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