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 |
|---|---|---|---|---|---|
| Antipodes Partners Ltd | 97 | $74.9K | 0.00% | 00.0% | Unchanged |
| Cassaday & Co Wealth Management LLC | 100 | $77.3K | 0.00% | +100 | New |
| Quintet Private Bank (Europe) S.A. | 100 | $77.3K | 0.01% | +100 | New |
| TFC Financial Management | 104 | $80.4K | 0.01% | 00.0% | Unchanged |
| Ancora Advisors, LLC | 105 | $81.1K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 105 | $81.1K | 0.01% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 106 | $81.9K | 0.00% | 00.0% | Unchanged |
| Clayton Financial Group LLC | 107 | $82.7K | 0.04% | 00.0% | Unchanged |
| Ogorek Anthony Joseph | 107 | $83.0K | 0.02% | +5+4.9% | Added |
| Sound Income Strategies, LLC | 111 | $86.3K | 0.00% | −1−0.9% | Reduced |
| Owl Creek Wealth Partners LLC | 113 | $87.3K | 0.03% | +113 | New |
| Glen Eagle Advisors, LLC | 114 | $88.1K | 0.01% | +37+48.1% | Added |
| Game Plan Financial Advisors, LLC | 115 | $88.9K | 0.04% | 00.0% | Unchanged |
| GW&K Investment Management, LLC | 120 | $93.0K | 0.00% | +1+0.8% | Added |
| Wall Street Financial Group, Inc. | 125 | $96.6K | 0.06% | +125 | New |
| Rossby Financial, LCC | 126 | $97.9K | 0.02% | +62+96.9% | Added |
| NVWM, LLC | 128 | $98.9K | 0.02% | 00.0% | Unchanged |
| Cohen & Steers, Inc. | 130 | $100.0K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 133 | $103.0K | 0.07% | −141−51.5% | Reduced |
| AdvisorNet Financial, Inc | 135 | $104.4K | 0.01% | +83+159.6% | Added |
| Montag A & Associates Inc | 137 | $105.9K | 0.00% | 00.0% | Unchanged |
| Clear Street Markets LLC | 138 | $106.6K | 0.05% | −170−55.2% | Reduced |
| Zions Bancorporation, National Association | 140 | $108.2K | 0.01% | −143−50.5% | Reduced |
| Nkcfo LLC | 142 | $110.0K | 0.03% | 00.0% | Unchanged |
| LMR Partners LLP | 143 | $110.5K | 0.00% | +26+22.2% | Added |
| Wealth Enhancement Trust Services, Inc. | 147 | $113.6K | 0.01% | +142+2,840.0% | Added |
| VSM Wealth Advisory, LLC | 150 | $115.9K | 0.03% | 00.0% | Unchanged |
| Timothy G. Youngquist 2020 Irrevocable Trust | 152 | $117.4K | 0.06% | +152 | New |
| HM Payson & Co | 155 | $119.8K | 0.00% | −15−8.8% | Reduced |
| Twin Lakes Capital Management, LLC | 158 | $122.0K | 0.06% | −107−40.4% | Reduced |
| Twin Peaks Wealth Advisors, LLC | 159 | $122.8K | 0.03% | +159 | New |
| GGM Financials LLC | 159 | $123.1K | 0.06% | −105−39.8% | Reduced |
| Hara Capital LLC | 161 | $124.4K | 0.06% | 00.0% | Unchanged |
| Ameriflex Group, Inc. | 161 | $124.4K | 0.06% | +16+11.0% | Added |
| NBT Bank N A | 161 | $124.4K | 0.01% | +29+22.0% | Added |
| Cary Street Partners Financial LLC | 162 | $125.2K | 0.00% | +14+9.5% | Added |
| TD Private Client Wealth LLC | 170 | $131.3K | 0.00% | +1+0.6% | Added |
| Whipplewood Advisors, LLC | 178 | $137.5K | 0.07% | +3+1.7% | Added |
| Corient IA LLC | 180 | $139.1K | 0.13% | +180 | New |
| Westside Investment Management, Inc. | 182 | $139.2K | 0.02% | +100+122.0% | Added |
| Anchor Investment Management, LLC | 184 | $142.2K | 0.01% | −66−26.4% | Reduced |
| Gen-Wealth Partners Inc | 184 | $142.3K | 0.04% | −6−3.2% | Reduced |
| Financial Perspectives, Inc | 191 | $147.6K | 0.04% | −2−1.0% | Reduced |
| CVA Family Office, LLC | 194 | $149.9K | 0.02% | +49+33.8% | Added |
| Parkside Financial Bank & Trust | 194 | $149.9K | 0.01% | −84−30.2% | Reduced |
| Centaurus Financial, Inc. | 195 | $151.0K | 0.01% | 00.0% | Unchanged |
| Provenance Wealth Advisors, LLC | 200 | $154.5K | 0.02% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 203 | $156.8K | 0.03% | +39+23.8% | Added |
| Key Financial Inc | 210 | $162.3K | 0.03% | 00.0% | Unchanged |
