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 $57.3B 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
- 91.7M
- +1.44M (+1.6%) vs. Q1 2026
- Total value
- $57.3B
- −$12.3B (−17.7%) vs. Q1 2026
- New holders
- 125
- 487 more added
- Sold out
- 169
- 540 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 | $57.3B |
| Q1 2026 | 1,401 | $69.8B |
| Q4 2025 | 1,387 | $70.9B |
| Q3 2025 | 1,243 | $51.3B |
| Q2 2025 | 1,201 | $47.1B |
| Q1 2025 | 1,290 | $59.1B |
| Q4 2024 | 1,320 | $66.8B |
| Q3 2024 | 1,393 | $105.4B |
| Q2 2024 | 1,335 | $107.9B |
| Q1 2024 | 1,313 | $99.4B |
| Q4 2023 | 1,274 | $87.8B |
| Q3 2023 | 1,180 | $75.2B |
| Q2 2023 | 1,168 | $66.2B |
| Q1 2023 | 1,196 | $83.9B |
| Q4 2022 | 1,161 | $67.0B |
| Q3 2022 | 1,081 | $64.3B |
| Q2 2022 | 1,066 | $55.1B |
| Q1 2022 | 1,097 | $64.7B |
| Q4 2021 | 1,081 | $57.3B |
| Q3 2021 | 1,022 | $54.5B |
| Q2 2021 | 975 | $49.8B |
| Q1 2021 | 926 | $42.4B |
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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,113,506 | $5.68B | 0.08% | +165,771+1.9% | Added |
| Vanguard Capital Management LLC | 6,629,759 | $4.13B | 0.09% | −25,154−0.4% | Reduced |
| Dodge & Cox | 4,871,137 | $3.04B | 1.59% | +412,899+9.3% | Added |
| State Street Corp | 4,834,688 | $3.01B | 0.09% | +170,210+3.6% | Added |
| Invesco Ltd. | 3,940,665 | $2.46B | 0.19% | +35,556+0.9% | Added |
| JPMorgan Chase & Co | 3,774,199 | $2.38B | 0.14% | −537,607−12.5% | Reduced |
| Vanguard Portfolio Management LLC | 3,175,313 | $1.98B | 0.09% | +1,454,539+84.5% | Added |
| Franklin Resources Inc | 2,771,839 | $1.73B | 0.37% | +49,768+1.8% | Added |
| Geode Capital Management, LLC | 2,625,810 | $1.63B | 0.09% | +18,078+0.7% | Added |
| Nuveen, LLC | 2,019,974 | $1.26B | 0.30% | −45,090−2.2% | Reduced |
| Loomis Sayles & Co L P | 1,859,172 | $1.16B | 1.45% | −53,138−2.8% | Reduced |
| Price T Rowe Associates Inc | 1,529,709 | $953.8M | 0.10% | −647,818−29.8% | Reduced |
| Morgan Stanley | 1,397,712 | $871.5M | 0.05% | +78,383+5.9% | Added |
| Bank of America Corp | 1,291,053 | $805.0M | 0.05% | +101,469+8.5% | Added |
| Wellington Management Group LLP | 1,270,087 | $792.0M | 0.14% | −567,372−30.9% | Reduced |
| Norges Bank | 1,172,808 | $731.3M | 0.07% | +1,172,808 | New |
| Goldman Sachs Group Inc | 1,163,191 | $725.3M | 0.08% | −137,367−10.6% | Reduced |
| AQR Capital Management LLC | 1,126,080 | $702.2M | 0.24% | −104,928−8.5% | Reduced |
| Amundi | 1,013,540 | $632.0M | 0.15% | +3,742+0.4% | Added |
| Northern Trust Corp | 916,467 | $571.5M | 0.07% | −25,474−2.7% | Reduced |
| Charles Schwab Investment Management Inc | 846,306 | $527.7M | 0.07% | +41,798+5.2% | Added |
| FMR LLC | 831,964 | $518.8M | 0.02% | −686,228−45.2% | Reduced |
| Capital World Investors | 814,925 | $508.1M | 0.06% | −604,075−42.6% | Reduced |
| Legal & General Group Plc | 759,971 | $473.9M | 0.10% | +27,917+3.8% | Added |
| Bank of New York Mellon Corp | 758,492 | $473.0M | 0.08% | −6,919−0.9% | Reduced |
| UBS Asset Management Americas Inc | 716,560 | $446.8M | 0.08% | −7,061−1.0% | Reduced |
