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 |
|---|---|---|---|---|---|
| Mitsubishi UFJ Trust & Banking Corp | 65,523 | $40.9M | 0.09% | +14,768+29.1% | Added |
| LPL Financial LLC | 65,755 | $41.0M | 0.01% | +1,768+2.8% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 65,875 | $41.1M | 0.40% | −6,555−9.1% | Reduced |
| GuoLine Advisory Pte Ltd | 67,300 | $42.0M | 3.91% | 00.0% | Unchanged |
| Ceredex Value Advisors LLC | 69,370 | $43.3M | 1.22% | +36,920+113.8% | Added |
| Allspring Global Investments Holdings, LLC | 69,700 | $43.5M | 0.07% | +17,203+32.8% | Added |
| Seizert Capital Partners, LLC | 71,169 | $44.4M | 1.83% | −14,512−16.9% | Reduced |
| KLP Kapitalforvaltning AS | 71,388 | $44.5M | 0.14% | +13,080+22.4% | Added |
| APG Asset Management N.V. | 82,164 | $44.8M | 0.11% | +18,728+29.5% | Added |
| Woodline Partners LP | 72,595 | $45.3M | 0.14% | +4,844+7.1% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 74,200 | $46.3M | 0.10% | +18,847+34.0% | Added |
| Korea Investment CORP | 74,955 | $46.7M | 0.09% | +1,892+2.6% | Added |
| Capitolis Liquid Global Markets LLC | 75,000 | $46.8M | 0.20% | 00.0% | Unchanged |
| NEOS Investment Management LLC | 77,322 | $48.2M | 0.18% | +6,921+9.8% | Added |
| Groupama Asset Managment | 77,940 | $49.1M | 0.62% | +6,838+9.6% | Added |
| Pinnacle Associates Ltd | 81,247 | $50.7M | 0.55% | −1,265−1.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 83,649 | $52.2M | 0.07% | −19,448−18.9% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 84,084 | $52.4M | 0.07% | +8,622+11.4% | Added |
| New York State Teachers Retirement System | 84,178 | $52.5M | 0.10% | −1,948−2.3% | Reduced |
| Great West Life Assurance Co | 86,761 | $54.0M | 0.09% | +7,875+10.0% | Added |
| State Board of Administration of Florida Retirement System | 88,201 | $55.0M | 0.09% | −1,773−2.0% | Reduced |
| Armistice Capital, LLC | 89,809 | $56.0M | 1.55% | +53,683+148.6% | Added |
| PFA Pension, Forsikringsaktieselskab | 90,710 | $56.6M | 0.14% | −2,146−2.3% | Reduced |
| Aviva PLC | 91,486 | $57.0M | 0.08% | +310+0.3% | Added |
| PGGM Investments | 92,584 | $57.7M | 1.42% | 00.0% | Unchanged |
| Davern Capital Partners, LP | 92,640 | $57.8M | 9.85% | +47,840+106.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 93,632 | $58.4M | 0.11% | +9,024+10.7% | Added |
| Parnassus Investments | 95,378 | $59.5M | 0.16% | −2,117−2.2% | Reduced |
| Los Angeles Capital Management LLC | 98,585 | $61.5M | 0.23% | +19,705+25.0% | Added |
| Mariner, LLC | 100,086 | $62.4M | 0.07% | −23,868−19.3% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 100,286 | $62.7M | 0.10% | −9,434−8.6% | Reduced |
| Standard Life Aberdeen plc | 101,566 | $63.3M | 0.09% | −19,778−16.3% | Reduced |
| Bank of Montreal | 103,247 | $64.4M | 0.02% | +17,723+20.7% | Added |
| Harvest Portfolios Group Inc. | 104,616 | $65.2M | 0.92% | +32,219+44.5% | Added |
| Gotham Asset Management, LLC | 105,165 | $65.6M | 0.15% | +22,319+26.9% | Added |
| Danske Bank A/S | 107,830 | $67.2M | 0.13% | +610+0.6% | Added |
| Envestnet Asset Management Inc | 109,838 | $68.5M | 0.02% | +686+0.6% | Added |
| New York State Common Retirement Fund | 111,369 | $69.4M | 0.09% | −6,000−5.1% | Reduced |
| ProShare Advisors LLC | 119,240 | $74.4M | 0.11% | −33,157−21.8% | Reduced |
| Principal Financial Group Inc | 121,053 | $75.5M | 0.04% | +628+0.5% | Added |
| National Bank of Canada | 125,812 | $78.5M | 0.07% | −4,194−3.2% | Reduced |
| Jupiter Asset Management Ltd | 126,099 | $78.6M | 0.39% | +125,834+47,484.5% | Added |
| Victory Capital Management Inc | 126,343 | $78.8M | 0.04% | −2,731−2.1% | Reduced |
| Sound Shore Management Inc | 126,994 | $79.2M | 2.44% | −23,966−15.9% | Reduced |
| Retirement Systems of Alabama | 127,869 | $79.7M | 0.24% | −416−0.3% | Reduced |
| Natixis Advisors, L.P. | 129,236 | $80.6M | 0.09% | +3,563+2.8% | Added |
| Prudential Financial Inc | 130,659 | $81.5M | 0.09% | −9,832−7.0% | Reduced |
| Thrivent Financial for Lutherans | 131,457 | $82.0M | 0.14% | +123,017+1,457.5% | Added |
| Mackenzie Financial Corp | 135,783 | $84.7M | 0.08% | +49,466+57.3% | Added |
| Wells Fargo & Company | 140,802 | $87.8M | 0.02% | −1,219−0.9% | Reduced |
