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, Q1 2025
Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 2025. 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
- 1,290
- −10 vs. Q4 2024
- Shares held
- 93.1M
- +238.3K (+0.3%) vs. Q4 2024
- Total value
- $59.0B
- −$7.18B (−10.8%) vs. Q4 2024
- New holders
- 140
- 527 more added
- Sold out
- 150
- 452 more reduced
20 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Qsemble Capital Management, LP | 12,316 | $7.81M | 0.83% | +7,548+158.3% | Added |
| Calamos Advisors LLC | 12,272 | $7.78M | 0.04% | −10,386−45.8% | Reduced |
| Catalio Capital Management, LP | 12,261 | $7.78M | 1.93% | +12,261 | New |
| Mutual of America Capital Management LLC | 12,218 | $7.75M | 0.09% | −860−6.6% | Reduced |
| Centre Asset Management, LLC | 12,203 | $7.74M | 1.99% | +12,203 | New |
| Elo Mutual Pension Insurance Co | 12,132 | $7.69M | 0.17% | +12,132 | New |
| Factory Mutual Insurance Co | 12,100 | $7.67M | 0.09% | +8,200+210.3% | Added |
| NorthCrest Asset Manangement, LLC | 11,903 | $7.55M | 0.23% | +557+4.9% | Added |
| Banco Santander, S.A. | 11,852 | $7.52M | 0.08% | +4,374+58.5% | Added |
| OP Asset Management Ltd | 11,699 | $7.42M | 0.13% | +11,699 | New |
| Martingale Asset Management L P | 11,596 | $7.35M | 0.19% | −8,612−42.6% | Reduced |
| Westwood Holdings Group Inc. | 11,582 | $7.35M | 0.06% | −442−3.7% | Reduced |
| Magnetar Financial LLC | 11,542 | $7.32M | 0.10% | −96,608−89.3% | Reduced |
| Profund Advisors LLC | 11,525 | $7.31M | 0.32% | −1,253−9.8% | Reduced |
| Creative Planning | 11,367 | $7.21M | 0.01% | +1,209+11.9% | Added |
| Livforsakringsbolaget Skandia, Omsesidigt | 11,332 | $7.18M | 0.41% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 11,070 | $7.02M | 0.08% | −258−2.3% | Reduced |
| Generali Asset Management SPA SGR | 11,034 | $7.00M | 0.17% | −324−2.9% | Reduced |
| Advisor Group Holdings, Inc. | 10,995 | $6.98M | 0.02% | −5,242−32.3% | Reduced |
| Anchor Capital Advisors LLC | 10,997 | $6.97M | 0.21% | +150+1.4% | Added |
| Cutter & CO Brokerage, Inc. | 10,838 | $6.87M | 1.63% | +2,880+36.2% | Added |
| Marietta Wealth Management, LLC | 10,778 | $6.84M | 1.00% | +2,501+30.2% | Added |
| Summit Financial, LLC | 10,596 | $6.72M | 0.19% | +64+0.6% | Added |
| Cetera Investment Advisers | 10,575 | $6.71M | 0.01% | +1,336+14.5% | Added |
| Toroso Investments, LLC | 10,524 | $6.67M | 0.06% | +2,809+36.4% | Added |
| Swiss Life Asset Management Ltd | 10,404 | $6.60M | 0.05% | +1,226+13.4% | Added |
| Quantinno Capital Management LP | 10,096 | $6.40M | 0.04% | +5,065+100.7% | Added |
| Thompson Siegel & Walmsley LLC | 10,076 | $6.39M | 0.11% | +2,424+31.7% | Added |
| TownSquare Capital, LLC | 10,064 | $6.38M | 0.07% | +2,854+39.6% | Added |
