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 |
|---|---|---|---|---|---|
| Tema ETFs LLC | 5,481 | $3.42M | 0.11% | +121+2.3% | Added |
| Te Ahumairangi Investment Management Ltd | 5,489 | $3.42M | 0.55% | +1,160+26.8% | Added |
| RSM US Wealth Management LLC | 5,514 | $3.44M | 0.04% | −661−10.7% | Reduced |
| Maryland State Retirement & Pension System | 5,518 | $3.44M | 0.06% | +428+8.4% | Added |
| Hartford Investment Management Co | 5,538 | $3.45M | 0.10% | −214−3.7% | Reduced |
| Veracity Capital LLC | 5,556 | $3.46M | 0.94% | +3+0.1% | Added |
| Warren Averett Asset Management, LLC | 5,584 | $3.48M | 0.02% | −311−5.3% | Reduced |
| IMC-Chicago, LLC | 5,591 | $3.49M | 0.03% | +5,591 | New |
| Jane Street Group, LLC | 5,596 | $3.49M | 0.00% | +222+4.1% | Added |
| Madison Asset Management, LLC | 5,729 | $3.57M | 0.04% | −55−1.0% | Reduced |
| Kovitz Investment Group Partners, LLC | 5,735 | $3.58M | 0.08% | +4,978+657.6% | Added |
| Two Sigma Securities, LLC | 5,761 | $3.59M | 0.31% | +4,626+407.6% | Added |
| Prudential PLC | 5,829 | $3.63M | 0.03% | +1,841+46.2% | Added |
| PKO Investment Management Joint-Stock Co | 5,900 | $3.68M | 0.27% | +150+2.6% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 5,958 | $3.72M | 0.16% | −11,917−66.7% | Reduced |
| Krensavage Asset Management, LLC | 6,000 | $3.74M | 1.42% | +2,000+50.0% | Added |
| Unison Advisors LLC | 6,035 | $3.76M | 0.26% | +6+0.1% | Added |
| Abn Amro Investment Solutions | 6,114 | $3.81M | 0.03% | +1,254+25.8% | Added |
| Arnhold LLC | 6,228 | $3.88M | 0.27% | 00.0% | Unchanged |
| Fideuram Asset Management (Ireland) dac | 6,329 | $3.92M | 0.08% | +5,857+1,240.9% | Added |
| Ledyard National Bank | 6,290 | $3.92M | 0.31% | +64+1.0% | Added |
| Kentucky Retirement Systems | 6,406 | $3.99M | 0.10% | −78−1.2% | Reduced |
| Natixis | 6,599 | $4.11M | 0.02% | −48,708−88.1% | Reduced |
| Apollon Wealth Management, LLC | 6,662 | $4.15M | 0.05% | +2,831+73.9% | Added |
| Modera Wealth Management, LLC | 6,682 | $4.17M | 0.04% | −69−1.0% | Reduced |
| MAI Capital Management | 6,715 | $4.19M | 0.02% | +358+5.6% | Added |
| Allstate Corp | 6,878 | $4.29M | 0.04% | −4,075−37.2% | Reduced |
| Augustine Asset Management Inc | 6,884 | $4.29M | 0.87% | +2,405+53.7% | Added |
| Sicart Associates LLC | 6,912 | $4.31M | 1.06% | −49−0.7% | Reduced |
| J. Goldman & Co LP | 6,936 | $4.32M | 0.15% | −9,332−57.4% | Reduced |
| Wealthfront Advisers LLC | 7,006 | $4.37M | 0.01% | −1,338−16.0% | Reduced |
| Wealthspire Advisors, LLC | 7,042 | $4.39M | 0.02% | −1,664−19.1% | Reduced |
| Westpac Banking Corp | 7,059 | $4.40M | 0.27% | −2,545−26.5% | Reduced |
| Commerce Bank | 7,131 | $4.45M | 0.02% | +683+10.6% | Added |
| Gilman Hill Asset Management, LLC | 7,139 | $4.45M | 0.61% | +939+15.1% | Added |
| Meeder Asset Management Inc | 7,156 | $4.46M | 0.23% | +1,062+17.4% | Added |
| Perigon Wealth Management, LLC | 7,164 | $4.47M | 0.07% | −516−6.7% | Reduced |
| Saudi Central Bank | 7,273 | $4.54M | 0.06% | +3,461+90.8% | Added |
| Summit Global Investments | 7,506 | $4.68M | 0.26% | −2,298−23.4% | Reduced |
| Clear Harbor Asset Management, LLC | 7,610 | $4.75M | 0.30% | −3,265−30.0% | Reduced |
| Investment Management Corp of Ontario | 7,642 | $4.77M | 0.06% | −322−4.0% | Reduced |
| Generali Asset Management SPA SGR | 7,685 | $4.79M | 0.09% | +181+2.4% | Added |
| Dana Investment Advisors, Inc. | 7,719 | $4.81M | 0.13% | −678−8.1% | Reduced |
| Vident Advisory, LLC | 7,804 | $4.87M | 0.04% | +4,355+126.3% | Added |
| Mizuho Securities USA LLC | 7,823 | $4.88M | 0.08% | +1,729+28.4% | Added |
| Gulf International Bank (UK) Ltd | 7,856 | $4.90M | 0.10% | −130−1.6% | Reduced |
| Harvest Fund Management Co., Ltd | 7,900 | $4.93M | 0.16% | −17−0.2% | Reduced |
| Third View Private Wealth, LLC | 8,027 | $5.01M | 0.62% | +250+3.2% | Added |
| Teachers Retirement System of the State of Kentucky | 8,244 | $5.14M | 0.03% | 00.0% | Unchanged |
