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 |
|---|---|---|---|---|---|
| Sector Gamma AS | 15,780 | $9.84M | 2.13% | +15,780 | New |
| Aware Super Pty Ltd as trustee of Aware Super | 15,585 | $9.72M | 0.14% | +11,782+309.8% | Added |
| British Columbia Investment Management Corp | 15,583 | $9.72M | 0.06% | +1,347+9.5% | Added |
| Eurizon Capital SGR S.p.A. | 15,467 | $9.66M | 0.03% | −1,058−6.4% | Reduced |
| CenterBook Partners LP | 15,486 | $9.66M | 0.47% | +10,426+206.0% | Added |
| Utah Retirement Systems | 15,346 | $9.57M | 0.09% | −1,146−6.9% | Reduced |
| ASR Vermogensbeheer N.V. | 15,098 | $9.41M | 0.10% | +6,343+72.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 15,041 | $9.38M | 0.07% | −559−3.6% | Reduced |
| Mediolanum International Funds Ltd | 14,754 | $9.32M | 0.08% | −56,455−79.3% | Reduced |
| Sierra Summit Advisors LLC | 14,678 | $9.15M | 1.02% | +14,393+5,050.2% | Added |
| Commonwealth Equity Services, LLC | 14,671 | $9.15M | 0.01% | −1,714−10.5% | Reduced |
| Cetera Investment Advisers | 14,664 | $9.14M | 0.01% | −1,342−8.4% | Reduced |
| Charter Trust Co | 14,603 | $9.11M | 0.49% | −111−0.8% | Reduced |
| South Dakota Investment Council | 14,578 | $9.09M | 0.16% | +2,416+19.9% | Added |
| Nomura Holdings Inc | 14,320 | $8.93M | 0.04% | −5,242−26.8% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 14,260 | $8.89M | 0.06% | −54−0.4% | Reduced |
| Colony Group, LLC | 14,043 | $8.76M | 0.01% | −2,398−14.6% | Reduced |
| Fagan Associates, Inc. | 13,904 | $8.67M | 1.07% | −8−0.1% | Reduced |
| Greenwood Capital Associates LLC | 13,873 | $8.65M | 0.85% | +2,612+23.2% | Added |
| Pathstone Holdings, LLC | 13,825 | $8.65M | 0.03% | −2,087−13.1% | Reduced |
| Applied Finance Capital Management, LLC | 13,713 | $8.55M | 0.64% | −3,122−18.5% | Reduced |
| Capital International Ltd | 13,665 | $8.52M | 0.28% | +55+0.4% | Added |
| Quantitative Investment Management, LLC | 13,499 | $8.42M | 0.92% | +10,485+347.9% | Added |
| Public Employees Retirement Association of Colorado | 13,386 | $8.35M | 0.03% | −30.0% | Reduced |
| Capital International Inc | 13,154 | $8.20M | 0.06% | +1,395+11.9% | Added |
| Univest Financial Corp | 13,072 | $8.15M | 0.40% | −1,134−8.0% | Reduced |
| Elo Mutual Pension Insurance Co | 12,957 | $8.08M | 0.10% | +1,108+9.4% | Added |
| Thompson Siegel & Walmsley LLC | 12,882 | $8.03M | 0.14% | +206+1.6% | Added |
| M. Kulyk & Associates, LLC | 12,878 | $8.03M | 1.31% | −2,017−13.5% | Reduced |
| Marietta Wealth Management, LLC | 12,686 | $7.91M | 0.81% | +477+3.9% | Added |
| Assetmark, Inc | 12,594 | $7.85M | 0.01% | +278+2.3% | Added |
| United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund | 12,520 | $7.81M | 0.14% | +12,520 | New |
| CI Private Wealth, LLC | 12,473 | $7.78M | 0.01% | −5,600−31.0% | Reduced |
| Advisor Group Holdings, Inc. | 12,423 | $7.75M | 0.01% | +185+1.5% | Added |
| Oregon Public Employees Retirement Fund | 12,307 | $7.67M | 0.08% | +749+6.5% | Added |
| Janney Montgomery Scott LLC | 12,176 | $7.59M | 0.01% | −902−6.9% | Reduced |
| GWM Advisors LLC | 11,911 | $7.43M | 0.02% | +4,301+56.5% | Added |
| Ilmarinen Mutual Pension Insurance Co | 11,900 | $7.42M | 0.05% | 00.0% | Unchanged |
| JustInvest LLC | 11,712 | $7.30M | 0.06% | −921−7.3% | Reduced |
| Louisiana State Employees Retirement System | 11,700 | $7.30M | 0.11% | −200−1.7% | Reduced |
| Azimuth Capital Investment Management LLC | 11,696 | $7.29M | 0.25% | +11,696 | New |
| OP Asset Management Ltd | 11,685 | $7.29M | 0.08% | −2,454−17.4% | Reduced |
| Lido Advisors, LLC | 11,647 | $7.26M | 0.03% | −92−0.8% | Reduced |
| Calamos Advisors LLC | 11,578 | $7.22M | 0.03% | −215−1.8% | Reduced |
| Avanza Fonder AB | 11,517 | $7.18M | 0.16% | +183+1.6% | Added |
| Shelton Capital Management | 11,459 | $7.15M | 0.13% | −6,028−34.5% | Reduced |
| Walleye Trading LLC | 11,407 | $7.11M | 0.10% | +1,017+9.8% | Added |
| UniSuper Management Pty Ltd | 11,299 | $7.05M | 0.04% | +2,722+31.7% | Added |
| Biondo Investment Advisors, LLC | 11,210 | $6.99M | 0.86% | +318+2.9% | Added |
