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 |
|---|---|---|---|---|---|
| Centiva Capital, LP | 14,610 | $11.3M | 0.53% | +14,610 | New |
| OrbiMed Advisors LLC | 14,700 | $11.4M | 0.26% | +14,700 | New |
| Charter Trust Co | 14,714 | $11.4M | 0.67% | +18+0.1% | Added |
| Winton Group Ltd | 14,778 | $11.4M | 0.40% | +12,018+435.4% | Added |
| M. Kulyk & Associates, LLC | 14,895 | $11.5M | 2.15% | +91+0.6% | Added |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 14,975 | $11.6M | 0.41% | −8,072−35.0% | Reduced |
| Ethic Inc. | 15,017 | $11.6M | 0.18% | −926−5.8% | Reduced |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 15,033 | $11.6M | 0.17% | +1,820+13.8% | Added |
| Voloridge Investment Management, LLC | 15,364 | $11.9M | 0.05% | +15,364 | New |
| Picton Mahoney Asset Management | 15,408 | $11.9M | 0.12% | −176−1.1% | Reduced |
| Klingenstein Fields & Co LP | 15,566 | $12.0M | 0.47% | −369−2.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 15,600 | $12.1M | 0.10% | +30+0.2% | Added |
| Empowered Funds, LLC | 15,618 | $12.1M | 0.08% | −17,442−52.8% | Reduced |
| Tocqueville Asset Management L.P. | 15,779 | $12.2M | 0.18% | −31,045−66.3% | Reduced |
| Pathstone Holdings, LLC | 15,912 | $12.3M | 0.05% | +988+6.6% | Added |
| Cetera Investment Advisers | 16,006 | $12.4M | 0.01% | +198+1.3% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 16,148 | $12.4M | 0.09% | −19,890−55.2% | Reduced |
| Greenwich Wealth Management LLC | 16,102 | $12.4M | 0.51% | −19−0.1% | Reduced |
| J. Goldman & Co LP | 16,268 | $12.6M | 0.58% | +9,916+156.1% | Added |
| Commonwealth Equity Services, LLC | 16,385 | $12.7M | 0.02% | +263+1.6% | Added |
| Colony Group, LLC | 16,441 | $12.7M | 0.01% | +4,535+38.1% | Added |
| Summit Financial, LLC | 16,466 | $12.7M | 0.16% | +3,682+28.8% | Added |
| Eurizon Capital SGR S.p.A. | 16,525 | $12.7M | 0.04% | +2,960+21.8% | Added |
| Utah Retirement Systems | 16,492 | $12.7M | 0.13% | −580−3.4% | Reduced |
| North Point Portfolio Managers Corp | 16,743 | $12.9M | 2.30% | −10.0% | Reduced |
| New York Life Investment Management LLC | 16,817 | $13.0M | 0.11% | +1,730+11.5% | Added |
| Applied Finance Capital Management, LLC | 16,835 | $13.0M | 0.98% | −2,246−11.8% | Reduced |
| Martingale Asset Management L P | 16,861 | $13.0M | 0.33% | +7,097+72.7% | Added |
| R.P. Boggs & Co. | 16,778 | $13.0M | 6.27% | −12,566−42.8% | Reduced |
| Lazard Asset Management LLC | 17,004 | $13.1M | 0.02% | +6,166+56.9% | Added |
| MML Investors Services, LLC | 17,009 | $13.1M | 0.04% | −2,869−14.4% | Reduced |
| MUFG Securities EMEA plc | 17,132 | $13.2M | 0.20% | +13,000+314.6% | Added |
| Private Advisor Group, LLC | 17,315 | $13.4M | 0.06% | −453−2.5% | Reduced |
| F/M Investments LLC | 17,384 | $13.4M | 0.89% | −5,429−23.8% | Reduced |
| Shelton Capital Management | 17,487 | $13.5M | 0.30% | −360−2.0% | Reduced |
| Lombard Odier Asset Management (Europe) Ltd | 17,875 | $13.8M | 0.76% | −3,124−14.9% | Reduced |
| CI Private Wealth, LLC | 18,073 | $13.9M | 0.02% | +1,483+8.9% | Added |
| Xponance, Inc. | 18,013 | $13.9M | 0.10% | +2,377+15.2% | Added |
| Glenmede Trust Co NA | 18,059 | $14.0M | 0.07% | −10.0% | Reduced |
| Varma Mutual Pension Insurance Co | 18,088 | $14.0M | 0.08% | +1,000+5.9% | Added |
| The PNC Financial Services Group, Inc. | 18,226 | $14.1M | 0.01% | +866+5.0% | Added |
| Swiss Life Asset Management Ltd | 30,525 | $14.1M | 0.07% | +19,763+183.6% | Added |
| State of Alaska, Department of Revenue | 18,363 | $14.2M | 0.15% | +60+0.3% | Added |
| Quadrature Capital Ltd | 18,602 | $14.4M | 0.17% | −9,009−32.6% | Reduced |
| Amalgamated Bank | 18,737 | $14.5M | 0.11% | −523−2.7% | Reduced |
| Ensign Peak Advisors, Inc | 19,052 | $14.7M | 0.03% | +4,203+28.3% | Added |
| CBOE Vest Financial, LLC | 19,363 | $15.0M | 0.18% | +19,363 | New |
| Beacon Pointe Advisors, LLC | 19,460 | $15.0M | 0.08% | +7,396+61.3% | Added |
| Nomura Holdings Inc | 19,562 | $15.1M | 0.13% | −20,833−51.6% | Reduced |
| Nisa Investment Advisors, LLC | 19,771 | $15.3M | 0.06% | −1,191−5.7% | Reduced |
