,887 | $2.42M | 0.00% | −32−0.8% | Reduced |
| NLB Skladi, upravljanje premozenja, d.o.o. | 3,895 | $2.43M | 0.09% | +752+23.9% | Added |
| Leonteq Securities AG | 3,948 | $2.46M | 0.15% | +2,736+225.7% | Added |
| Plato Investment Management Ltd | 3,983 | $2.47M | 0.14% | +464+13.2% | Added |
| Cito Capital Group, LLC | 4,000 | $2.49M | 0.68% | +160+4.2% | Added |
| Militia Capital Management LLC | 4,000 | $2.49M | 0.45% | +1,000+33.3% | Added |
| Dillon & Associates Inc | 4,086 | $2.55M | 0.31% | −305−6.9% | Reduced |
| Prospera Financial Services Inc | 4,113 | $2.56M | 0.04% | −554−11.9% | Reduced |
| Tokio Marine Asset Management Co Ltd | 4,141 | $2.58M | 0.08% | +216+5.5% | Added |
| Savant Capital, LLC | 3,687 | $2.59M | 0.01% | +1,746+90.0% | Added |
| Atlantic Union Bankshares Corp | 4,186 | $2.61M | 0.04% | −448−9.7% | Reduced |
| Sarissa Capital Management LP | 4,190 | $2.61M | 1.47% | 00.0% | Unchanged |
| Edgestream Partners, L.P. | 4,258 | $2.66M | 0.08% | +4,258 | New |
| Simmons Bank | 4,282 | $2.67M | 0.15% | +336+8.5% | Added |
| Advisory Services Network, LLC | 4,289 | $2.68M | 0.03% | +336+8.5% | Added |
| Moran Wealth Management, LLC | 4,300 | $2.68M | 0.07% | −98−2.2% | Reduced |
| Virtus Investment Advisers, Inc. | 4,320 | $2.69M | 0.63% | +722+20.1% | Added |
| Brighton Jones LLC | 4,325 | $2.70M | 0.05% | −1,806−29.5% | Reduced |
| Citizens Financial Group Inc | 4,376 | $2.73M | 0.03% | −399−8.4% | Reduced |
| Glenview Trust Co | 4,404 | $2.75M | 0.04% | +436+11.0% | Added |
| Sepio Capital, LP | 4,417 | $2.75M | 0.14% | +665+17.7% | Added |
| B. Metzler seel. Sohn & Co. AG | 4,472 | $2.79M | 0.02% | +1,220+37.5% | Added |
| Global X Japan Co., Ltd. | 4,567 | $2.85M | 0.10% | +200+4.6% | Added |
| M&T Bank Corp | 4,576 | $2.85M | 0.01% | −2,174−32.2% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 4,579 | $2.86M | 0.07% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 4,591 | $2.86M | 0.01% | −241−5.0% | Reduced |
| Ameritas Investment Partners, Inc. | 4,593 | $2.86M | 0.08% | −63−1.4% | Reduced |
| Exchange Traded Concepts, LLC | 4,648 | $2.90M | 0.01% | −1,158−19.9% | Reduced |
| Sanibel Captiva Trust Company, Inc. | 4,719 | $2.94M | 0.07% | −93−1.9% | Reduced |
| Miracle Mile Advisors, LLC | 4,749 | $2.96M | 0.03% | −148−3.0% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 4,755 | $2.96M | 0.11% | +418+9.6% | Added |
| Schonfeld Strategic Advisors LLC | 4,759 | $2.97M | 0.02% | +4,759 | New |
| Asio Capital, LLC | 4,765 | $2.97M | 0.38% | −26−0.5% | Reduced |
| Victrix Investment Advisors | 4,766 | $2.97M | 1.25% | 00.0% | Unchanged |
| B & T Capital Management DBA Alpha Capital Management | 4,778 | $2.98M | 0.39% | −50−1.0% | Reduced |
| Pine Valley Investments Ltd Liability Co | 4,783 | $2.98M | 0.13% | −159−3.2% | Reduced |
| Agf Management Ltd | 4,819 | $3.00M | 0.01% | +4,404+1,061.2% | Added |
| Sivik Global Healthcare LLC | 4,000 | $3.09M | 2.35% | 00.0% | Unchanged |
| Harvey Capital Management Inc | 4,975 | $3.10M | 0.64% | −5,001−50.1% | Reduced |
| Peak Wealth Management LLC | 4,992 | $3.11M | 2.18% | −219−4.2% | Reduced |
| JBF Capital, Inc. | 5,000 | $3.12M | 0.41% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 5,000 | $3.12M | 0.08% | +200+4.2% | Added |
| Encore Global Management, LP | 5,050 | $3.15M | 3.09% | +3,950+359.1% | Added |
| Siemens Fonds Invest GmbH | 5,060 | $3.16M | 0.15% | +43+0.9% | Added |
| Northwestern Mutual Wealth Management Co | 5,101 | $3.18M | 0.00% | +1,048+25.9% | Added |
| Linden Thomas Advisory Services, LLC | 5,106 | $3.18M | 0.26% | −16−0.3% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 5,132 | $3.20M | 0.03% | +1,893+58.4% | Added |
| Steward Partners Investment Advisory, LLC | 5,148 | $3.21M | 0.02% | +528+11.4% | Added |
| E Fund Management Co., Ltd. | 5,158 | $3.22M | 0.07% | +333+6.9% | Added |
| Easterly Investment Partners LLC | 5,197 | $3.24M | 0.16% | +3,444+196.5% | Added |
| Arkadios Wealth Advisors | 5,205 | $3.25M | 0.05% | +770+17.4% | Added |
| Hussman Strategic Advisors, Inc. | 5,250 | $3.27M | 0.75% | +5,250 | New |
| Brown Advisory Inc | 5,274 | $3.29M | 0.01% | +2,010+61.6% | Added |
| US Bancorp | 5,330 | $3.32M | 0.00% | −298−5.3% | Reduced |
| RMR Wealth Builders | 5,339 | $3.33M | 0.21% | +1,466+37.9% | Added |
| Oxbow Advisors, LLC | 5,359 | $3.34M | 0.27% | +25+0.5% | Added |
| Wiley Bros.-Aintree Capital, LLC | 5,467 | $3.41M | 0.01% | +63+1.2% | Added |