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 |
|---|---|---|---|---|---|
| Azimuth Capital Investment Management LLC | 11,696 | $7.29M | 0.25% | +11,696 | New |
| Louisiana State Employees Retirement System | 11,700 | $7.30M | 0.11% | −200−1.7% | Reduced |
| JustInvest LLC | 11,712 | $7.30M | 0.06% | −921−7.3% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 11,900 | $7.42M | 0.05% | 00.0% | Unchanged |
| GWM Advisors LLC | 11,911 | $7.43M | 0.02% | +4,301+56.5% | Added |
| Janney Montgomery Scott LLC | 12,176 | $7.59M | 0.01% | −902−6.9% | Reduced |
| Oregon Public Employees Retirement Fund | 12,307 | $7.67M | 0.08% | +749+6.5% | Added |
| Advisor Group Holdings, Inc. | 12,423 | $7.75M | 0.01% | +185+1.5% | Added |
| CI Private Wealth, LLC | 12,473 | $7.78M | 0.01% | −5,600−31.0% | Reduced |
| United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund | 12,520 | $7.81M | 0.14% | +12,520 | New |
| Assetmark, Inc | 12,594 | $7.85M | 0.01% | +278+2.3% | Added |
| Marietta Wealth Management, LLC | 12,686 | $7.91M | 0.81% | +477+3.9% | Added |
| M. Kulyk & Associates, LLC | 12,878 | $8.03M | 1.31% | −2,017−13.5% | Reduced |
| Thompson Siegel & Walmsley LLC | 12,882 | $8.03M | 0.14% | +206+1.6% | Added |
| Elo Mutual Pension Insurance Co | 12,957 | $8.08M | 0.10% | +1,108+9.4% | Added |
| Univest Financial Corp | 13,072 | $8.15M | 0.40% | −1,134−8.0% | Reduced |
| Capital International Inc | 13,154 | $8.20M | 0.06% | +1,395+11.9% | Added |
| Public Employees Retirement Association of Colorado | 13,386 | $8.35M | 0.03% | −30.0% | Reduced |
| Quantitative Investment Management, LLC | 13,499 | $8.42M | 0.92% | +10,485+347.9% | Added |
| Capital International Ltd | 13,665 | $8.52M | 0.28% | +55+0.4% | Added |
| Applied Finance Capital Management, LLC | 13,713 | $8.55M | 0.64% | −3,122−18.5% | Reduced |
| Pathstone Holdings, LLC | 13,825 | $8.65M | 0.03% | −2,087−13.1% | Reduced |
| Greenwood Capital Associates LLC | 13,873 | $8.65M | 0.85% | +2,612+23.2% | Added |
| Fagan Associates, Inc. | 13,904 | $8.67M | 1.07% | −8−0.1% | Reduced |
| Colony Group, LLC | 14,043 | $8.76M | 0.01% | −2,398−14.6% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 14,260 | $8.89M | 0.06% | −54−0.4% | Reduced |
| Nomura Holdings Inc | 14,320 | $8.93M | 0.04% | −5,242−26.8% | Reduced |
| South Dakota Investment Council | 14,578 | $9.09M | 0.16% | +2,416+19.9% | Added |
| Charter Trust Co | 14,603 | $9.11M | 0.49% | −111−0.8% | Reduced |
| Cetera Investment Advisers | 14,664 | $9.14M | 0.01% | −1,342−8.4% | Reduced |
| Commonwealth Equity Services, LLC | 14,671 | $9.15M | 0.01% | −1,714−10.5% | Reduced |
| Sierra Summit Advisors LLC | 14,678 | $9.15M | 1.02% | +14,393+5,050.2% | Added |
| Mediolanum International Funds Ltd | 14,754 | $9.32M | 0.08% | −56,455−79.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 15,041 | $9.38M | 0.07% | −559−3.6% | Reduced |
| ASR Vermogensbeheer N.V. | 15,098 | $9.41M | 0.10% | +6,343+72.5% | Added |
| Utah Retirement Systems | 15,346 | $9.57M | 0.09% | −1,146−6.9% | Reduced |
| CenterBook Partners LP | 15,486 | $9.66M | 0.47% | +10,426+206.0% | Added |
| Eurizon Capital SGR S.p.A. | 15,467 | $9.66M | 0.03% | −1,058−6.4% | Reduced |
| British Columbia Investment Management Corp | 15,583 | $9.72M | 0.06% | +1,347+9.5% | Added |
| Aware Super Pty Ltd as trustee of Aware Super | 15,585 | $9.72M | 0.14% | +11,782+309.8% | Added |
| Sector Gamma AS | 15,780 | $9.84M | 2.13% | +15,780 | New |
| Engineers Gate Manager LP | 15,918 | $9.93M | 0.13% | +15,557+4,309.4% | Added |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 16,049 | $10.0M | 0.30% | +1,074+7.2% | Added |
| Ethic Inc. | 16,069 | $10.0M | 0.12% | +1,052+7.0% | Added |
| Greenwich Wealth Management LLC | 16,094 | $10.0M | 0.37% | −80.0% | Reduced |
| Jump Financial, LLC | 16,242 | $10.1M | 0.09% | +16,242 | New |
| North Point Portfolio Managers Corp | 16,403 | $10.2M | 1.69% | −340−2.0% | Reduced |
| Prime Capital Investment Advisors, LLC | 16,572 | $10.3M | 0.10% | +2,656+19.1% | Added |
| New York Life Investment Management LLC | 16,588 | $10.3M | 0.07% | −229−1.4% | Reduced |