| Two Sigma Investments, LP | 656,124 | $409.1M | 0.31% | −156,112−19.2% | Reduced |
| Vanguard Fiduciary Trust Co | 563,711 | $351.5M | 0.08% | −6,229−1.1% | Reduced |
| Dimensional Fund Advisors LP | 559,687 | $349.0M | 0.06% | +46,627+9.1% | Added |
| First Trust Advisors LP | 547,132 | $341.2M | 0.20% | +200,277+57.7% | Added |
| Deutsche Bank AG | 518,409 | $323.2M | 0.09% | −106,979−17.1% | Reduced |
| Assenagon Asset Management S.A. | 489,854 | $305.4M | 0.20% | +282,066+135.7% | Added |
| Robeco Institutional Asset Management B.V. | 460,602 | $287.2M | 0.35% | +111,815+32.1% | Added |
| Man Group plc | 436,956 | $272.5M | 0.50% | +121,744+38.6% | Added |
| SG Americas Securities, LLC | 427,703 | $266.7M | 0.15% | +269,425+170.2% | Added |
| Neuberger Berman Group LLC | 421,976 | $263.1M | 0.18% | −5,153−1.2% | Reduced |
| BNP Paribas Arbitrage, SA | 399,847 | $249.3M | 0.13% | −48,524−10.8% | Reduced |
| Arrowstreet Capital, Limited Partnership | 393,685 | $245.5M | 0.11% | +222,114+129.5% | Added |
| HSBC Holdings PLC | 382,028 | $238.5M | 0.11% | +58,690+18.2% | Added |
| Allianz Asset Management GmbH | 380,618 | $237.3M | 0.22% | +79,422+26.4% | Added |
| National Pension Service | 379,815 | $236.8M | 0.15% | +8,264+2.2% | Added |
| Pacer Advisors, Inc. | 369,451 | $230.4M | 0.60% | +10,818+3.0% | Added |
| Nordea Investment Management AB | 363,479 | $227.4M | 0.19% | +269,157+285.4% | Added |
| Alliancebernstein L.P. | 292,338 | $225.9M | 0.07% | −134,576−31.5% | Reduced |
| Worldquant Millennium Advisors LLC | 353,970 | $220.7M | 0.76% | +253,301+251.6% | Added |
| Citigroup Inc | 346,637 | $216.1M | 0.10% | +161,946+87.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 331,560 | $206.7M | 0.21% | +58,440+21.4% | Added |
| UBS Group AG | 298,234 | $186.0M | 0.03% | −1,745−0.6% | Reduced |
| Swiss National Bank | 293,020 | $182.7M | 0.10% | −10,120−3.3% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 282,199 | $176.0M | 0.10% | +8,530+3.1% | Added |
| FIL Ltd | 265,490 | $165.5M | 0.12% | −44,019−14.2% | Reduced |
| TD Asset Management Inc | 259,317 | $161.7M | 0.14% | −91,606−26.1% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 257,450 | $160.5M | 0.09% | +16,850+7.0% | Added |
| Federated Hermes, Inc. | 256,884 | $160.2M | 0.23% | +1,938+0.8% | Added |
| Jacobs Levy Equity Management, Inc | 256,503 | $159.9M | 0.58% | +42,343+19.8% | Added |
| Barclays PLC | 256,192 | $159.7M | 0.05% | −56,901−18.2% | Reduced |
| LSV Asset Management | 253,200 | $157.9M | 0.29% | +56,921+29.0% | Added |
| DekaBank Deutsche Girozentrale | 211,207 | $157.7M | 0.27% | 00.0% | Unchanged |
| Caisse de Depot Et Placement du Quebec | 250,608 | $156.3M | 0.22% | −78,410−23.8% | Reduced |
| Russell Investments Group, Ltd. | 230,151 | $143.6M | 0.13% | +2,065+0.9% | Added |
| Ameriprise Financial Inc | 227,457 | $142.2M | 0.03% | −92,220−28.8% | Reduced |
| Vanguard Global Advisers, LLC | 226,724 | $141.4M | 0.07% | −1,767−0.8% | Reduced |
| California Public Employees Retirement System | 224,269 | $139.8M | 0.08% | +5,497+2.5% | Added |
