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; 1,341 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
- 1,341
- −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
- 542 more reduced
16 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 | 1,341 | $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 |
|---|---|---|---|---|---|
| Tribridge Partners Financial LLC | 330 | $220.2K | 0.09% | −13−3.8% | Reduced |
| Fielder Capital Group LLC | 354 | $220.7K | 0.05% | −144−28.9% | Reduced |
| PEAK6 LLC | 355 | $221.1K | 0.01% | −2,600−88.0% | Reduced |
| Catalyst Financial Partners LLC | 355 | $221.4K | 0.02% | −107−23.2% | Reduced |
| Cora Capital Advisors LLC | 356 | $222.0K | 0.06% | −3−0.8% | Reduced |
| Claret Asset Management Corp | 357 | $223.0K | 0.02% | −82−18.7% | Reduced |
| Arvest Bank Trust Division | 358 | $223.2K | 0.01% | −130−26.6% | Reduced |
| Perennial Investment Advisors, LLC | 360 | $223.9K | 0.01% | −15−4.0% | Reduced |
| Bouchey Financial Group Ltd | 359 | $223.9K | 0.01% | 00.0% | Unchanged |
| Private Wealth Partners, LLC | 360 | $224.5K | 0.02% | −1,735−82.8% | Reduced |
| HBK Sorce Advisory LLC | 292 | $224.7K | 0.00% | +292 | New |
| Swiss Re Ltd | 362 | $225.7K | 0.02% | +337+1,348.0% | Added |
| Bartlett & Co. Wealth Management LLC | 363 | $226.3K | 0.00% | +1+0.3% | Added |
| Intrust Bank NA | 364 | $227.0K | 0.02% | −259−41.6% | Reduced |
| Phraction Management LLC | 367 | $228.8K | 0.06% | 00.0% | Unchanged |
| SmartHarvest Portfolios, LLC | 368 | $229.7K | 0.07% | +32+9.5% | Added |
| MMBG Investment Advisors Co. | 370 | $230.7K | 0.02% | 00.0% | Unchanged |
| Advisors Capital Management, LLC | 371 | $231.6K | 0.00% | +76+25.8% | Added |
| Flatrock Wealth Partners LLC | 372 | $232.2K | 0.09% | −5−1.3% | Reduced |
| Stratos Wealth Partners, LTD. | 372 | $232.3K | 0.00% | −19−4.9% | Reduced |
| Adirondack Trust Co | 375 | $233.8K | 0.07% | −9−2.3% | Reduced |
| Gateway Investment Advisers LLC | 375 | $233.8K | 0.00% | −404−51.9% | Reduced |
| Kera Capital Partners, Inc. | 377 | $235.1K | 0.02% | −216−36.4% | Reduced |
| Great Valley Advisor Group, Inc. | 379 | $235.9K | 0.00% | +379 | New |
| Rock Point Advisors, LLC | 380 | $236.9K | 0.06% | 00.0% | Unchanged |
| Petersen Hastings Wealth Advisors Inc. | 381 | $237.6K | 0.02% | +1+0.3% | Added |
| Papamarkou Wellner Asset Management inc. | 382 | $238.2K | 0.15% | 00.0% | Unchanged |
| Gladstone Institutional Advisory LLC | 383 | $238.8K | 0.01% | 00.0% | Unchanged |
| Gradient Capital Advisors, LLC | 384 | $239.4K | 0.06% | 00.0% | Unchanged |
| Klingman & Associates, LLC | 384 | $239.4K | 0.01% | −7−1.8% | Reduced |
| CX Institutional | 385 | $240.0K | 0.01% | −1−0.3% | Reduced |
| Marex Group plc | 389 | $242.6K | 0.00% | −1,350−77.6% | Reduced |
| Riversedge Advisors, LLC | 390 | $243.2K | 0.03% | +31+8.6% | Added |
| Hirtle Callaghan & Co LLC | 390 | $243.2K | 0.01% | +390 | New |
| Sax Wealth Advisors, LLC | 316 | $244.4K | 0.01% | +14+4.6% | Added |
| Kovack Advisors, Inc. | 392 | $244.8K | 0.01% | −349−47.1% | Reduced |
| Defiance ETFs, LLC | 394 | $246.1K | 0.00% | +39+11.0% | Added |
| Level Four Advisory Services, LLC | 396 | $246.9K | 0.01% | −499−55.8% | Reduced |
| Fukoku Mutual Life Insurance Co | 399 | $248.8K | 0.01% | 00.0% | Unchanged |
| Physicians Financial Services, Inc. | 400 | $249.0K | 0.06% | 00.0% | Unchanged |
| Wealth Group, Ltd. | 400 | $249.0K | 0.06% | +400 | New |
| Prosperity Consulting Group, LLC | 402 | $250.7K | 0.01% | +42+11.7% | Added |
| Bridgewater Advisors Inc. | 340 | $251.8K | 0.01% | +21+6.6% | Added |
| Alta Advisers Ltd | 407 | $253.8K | 0.06% | 00.0% | Unchanged |
| Centiva Capital, LP | 408 | $254.4K | 0.01% | −14,202−97.2% | Reduced |
| Deroy & Devereaux Private Investment Counsel Inc | 410 | $256.0K | 0.01% | 00.0% | Unchanged |
| MQS Management LLC | 412 | $256.9K | 0.31% | +121+41.6% | Added |
| Triumph Capital Management | 414 | $258.3K | 0.05% | +35+9.2% | Added |