| The PNC Financial Services Group, Inc. | 16,662 | $10.4M | 0.01% | −1,564−8.6% | Reduced |
| F/M Investments LLC | 16,783 | $10.5M | 0.53% | −601−3.5% | Reduced |
| Great Lakes Advisors, LLC | 16,928 | $10.6M | 0.08% | +6,696+65.4% | Added |
| Summit Financial, LLC | 17,095 | $10.7M | 0.12% | +629+3.8% | Added |
| State of Alaska, Department of Revenue | 17,215 | $10.7M | 0.11% | −1,148−6.3% | Reduced |
| Hudson Bay Capital Management LP | 17,500 | $10.9M | 0.05% | −14,501−45.3% | Reduced |
| Macquarie Group Ltd | 17,532 | $10.9M | 0.05% | +4,482+34.3% | Added |
| Glenmede Trust Co NA | 17,621 | $11.0M | 0.05% | −438−2.4% | Reduced |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 17,682 | $11.0M | 0.25% | +2,649+17.6% | Added |
| Evergreen Capital Management LLC | 17,761 | $11.1M | 0.19% | +4,671+35.7% | Added |
| Sio Capital Management, LLC | 18,000 | $11.2M | 1.92% | +18,000 | New |
| Xponance, Inc. | 18,063 | $11.3M | 0.07% | +50+0.3% | Added |
| MML Investors Services, LLC | 18,117 | $11.3M | 0.02% | +1,108+6.5% | Added |
| Varma Mutual Pension Insurance Co | 18,488 | $11.5M | 0.06% | +400+2.2% | Added |
| Private Advisor Group, LLC | 18,557 | $11.6M | 0.05% | +1,242+7.2% | Added |
| Amalgamated Bank | 18,682 | $11.6M | 0.08% | −55−0.3% | Reduced |
| Martingale Asset Management L P | 18,953 | $11.8M | 0.28% | +2,092+12.4% | Added |
| Nisa Investment Advisors, LLC | 19,412 | $12.1M | 0.04% | −359−1.8% | Reduced |
| WestEnd Advisors, LLC | 19,419 | $12.1M | 0.27% | −6,194−24.2% | Reduced |
| Beacon Pointe Advisors, LLC | 19,460 | $12.1M | 0.06% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 19,498 | $12.2M | 0.73% | −1,863−8.7% | Reduced |
| Jefferies Financial Group Inc. | 19,740 | $12.3M | 0.11% | +6,259+46.4% | Added |
| SNS Financial Group, LLC | 19,746 | $12.3M | 0.24% | +19,746 | New |
| Schaper Benz & Wise Investment Counsel Inc | 19,928 | $12.4M | 0.83% | +79+0.4% | Added |
| Mercer Global Advisors Inc | 20,126 | $12.5M | 0.02% | +73+0.4% | Added |
| iA Global Asset Management Inc. | 20,154 | $12.6M | 0.15% | −492−2.4% | Reduced |
| Ci Investments Inc. | 20,415 | $12.7M | 0.04% | +8,668+73.8% | Added |
| Woodstock Corp | 20,518 | $12.8M | 1.06% | +663+3.3% | Added |
| USS Investment Management Ltd | 21,035 | $13.1M | 0.05% | +805+4.0% | Added |
| CIBC Bancorp USA Inc. | 21,340 | $13.3M | 0.02% | −3,923−15.5% | Reduced |
| Rockefeller Capital Management L.P. | 21,563 | $13.4M | 0.02% | −6,957−24.4% | Reduced |
| CIBC World Markets Inc. | 21,806 | $13.6M | 0.02% | +18,040+479.0% | Added |
| Steel Peak Wealth Management LLC | 21,939 | $13.7M | 0.36% | +21,939 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 22,070 | $13.8M | 0.07% | −1,411−6.0% | Reduced |
| Oppenheimer & Co Inc | 22,129 | $13.8M | 0.15% | −348−1.5% | Reduced |
| ADAR1 Capital Management, LLC | 22,208 | $13.8M | 0.65% | +10,054+82.7% | Added |
| Intech Investment Management LLC | 22,260 | $13.9M | 0.13% | +12,941+138.9% | Added |
| LMR Partners LLP | 22,306 | $13.9M | 0.10% | +22,163+15,498.6% | Added |
| Walleye Capital LLC | 22,596 | $14.1M | 0.07% | +18,574+461.8% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 22,639 | $14.1M | 0.09% | +6,491+40.2% | Added |
| MetLife Investment Management | 22,880 | $14.3M | 0.06% | −687−2.9% | Reduced |
| Generate Investment Management Ltd | 23,000 | $14.3M | 0.59% | +18,092+368.6% | Added |
| Marshall Wace, LLP | 23,000 | $14.3M | 0.01% | +22,647+6,415.6% | Added |
| IFM Investors Pty Ltd | 24,134 | $15.0M | 0.10% | +3,102+14.7% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 24,190 | $15.1M | 0.13% | +3,619+17.6% | Added |
| GW Henssler & Associates Ltd | 24,326 | $15.2M | 0.67% | +396+1.7% | Added |
| Schroder Investment Management Group | 24,326 | $15.2M | 0.01% | +12,256+101.5% | Added |
| SEB Asset Management AB | 24,531 | $15.3M | 0.06% | +2,834+13.1% | Added |
| Rakuten Investment Management, Inc. | 24,580 | $15.5M | 0.04% | +3,320+15.6% | Added |
| Factory Mutual Insurance Co | 25,400 | $15.8M | 0.15% | −200−0.8% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 33,880 | $15.9M | 0.03% | −3,716−9.9% | Reduced |