| Qube Research & Technologies Ltd | 221,607 | $138.2M | 0.15% | +138,249+165.8% | Added |
| Canada Pension Plan Investment Board | 209,911 | $130.9M | 0.07% | +22,358+11.9% | Added |
| Squarepoint Ops LLC | 198,567 | $123.8M | 0.24% | +35,753+22.0% | Added |
| Vanguard Asset Management, Ltd | 197,770 | $123.3M | 0.08% | +21,428+12.2% | Added |
| Candriam Luxembourg S.C.A. | 195,674 | $121.9M | 0.55% | +9,286+5.0% | Added |
| McDonald Capital Investors Inc | 193,038 | $120.4M | 8.79% | −12,833−6.2% | Reduced |
| Swedbank AB | 189,848 | $118.4M | 0.10% | −25,742−11.9% | Reduced |
| Epoch Investment Partners, Inc. | 186,850 | $116.5M | 0.66% | −51,875−21.7% | Reduced |
| Carmignac Gestion | 182,507 | $113.8M | 1.48% | +65,936+56.6% | Added |
| Bank of Nova Scotia | 181,706 | $113.3M | 0.17% | +84,186+86.3% | Added |
| Susquehanna International Group, LLP | 180,219 | $112.4M | 0.10% | +149,599+488.6% | Added |
| KBC Group NV | 179,508 | $111.9M | 0.24% | +141,035+366.6% | Added |
| Chevy Chase Trust Holdings, Inc. | 179,056 | $111.6M | 0.29% | −26,777−13.0% | Reduced |
| Panagora Asset Management Inc | 175,291 | $109.3M | 0.34% | +70,066+66.6% | Added |
| Royal Bank of Canada | 174,515 | $108.8M | 0.02% | −176,656−50.3% | Reduced |
| Raymond James Financial Inc | 172,896 | $107.8M | 0.03% | +7,354+4.4% | Added |
| Millennium Management LLC | 165,120 | $103.0M | 0.07% | +102,390+163.2% | Added |
| Voloridge Investment Management, LLC | 163,963 | $102.2M | 0.43% | +148,599+967.2% | Added |
| Bronte Capital Management Pty Ltd. | 162,618 | $101.4M | 11.41% | −10,169−5.9% | Reduced |
| Rhumbline Advisers | 157,794 | $98.4M | 0.07% | +130.0% | Added |
| Acadian Asset Management LLC | 157,440 | $98.1M | 0.12% | +6,249+4.1% | Added |
| Bellevue Group AG | 157,291 | $98.1M | 2.06% | −121,383−43.6% | Reduced |
| California State Teachers Retirement System | 156,724 | $97.7M | 0.09% | +2,523+1.6% | Added |
| Pictet Asset Management Holding SA | 153,500 | $96.5M | 0.09% | −183,754−54.5% | Reduced |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 152,322 | $95.0M | 4.95% | +21,660+16.6% | Added |
| Renaissance Technologies LLC | 148,222 | $92.4M | 0.13% | +81,420+121.9% | Added |
| Manufacturers Life Insurance Company, The | 147,961 | $92.3M | 0.07% | −260,970−63.8% | Reduced |
| Jupiter Topco LLC | 144,821 | $90.3M | 0.04% | +144,821 | New |
| Wells Fargo & Company | 140,802 | $87.8M | 0.02% | −1,219−0.9% | Reduced |
| Mackenzie Financial Corp | 135,783 | $84.7M | 0.08% | +49,466+57.3% | Added |
| Thrivent Financial for Lutherans | 131,457 | $82.0M | 0.14% | +123,017+1,457.5% | Added |
| Prudential Financial Inc | 130,659 | $81.5M | 0.09% | −9,832−7.0% | Reduced |
| Natixis Advisors, L.P. | 129,236 | $80.6M | 0.09% | +3,563+2.8% | Added |
| Retirement Systems of Alabama | 127,869 | $79.7M | 0.24% | −416−0.3% | Reduced |
| Sound Shore Management Inc | 126,994 | $79.2M | 2.44% | −23,966−15.9% | Reduced |
| Victory Capital Management Inc | 126,343 | $78.8M | 0.04% | −2,731−2.1% | Reduced |
| Jupiter Asset Management Ltd | 126,099 | $78.6M | 0.39% | +125,834+47,484.5% | Added |