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 |
|---|---|---|---|---|---|
| Physicians Financial Services, Inc. | 400 | $249.0K | 0.06% | 00.0% | Unchanged |
| Wealth Group, Ltd. | 400 | $249.0K | 0.06% | +400 | New |
| Fukoku Mutual Life Insurance Co | 399 | $248.8K | 0.01% | 00.0% | Unchanged |
| Level Four Advisory Services, LLC | 396 | $246.9K | 0.01% | −499−55.8% | Reduced |
| Defiance ETFs, LLC | 394 | $246.1K | 0.00% | +39+11.0% | Added |
| Kovack Advisors, Inc. | 392 | $244.8K | 0.01% | −349−47.1% | Reduced |
| Sax Wealth Advisors, LLC | 316 | $244.4K | 0.01% | +14+4.6% | Added |
| Riversedge Advisors, LLC | 390 | $243.2K | 0.03% | +31+8.6% | Added |
| Hirtle Callaghan & Co LLC | 390 | $243.2K | 0.01% | +390 | New |
| Marex Group plc | 389 | $242.6K | 0.00% | −1,350−77.6% | Reduced |
| CX Institutional | 385 | $240.0K | 0.01% | −1−0.3% | Reduced |
| Klingman & Associates, LLC | 384 | $239.4K | 0.01% | −7−1.8% | Reduced |
| Gradient Capital Advisors, LLC | 384 | $239.4K | 0.06% | 00.0% | Unchanged |
| Gladstone Institutional Advisory LLC | 383 | $238.8K | 0.01% | 00.0% | Unchanged |
| Papamarkou Wellner Asset Management inc. | 382 | $238.2K | 0.15% | 00.0% | Unchanged |
| Petersen Hastings Wealth Advisors Inc. | 381 | $237.6K | 0.02% | +1+0.3% | Added |
| Rock Point Advisors, LLC | 380 | $236.9K | 0.06% | 00.0% | Unchanged |
| Great Valley Advisor Group, Inc. | 379 | $235.9K | 0.00% | +379 | New |
| Kera Capital Partners, Inc. | 377 | $235.1K | 0.02% | −216−36.4% | Reduced |
| Gateway Investment Advisers LLC | 375 | $233.8K | 0.00% | −404−51.9% | Reduced |
| Adirondack Trust Co | 375 | $233.8K | 0.07% | −9−2.3% | Reduced |
| Stratos Wealth Partners, LTD. | 372 | $232.3K | 0.00% | −19−4.9% | Reduced |
| Flatrock Wealth Partners LLC | 372 | $232.2K | 0.09% | −5−1.3% | Reduced |
| Advisors Capital Management, LLC | 371 | $231.6K | 0.00% | +76+25.8% | Added |
| MMBG Investment Advisors Co. | 370 | $230.7K | 0.02% | 00.0% | Unchanged |
| SmartHarvest Portfolios, LLC | 368 | $229.7K | 0.07% | +32+9.5% | Added |
| Phraction Management LLC | 367 | $228.8K | 0.06% | 00.0% | Unchanged |
| Intrust Bank NA | 364 | $227.0K | 0.02% | −259−41.6% | Reduced |
| Bartlett & Co. Wealth Management LLC | 363 | $226.3K | 0.00% | +1+0.3% | Added |
| Swiss Re Ltd | 362 | $225.7K | 0.02% | +337+1,348.0% | Added |
| HBK Sorce Advisory LLC | 292 | $224.7K | 0.00% | +292 | New |
| Private Wealth Partners, LLC | 360 | $224.5K | 0.02% | −1,735−82.8% | Reduced |
| Bouchey Financial Group Ltd | 359 | $223.9K | 0.01% | 00.0% | Unchanged |
| Perennial Investment Advisors, LLC | 360 | $223.9K | 0.01% | −15−4.0% | Reduced |
| Arvest Bank Trust Division | 358 | $223.2K | 0.01% | −130−26.6% | Reduced |
| Claret Asset Management Corp | 357 | $223.0K | 0.02% | −82−18.7% | Reduced |
| Cora Capital Advisors LLC | 356 | $222.0K | 0.06% | −3−0.8% | Reduced |
| Catalyst Financial Partners LLC | 355 | $221.4K | 0.02% | −107−23.2% | Reduced |
| PEAK6 LLC | 355 | $221.1K | 0.01% | −2,600−88.0% | Reduced |
| Fielder Capital Group LLC | 354 | $220.7K | 0.05% | −144−28.9% | Reduced |
| Tribridge Partners Financial LLC | 330 | $220.2K | 0.09% | −13−3.8% | Reduced |
| Private Capital Advisors, Inc. | 350 | $218.2K | 0.02% | 00.0% | Unchanged |
| GLR Partners, LLC | 350 | $218.2K | 0.10% | 00.0% | Unchanged |
| Keel Point, LLC | 348 | $217.0K | 0.01% | −37−9.6% | Reduced |
| Optas, LLC | 347 | $216.4K | 0.03% | −15−4.1% | Reduced |
| Eads & Heald Wealth Management | 345 | $215.1K | 0.11% | +345 | New |
| Versant Capital Management, Inc | 344 | $214.5K | 0.02% | −68−16.5% | Reduced |
| Cromwell Holdings LLC | 342 | $213.3K | 0.10% | 00.0% | Unchanged |
| Green Alpha Advisors, LLC | 341 | $212.7K | 0.14% | +5+1.5% | Added |