| Schaper Benz & Wise Investment Counsel Inc | 19,849 | $15.3M | 1.17% | −675−3.3% | Reduced |
| Woodstock Corp | 19,855 | $15.3M | 1.37% | +1,209+6.5% | Added |
| Mercer Global Advisors Inc | 20,053 | $15.5M | 0.02% | +4,917+32.5% | Added |
| USS Investment Management Ltd | 20,230 | $15.6M | 0.07% | +915+4.7% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 20,571 | $15.9M | 0.15% | +468+2.3% | Added |
| Rakuten Investment Management, Inc. | 21,260 | $15.9M | 0.03% | +2,257+11.9% | Added |
| iA Global Asset Management Inc. | 20,646 | $16.0M | 0.23% | −368−1.8% | Reduced |
| IFM Investors Pty Ltd | 21,032 | $16.3M | 0.14% | +294+1.4% | Added |
| China Universal Asset Management Co., Ltd. | 21,361 | $16.5M | 1.25% | +1,608+8.1% | Added |
| Noesis Capital Mangement Corp | 21,380 | $16.5M | 2.44% | −70.0% | Reduced |
| Teacher Retirement System of Texas | 21,477 | $16.6M | 0.07% | −3,455−13.9% | Reduced |
| SEB Asset Management AB | 21,697 | $16.8M | 0.07% | +21,697 | New |
| One Capital Management, LLC | 22,368 | $17.3M | 0.47% | +743+3.4% | Added |
| Oppenheimer & Co Inc | 22,477 | $17.4M | 0.21% | −2,315−9.3% | Reduced |
| Raiffeisen Bank International AG | 23,203 | $17.4M | 0.25% | +640+2.8% | Added |
| Bridgewater Associates, LP | 22,724 | $17.6M | 0.08% | −50,021−68.8% | Reduced |
| D. E. Shaw & Co., Inc. | 22,730 | $17.6M | 0.01% | −132,745−85.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 23,481 | $18.1M | 0.09% | +39+0.2% | Added |
| MetLife Investment Management | 23,567 | $18.2M | 0.09% | −607−2.5% | Reduced |
| GW Henssler & Associates Ltd | 23,930 | $18.5M | 0.87% | −512−2.1% | Reduced |
| Bellecapital International Ltd. | 24,286 | $18.8M | 3.39% | +1,177+5.1% | Added |
| Capital International Sarl | 24,602 | $19.0M | 0.31% | +1,331+5.7% | Added |
| Illinois Municipal Retirement Fund | 24,865 | $19.2M | 0.24% | −984−3.8% | Reduced |
| CIBC Bancorp USA Inc. | 25,263 | $19.5M | 0.03% | +25,263 | New |
| Virginia Retirement Systems Et Al | 25,474 | $19.7M | 0.15% | −16,240−38.9% | Reduced |
| Factory Mutual Insurance Co | 25,600 | $19.8M | 0.22% | +800+3.2% | Added |
| WestEnd Advisors, LLC | 25,613 | $19.8M | 0.48% | +25,606+365,800.0% | Added |
| State of Michigan Retirement System | 26,321 | $20.3M | 0.11% | −100−0.4% | Reduced |
| DDD Partners, LLC | 26,920 | $20.8M | 1.44% | +2,846+11.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 37,596 | $21.0M | 0.05% | +15,233+68.1% | Added |
| Czech National Bank | 27,453 | $21.2M | 0.14% | +878+3.3% | Added |
| GF Fund Management Co. Ltd. | 28,281 | $21.9M | 0.37% | −830−2.9% | Reduced |
| Arizona State Retirement System | 28,298 | $21.9M | 0.13% | −934−3.2% | Reduced |
| Rockefeller Capital Management L.P. | 28,520 | $22.0M | 0.04% | +1,467+5.4% | Added |
| Distillate Capital Partners LLC | 28,570 | $22.1M | 1.16% | +192+0.7% | Added |
| Washington Trust Advisors, Inc. | 28,735 | $22.2M | 1.80% | −689−2.3% | Reduced |
| Vontobel Holding Ltd. | 28,794 | $22.2M | 0.08% | +15,251+112.6% | Added |
| Nissay Asset Management Corp | 28,869 | $22.3M | 0.12% | +843+3.0% | Added |
| Rafferty Asset Management, LLC | 29,589 | $22.9M | 0.09% | −5,730−16.2% | Reduced |
| Tredje AP-fonden | 29,748 | $23.0M | 0.13% | +13,418+82.2% | Added |
| Traynor Capital Management, Inc. | 31,466 | $23.6M | 1.40% | +103+0.3% | Added |
| Susquehanna International Group, LLP | 30,620 | $23.7M | 0.03% | −61,841−66.9% | Reduced |
| Freestone Grove Partners LP | 30,625 | $23.7M | 0.17% | −10,784−26.0% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 30,702 | $23.7M | 0.13% | +11,050+56.2% | Added |
| Orion Investment Co | 30,837 | $23.8M | 7.59% | +25+0.1% | Added |
| ING Groep NV | 31,191 | $24.1M | 0.15% | −25,406−44.9% | Reduced |
| General American Investors Co Inc | 31,362 | $24.2M | 1.60% | 00.0% | Unchanged |
| STRS Ohio | 31,656 | $24.5M | 0.10% | −1,340−4.1% | Reduced |
| Resona Asset Management Co.,Ltd. | 32,060 | $24.6M | 0.12% | +106+0.3% | Added |
| Hudson Bay Capital Management LP | 32,001 | $24.7M | 0.15% | +5,874+22.5% | Added |