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 |
|---|---|---|---|---|---|
| Generali Asset Management SPA SGR | 7,504 | $5.80M | 0.12% | −162−2.1% | Reduced |
| GWM Advisors LLC | 7,610 | $5.88M | 0.02% | −2,310−23.3% | Reduced |
| Perigon Wealth Management, LLC | 7,680 | $5.93M | 0.11% | −156−2.0% | Reduced |
| Atlas Capital Advisors LLC | 7,758 | $5.99M | 0.69% | 00.0% | Unchanged |
| Third View Private Wealth, LLC | 7,777 | $6.01M | 0.82% | +628+8.8% | Added |
| Pavaki Capital Management LLC | 7,900 | $6.10M | 4.29% | −11,500−59.3% | Reduced |
| Harvest Fund Management Co., Ltd | 7,917 | $6.11M | 0.26% | −37−0.5% | Reduced |
| Investment Management Corp of Ontario | 7,964 | $6.15M | 0.08% | −1,242−13.5% | Reduced |
| Gulf International Bank (UK) Ltd | 7,986 | $6.17M | 0.14% | +2,637+49.3% | Added |
| Ellerson Group Inc | 8,079 | $6.24M | 4.09% | +44+0.5% | Added |
| Apriem Advisors | 8,156 | $6.30M | 0.60% | −428−5.0% | Reduced |
| Omers Administration Corp | 8,179 | $6.32M | 0.04% | +1,385+20.4% | Added |
| Founders Capital Management, LLC | 8,203 | $6.34M | 1.04% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 8,244 | $6.37M | 0.05% | 00.0% | Unchanged |
| Hudson Capital Management LLC | 8,255 | $6.38M | 1.65% | +448+5.7% | Added |
| Evergreen Wealth Management, LLC | 8,344 | $6.45M | 3.33% | −1,479−15.1% | Reduced |
| Wealthfront Advisers LLC | 8,344 | $6.45M | 0.01% | +202+2.5% | Added |
| Dana Investment Advisors, Inc. | 8,397 | $6.49M | 0.19% | +20.0% | Added |
| Cardinal Capital Management | 8,436 | $6.52M | 0.84% | +30+0.4% | Added |
| Thrivent Financial for Lutherans | 8,440 | $6.52M | 0.01% | +691+8.9% | Added |
| AIA Group Ltd | 8,460 | $6.54M | 0.10% | +1,052+14.2% | Added |
| Fiduciary Trust Co | 8,478 | $6.55M | 0.08% | +12+0.1% | Added |
| UniSuper Management Pty Ltd | 8,577 | $6.63M | 0.04% | −62−0.7% | Reduced |
| Stratos Wealth Advisors, LLC | 8,695 | $6.72M | 0.41% | +222+2.6% | Added |
| Wealthspire Advisors, LLC | 8,706 | $6.73M | 0.05% | +5,463+168.5% | Added |
| ASR Vermogensbeheer N.V. | 8,755 | $6.76M | 0.08% | +1,918+28.1% | Added |
| Voleon Capital Management LP | 8,873 | $6.86M | 0.15% | −737−7.7% | Reduced |
| Callan Family Office, LLC | 9,036 | $6.98M | 0.16% | −56−0.6% | Reduced |
| DCF Advisers, LLC | 9,250 | $7.15M | 2.69% | −750−7.5% | Reduced |
| Federation des caisses Desjardins du Quebec | 9,252 | $7.15M | 0.03% | +2,163+30.5% | Added |
| Cinctive Capital Management LP | 9,278 | $7.17M | 0.47% | +2,935+46.3% | Added |
| Intech Investment Management LLC | 9,319 | $7.20M | 0.07% | +2,314+33.0% | Added |
| Yousif Capital Management, LLC | 9,398 | $7.26M | 0.09% | −308−3.2% | Reduced |
| Osprey Private Wealth LLC | 9,439 | $7.29M | 2.11% | +4,404+87.5% | Added |
| AIMZ Investment Advisors, LLC | 9,491 | $7.33M | 2.27% | −158−1.6% | Reduced |
| Westpac Banking Corp | 9,604 | $7.42M | 0.52% | +2,716+39.4% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 9,684 | $7.48M | 0.02% | +328+3.5% | Added |
| Leuthold Group, LLC | 9,780 | $7.56M | 0.80% | +341+3.6% | Added |
| Summit Global Investments | 9,804 | $7.58M | 0.45% | −18−0.2% | Reduced |
| Beacon Investment Advisory Services, Inc. | 9,812 | $7.58M | 0.32% | −263−2.6% | Reduced |
| NorthCrest Asset Manangement, LLC | 10,024 | $7.64M | 0.24% | −2,758−21.6% | Reduced |
| Banque Pictet & Cie SA | 9,893 | $7.64M | 0.09% | −1,929−16.3% | Reduced |
| Harvey Capital Management Inc | 9,976 | $7.71M | 1.76% | −222−2.2% | Reduced |
| Norinchukin Bank, The | 9,979 | $7.71M | 0.09% | +347+3.6% | Added |
| Rock Springs Capital Management LP | 10,100 | $7.80M | 0.46% | 00.0% | Unchanged |
| Horizon Investments, LLC | 10,129 | $7.83M | 0.09% | +6,237+160.3% | Added |
| Great Lakes Advisors, LLC | 10,232 | $7.91M | 0.07% | +8,399+458.2% | Added |
| Jacobs & Co | 10,277 | $7.94M | 0.78% | −49−0.5% | Reduced |
| Anchor Capital Advisors LLC | 10,298 | $7.96M | 0.23% | −2,201−17.6% | Reduced |
| Profund Advisors LLC | 10,332 | $7.98M | 0.29% | −2,328−18.4% | Reduced |