| Anchyra Partners LLC | 341 | $212.6K | 0.05% | −40−10.5% | Reduced |
| Opal Wealth Advisors, LLC | 340 | $212.1K | 0.05% | −14−4.0% | Reduced |
| Waterloo Capital, L.P. | 339 | $211.5K | 0.01% | −62−15.5% | Reduced |
| Turtle Creek Wealth Advisors, LLC | 339 | $211.4K | 0.01% | −115−25.3% | Reduced |
| Rooted Wealth Advisors, Inc. | 339 | $211.2K | 0.05% | +339 | New |
| GK Wealth Management LLC | 337 | $210.1K | 0.13% | +337 | New |
| United Advisor Group, LLC | 335 | $209.0K | 0.02% | 00.0% | Unchanged |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 335 | $208.9K | 0.06% | +30+9.8% | Added |
| Morse Asset Management, Inc | 334 | $208.3K | 0.03% | −563−62.8% | Reduced |
| Independence Bank of Kentucky | 332 | $207.0K | 0.02% | +22+7.1% | Added |
| Morgan Creek Capital Management, LLC | 332 | $207.0K | 0.14% | +332 | New |
| TRB Wealth Management, LLC | 330 | $205.8K | 0.03% | 00.0% | Unchanged |
| Ascent Group, LLC | 329 | $205.2K | 0.01% | −48−12.7% | Reduced |
| Texas Capital Bank Wealth Management Services Inc | 329 | $205.1K | 0.01% | +21+6.8% | Added |
| S Harris Financial Group, LLC | 327 | $204.2K | 0.16% | +57+21.1% | Added |
| McLean Asset Management Corp | 267 | $203.6K | 0.03% | −5−1.8% | Reduced |
| Smithfield Trust Co | 323 | $202.0K | 0.01% | −9−2.7% | Reduced |
| Penserra Capital Management LLC | 323 | $200.0K | 0.00% | −50−13.4% | Reduced |
| CoreCap Advisors, LLC | 315 | $196.5K | 0.01% | −97−23.5% | Reduced |
| Quent Capital, LLC | 312 | $194.3K | 0.01% | −54−14.8% | Reduced |
| SBI Securities Co., Ltd. | 305 | $190.2K | 0.00% | −13−4.1% | Reduced |
| Rexford Capital Inc | 294 | $183.3K | 0.11% | 00.0% | Unchanged |
| Onefund, LLC | 275 | $171.5K | 0.10% | −3−1.1% | Reduced |
| Whittier Trust Co | 262 | $170.3K | 0.00% | 00.0% | Unchanged |
| Aventura Private Wealth, LLC | 267 | $166.5K | 0.05% | −22−7.6% | Reduced |
| Ninety One UK Ltd | 267 | $166.5K | 0.00% | +267 | New |
| Kelly Lawrence W & Associates Inc | 263 | $164.0K | 0.04% | 00.0% | Unchanged |
| Vanguard National Trust Co | 256 | $159.6K | 0.01% | +220+611.1% | Added |
| Banque Transatlantique SA | 254 | $158.9K | 0.00% | 00.0% | Unchanged |
| Estabrook Capital Management | 250 | $155.9K | 0.02% | 00.0% | Unchanged |
| Private Trust Co NA | 248 | $154.6K | 0.01% | +1+0.4% | Added |
| Syntax Research, Inc. | 245 | $152.8K | 0.11% | 00.0% | Unchanged |
| Vision Retirement, LLC | 243 | $151.6K | 0.04% | 00.0% | Unchanged |
| Rossby Financial, LCC | 242 | $150.9K | 0.03% | +116+92.1% | Added |
| Murphy & Mullick Capital Management Corp | 240 | $149.7K | 0.09% | −36−13.0% | Reduced |
| AdvisorNet Financial, Inc | 219 | $136.7K | 0.01% | +84+62.2% | Added |
| True Wealth Design, LLC | 210 | $130.9K | 0.03% | −9−4.1% | Reduced |
| Key Financial Inc | 210 | $130.9K | 0.02% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 203 | $126.6K | 0.02% | −20−9.0% | Reduced |
| Provenance Wealth Advisors, LLC | 201 | $125.3K | 0.01% | +1+0.5% | Added |
| Centaurus Financial, Inc. | 195 | $122.0K | 0.00% | 00.0% | Unchanged |
| Financial Perspectives, Inc | 191 | $119.1K | 0.03% | 00.0% | Unchanged |
| Steigerwald, Gordon & Koch Inc. | 185 | $115.4K | 0.01% | +175+1,750.0% | Added |
| Custom Index Systems, LLC | 182 | $113.5K | 0.04% | +182 | New |
| Anchor Investment Management, LLC | 181 | $112.9K | 0.01% | −3−1.6% | Reduced |
| Westside Investment Management, Inc. | 181 | $112.9K | 0.01% | −1−0.5% | Reduced |
| Corient IA LLC | 180 | $112.2K | 0.10% | 00.0% | Unchanged |
| Gen-Wealth Partners Inc | 172 | $107.4K | 0.03% | −12−6.5% | Reduced |
| Parkside Financial Bank & Trust | 167 | $104.1K | 0.01% | −27−13.9% | Reduced |
| Cary Street Partners Financial LLC | 162 | $101.0K | 0.00% | 00.0% | Unchanged |
| Hara Capital LLC | 161 | $100.4K | 0.05% | 00.0% | Unchanged |