| Ellerson Group Inc | 8,282 | $5.16M | 3.05% | +203+2.5% | Added |
| Fiduciary Trust Co | 8,318 | $5.19M | 0.06% | −160−1.9% | Reduced |
| JB Capital LLC | 8,348 | $5.21M | 0.18% | +1,697+25.5% | Added |
| Founders Capital Management, LLC | 8,385 | $5.23M | 0.78% | +182+2.2% | Added |
| Cardinal Capital Management | 8,397 | $5.24M | 0.63% | −39−0.5% | Reduced |
| Hudson Capital Management LLC | 8,447 | $5.27M | 1.27% | +192+2.3% | Added |
| Evergreen Wealth Management, LLC | 8,485 | $5.29M | 2.48% | +141+1.7% | Added |
| Voleon Capital Management LP | 8,531 | $5.32M | 0.10% | −342−3.9% | Reduced |
| Stratos Wealth Advisors, LLC | 8,630 | $5.38M | 0.30% | −65−0.7% | Reduced |
| AIA Group Ltd | 8,736 | $5.45M | 0.07% | +276+3.3% | Added |
| Insight Wealth Strategies, LLC | 8,734 | $5.46M | 0.53% | +1,850+26.9% | Added |
| Yousif Capital Management, LLC | 8,798 | $5.49M | 0.06% | −600−6.4% | Reduced |
| MUFG Securities EMEA plc | 9,126 | $5.69M | 0.06% | −8,006−46.7% | Reduced |
| Osprey Private Wealth LLC | 9,167 | $5.72M | 1.48% | −272−2.9% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 9,223 | $5.75M | 0.02% | −461−4.8% | Reduced |
| DCF Advisers, LLC | 9,250 | $5.77M | 1.51% | 00.0% | Unchanged |
| Leuthold Group, LLC | 9,265 | $5.78M | 0.58% | −515−5.3% | Reduced |
| O'Shaughnessy Asset Management, LLC | 9,404 | $5.86M | 0.03% | −3,852−29.1% | Reduced |
| Balyasny Asset Management LLC | 9,432 | $5.88M | 0.01% | +7,927+526.7% | Added |
| AIMZ Investment Advisors, LLC | 9,491 | $5.92M | 1.63% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 9,563 | $5.96M | 0.04% | +8,950+1,460.0% | Added |
| Massmutual Trust Co FSB | 9,576 | $5.97M | 0.15% | −1,424−12.9% | Reduced |
| Entropy Technologies, LP | 9,606 | $5.99M | 0.24% | +6,853+248.9% | Added |
| Norinchukin Bank, The | 9,834 | $6.13M | 0.06% | −145−1.5% | Reduced |
| Campbell & CO Investment Adviser LLC | 9,899 | $6.17M | 0.32% | +9,899 | New |
| Pavaki Capital Management LLC | 9,900 | $6.17M | 3.52% | +2,000+25.3% | Added |
| Sterling Capital Management LLC | 10,014 | $6.24M | 0.11% | −2,724−21.4% | Reduced |
| Pinebridge Investments LLC | 10,068 | $6.28M | 0.05% | −3,239−24.3% | Reduced |
| Omers Administration Corp | 10,099 | $6.30M | 0.04% | +1,920+23.5% | Added |
| Callan Family Office, LLC | 10,138 | $6.32M | 0.12% | +1,102+12.2% | Added |
| Contravisory Investment Management, Inc. | 10,147 | $6.33M | 1.12% | +10,147 | New |
| Mutual of America Capital Management LLC | 10,288 | $6.41M | 0.06% | −414−3.9% | Reduced |
| Ossiam | 10,350 | $6.45M | 0.09% | −1,753−14.5% | Reduced |
| Hunter Perkins Capital Management, LLC | 10,356 | $6.46M | 1.45% | −631−5.7% | Reduced |
| Jacobs & Co | 10,372 | $6.47M | 0.55% | +95+0.9% | Added |
| Profund Advisors LLC | 10,444 | $6.51M | 0.18% | +112+1.1% | Added |
| Headlands Technologies LLC | 10,545 | $6.58M | 0.70% | +10,545 | New |
| Oak Associates, Ltd | 10,560 | $6.58M | 0.37% | 00.0% | Unchanged |
| Atria Investments LLC | 10,603 | $6.61M | 0.07% | −858−7.5% | Reduced |
| Slow Capital, Inc. | 10,613 | $6.62M | 0.77% | −604−5.4% | Reduced |
| NorthCrest Asset Manangement, LLC | 9,963 | $6.65M | 0.17% | −61−0.6% | Reduced |
| Horizon Investments, LLC | 10,799 | $6.73M | 0.07% | +670+6.6% | Added |
| Federation des caisses Desjardins du Quebec | 10,915 | $6.81M | 0.02% | +1,663+18.0% | Added |
| Biondo Investment Advisors, LLC | 11,210 | $6.99M | 0.86% | +318+2.9% | Added |
| UniSuper Management Pty Ltd | 11,299 | $7.05M | 0.04% | +2,722+31.7% | Added |
| Walleye Trading LLC | 11,407 | $7.11M | 0.10% | +1,017+9.8% | Added |
| Shelton Capital Management | 11,459 | $7.15M | 0.13% | −6,028−34.5% | Reduced |
| Avanza Fonder AB | 11,517 | $7.18M | 0.16% | +183+1.6% | Added |
| Calamos Advisors LLC | 11,578 | $7.22M | 0.03% | −215−1.8% | Reduced |
| Lido Advisors, LLC | 11,647 | $7.26M | 0.03% | −92−0.8% | Reduced |
| OP Asset Management Ltd | 11,685 | $7.29M | 0.08% | −2,454−17.4% | Reduced |