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 |
|---|---|---|---|---|---|
| National Bank of Canada | 125,812 | $78.5M | 0.07% | −4,194−3.2% | Reduced |
| Principal Financial Group Inc | 121,053 | $75.5M | 0.04% | +628+0.5% | Added |
| ProShare Advisors LLC | 119,240 | $74.4M | 0.11% | −33,157−21.8% | Reduced |
| New York State Common Retirement Fund | 111,369 | $69.4M | 0.09% | −6,000−5.1% | Reduced |
| Envestnet Asset Management Inc | 109,838 | $68.5M | 0.02% | +686+0.6% | Added |
| Danske Bank A/S | 107,830 | $67.2M | 0.13% | +610+0.6% | Added |
| Gotham Asset Management, LLC | 105,165 | $65.6M | 0.15% | +22,319+26.9% | Added |
| Harvest Portfolios Group Inc. | 104,616 | $65.2M | 0.92% | +32,219+44.5% | Added |
| Bank of Montreal | 103,247 | $64.4M | 0.02% | +17,723+20.7% | Added |
| Standard Life Aberdeen plc | 101,566 | $63.3M | 0.09% | −19,778−16.3% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 100,286 | $62.7M | 0.10% | −9,434−8.6% | Reduced |
| Mariner, LLC | 100,086 | $62.4M | 0.07% | −23,868−19.3% | Reduced |
| Los Angeles Capital Management LLC | 98,585 | $61.5M | 0.23% | +19,705+25.0% | Added |
| Parnassus Investments | 95,378 | $59.5M | 0.16% | −2,117−2.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 93,632 | $58.4M | 0.11% | +9,024+10.7% | Added |
| Davern Capital Partners, LP | 92,640 | $57.8M | 9.85% | +47,840+106.8% | Added |
| PGGM Investments | 92,584 | $57.7M | 1.42% | 00.0% | Unchanged |
| Aviva PLC | 91,486 | $57.0M | 0.08% | +310+0.3% | Added |
| PFA Pension, Forsikringsaktieselskab | 90,710 | $56.6M | 0.14% | −2,146−2.3% | Reduced |
| Armistice Capital, LLC | 89,809 | $56.0M | 1.55% | +53,683+148.6% | Added |
| State Board of Administration of Florida Retirement System | 88,201 | $55.0M | 0.09% | −1,773−2.0% | Reduced |
| Great West Life Assurance Co | 86,761 | $54.0M | 0.09% | +7,875+10.0% | Added |
| New York State Teachers Retirement System | 84,178 | $52.5M | 0.10% | −1,948−2.3% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 84,084 | $52.4M | 0.07% | +8,622+11.4% | Added |
| Adage Capital Partners GP, L.L.C. | 83,649 | $52.2M | 0.07% | −19,448−18.9% | Reduced |
| Pinnacle Associates Ltd | 81,247 | $50.7M | 0.55% | −1,265−1.5% | Reduced |
| Groupama Asset Managment | 77,940 | $49.1M | 0.62% | +6,838+9.6% | Added |
| NEOS Investment Management LLC | 77,322 | $48.2M | 0.18% | +6,921+9.8% | Added |
| Capitolis Liquid Global Markets LLC | 75,000 | $46.8M | 0.20% | 00.0% | Unchanged |
| Korea Investment CORP | 74,955 | $46.7M | 0.09% | +1,892+2.6% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 74,200 | $46.3M | 0.10% | +18,847+34.0% | Added |
| Woodline Partners LP | 72,595 | $45.3M | 0.14% | +4,844+7.1% | Added |
| APG Asset Management N.V. | 82,164 | $44.8M | 0.11% | +18,728+29.5% | Added |
| KLP Kapitalforvaltning AS | 71,388 | $44.5M | 0.14% | +13,080+22.4% | Added |
| Seizert Capital Partners, LLC | 71,169 | $44.4M | 1.83% | −14,512−16.9% | Reduced |
| Allspring Global Investments Holdings, LLC | 69,700 | $43.5M | 0.07% | +17,203+32.8% | Added |
| Ceredex Value Advisors LLC | 69,370 | $43.3M | 1.22% | +36,920+113.8% | Added |
| GuoLine Advisory Pte Ltd | 67,300 | $42.0M | 3.91% | 00.0% | Unchanged |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 65,875 | $41.1M | 0.40% | −6,555−9.1% | Reduced |
| LPL Financial LLC | 65,755 | $41.0M | 0.01% | +1,768+2.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 65,523 | $40.9M | 0.09% | +14,768+29.1% | Added |
| Voya Investment Management LLC | 65,505 | $40.8M | 0.04% | −284,407−81.3% | Reduced |
| Van Eck Associates Corp | 65,332 | $40.7M | 0.02% | +2,748+4.4% | Added |
| HighTower Advisors, LLC | 64,650 | $40.3M | 0.04% | +5,725+9.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 63,644 | $39.7M | 0.08% | −25,227−28.4% | Reduced |
| Clearbridge Investments, LLC | 63,636 | $39.7M | 0.03% | −10,156−13.8% | Reduced |
| American Century Companies Inc | 62,209 | $38.8M | 0.02% | −499,888−88.9% | Reduced |
| SEI Investments Co | 60,441 | $37.7M | 0.03% | −14,559−19.4% | Reduced |
