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 |
|---|---|---|---|---|---|
| Monarch Capital Management Inc | 3,816 | $2.38M | 0.55% | +611+19.1% | Added |
| Banque Pictet & Cie SA | 3,713 | $2.32M | 0.02% | −6,180−62.5% | Reduced |
| Polymer Capital Management (HK) LTD | 3,704 | $2.31M | 0.23% | +2,445+194.2% | Added |
| Quadrant Capital Group LLC | 3,691 | $2.30M | 0.06% | +14+0.4% | Added |
| Group One Trading, L.P. | 3,668 | $2.29M | 0.07% | −1,731−32.1% | Reduced |
| Legato Capital Management LLC | 3,664 | $2.28M | 0.19% | −2,340−39.0% | Reduced |
| Stiles Financial Services Inc | 3,564 | $2.22M | 0.56% | −86−2.4% | Reduced |
| Cache Advisors, LLC | 3,548 | $2.21M | 0.19% | 00.0% | Unchanged |
| Murphy Pohlad Asset Management LLC | 3,508 | $2.19M | 0.76% | 00.0% | Unchanged |
| New England Research & Management, Inc. | 3,475 | $2.17M | 0.84% | +2,900+504.3% | Added |
| Family Management Corp | 3,424 | $2.14M | 0.22% | −370−9.8% | Reduced |
| Bailard, Inc. | 3,376 | $2.10M | 0.04% | −2−0.1% | Reduced |
| Morningstar Investment Management LLC | 2,705 | $2.09M | 0.13% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 3,333 | $2.08M | 0.01% | −2,252−40.3% | Reduced |
| Tocqueville Asset Management L.P. | 3,315 | $2.07M | 0.03% | −12,464−79.0% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 3,314 | $2.07M | 0.07% | −569−14.7% | 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 |
| Johnson Financial Group, Inc. | 3,250 | $2.03M | 0.07% | −168−4.9% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 3,204 | $2.00M | 0.02% | −22−0.7% | Reduced |
| Lockheed Martin Investment Management Co | 3,200 | $2.00M | 0.08% | −340−9.6% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 3,198 | $1.99M | 0.04% | +3,198 | New |
| 111 Capital | 3,185 | $1.99M | 0.34% | +2,256+242.8% | Added |
| Simplex Trading, LLC | 3,172 | $1.98M | 0.05% | +3,172 | New |
| Financiere des Professionnels - Fonds d,investissement inc. | 3,171 | $1.98M | 0.11% | 00.0% | Unchanged |
| Summit Trail Advisors, LLC | 3,083 | $1.92M | 0.02% | +66+2.2% | Added |
| Element Squared LLC | 3,083 | $1.92M | 0.96% | +147+5.0% | Added |
| Howard Capital Management Inc. | 3,077 | $1.92M | 0.02% | +1,737+129.6% | Added |
| Greenfield Seitz Capital Management, LLC | 3,074 | $1.92M | 0.57% | +60+2.0% | Added |
| Joel Isaacson & Co., LLC | 3,067 | $1.91M | 0.06% | 00.0% | Unchanged |
| First Foundation Advisors | 3,052 | $1.90M | 0.07% | +10.0% | Added |
| North Dakota State Investment Board | 3,017 | $1.88M | 0.08% | +77+2.6% | Added |
| MUFG Securities Americas Inc. | 3,010 | $1.88M | 0.10% | +221+7.9% | Added |
| BKD Wealth Advisors, LLC | 3,009 | $1.88M | 0.03% | −33−1.1% | Reduced |
| Traynor Capital Management, Inc. | 3,005 | $1.87M | 0.09% | −28,461−90.5% | Reduced |
| La Banque Postale Asset Management SA | 3,005 | $1.87M | 0.02% | +348+13.1% | Added |
| Maxi Investments CY Ltd | 3,000 | $1.87M | 0.38% | +3,000 | 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 |
| Axq Capital, LP | 2,952 | $1.84M | 0.20% | +2,952 | New |
| Sterling Investment Advisors, Ltd. | 2,947 | $1.84M | 0.31% | −175−5.6% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 2,938 | $1.83M | 0.28% | 00.0% | Unchanged |
| Heritage Trust Co | 2,898 | $1.81M | 0.16% | +242+9.1% | Added |
| Kestra Advisory Services, LLC | 2,893 | $1.80M | 0.01% | −1,577−35.3% | Reduced |
| Banque Cantonale Vaudoise | 2,883 | $1.80M | 0.07% | +913+46.3% | Added |
| Securian Asset Management, Inc | 2,641 | $1.79M | 0.06% | −100−3.6% | Reduced |
| Concurrent Investment Advisors, LLC | 2,839 | $1.77M | 0.02% | +871+44.3% | Added |
| Peapack Gladstone Financial Corp | 2,837 | $1.77M | 0.02% | +15+0.5% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 2,822 | $1.76M | 0.01% | +718+34.1% | Added |
| Osmosis Investment Management UK Ltd | 2,817 | $1.76M | 0.08% | −3,102−52.4% | Reduced |