| Walleye Trading LLC | 10,390 | $8.03M | 0.17% | −2,482−19.3% | Reduced |
| Oak Associates, Ltd | 10,560 | $8.16M | 0.55% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 10,702 | $8.27M | 0.09% | −101−0.9% | Reduced |
| Kimelman & Baird, LLC | 10,856 | $8.39M | 0.69% | +10,542+3,357.3% | Added |
| Clear Harbor Asset Management, LLC | 10,875 | $8.40M | 0.58% | +311+2.9% | Added |
| Biondo Investment Advisors, LLC | 10,892 | $8.42M | 1.08% | +219+2.1% | Added |
| Simplify Asset Management Inc. | 10,900 | $8.42M | 0.13% | −20,253−65.0% | Reduced |
| Allstate Corp | 10,953 | $8.46M | 0.09% | +3,289+42.9% | Added |
| Hunter Perkins Capital Management, LLC | 10,987 | $8.49M | 1.99% | +100+0.9% | Added |
| Massmutual Trust Co FSB | 11,000 | $8.50M | 0.23% | −103−0.9% | Reduced |
| Trexquant Investment LP | 11,072 | $8.55M | 0.06% | +7,669+225.4% | Added |
| Slow Capital, Inc. | 11,217 | $8.67M | 1.13% | −319−2.8% | Reduced |
| Greenwood Capital Associates LLC | 11,261 | $8.70M | 0.96% | −267−2.3% | Reduced |
| Avanza Fonder AB | 11,334 | $8.76M | 0.24% | −853−7.0% | Reduced |
| Atria Investments LLC | 11,461 | $8.86M | 0.10% | +29+0.3% | Added |
| Oregon Public Employees Retirement Fund | 11,558 | $8.93M | 0.12% | 00.0% | Unchanged |
| Vestor Capital, LLC | 11,655 | $9.01M | 0.65% | +9,654+482.5% | Added |
| Lido Advisors, LLC | 11,739 | $9.07M | 0.04% | −1,678−12.5% | Reduced |
| Ci Investments Inc. | 11,747 | $9.08M | 0.04% | +154+1.3% | Added |
| Capital International Inc | 11,759 | $9.09M | 0.07% | −744−6.0% | Reduced |
| Calamos Advisors LLC | 11,793 | $9.11M | 0.04% | 00.0% | Unchanged |
| Elo Mutual Pension Insurance Co | 11,849 | $9.16M | 0.15% | −1,112−8.6% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 11,900 | $9.19M | 0.07% | −3,000−20.1% | Reduced |
| Louisiana State Employees Retirement System | 11,900 | $9.19M | 0.16% | −100−0.8% | Reduced |
| Schroder Investment Management Group | 12,070 | $9.33M | 0.01% | +2,359+24.3% | Added |
| Ossiam | 12,103 | $9.35M | 0.16% | −2,587−17.6% | Reduced |
| ADAR1 Capital Management, LLC | 12,154 | $9.39M | 0.56% | +103+0.9% | Added |
| South Dakota Investment Council | 12,162 | $9.40M | 0.18% | −800−6.2% | Reduced |
| Jones Financial Companies LLLP | 12,763 | $9.42M | 0.00% | +9,630+307.4% | Added |
| Marietta Wealth Management, LLC | 12,209 | $9.43M | 1.12% | +49+0.4% | Added |
| Advisor Group Holdings, Inc. | 12,238 | $9.46M | 0.01% | +439+3.7% | Added |
| Assetmark, Inc | 12,316 | $9.52M | 0.02% | +1,036+9.2% | Added |
| JustInvest LLC | 12,633 | $9.76M | 0.10% | +660+5.5% | Added |
| Thompson Siegel & Walmsley LLC | 12,676 | $9.79M | 0.17% | +769+6.5% | Added |
| Sterling Capital Management LLC | 12,738 | $9.84M | 0.19% | +703+5.8% | Added |
| Macquarie Group Ltd | 13,050 | $10.1M | 0.06% | −20,767−61.4% | Reduced |
| Janney Montgomery Scott LLC | 13,078 | $10.1M | 0.03% | +1,845+16.4% | Added |
| Evergreen Capital Management LLC | 13,090 | $10.1M | 0.22% | +6,889+111.1% | Added |
| O'Shaughnessy Asset Management, LLC | 13,256 | $10.2M | 0.05% | +2,761+26.3% | Added |
| Pinebridge Investments LLC | 13,307 | $10.3M | 0.09% | +1,852+16.2% | Added |
| Public Employees Retirement Association of Colorado | 13,389 | $10.3M | 0.04% | −34−0.3% | Reduced |
| Jefferies Financial Group Inc. | 13,481 | $10.4M | 0.13% | +7,596+129.1% | Added |
| Capital International Ltd | 13,610 | $10.5M | 0.39% | 00.0% | Unchanged |
| Fagan Associates, Inc. | 13,912 | $10.7M | 1.49% | −19−0.1% | Reduced |
| Prime Capital Investment Advisors, LLC | 13,916 | $10.8M | 0.12% | +1,133+8.9% | Added |
| OP Asset Management Ltd | 14,139 | $10.9M | 0.11% | +2,424+20.7% | Added |
| Univest Financial Corp | 14,206 | $11.0M | 0.62% | −5,194−26.8% | Reduced |
| British Columbia Investment Management Corp | 14,236 | $11.0M | 0.07% | −4,249−23.0% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 14,314 | $11.1M | 0.09% | +257+1.8% | Added |
| Vinva Investment Management Ltd | 14,862 | $11.1M | 0.14% | +972+7.0% | Added |