| Treasurer of the State of North Carolina | 60,132 | $37.5M | 0.10% | −250−0.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 59,595 | $37.2M | 0.04% | −10,259−14.7% | Reduced |
| Citadel Advisors LLC | 57,604 | $35.9M | 0.02% | +9,917+20.8% | Added |
| Cambiar Investors LLC | 57,573 | $35.9M | 1.56% | −610−1.0% | Reduced |
| State of Wisconsin Investment Board | 55,287 | $34.5M | 0.07% | +130.0% | Added |
| Vanguard Investments Australia, Ltd. | 52,947 | $33.0M | 0.08% | +1,642+3.2% | Added |
| Baird Financial Group, Inc. | 52,845 | $33.0M | 0.05% | −4,744−8.2% | Reduced |
| Handelsbanken Fonder AB | 52,328 | $32.6M | 0.09% | −72,708−58.1% | Reduced |
| Banco Santander, S.A. | 51,479 | $32.1M | 0.20% | +10,889+26.8% | Added |
| Asset Management One Co.,Ltd. | 51,397 | $32.0M | 0.08% | +592+1.2% | Added |
| Bridgewater Associates, LP | 51,333 | $32.0M | 0.13% | +28,609+125.9% | Added |
| DnB Asset Management AS | 49,314 | $30.7M | 0.09% | +5,933+13.7% | Added |
| Quadrature Capital Ltd | 49,073 | $30.6M | 0.26% | +30,471+163.8% | Added |
| Toronto Dominion Bank | 48,783 | $30.4M | 0.05% | +10,356+26.9% | Added |
| CBOE Vest Financial, LLC | 48,482 | $30.2M | 0.32% | +29,119+150.4% | Added |
| Ieq Capital, LLC | 48,105 | $30.0M | 0.14% | −30,197−38.6% | Reduced |
| Tredje AP-fonden | 48,079 | $30.0M | 0.14% | +18,331+61.6% | Added |
| Ensign Peak Advisors, Inc | 48,022 | $29.9M | 0.05% | +28,970+152.1% | Added |
| Wedge Capital Management L L P | 47,775 | $29.8M | 0.49% | +8,063+20.3% | Added |
| Quantinno Capital Management LP | 47,009 | $29.3M | 0.04% | −1,242−2.6% | Reduced |
| Nomura Asset Management International Inc. | 47,005 | $29.3M | 0.04% | −7,470−13.7% | Reduced |
| State of Tennessee, Treasury Department | 46,766 | $29.2M | 0.09% | +5,308+12.8% | Added |
| Stifel Financial Corp | 46,378 | $28.9M | 0.02% | −2,529−5.2% | Reduced |
| Guggenheim Capital LLC | 45,969 | $28.7M | 0.19% | +3,060+7.1% | Added |
| Public Sector Pension Investment Board | 45,832 | $28.6M | 0.07% | −6,205−11.9% | Reduced |
| ARS Investment Partners, LLC | 45,484 | $28.4M | 1.24% | +214+0.5% | Added |
| Toroso Investments, LLC | 43,896 | $27.4M | 0.07% | +4,244+10.7% | Added |
| Public Employees Retirement System of Ohio | 43,579 | $27.2M | 0.08% | −307−0.7% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 42,742 | $26.7M | 0.13% | +12,040+39.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 42,465 | $26.5M | 0.05% | +10,301+32.0% | Added |
| Atwood & Palmer Inc | 42,332 | $26.4M | 1.41% | +630+1.5% | Added |
| Nomura Asset Management Co Ltd | 42,310 | $26.4M | 0.06% | −11,624−21.6% | Reduced |
| Trexquant Investment LP | 41,839 | $26.1M | 0.16% | +30,767+277.9% | Added |
| CIBC Asset Management Inc | 41,660 | $26.0M | 0.06% | −857−2.0% | Reduced |
| Integral Health Asset Management, LLC | 40,000 | $24.9M | 1.02% | −45,000−52.9% | Reduced |
| Vestal Point Capital, LP | 40,000 | $24.9M | 0.58% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 39,923 | $24.9M | 0.12% | −708−1.7% | Reduced |
| Cerity Partners LLC | 39,274 | $24.5M | 0.03% | −4,698−10.7% | Reduced |
| Erste Asset Management GmbH | 38,716 | $24.5M | 0.19% | −18,493−32.3% | Reduced |
| Credit Agricole S A | 38,977 | $24.3M | 0.06% | −53,439−57.8% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 38,792 | $24.2M | 0.02% | +522+1.4% | Added |
| Truist Financial Corp | 38,731 | $24.2M | 0.03% | −1,377−3.4% | Reduced |
| Daiwa Securities Group Inc. | 38,643 | $24.1M | 0.05% | +2,118+5.8% | Added |
| Rafferty Asset Management, LLC | 38,534 | $24.0M | 0.05% | +8,945+30.2% | Added |
| Storebrand Asset Management AS | 38,479 | $24.0M | 0.06% | +2,540+7.1% | Added |
| D. E. Shaw & Co., Inc. | 38,477 | $24.0M | 0.01% | +15,747+69.3% | Added |
| Nykredit A/S | 38,439 | $24.0M | 0.09% | +38,439 | New |
| Howland Capital Management LLC | 37,174 | $23.2M | 0.84% | −2,171−5.5% | Reduced |
| Tamar Securities, LLC | 37,102 | $23.1M | 2.16% | +1,903+5.4% | Added |
| Creative Planning | 36,949 | $23.0M | 0.01% | −3,203−8.0% | Reduced |
| Lazard Asset Management LLC | 36,910 | $23.0M | 0.03% | +19,906+117.1% | Added |
| LMCG Investments, LLC | 36,837 | $23.0M | 1.23% | −2,142−5.5% | Reduced |