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 |
|---|---|---|---|---|---|
| Advisors Capital Management, LLC | 295 | $228.3K | 0.00% | +10+3.5% | Added |
| Private Advisory Group LLC | 297 | $229.5K | 0.02% | +17+6.1% | Added |
| Investment Partners Asset Management, Inc. | 297 | $229.5K | 0.14% | +297 | New |
| Cornerstone Wealth Management, LLC | 300 | $231.8K | 0.01% | −10−3.2% | Reduced |
| TrueWealth Advisors, LLC | 300 | $231.8K | 0.06% | 00.0% | Unchanged |
| Drum Hill Capital, LLC | 300 | $231.8K | 0.21% | 00.0% | Unchanged |
| Dutch Asset Corp | 300 | $231.8K | 0.16% | +300 | New |
| Berger Financial Group, Inc | 300 | $231.8K | 0.01% | −1−0.3% | Reduced |
| Bell Bank | 301 | $232.6K | 0.01% | +1+0.3% | Added |
| Sax Wealth Advisors, LLC | 302 | $233.0K | 0.01% | 00.0% | Unchanged |
| Chicago Trust Co NA | 303 | $234.1K | 0.04% | +303 | New |
| Haverford Trust Co | 304 | $234.9K | 0.00% | −5−1.6% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 305 | $235.7K | 0.08% | −71−18.9% | Reduced |
| Texas Capital Bank Wealth Management Services Inc | 308 | $238.0K | 0.01% | −9−2.8% | Reduced |
| Pacific Sage Partners, LLC | 308 | $238.0K | 0.04% | 00.0% | Unchanged |
| B&L Asset Management LLC | 309 | $238.7K | 0.10% | +47+17.9% | Added |
| Root Financial Partners, LLC | 309 | $238.7K | 0.01% | +253+451.8% | Added |
| Independence Bank of Kentucky | 310 | $239.5K | 0.03% | −5−1.6% | Reduced |
| Purus Wealth Management, LLC | 310 | $239.5K | 0.08% | 00.0% | Unchanged |
| Stevens Capital Management LP | 311 | $240.0K | 0.04% | +311 | New |
| Willner & Heller, LLC | 311 | $240.3K | 0.18% | −68−17.9% | Reduced |
| Income Insurance Ltd | 312 | $241.1K | 0.16% | 00.0% | Unchanged |
| LGT Fund Management Co Ltd. | 314 | $242.6K | 0.01% | −167−34.7% | Reduced |
| National Asset Management, Inc. | 325 | $243.8K | 0.02% | +24+8.0% | Added |
| Choate Investment Advisors | 316 | $244.2K | 0.00% | 00.0% | Unchanged |
| Montecito Bank & Trust | 317 | $244.9K | 0.04% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 318 | $245.7K | 0.01% | −89−21.9% | Reduced |
| XTX Topco Ltd | 319 | $246.5K | 0.00% | +319 | New |
| Alpine Woods Capital Investors, LLC | 320 | $247.2K | 0.06% | 00.0% | Unchanged |
| Penobscot Investment Management Company, Inc. | 320 | $247.2K | 0.02% | 00.0% | Unchanged |
| Stonebridge Capital Management Inc | 320 | $247.2K | 0.11% | +320 | New |
| BlueSky Wealth Advisors, LLC | 320 | $247.2K | 0.03% | +320 | New |
| Sapient Capital LLC | 325 | $251.1K | 0.00% | +325 | New |
| Aspiriant, LLC | 330 | $255.0K | 0.01% | −69−17.3% | Reduced |
| TRB Wealth Management, LLC | 330 | $255.0K | 0.04% | +330 | New |
| Smithfield Trust Co | 332 | $256.0K | 0.01% | −23−6.5% | Reduced |
| Greenline Wealth Management LLC | 332 | $256.5K | 0.30% | +193+138.8% | Added |
| Bartlett & Co. Wealth Management LLC | 362 | $256.7K | 0.00% | +1+0.3% | Added |
| Brevan Howard Capital Management LP | 334 | $258.1K | 0.00% | −19,651−98.3% | Reduced |
| 71 West Capital Partners | 334 | $258.1K | 0.01% | +34+11.3% | Added |
| United Advisor Group, LLC | 335 | $258.9K | 0.03% | +4+1.2% | Added |
| Weiss Asset Management LP | 336 | $259.6K | 0.00% | +336 | New |
| Green Alpha Advisors, LLC | 336 | $259.7K | 0.26% | −45−11.8% | Reduced |
| SmartHarvest Portfolios, LLC | 336 | $259.9K | 0.11% | −82−19.6% | Reduced |
| Americana Partners, LLC | 338 | $261.2K | 0.01% | +338 | New |
| Tribridge Partners Financial LLC | 343 | $261.3K | 0.11% | 00.0% | Unchanged |
| Cromwell Holdings LLC | 342 | $264.2K | 0.15% | 00.0% | Unchanged |
| Simon Quick Advisors, LLC | 347 | $268.1K | 0.01% | −57−14.1% | Reduced |
| Private Capital Advisors, Inc. | 350 | $270.4K | 0.03% | 00.0% | Unchanged |