| Cresset Asset Management, LLC | 2,803 | $1.75M | 0.01% | +266+10.5% | Added |
| MASTERINVEST Kapitalanlage GmbH | 2,772 | $1.73M | 0.15% | +35+1.3% | Added |
| Snowden Capital Advisors LLC | 2,732 | $1.70M | 0.04% | −132−4.6% | Reduced |
| Game Creek Capital, LP | 2,725 | $1.70M | 0.73% | −2,800−50.7% | Reduced |
| Pinnacle Wealth Management Advisory Group, LLC | 2,713 | $1.69M | 0.10% | +298+12.3% | Added |
| HB Wealth Management, LLC | 2,712 | $1.69M | 0.01% | −724−21.1% | Reduced |
| Intellectus Partners, LLC | 2,696 | $1.68M | 0.29% | −19−0.7% | Reduced |
| Sequoia Financial Advisors, LLC | 2,687 | $1.68M | 0.01% | −502−15.7% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 2,659 | $1.66M | 0.10% | −86−3.1% | Reduced |
| United Capital Financial Advisers, LLC | 2,651 | $1.65M | 0.01% | −289−9.8% | Reduced |
| Benjamin Edwards Inc | 2,613 | $1.63M | 0.01% | +560+27.3% | Added |
| Meyer Handelman Co | 2,609 | $1.63M | 0.05% | +28+1.1% | Added |
| Shufro Rose & Co LLC | 2,602 | $1.62M | 0.09% | +4+0.2% | Added |
| Canada Post Corp Registered Pension Plan | 2,575 | $1.61M | 0.06% | 00.0% | Unchanged |
| Sound View Wealth Advisors Group, LLC | 2,558 | $1.59M | 0.10% | +113+4.6% | Added |
| Dark Forest Capital Management LP | 2,547 | $1.59M | 0.10% | +2,086+452.5% | Added |
| Allworth Financial LP | 2,530 | $1.58M | 0.01% | −461−15.4% | Reduced |
| Blackstone Group Inc. | 2,516 | $1.57M | 0.01% | +2,516 | New |
| Mezzasalma Advisors, LLC | 2,500 | $1.56M | 0.31% | 00.0% | Unchanged |
| Diversified Trust Co | 2,481 | $1.55M | 0.02% | −23−0.9% | Reduced |
| Palouse Capital Management, Inc. | 2,479 | $1.55M | 0.96% | +145+6.2% | Added |
| Bluebird Wealth Management LLC | 2,472 | $1.54M | 1.34% | −102−4.0% | Reduced |
| Fayez Sarofim & Co | 2,460 | $1.53M | 0.00% | 00.0% | Unchanged |
| Metis Global Partners, LLC | 2,439 | $1.52M | 0.03% | −2,009−45.2% | Reduced |
| CAPROCK Group, Inc. | 2,437 | $1.52M | 0.03% | −331−12.0% | Reduced |
| Laird Norton Trust Company, LLC | 2,419 | $1.51M | 0.03% | −216−8.2% | Reduced |
| Philadelphia Trust Co | 2,410 | $1.50M | 0.10% | −5−0.2% | Reduced |
| Perpetual Ltd | 2,407 | $1.50M | 0.02% | +262+12.2% | Added |
| Wahed Invest LLC | 2,405 | $1.50M | 0.16% | −183−7.1% | Reduced |
| Oppenheimer Asset Management Inc. | 2,398 | $1.50M | 0.02% | −7−0.3% | Reduced |
| Tobam | 2,394 | $1.49M | 0.36% | +1,791+297.0% | Added |
| Blair William & Co | 2,384 | $1.49M | 0.00% | +1,020+74.8% | Added |
| Harbor Investment Advisory, LLC | 2,382 | $1.49M | 0.10% | −100−4.0% | Reduced |
| Advisors Asset Management, Inc. | 2,379 | $1.48M | 0.02% | −706−22.9% | Reduced |
| Aster Capital Management (DIFC) Ltd | 2,374 | $1.48M | 0.31% | +2,366+29,575.0% | Added |
| Belpointe Asset Management LLC | 2,371 | $1.48M | 0.05% | +158+7.1% | Added |
| Generali Investments CEE, investicni spolecnost, a.s. | 2,370 | $1.48M | 0.07% | +200+9.2% | Added |
| Central Bank & Trust Co | 2,357 | $1.47M | 0.21% | +8+0.3% | Added |
| Tealwood Asset Management Inc | 2,338 | $1.46M | 0.56% | −4−0.2% | Reduced |
| Chicago Partners Investment Group LLC | 2,209 | $1.44M | 0.03% | +208+10.4% | Added |
| Integrated Wealth Concepts LLC | 2,299 | $1.43M | 0.01% | −1,902−45.3% | Reduced |
| Umpqua Bank | 2,271 | $1.42M | 0.32% | +205+9.9% | Added |
| Vestmark Advisory Solutions, Inc. | 2,248 | $1.40M | 0.01% | +381+20.4% | Added |
| Kornitzer Capital Management Inc | 2,211 | $1.38M | 0.03% | +137+6.6% | Added |
| Kendall Capital Management | 2,196 | $1.37M | 0.23% | +80+3.8% | Added |
| Savvy Advisors, Inc. | 2,185 | $1.36M | 0.03% | +4+0.2% | Added |
| Sectoral Asset Management Inc | 2,169 | $1.35M | 0.94% | −750−25.7% | Reduced |
| Fifth Third Wealth Advisors LLC | 2,168 | $1.35M | 0.04% | −302−12.2% | Reduced |
| Buckingham Strategic Partners | 2,165 | $1.35M | 0.01% | −3,125−59.1% | Reduced |
| Vega Investment Solutions | 2,164 | $1.35M | 0.19% | +107+5.2% | Added |