| Federation des caisses Desjardins du Quebec | 10,915 | $6.81M | 0.02% | +1,663+18.0% | Added |
| Horizon Investments, LLC | 10,799 | $6.73M | 0.07% | +670+6.6% | Added |
| NorthCrest Asset Manangement, LLC | 9,963 | $6.65M | 0.17% | −61−0.6% | Reduced |
| Slow Capital, Inc. | 10,613 | $6.62M | 0.77% | −604−5.4% | Reduced |
| Atria Investments LLC | 10,603 | $6.61M | 0.07% | −858−7.5% | Reduced |
| Oak Associates, Ltd | 10,560 | $6.58M | 0.37% | 00.0% | Unchanged |
| Headlands Technologies LLC | 10,545 | $6.58M | 0.70% | +10,545 | New |
| Profund Advisors LLC | 10,444 | $6.51M | 0.18% | +112+1.1% | Added |
| Jacobs & Co | 10,372 | $6.47M | 0.55% | +95+0.9% | Added |
| Hunter Perkins Capital Management, LLC | 10,356 | $6.46M | 1.45% | −631−5.7% | Reduced |
| Ossiam | 10,350 | $6.45M | 0.09% | −1,753−14.5% | Reduced |
| Mutual of America Capital Management LLC | 10,288 | $6.41M | 0.06% | −414−3.9% | Reduced |
| Contravisory Investment Management, Inc. | 10,147 | $6.33M | 1.12% | +10,147 | New |
| Callan Family Office, LLC | 10,138 | $6.32M | 0.12% | +1,102+12.2% | Added |
| Omers Administration Corp | 10,099 | $6.30M | 0.04% | +1,920+23.5% | Added |
| Pinebridge Investments LLC | 10,068 | $6.28M | 0.05% | −3,239−24.3% | Reduced |
| Sterling Capital Management LLC | 10,014 | $6.24M | 0.11% | −2,724−21.4% | Reduced |
| Pavaki Capital Management LLC | 9,900 | $6.17M | 3.52% | +2,000+25.3% | Added |
| Campbell & CO Investment Adviser LLC | 9,899 | $6.17M | 0.32% | +9,899 | New |
| Norinchukin Bank, The | 9,834 | $6.13M | 0.06% | −145−1.5% | Reduced |
| Entropy Technologies, LP | 9,606 | $5.99M | 0.24% | +6,853+248.9% | Added |
| Massmutual Trust Co FSB | 9,576 | $5.97M | 0.15% | −1,424−12.9% | Reduced |
| SRS Capital Advisors, Inc. | 9,563 | $5.96M | 0.04% | +8,950+1,460.0% | Added |
| AIMZ Investment Advisors, LLC | 9,491 | $5.92M | 1.63% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 9,432 | $5.88M | 0.01% | +7,927+526.7% | Added |
| O'Shaughnessy Asset Management, LLC | 9,404 | $5.86M | 0.03% | −3,852−29.1% | Reduced |
| Leuthold Group, LLC | 9,265 | $5.78M | 0.58% | −515−5.3% | Reduced |
| DCF Advisers, LLC | 9,250 | $5.77M | 1.51% | 00.0% | Unchanged |
| Kayne Anderson Rudnick Investment Management LLC | 9,223 | $5.75M | 0.02% | −461−4.8% | Reduced |
| Osprey Private Wealth LLC | 9,167 | $5.72M | 1.48% | −272−2.9% | Reduced |
| MUFG Securities EMEA plc | 9,126 | $5.69M | 0.06% | −8,006−46.7% | Reduced |
| Yousif Capital Management, LLC | 8,798 | $5.49M | 0.06% | −600−6.4% | Reduced |
| Insight Wealth Strategies, LLC | 8,734 | $5.46M | 0.53% | +1,850+26.9% | Added |
| AIA Group Ltd | 8,736 | $5.45M | 0.07% | +276+3.3% | Added |
| Stratos Wealth Advisors, LLC | 8,630 | $5.38M | 0.30% | −65−0.7% | Reduced |
| Voleon Capital Management LP | 8,531 | $5.32M | 0.10% | −342−3.9% | Reduced |
| Evergreen Wealth Management, LLC | 8,485 | $5.29M | 2.48% | +141+1.7% | Added |
| Hudson Capital Management LLC | 8,447 | $5.27M | 1.27% | +192+2.3% | Added |
| Cardinal Capital Management | 8,397 | $5.24M | 0.63% | −39−0.5% | Reduced |
| Founders Capital Management, LLC | 8,385 | $5.23M | 0.78% | +182+2.2% | Added |
| JB Capital LLC | 8,348 | $5.21M | 0.18% | +1,697+25.5% | Added |
| Fiduciary Trust Co | 8,318 | $5.19M | 0.06% | −160−1.9% | Reduced |
| Ellerson Group Inc | 8,282 | $5.16M | 3.05% | +203+2.5% | Added |
| Teachers Retirement System of the State of Kentucky | 8,244 | $5.14M | 0.03% | 00.0% | Unchanged |
| Third View Private Wealth, LLC | 8,027 | $5.01M | 0.62% | +250+3.2% | Added |
| Harvest Fund Management Co., Ltd | 7,900 | $4.93M | 0.16% | −17−0.2% | Reduced |
| Gulf International Bank (UK) Ltd | 7,856 | $4.90M | 0.10% | −130−1.6% | Reduced |
| Mizuho Securities USA LLC | 7,823 | $4.88M | 0.08% | +1,729+28.4% | Added |
| Vident Advisory, LLC | 7,804 | $4.87M | 0.04% | +4,355+126.3% | Added |
| Dana Investment Advisors, Inc. | 7,719 | $4.81M | 0.13% | −678−8.1% | Reduced |
| Generali Asset Management SPA SGR | 7,685 | $4.79M | 0.09% | +181+2.4% | Added |