| JustInvest LLC | 10,061 | $6.38M | 0.09% | −130−1.3% | Reduced |
| Jacobs & Co | 10,050 | $6.37M | 0.68% | +859+9.3% | Added |
| Atria Investments LLC | 10,027 | $6.36M | 0.08% | +3,390+51.1% | Added |
| Tang Capital Management LLC | 10,000 | $6.34M | 0.35% | +8,000+400.0% | Added |
| AIMZ Investment Advisors, LLC | 9,854 | $6.25M | 2.18% | 00.0% | Unchanged |
| Oak Associates, Ltd | 9,832 | $6.24M | 0.47% | 00.0% | Unchanged |
| Shell Asset Management Co | 9,816 | $6.23M | 0.30% | −1,515−13.4% | Reduced |
| Legato Capital Management LLC | 9,784 | $6.21M | 0.84% | +5,277+117.1% | Added |
| Y-Intercept (Hong Kong) Ltd | 9,704 | $6.15M | 0.42% | −1,821−15.8% | Reduced |
| R.P. Boggs & Co. | 9,670 | $6.13M | 3.73% | +391+4.2% | Added |
| Nomura Holdings Inc | 9,629 | $6.11M | 0.03% | −18,172−65.4% | Reduced |
| ASR Vermogensbeheer N.V. | 9,485 | $6.02M | 0.09% | +9,485 | New |
| Dai-Ichi Life Insurance Company, Ltd | 9,428 | $5.98M | 0.17% | −494−5.0% | Reduced |
| Wealthspire Advisors, LLC | 9,350 | $5.93M | 0.04% | +3,731+66.4% | Added |
| Parallax Volatility Advisers, L.P. | 9,197 | $5.83M | 0.19% | +9,197 | New |
| Entropy Technologies, LP | 9,090 | $5.77M | 0.56% | +3,790+71.5% | Added |
| Oregon Public Employees Retirement Fund | 9,031 | $5.73M | 0.11% | +10+0.1% | Added |
| Capital Group Investment Management Pte. Ltd. | 8,925 | $5.66M | 1.16% | +182+2.1% | Added |
| Lifeworks Advisors, LLC | 8,909 | $5.65M | 0.94% | +2,166+32.1% | Added |
| Sienna Gestion | 9,165 | $5.65M | 0.46% | −566−5.8% | Reduced |
| DCF Advisers, LLC | 8,900 | $5.64M | 3.03% | 00.0% | Unchanged |
| Badgley Phelps Wealth Managers, LLC | 8,861 | $5.62M | 0.14% | +3,876+77.8% | Added |
| Avanza Fonder AB | 8,899 | $5.57M | 0.18% | −1,509−14.5% | Reduced |
| Cache Advisors, LLC | 8,616 | $5.46M | 2.10% | +4,756+123.2% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 8,566 | $5.43M | 0.01% | +3,288+62.3% | Added |
| Hunter Perkins Capital Management, LLC | 8,482 | $5.38M | 1.25% | +8,482 | New |
| Biondo Investment Advisors, LLC | 8,461 | $5.37M | 0.76% | +7,586+867.0% | Added |
| Atlas Capital Advisors LLC | 8,458 | $5.36M | 0.67% | −8−0.1% | Reduced |
| Greenwood Capital Associates LLC | 8,442 | $5.35M | 0.72% | +8,442 | New |
| Mercer Global Advisors Inc | 8,430 | $5.35M | 0.01% | −14,954−63.9% | Reduced |
| Mizuho Securities USA LLC | 8,424 | $5.34M | 0.12% | −1,553−15.6% | Reduced |
| Norinchukin Bank, The | 8,378 | $5.31M | 0.10% | +2,568+44.2% | Added |
| MML Investors Services, LLC | 8,346 | $5.29M | 0.02% | +813+10.8% | Added |
| Cornerstone Wealth Group, LLC | 8,270 | $5.24M | 0.44% | +4,405+114.0% | Added |
| Stratos Wealth Advisors, LLC | 8,227 | $5.22M | 0.29% | −354−4.1% | Reduced |
| Ieq Capital, LLC | 8,219 | $5.21M | 0.04% | +4,381+114.1% | Added |
