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 |
|---|---|---|---|---|---|
| Persistent Asset Partners Ltd | 6,980 | $4.43M | 3.91% | +6,980 | New |
| Woodstock Corp | 7,115 | $4.51M | 0.45% | +2,460+52.8% | Added |
| Kentucky Retirement Systems | 7,137 | $4.53M | 0.14% | −155−2.1% | Reduced |
| Perigon Wealth Management, LLC | 7,148 | $4.53M | 0.12% | −17−0.2% | Reduced |
| O'Shaughnessy Asset Management, LLC | 7,221 | $4.58M | 0.04% | +1,074+17.5% | Added |
| ARS Investment Partners, LLC | 6,477 | $4.61M | 0.42% | −30.0% | Reduced |
| Brevan Howard Capital Management LP | 7,339 | $4.65M | 0.13% | −351−4.6% | Reduced |
| Vontobel Holding Ltd. | 7,339 | $4.65M | 0.02% | +881+13.6% | Added |
| Federation des caisses Desjardins du Quebec | 7,400 | $4.69M | 0.02% | −424−5.4% | Reduced |
| Fifth Third Bancorp | 7,691 | $4.88M | 0.02% | −952−11.0% | Reduced |
| Founders Capital Management, LLC | 7,736 | $4.91M | 0.90% | −232−2.9% | Reduced |
| Ci Investments Inc. | 7,738 | $4.91M | 0.02% | +2,508+48.0% | Added |
| SIH Partners, LLLP | 7,750 | $4.92M | 0.43% | +7,750 | New |
| Groupe la Francaise | 8,027 | $4.92M | 0.10% | −8,034−50.0% | Reduced |
| Los Angeles Capital Management LLC | 7,765 | $4.92M | 0.02% | +7,239+1,376.2% | Added |
| UniSuper Management Pty Ltd | 7,802 | $4.95M | 0.04% | +496+6.8% | Added |
| Bedell Frazier Investment Counseling, LLC | 7,821 | $4.96M | 1.26% | +2,916+59.4% | Added |
| Modera Wealth Management, LLC | 7,848 | $4.98M | 0.07% | −430−5.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 7,880 | $5.00M | 0.03% | −14,508−64.8% | Reduced |
| Fiduciary Trust Co | 7,968 | $5.05M | 0.07% | −238−2.9% | Reduced |
| Intech Investment Management LLC | 7,985 | $5.06M | 0.05% | −6,356−44.3% | Reduced |
| Cardinal Capital Management | 8,036 | $5.10M | 0.79% | +165+2.1% | Added |
| Teachers Retirement System of the State of Kentucky | 8,135 | $5.16M | 0.05% | +158+2.0% | Added |
| Ellerson Group Inc | 8,142 | $5.16M | 4.11% | +1,222+17.7% | Added |
| Walleye Capital LLC | 8,196 | $5.20M | 0.06% | −1,878−18.6% | Reduced |
| Ieq Capital, LLC | 8,219 | $5.21M | 0.04% | +4,381+114.1% | Added |
| Stratos Wealth Advisors, LLC | 8,227 | $5.22M | 0.29% | −354−4.1% | Reduced |
| Cornerstone Wealth Group, LLC | 8,270 | $5.24M | 0.44% | +4,405+114.0% | Added |
| MML Investors Services, LLC | 8,346 | $5.29M | 0.02% | +813+10.8% | Added |
| Norinchukin Bank, The | 8,378 | $5.31M | 0.10% | +2,568+44.2% | Added |
| Mizuho Securities USA LLC | 8,424 | $5.34M | 0.12% | −1,553−15.6% | Reduced |
| Mercer Global Advisors Inc | 8,430 | $5.35M | 0.01% | −14,954−63.9% | Reduced |
| Greenwood Capital Associates LLC | 8,442 | $5.35M | 0.72% | +8,442 | New |
| Atlas Capital Advisors LLC | 8,458 | $5.36M | 0.67% | −8−0.1% | Reduced |
| Biondo Investment Advisors, LLC | 8,461 | $5.37M | 0.76% | +7,586+867.0% | Added |
| Hunter Perkins Capital Management, LLC | 8,482 | $5.38M | 1.25% | +8,482 | New |
| Kayne Anderson Rudnick Investment Management LLC | 8,566 | $5.43M | 0.01% | +3,288+62.3% | Added |
| Cache Advisors, LLC | 8,616 | $5.46M | 2.10% | +4,756+123.2% | Added |
| Avanza Fonder AB | 8,899 | $5.57M | 0.18% | −1,509−14.5% | Reduced |
| Badgley Phelps Wealth Managers, LLC | 8,861 | $5.62M | 0.14% | +3,876+77.8% | Added |
| DCF Advisers, LLC | 8,900 | $5.64M | 3.03% | 00.0% | Unchanged |
| Sienna Gestion | 9,165 | $5.65M | 0.46% | −566−5.8% | Reduced |
| Lifeworks Advisors, LLC | 8,909 | $5.65M | 0.94% | +2,166+32.1% | Added |
| Capital Group Investment Management Pte. Ltd. | 8,925 | $5.66M | 1.16% | +182+2.1% | Added |
| Oregon Public Employees Retirement Fund | 9,031 | $5.73M | 0.11% | +10+0.1% | Added |
| Entropy Technologies, LP | 9,090 | $5.77M | 0.56% | +3,790+71.5% | Added |
| Parallax Volatility Advisers, L.P. | 9,197 | $5.83M | 0.19% | +9,197 | New |
| Wealthspire Advisors, LLC | 9,350 | $5.93M | 0.04% | +3,731+66.4% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 9,428 | $5.98M | 0.17% | −494−5.0% | Reduced |