| Jupiter Topco LLC | 144,821 | $90.3M | 0.04% | +144,821 | New |
| Manufacturers Life Insurance Company, The | 147,961 | $92.3M | 0.07% | −260,970−63.8% | Reduced |
| Renaissance Technologies LLC | 148,222 | $92.4M | 0.13% | +81,420+121.9% | Added |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 152,322 | $95.0M | 4.95% | +21,660+16.6% | Added |
| Pictet Asset Management Holding SA | 153,500 | $96.5M | 0.09% | −183,754−54.5% | Reduced |
| California State Teachers Retirement System | 156,724 | $97.7M | 0.09% | +2,523+1.6% | Added |
| Bellevue Group AG | 157,291 | $98.1M | 2.06% | −121,383−43.6% | Reduced |
| Acadian Asset Management LLC | 157,440 | $98.1M | 0.12% | +6,249+4.1% | Added |
| Rhumbline Advisers | 157,794 | $98.4M | 0.07% | +130.0% | Added |
| Bronte Capital Management Pty Ltd. | 162,618 | $101.4M | 11.41% | −10,169−5.9% | Reduced |
| Voloridge Investment Management, LLC | 163,963 | $102.2M | 0.43% | +148,599+967.2% | Added |
| Millennium Management LLC | 165,120 | $103.0M | 0.07% | +102,390+163.2% | Added |
| Raymond James Financial Inc | 172,896 | $107.8M | 0.03% | +7,354+4.4% | Added |
| Royal Bank of Canada | 174,515 | $108.8M | 0.02% | −176,656−50.3% | Reduced |
| Panagora Asset Management Inc | 175,291 | $109.3M | 0.34% | +70,066+66.6% | Added |
| Chevy Chase Trust Holdings, Inc. | 179,056 | $111.6M | 0.29% | −26,777−13.0% | Reduced |
| KBC Group NV | 179,508 | $111.9M | 0.24% | +141,035+366.6% | Added |
| Susquehanna International Group, LLP | 180,219 | $112.4M | 0.10% | +149,599+488.6% | Added |
| Bank of Nova Scotia | 181,706 | $113.3M | 0.17% | +84,186+86.3% | Added |
| Carmignac Gestion | 182,507 | $113.8M | 1.48% | +65,936+56.6% | Added |
| Epoch Investment Partners, Inc. | 186,850 | $116.5M | 0.66% | −51,875−21.7% | Reduced |
| Swedbank AB | 189,848 | $118.4M | 0.10% | −25,742−11.9% | Reduced |
| McDonald Capital Investors Inc | 193,038 | $120.4M | 8.79% | −12,833−6.2% | Reduced |
| Candriam Luxembourg S.C.A. | 195,674 | $121.9M | 0.55% | +9,286+5.0% | Added |
| Vanguard Asset Management, Ltd | 197,770 | $123.3M | 0.08% | +21,428+12.2% | Added |
| Squarepoint Ops LLC | 198,567 | $123.8M | 0.24% | +35,753+22.0% | Added |
| Canada Pension Plan Investment Board | 209,911 | $130.9M | 0.07% | +22,358+11.9% | Added |
| Qube Research & Technologies Ltd | 221,607 | $138.2M | 0.15% | +138,249+165.8% | Added |
| California Public Employees Retirement System | 224,269 | $139.8M | 0.08% | +5,497+2.5% | Added |
| Vanguard Global Advisers, LLC | 226,724 | $141.4M | 0.07% | −1,767−0.8% | Reduced |
| Ameriprise Financial Inc | 227,457 | $142.2M | 0.03% | −92,220−28.8% | Reduced |
| Russell Investments Group, Ltd. | 230,151 | $143.6M | 0.13% | +2,065+0.9% | Added |
| Assenagon Asset Management S.A. | 244,927 | $152.7M | 0.20% | +37,139+17.9% | Added |
| Caisse de Depot Et Placement du Quebec | 250,608 | $156.3M | 0.22% | −78,410−23.8% | Reduced |
| DekaBank Deutsche Girozentrale | 211,207 | $157.7M | 0.27% | 00.0% | Unchanged |
| LSV Asset Management | 253,200 | $157.9M | 0.29% | +56,921+29.0% | Added |
| Barclays PLC | 256,192 | $159.7M | 0.05% | −56,901−18.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 256,503 | $159.9M | 0.58% | +42,343+19.8% | Added |
| Federated Hermes, Inc. | 256,884 | $160.2M | 0.23% | +1,938+0.8% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 257,450 | $160.5M | 0.09% | +16,850+7.0% | Added |
| TD Asset Management Inc | 259,317 | $161.7M | 0.14% | −91,606−26.1% | Reduced |
| FIL Ltd | 265,490 | $165.5M | 0.12% | −44,019−14.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 282,199 | $176.0M | 0.10% | +8,530+3.1% | Added |
| Swiss National Bank | 293,020 | $182.7M | 0.10% | −10,120−3.3% | Reduced |
| UBS Group AG | 298,234 | $186.0M | 0.03% | −1,745−0.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 331,560 | $206.7M | 0.21% | +58,440+21.4% | Added |
| Citigroup Inc | 346,637 | $216.1M | 0.10% | +161,946+87.7% | Added |
| Worldquant Millennium Advisors LLC | 353,970 | $220.7M | 0.76% | +253,301+251.6% | Added |
| Alliancebernstein L.P. | 292,338 | $225.9M | 0.08% | −134,576−31.5% | Reduced |
| Nordea Investment Management AB | 363,479 | $227.4M | 0.19% | +269,157+285.4% | Added |