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, 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
- 1,341
- −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
- 542 more reduced
16 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 | 1,341 | $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 |
|---|---|---|---|---|---|
| Investment Management Corp of Ontario | 7,642 | $4.77M | 0.06% | −322−4.0% | Reduced |
| Clear Harbor Asset Management, LLC | 7,610 | $4.75M | 0.30% | −3,265−30.0% | Reduced |
| Summit Global Investments | 7,506 | $4.68M | 0.26% | −2,298−23.4% | Reduced |
| Saudi Central Bank | 7,273 | $4.54M | 0.06% | +3,461+90.8% | Added |
| Perigon Wealth Management, LLC | 7,164 | $4.47M | 0.07% | −516−6.7% | Reduced |
| Meeder Asset Management Inc | 7,156 | $4.46M | 0.23% | +1,062+17.4% | Added |
| Gilman Hill Asset Management, LLC | 7,139 | $4.45M | 0.61% | +939+15.1% | Added |
| Commerce Bank | 7,131 | $4.45M | 0.02% | +683+10.6% | Added |
| Westpac Banking Corp | 7,059 | $4.40M | 0.27% | −2,545−26.5% | Reduced |
| Wealthspire Advisors, LLC | 7,042 | $4.39M | 0.02% | −1,664−19.1% | Reduced |
| Wealthfront Advisers LLC | 7,006 | $4.37M | 0.01% | −1,338−16.0% | Reduced |
| J. Goldman & Co LP | 6,936 | $4.32M | 0.15% | −9,332−57.4% | Reduced |
| Sicart Associates LLC | 6,912 | $4.31M | 1.06% | −49−0.7% | Reduced |
| Augustine Asset Management Inc | 6,884 | $4.29M | 0.87% | +2,405+53.7% | Added |
| Allstate Corp | 6,878 | $4.29M | 0.04% | −4,075−37.2% | Reduced |
| MAI Capital Management | 6,715 | $4.19M | 0.02% | +358+5.6% | Added |
| Modera Wealth Management, LLC | 6,682 | $4.17M | 0.04% | −69−1.0% | Reduced |
| Apollon Wealth Management, LLC | 6,662 | $4.15M | 0.05% | +2,831+73.9% | Added |
| Natixis | 6,599 | $4.11M | 0.02% | −48,708−88.1% | Reduced |
| Kentucky Retirement Systems | 6,406 | $3.99M | 0.10% | −78−1.2% | Reduced |
| Ledyard National Bank | 6,290 | $3.92M | 0.31% | +64+1.0% | Added |
| Fideuram Asset Management (Ireland) dac | 6,329 | $3.92M | 0.08% | +5,857+1,240.9% | Added |
| Arnhold LLC | 6,228 | $3.88M | 0.27% | 00.0% | Unchanged |
| Abn Amro Investment Solutions | 6,114 | $3.81M | 0.03% | +1,254+25.8% | Added |
| Unison Advisors LLC | 6,035 | $3.76M | 0.26% | +6+0.1% | Added |
| Krensavage Asset Management, LLC | 6,000 | $3.74M | 1.42% | +2,000+50.0% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 5,958 | $3.72M | 0.16% | −11,917−66.7% | Reduced |
| PKO Investment Management Joint-Stock Co | 5,900 | $3.68M | 0.27% | +150+2.6% | Added |
| Prudential PLC | 5,829 | $3.63M | 0.03% | +1,841+46.2% | Added |
| Two Sigma Securities, LLC | 5,761 | $3.59M | 0.31% | +4,626+407.6% | Added |
| Kovitz Investment Group Partners, LLC | 5,735 | $3.58M | 0.08% | +4,978+657.6% | Added |
| Madison Asset Management, LLC | 5,729 | $3.57M | 0.04% | −55−1.0% | Reduced |
| Jane Street Group, LLC | 5,596 | $3.49M | 0.00% | +222+4.1% | Added |
| IMC-Chicago, LLC | 5,591 | $3.49M | 0.03% | +5,591 | New |
| Warren Averett Asset Management, LLC | 5,584 | $3.48M | 0.02% | −311−5.3% | Reduced |
| Veracity Capital LLC | 5,556 | $3.46M | 0.94% | +3+0.1% | Added |
| Hartford Investment Management Co | 5,538 | $3.45M | 0.10% | −214−3.7% | Reduced |
| Maryland State Retirement & Pension System | 5,518 | $3.44M | 0.06% | +428+8.4% | Added |
| RSM US Wealth Management LLC | 5,514 | $3.44M | 0.04% | −661−10.7% | Reduced |
| Te Ahumairangi Investment Management Ltd | 5,489 | $3.42M | 0.55% | +1,160+26.8% | Added |
| Tema ETFs LLC | 5,481 | $3.42M | 0.11% | +121+2.3% | Added |
| Wiley Bros.-Aintree Capital, LLC | 5,467 | $3.41M | 0.01% | +63+1.2% | Added |
| Oxbow Advisors, LLC | 5,359 | $3.34M | 0.27% | +25+0.5% | Added |
| RMR Wealth Builders | 5,339 | $3.33M | 0.21% | +1,466+37.9% | Added |
| US Bancorp | 5,330 | $3.32M | 0.00% | −298−5.3% | Reduced |
| Brown Advisory Inc | 5,274 | $3.29M | 0.01% | +2,010+61.6% | Added |
| Hussman Strategic Advisors, Inc. | 5,250 | $3.27M | 0.75% | +5,250 | New |
| Arkadios Wealth Advisors | 5,205 | $3.25M | 0.05% | +770+17.4% | Added |
| Easterly Investment Partners LLC | 5,197 | $3.24M | 0.16% | +3,444+196.5% | Added |