| Walleye Capital LLC | 8,196 | $5.20M | 0.06% | −1,878−18.6% | Reduced |
| Ellerson Group Inc | 8,142 | $5.16M | 4.11% | +1,222+17.7% | Added |
| Teachers Retirement System of the State of Kentucky | 8,135 | $5.16M | 0.05% | +158+2.0% | Added |
| Cardinal Capital Management | 8,036 | $5.10M | 0.79% | +165+2.1% | Added |
| Intech Investment Management LLC | 7,985 | $5.06M | 0.05% | −6,356−44.3% | Reduced |
| Fiduciary Trust Co | 7,968 | $5.05M | 0.07% | −238−2.9% | Reduced |
| Schonfeld Strategic Advisors LLC | 7,880 | $5.00M | 0.03% | −14,508−64.8% | Reduced |
| Modera Wealth Management, LLC | 7,848 | $4.98M | 0.07% | −430−5.2% | Reduced |
| Bedell Frazier Investment Counseling, LLC | 7,821 | $4.96M | 1.26% | +2,916+59.4% | Added |
| UniSuper Management Pty Ltd | 7,802 | $4.95M | 0.04% | +496+6.8% | Added |
| Los Angeles Capital Management LLC | 7,765 | $4.92M | 0.02% | +7,239+1,376.2% | Added |
| Groupe la Francaise | 8,027 | $4.92M | 0.10% | −8,034−50.0% | Reduced |
| SIH Partners, LLLP | 7,750 | $4.92M | 0.43% | +7,750 | New |
| Ci Investments Inc. | 7,738 | $4.91M | 0.02% | +2,508+48.0% | Added |
| Founders Capital Management, LLC | 7,736 | $4.91M | 0.90% | −232−2.9% | Reduced |
| Fifth Third Bancorp | 7,691 | $4.88M | 0.02% | −952−11.0% | Reduced |
| Federation des caisses Desjardins du Quebec | 7,400 | $4.69M | 0.02% | −424−5.4% | Reduced |
| Vontobel Holding Ltd. | 7,339 | $4.65M | 0.02% | +881+13.6% | Added |
| Brevan Howard Capital Management LP | 7,339 | $4.65M | 0.13% | −351−4.6% | Reduced |
| ARS Investment Partners, LLC | 6,477 | $4.61M | 0.42% | −30.0% | Reduced |
| O'Shaughnessy Asset Management, LLC | 7,221 | $4.58M | 0.04% | +1,074+17.5% | Added |
| Perigon Wealth Management, LLC | 7,148 | $4.53M | 0.12% | −17−0.2% | Reduced |
| Kentucky Retirement Systems | 7,137 | $4.53M | 0.14% | −155−2.1% | Reduced |
| Woodstock Corp | 7,115 | $4.51M | 0.45% | +2,460+52.8% | Added |
| Persistent Asset Partners Ltd | 6,980 | $4.43M | 3.91% | +6,980 | New |
| Klingenstein Fields & Co LP | 6,944 | $4.40M | 0.19% | +138+2.0% | Added |
| Kovitz Investment Group Partners, LLC | 6,929 | $4.39M | 0.02% | +4,154+149.7% | Added |
| Ethic Inc. | 7,081 | $4.37M | 0.09% | −3,587−33.6% | Reduced |
| Cullen/Frost Bankers, Inc. | 6,868 | $4.36M | 0.06% | +561+8.9% | Added |
| Clear Harbor Asset Management, LLC | 6,803 | $4.31M | 0.34% | +1,382+25.5% | Added |
| Harvest Fund Management Co., Ltd | 6,800 | $4.31M | 0.21% | +440+6.9% | Added |
| Commerce Bank | 6,778 | $4.30M | 0.03% | −26−0.4% | Reduced |
| Impact Asset Management GmbH | 6,760 | $4.29M | 1.68% | +240+3.7% | Added |
| Clearbridge Investments, LLC | 6,724 | $4.26M | 0.00% | +2,746+69.0% | Added |
| Jefferies Financial Group Inc. | 6,623 | $4.20M | 0.07% | −29,199−81.5% | Reduced |