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Regeneron Pharmaceuticals Top Holdings and 13F Report (2026)

About Regeneron Pharmaceuticals

Regeneron Pharmaceuticals NASDAQ: REGN has filed 13-F forms with the SEC as an investor. Regeneron Pharmaceuticals is itself a publicly traded company. Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) is a U.S.-based biotechnology company founded in 1988 and headquartered in Tarrytown, New York. It focuses on discovering, developing, manufacturing and commercializing medicines for serious medical conditions. The company combines laboratory research, clinical development and in-house manufacturing to advance a pipeline of biologic therapies across multiple therapeutic areas. For more information on Regeneron Pharmaceuticals stock, visit the Regeneron Pharmaceuticals stock profile here.

Investment Activity

  • Regeneron Pharmaceuticals has $177.22 million in total holdings as of June 30, 2026.
  • Regeneron Pharmaceuticals owns shares of 3 different stocks, but just 2 companies or ETFs make up 80% of its holdings.
  • Approximately 64.65% of the portfolio was purchased this quarter.
  • About 0.23% of the portfolio was sold this quarter.
  • This quarter, Regeneron Pharmaceuticals has purchased 2 new stocks and bought additional shares in 0 stocks.
  • Regeneron Pharmaceuticals sold shares of 0 stocks and completely divested from 1 stock this quarter.

Largest Holdings

Parabilis Medicines, Inc.
$114,041,648
Intellia Therapeutics
$62,654,675
Adicet Bio, Inc.
$522,819

Largest New Holdings this Quarter

698955101 - Parabilis Medicines, Inc.
$114,041,648 Holding
007002207 - Adicet Bio, Inc.
$522,819 Holding

Largest Purchases this Quarter

Parabilis Medicines, Inc.
4,166,666 shares (about $114.04M)
Adicet Bio, Inc.
60,511 shares (about $522.82K)

Sector Allocation Over Time

Map of 500 Largest Holdings ofRegeneron Pharmaceuticals

 
 
Selling
 
 
Neutral
 
 
Buying
Issuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSector
Parabilis Medicines, Inc.
$114,041,648$114,041,648 â–²New Holding4,166,66664.4%Common Stock
Intellia Therapeutics, Inc. stock logo
NTLA
Intellia Therapeutics
$62,654,6750.0%3,702,99535.4%Healthcare
Adicet Bio, Inc.
$522,819$522,819 â–²New Holding60,5110.3%Common Stock
Adicet Bio, Inc. stock logo
ACET
Adicet Bio
$0$412,080 â–¼-100.0%00.0%Healthcare

Showing largest 100 holdings. View all holdings.
SEC Filings and Trading Data