| ASR Vermogensbeheer N.V. | 9,485 | $6.02M | 0.09% | +9,485 | New |
| Nomura Holdings Inc | 9,629 | $6.11M | 0.03% | −18,172−65.4% | Reduced |
| R.P. Boggs & Co. | 9,670 | $6.13M | 3.73% | +391+4.2% | Added |
| Y-Intercept (Hong Kong) Ltd | 9,704 | $6.15M | 0.42% | −1,821−15.8% | Reduced |
| Legato Capital Management LLC | 9,784 | $6.21M | 0.84% | +5,277+117.1% | Added |
| Shell Asset Management Co | 9,816 | $6.23M | 0.30% | −1,515−13.4% | Reduced |
| Oak Associates, Ltd | 9,832 | $6.24M | 0.47% | 00.0% | Unchanged |
| AIMZ Investment Advisors, LLC | 9,854 | $6.25M | 2.18% | 00.0% | Unchanged |
| Tang Capital Management LLC | 10,000 | $6.34M | 0.35% | +8,000+400.0% | Added |
| Atria Investments LLC | 10,027 | $6.36M | 0.08% | +3,390+51.1% | Added |
| Jacobs & Co | 10,050 | $6.37M | 0.68% | +859+9.3% | Added |
| JustInvest LLC | 10,061 | $6.38M | 0.09% | −130−1.3% | Reduced |
| TownSquare Capital, LLC | 10,064 | $6.38M | 0.07% | +2,854+39.6% | Added |
| Thompson Siegel & Walmsley LLC | 10,076 | $6.39M | 0.11% | +2,424+31.7% | Added |
| Quantinno Capital Management LP | 10,096 | $6.40M | 0.04% | +5,065+100.7% | Added |
| Swiss Life Asset Management Ltd | 10,404 | $6.60M | 0.05% | +1,226+13.4% | Added |
| Toroso Investments, LLC | 10,524 | $6.67M | 0.06% | +2,809+36.4% | Added |
| Cetera Investment Advisers | 10,575 | $6.71M | 0.01% | +1,336+14.5% | Added |
| Summit Financial, LLC | 10,596 | $6.72M | 0.19% | +64+0.6% | Added |
| Marietta Wealth Management, LLC | 10,778 | $6.84M | 1.00% | +2,501+30.2% | Added |
| Cutter & CO Brokerage, Inc. | 10,838 | $6.87M | 1.63% | +2,880+36.2% | Added |
| Anchor Capital Advisors LLC | 10,997 | $6.97M | 0.21% | +150+1.4% | Added |
| Advisor Group Holdings, Inc. | 10,995 | $6.98M | 0.02% | −5,242−32.3% | Reduced |
| Generali Asset Management SPA SGR | 11,034 | $7.00M | 0.17% | −324−2.9% | Reduced |
| Yousif Capital Management, LLC | 11,070 | $7.02M | 0.08% | −258−2.3% | Reduced |
| Livforsakringsbolaget Skandia, Omsesidigt | 11,332 | $7.18M | 0.41% | 00.0% | Unchanged |
| Creative Planning | 11,367 | $7.21M | 0.01% | +1,209+11.9% | Added |
| Profund Advisors LLC | 11,525 | $7.31M | 0.32% | −1,253−9.8% | Reduced |
| Magnetar Financial LLC | 11,542 | $7.32M | 0.10% | −96,608−89.3% | Reduced |
| Westwood Holdings Group Inc. | 11,582 | $7.35M | 0.06% | −442−3.7% | Reduced |
| Martingale Asset Management L P | 11,596 | $7.35M | 0.19% | −8,612−42.6% | Reduced |
| OP Asset Management Ltd | 11,699 | $7.42M | 0.13% | +11,699 | New |
| Banco Santander, S.A. | 11,852 | $7.52M | 0.08% | +4,374+58.5% | Added |
| NorthCrest Asset Manangement, LLC | 11,903 | $7.55M | 0.23% | +557+4.9% | Added |
| Factory Mutual Insurance Co | 12,100 | $7.67M | 0.09% | +8,200+210.3% | Added |
| Elo Mutual Pension Insurance Co | 12,132 | $7.69M | 0.17% | +12,132 | New |
| Centre Asset Management, LLC | 12,203 | $7.74M | 1.99% | +12,203 | New |
| Mutual of America Capital Management LLC | 12,218 | $7.75M | 0.09% | −860−6.6% | Reduced |
| Catalio Capital Management, LP | 12,261 | $7.78M | 1.93% | +12,261 | New |
| Calamos Advisors LLC | 12,272 | $7.78M | 0.04% | −10,386−45.8% | Reduced |
| Qsemble Capital Management, LP | 12,316 | $7.81M | 0.83% | +7,548+158.3% | Added |
| Apriem Advisors | 12,436 | $7.89M | 0.92% | −2,058−14.2% | Reduced |
| Aquatic Capital Management LLC | 12,561 | $7.97M | 0.20% | −14,520−53.6% | Reduced |
| RK Asset Management, LLC | 12,563 | $7.97M | 7.36% | +2,574+25.8% | Added |
| Mariner, LLC | 12,641 | $8.02M | 0.01% | +1,053+9.1% | Added |
| CIBC World Markets Corp | 12,820 | $8.13M | 0.06% | −6,333−33.1% | Reduced |
| Harvey Capital Management Inc | 13,092 | $8.30M | 2.17% | +28+0.2% | Added |
| Fagan Associates, Inc. | 13,126 | $8.33M | 1.39% | +203+1.6% | Added |
| M&G Plc | 13,573 | $8.61M | 0.04% | +820+6.4% | Added |
| Louisiana State Employees Retirement System | 13,600 | $8.63M | 0.17% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 13,553 | $8.64M | 0.00% | +80+0.6% | Added |