| Forefront Analytics, LLC | 415 | $258.8K | 0.28% | −45−9.8% | Reduced |
| PDS Planning, Inc | 416 | $259.4K | 0.02% | −45−9.8% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 417 | $260.0K | 0.01% | +13+3.2% | Added |
| Elwood & Goetz Wealth Advisory Group, LLC | 418 | $260.6K | 0.04% | −5−1.2% | Reduced |
| National Asset Management, Inc. | 414 | $261.3K | 0.01% | +89+27.4% | Added |
| McIntyre Freedman & Flynn Investment Advisers Inc | 426 | $265.6K | 0.16% | 00.0% | Unchanged |
| New World Advisors LLC | 427 | $266.3K | 0.05% | +427 | New |
| Camden Capital, LLC | 428 | $266.6K | 0.01% | −91−17.5% | Reduced |
| RMB Capital Management, LLC | 429 | $267.3K | 0.00% | −1,391−76.4% | Reduced |
| 1248 Management, LLC | 430 | $268.1K | 0.10% | −483−52.9% | Reduced |
| Guardian Wealth Advisors, LLC | 430 | $268.1K | 0.02% | −13−2.9% | Reduced |
| Howe & Rusling Inc | 431 | $268.5K | 0.02% | +15+3.6% | Added |
| Great Diamond Partners, LLC | 431 | $268.7K | 0.05% | −53−11.0% | Reduced |
| Conning Inc. | 432 | $269.4K | 0.01% | −29−6.3% | Reduced |
| Apriem Advisors | 434 | $270.6K | 0.02% | −7,722−94.7% | Reduced |
| NBC Securities, Inc. | 435 | $271.2K | 0.02% | −1−0.2% | Reduced |
| Chesley Taft & Associates LLC | 439 | $273.7K | 0.01% | +2+0.5% | Added |
| Alliance Wealth Advisors, LLC | 442 | $275.6K | 0.05% | −235−34.7% | Reduced |
| Aviso Wealth Management | 442 | $275.6K | 0.11% | −18−3.9% | Reduced |
| Everpar Advisors LLC | 445 | $277.5K | 0.08% | −98−18.0% | Reduced |
| Colonial River Wealth Management, LLC | 445 | $277.5K | 0.08% | −58−11.5% | Reduced |
| Bradley Foster & Sargent Inc | 447 | $278.7K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 447 | $279.0K | 0.00% | +4+0.9% | Added |
| SevenBridge Financial Group, LLC | 359 | $281.6K | 0.04% | −13−3.5% | Reduced |
| Bingham Private Wealth, LLC | 456 | $284.3K | 0.20% | +2+0.4% | Added |
| Checchi Capital Advisers, LLC | 457 | $285.0K | 0.02% | −138−23.2% | Reduced |
| Wealth Alliance | 461 | $287.7K | 0.02% | −24−4.9% | Reduced |
| Landscape Capital Management, L.L.C. | 464 | $289.3K | 0.02% | −3,471−88.2% | Reduced |
| Aspiriant, LLC | 465 | $289.9K | 0.01% | +135+40.9% | Added |
| Johnson Investment Counsel Inc | 468 | $291.6K | 0.00% | −10−2.1% | Reduced |
| Avail Investment Partners, LLC | 470 | $293.1K | 0.23% | +209+80.1% | Added |
| SCS Capital Management LLC | 471 | $294.0K | 0.00% | 00.0% | Unchanged |
| American Alpha Advisors, LLC | 476 | $296.8K | 0.18% | +8+1.7% | Added |
| Greykasell Wealth Strategies, Inc. | 478 | $297.9K | 0.11% | 00.0% | Unchanged |
| OneAscent Family Office, LLC | 481 | $299.9K | 0.15% | +481 | New |
| Greenbush Financial Group, LLC | 483 | $301.0K | 0.09% | −6−1.2% | Reduced |
| Investment Research Partners LLC | 483 | $301.2K | 0.10% | +199+70.1% | Added |
| Abundance Wealth Counselors | 488 | $304.3K | 0.02% | −161−24.8% | Reduced |
| Plimoth Trust Co LLC | 491 | $306.2K | 0.06% | −22−4.3% | Reduced |
| Old National Bancorp | 493 | $307.4K | 0.01% | −21−4.1% | Reduced |
| Adviser Investments LLC | 493 | $307.4K | 0.00% | +95+23.9% | Added |
| Invera Wealth Advisors, LLC | 493 | $307.4K | 0.16% | +493 | New |
| Resonant Capital Advisors, LLC | 495 | $308.7K | 0.01% | −6−1.2% | Reduced |
| Uhlmann Price Securities, LLC | 496 | $309.3K | 0.01% | +60+13.8% | Added |
| Paces Ferry Wealth Advisors, LLC | 497 | $309.9K | 0.12% | −13−2.5% | Reduced |
| Telos Capital Management, Inc. | 497 | $309.9K | 0.03% | +15+3.1% | Added |
| Alpine Fox Capital LLC | 500 | $311.8K | 0.18% | −500−50.0% | Reduced |
| Westbourne Investments, Inc. | 500 | $311.8K | 0.13% | 00.0% | Unchanged |
| Dempze Nancy E | 500 | $311.8K | 0.15% | 00.0% | Unchanged |
| Arista Wealth Management, LLC | 500 | $311.8K | 0.03% | 00.0% | Unchanged |
| Flower City Capital | 500 | $311.8K | 0.14% | +500 | New |
| Seelaus Asset Management LLC | 501 | $312.4K | 0.22% | +145+40.7% | Added |