| True Wealth Design, LLC | 219 | $169.2K | 0.05% | +56+34.4% | Added |
| Keating Financial Advisory Services, Inc. | 223 | $172.3K | 0.03% | +29+14.9% | Added |
| Vision Retirement, LLC | 243 | $187.8K | 0.05% | 00.0% | Unchanged |
| Syntax Research, Inc. | 245 | $189.3K | 0.12% | 00.0% | Unchanged |
| Private Trust Co NA | 247 | $190.8K | 0.02% | +49+24.7% | Added |
| RWM Asset Management, LLC | 247 | $190.8K | 0.02% | +247 | New |
| Estabrook Capital Management | 250 | $193.2K | 0.03% | 00.0% | Unchanged |
| Banque Transatlantique SA | 254 | $196.2K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 262 | $199.9K | 0.00% | −95−26.6% | Reduced |
| KRS Capital Management, LLC | 260 | $200.9K | 0.12% | 00.0% | Unchanged |
| WBI Investments | 261 | $201.7K | 0.06% | −936−78.2% | Reduced |
| Millington Securities, LLC | 261 | $201.7K | 0.06% | +261 | New |
| Avail Investment Partners, LLC | 261 | $202.0K | 0.22% | +261 | New |
| Kelly Lawrence W & Associates Inc | 263 | $203.2K | 0.06% | 00.0% | Unchanged |
| Ipswich Investment Management Co., Inc. | 264 | $204.0K | 0.05% | +264 | New |
| Round Rock Advisors, LLC | 265 | $204.8K | 0.03% | −200−43.0% | Reduced |
| Jupiter Asset Management Ltd | 265 | $204.8K | 0.00% | +265 | New |
| T. Rowe Price Investment Management, Inc. | 267 | $207.0K | 0.00% | +267 | New |
| Fieldview Capital Management, LLC | 268 | $207.1K | 0.06% | +268 | New |
| Hobbs Group Advisors, LLC | 268 | $207.1K | 0.06% | −47−14.9% | Reduced |
| Accurate Wealth Management, LLC | 277 | $207.4K | 0.02% | +277 | New |
| Seven Mile Advisory | 270 | $208.6K | 0.15% | −58−17.7% | Reduced |
| S Harris Financial Group, LLC | 270 | $208.8K | 0.19% | +270 | New |
| Eagle Wealth Advisors LLC | 272 | $210.2K | 0.19% | +272 | New |
| McLean Asset Management Corp | 272 | $210.2K | 0.04% | +272 | New |
| Winthrop Advisory Group LLC | 273 | $210.9K | 0.02% | +273 | New |
| Allium Financial Advisors, LLC | 274 | $211.7K | 0.17% | 00.0% | Unchanged |
| Aspire Private Capital, LLC | 275 | $212.5K | 0.05% | −45−14.1% | Reduced |
| Murphy & Mullick Capital Management Corp | 276 | $213.2K | 0.16% | −5−1.8% | Reduced |
| Mainsail Asset Management, LLC | 277 | $214.0K | 0.10% | −8−2.8% | Reduced |
| BCJ Capital Management, LLC | 279 | $215.6K | 0.01% | +279 | New |
| Capital Management Associates, Inc | 279 | $215.6K | 0.05% | +279 | New |
| Onefund, LLC | 278 | $216.0K | 0.14% | −23−7.6% | Reduced |
| Roberts Glore & Co Inc | 280 | $216.3K | 0.06% | −8−2.8% | Reduced |
| Fort Sheridan Advisors LLC | 280 | $216.3K | 0.03% | 00.0% | Unchanged |
| Cornerstone Wealth Group, LLC | 291 | $217.4K | 0.01% | +23+8.6% | Added |
| Essex Savings Bank | 282 | $217.9K | 0.05% | +6+2.2% | Added |
| Values Added Financial LLC | 282 | $217.9K | 0.09% | +3+1.1% | Added |
| Fred Alger Management, LLC | 283 | $218.7K | 0.00% | −135−32.3% | Reduced |
| Verdad Advisers, LP | 283 | $218.7K | 0.25% | +283 | New |
| Investment Research Partners LLC | 284 | $219.4K | 0.09% | −11−3.7% | Reduced |
| AlphaGrep UK Ltd | 284 | $219.4K | 0.06% | +10+3.6% | Added |
| Sierra Summit Advisors LLC | 285 | $220.2K | 0.03% | 00.0% | Unchanged |
| MONECO Advisors, LLC | 285 | $220.5K | 0.02% | +285 | New |
| Symmetry Partners, LLC | 288 | $222.8K | 0.01% | +7+2.5% | Added |
| Lipe & Dalton | 289 | $223.0K | 0.12% | −20−6.5% | Reduced |
| Aventura Private Wealth, LLC | 289 | $223.3K | 0.08% | −9−3.0% | Reduced |
| MQS Management LLC | 291 | $224.8K | 0.15% | +291 | New |
| Bridgewater Advisors Inc. | 319 | $225.3K | 0.01% | −3−0.9% | Reduced |
| Foundations Investment Advisors, LLC | 293 | $226.2K | 0.00% | +293 | New |
| Rexford Capital Inc | 294 | $227.2K | 0.16% | +6+2.1% | Added |