| GLR Partners, LLC | 350 | $270.4K | 0.15% | +350 | New |
| Marshall Wace, LLP | 353 | $272.7K | 0.00% | −478,198−99.9% | Reduced |
| AXA S.A. | 353 | $272.7K | 0.11% | +353 | New |
| Opal Wealth Advisors, LLC | 354 | $273.6K | 0.06% | +11+3.2% | Added |
| Cambria Investment Management, L.P. | 355 | $274.3K | 0.02% | −170−32.4% | Reduced |
| Defiance ETFs, LLC | 355 | $274.3K | 0.00% | +355 | New |
| Seelaus Asset Management LLC | 356 | $275.1K | 0.20% | +356 | New |
| Bouchey Financial Group Ltd | 359 | $275.7K | 0.02% | +29+8.8% | Added |
| Inscription Capital, LLC | 357 | $276.1K | 0.03% | +12+3.5% | Added |
| Riversedge Advisors, LLC | 359 | $277.4K | 0.04% | −12−3.2% | Reduced |
| Cora Capital Advisors LLC | 359 | $277.4K | 0.09% | +95+36.0% | Added |
| SevenBridge Financial Group, LLC | 372 | $277.7K | 0.04% | 00.0% | Unchanged |
| Prosperity Consulting Group, LLC | 360 | $278.1K | 0.01% | +20+5.9% | Added |
| Engineers Gate Manager LP | 361 | $278.9K | 0.00% | −9,246−96.2% | Reduced |
| Optas, LLC | 362 | $279.7K | 0.04% | −3−0.8% | Reduced |
| Aprio Wealth Management, LLC | 364 | $281.5K | 0.02% | +91+33.3% | Added |
| Quent Capital, LLC | 366 | $282.4K | 0.02% | −112−23.4% | Reduced |
| Phraction Management LLC | 367 | $283.6K | 0.07% | 00.0% | Unchanged |
| MMBG Investment Advisors Co. | 370 | $285.9K | 0.03% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 373 | $287.0K | 0.00% | +120+47.4% | Added |
| Perennial Investment Advisors, LLC | 375 | $289.0K | 0.02% | +14+3.9% | Added |
| E Fund Management (Hong Kong) Co., Ltd. | 374 | $289.0K | 0.13% | +27+7.8% | Added |
| Family Wealth Partners, LLC | 375 | $289.7K | 0.10% | +48+14.7% | Added |
| Ascent Group, LLC | 377 | $291.3K | 0.01% | +75+24.8% | Added |
| Flatrock Wealth Partners LLC | 377 | $291.5K | 0.13% | +24+6.8% | Added |
| Triumph Capital Management | 379 | $293.0K | 0.06% | +18+5.0% | Added |
| Rock Point Advisors, LLC | 380 | $293.6K | 0.08% | 00.0% | Unchanged |
| Petersen Hastings Wealth Advisors Inc. | 380 | $293.6K | 0.03% | 00.0% | Unchanged |
| Anchyra Partners LLC | 381 | $294.4K | 0.09% | −6−1.6% | Reduced |
| Papamarkou Wellner Asset Management inc. | 382 | $295.1K | 0.18% | 00.0% | Unchanged |
| Gladstone Institutional Advisory LLC | 383 | $295.9K | 0.01% | +23+6.4% | Added |
| Focused Wealth Management, Inc | 384 | $296.5K | 0.03% | +384 | New |
| Adirondack Trust Co | 384 | $296.7K | 0.10% | +4+1.1% | Added |
| Gradient Capital Advisors, LLC | 384 | $296.7K | 0.08% | 00.0% | Unchanged |
| Keel Point, LLC | 385 | $297.5K | 0.02% | −158−29.1% | Reduced |
| CX Institutional | 386 | $298.0K | 0.01% | +12+3.2% | Added |
| LifeGoal Wealth Advisors | 385 | $299.2K | 0.17% | +385 | New |
| VestGen Advisors, LLC | 414 | $299.6K | 0.01% | −1,236−74.9% | Reduced |
| Patton Fund Management, Inc. | 391 | $302.1K | 0.05% | +391 | New |
| Klingman & Associates, LLC | 391 | $302.1K | 0.01% | +9+2.4% | Added |
| Stratos Wealth Partners, LTD. | 391 | $302.1K | 0.00% | +25+6.8% | Added |
| Groupe la Francaise | 442 | $302.6K | 0.00% | −2,806−86.4% | Reduced |
| Lombard Odier Asset Management (USA) Corp | 395 | $305.2K | 0.16% | +395 | New |
| Adviser Investments LLC | 398 | $307.5K | 0.00% | −2−0.5% | Reduced |
| Fukoku Mutual Life Insurance Co | 399 | $308.3K | 0.02% | 00.0% | Unchanged |
| Physicians Financial Services, Inc. | 400 | $309.0K | 0.08% | 00.0% | Unchanged |
| Persistent Asset Partners Ltd | 400 | $309.1K | 0.12% | −2,331−85.4% | Reduced |
| Waterloo Capital, L.P. | 401 | $310.0K | 0.02% | −344−46.2% | Reduced |
| Symphony Financial, Ltd. Co. | 404 | $311.8K | 0.04% | +96+31.2% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 404 | $312.1K | 0.02% | −98−19.5% | Reduced |
| Alta Advisers Ltd | 407 | $314.5K | 0.11% | 00.0% | Unchanged |