| E Fund Management Co., Ltd. | 5,158 | $3.22M | 0.07% | +333+6.9% | Added |
| Steward Partners Investment Advisory, LLC | 5,148 | $3.21M | 0.02% | +528+11.4% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 5,132 | $3.20M | 0.03% | +1,893+58.4% | Added |
| Linden Thomas Advisory Services, LLC | 5,106 | $3.18M | 0.26% | −16−0.3% | Reduced |
| Northwestern Mutual Wealth Management Co | 5,101 | $3.18M | 0.00% | +1,048+25.9% | Added |
| Siemens Fonds Invest GmbH | 5,060 | $3.16M | 0.15% | +43+0.9% | Added |
| Encore Global Management, LP | 5,050 | $3.15M | 3.09% | +3,950+359.1% | Added |
| New Mexico Educational Retirement Board | 5,000 | $3.12M | 0.08% | +200+4.2% | Added |
| JBF Capital, Inc. | 5,000 | $3.12M | 0.41% | 00.0% | Unchanged |
| Peak Wealth Management LLC | 4,992 | $3.11M | 2.18% | −219−4.2% | Reduced |
| Harvey Capital Management Inc | 4,975 | $3.10M | 0.64% | −5,001−50.1% | Reduced |
| Sivik Global Healthcare LLC | 4,000 | $3.09M | 2.35% | 00.0% | Unchanged |
| Agf Management Ltd | 4,819 | $3.00M | 0.01% | +4,404+1,061.2% | Added |
| Pine Valley Investments Ltd Liability Co | 4,783 | $2.98M | 0.13% | −159−3.2% | Reduced |
| B & T Capital Management DBA Alpha Capital Management | 4,778 | $2.98M | 0.39% | −50−1.0% | Reduced |
| Victrix Investment Advisors | 4,766 | $2.97M | 1.25% | 00.0% | Unchanged |
| Asio Capital, LLC | 4,765 | $2.97M | 0.38% | −26−0.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 4,759 | $2.97M | 0.02% | +4,759 | New |
| AG2R la Mondiale Gestion D'Actifs | 4,755 | $2.96M | 0.11% | +418+9.6% | Added |
| Miracle Mile Advisors, LLC | 4,749 | $2.96M | 0.03% | −148−3.0% | Reduced |
| Sanibel Captiva Trust Company, Inc. | 4,719 | $2.94M | 0.07% | −93−1.9% | Reduced |
| Exchange Traded Concepts, LLC | 4,648 | $2.90M | 0.01% | −1,158−19.9% | Reduced |
| Ameritas Investment Partners, Inc. | 4,593 | $2.86M | 0.08% | −63−1.4% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 4,591 | $2.86M | 0.01% | −241−5.0% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 4,579 | $2.86M | 0.07% | 00.0% | Unchanged |
| M&T Bank Corp | 4,576 | $2.85M | 0.01% | −2,174−32.2% | Reduced |
| Global X Japan Co., Ltd. | 4,567 | $2.85M | 0.10% | +200+4.6% | Added |
| B. Metzler seel. Sohn & Co. AG | 4,472 | $2.79M | 0.02% | +1,220+37.5% | Added |
| Sepio Capital, LP | 4,417 | $2.75M | 0.14% | +665+17.7% | Added |
| Glenview Trust Co | 4,404 | $2.75M | 0.04% | +436+11.0% | Added |
| Citizens Financial Group Inc | 4,376 | $2.73M | 0.03% | −399−8.4% | Reduced |
| Brighton Jones LLC | 4,325 | $2.70M | 0.05% | −1,806−29.5% | Reduced |
| Virtus Investment Advisers, Inc. | 4,320 | $2.69M | 0.63% | +722+20.1% | Added |
| Moran Wealth Management, LLC | 4,300 | $2.68M | 0.07% | −98−2.2% | Reduced |
| Advisory Services Network, LLC | 4,289 | $2.68M | 0.03% | +336+8.5% | Added |
| Simmons Bank | 4,282 | $2.67M | 0.15% | +336+8.5% | Added |
| Edgestream Partners, L.P. | 4,258 | $2.66M | 0.08% | +4,258 | New |
| Sarissa Capital Management LP | 4,190 | $2.61M | 1.47% | 00.0% | Unchanged |
| Atlantic Union Bankshares Corp | 4,186 | $2.61M | 0.04% | −448−9.7% | Reduced |
| Savant Capital, LLC | 3,687 | $2.59M | 0.01% | +1,746+90.0% | Added |
| Tokio Marine Asset Management Co Ltd | 4,141 | $2.58M | 0.08% | +216+5.5% | Added |
| Prospera Financial Services Inc | 4,113 | $2.56M | 0.04% | −554−11.9% | Reduced |
| Dillon & Associates Inc | 4,086 | $2.55M | 0.31% | −305−6.9% | Reduced |
| Militia Capital Management LLC | 4,000 | $2.49M | 0.45% | +1,000+33.3% | Added |
| Cito Capital Group, LLC | 4,000 | $2.49M | 0.68% | +160+4.2% | Added |
| Plato Investment Management Ltd | 3,983 | $2.47M | 0.14% | +464+13.2% | Added |
| Leonteq Securities AG | 3,948 | $2.46M | 0.15% | +2,736+225.7% | Added |
| NLB Skladi, upravljanje premozenja, d.o.o. | 3,895 | $2.43M | 0.09% | +752+23.9% | Added |
| Royal London Asset Management Ltd | 3,887 | $2.42M | 0.00% | −32−0.8% | Reduced |
| E. Ohman J:or Asset Management AB | 3,840 | $2.39M | 0.06% | +1,000+35.2% | Added |
| Machina Capital S.A.S. | 3,827 | $2.39M | 0.38% | +3,183+494.3% | Added |