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Merck & Co., Inc. Top Holdings and 13F Report (2025)

About Merck & Co., Inc.

Merck & Co., Inc. NYSE: MRK has filed 13-F forms with the SEC as an investor. Merck & Co., Inc. is itself a publicly traded company. Merck & Co., Inc. is a health care company, which engages in the provision of health solutions through its prescription medicines, vaccines, biologic therapies, animal health, and consumer care products. For more information on Merck & Co., Inc. stock, visit the Merck & Co., Inc. stock profile here.

Investment Activity

  • Merck & Co., Inc. has $349.44 million in total holdings as of June 30, 2025.
  • Merck & Co., Inc. owns shares of 14 different stocks, but just 4 companies or ETFs make up 80% of its holdings.
  • Approximately 10.18% of the portfolio was purchased this quarter.
  • About 0.27% of the portfolio was sold this quarter.
  • This quarter, Merck & Co., Inc. has purchased 12 new stocks and bought additional shares in 1 stock.
  • Merck & Co., Inc. sold shares of 0 stocks and completely divested from 1 stock this quarter.

Largest Holdings

Moderna
$117,256,052
Personalis
$89,466,287
ENTRADA THERAPEUTICS INC
$21,955,872
EIKON THERAPEUTICS INC
$17,633,326

Largest New Holdings this Quarter

282564103 - EIKON THERAPEUTICS INC
$17,633,326 Holding
01021M104 - AKTIS ONCOLOGY INC
$17,046,379 Holding
98422T209 - XILIO THERAPEUTICS INC
$891,309 Holding

Largest Purchases this Quarter

EIKON THERAPEUTICS INC
1,666,666 shares (about $17.63M)
AKTIS ONCOLOGY INC
952,844 shares (about $17.05M)
XILIO THERAPEUTICS INC
105,982 shares (about $891.31K)
TUHURA BIOSCIENCES
5,495 shares (about $9.84K)

Sector Allocation Over Time

Map of 500 Largest Holdings ofMerck & Co., Inc.

 
 
Selling
 
 
Neutral
 
 
Buying
Issuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSector
Moderna, Inc. stock logo
MRNA
Moderna
$117,256,0520.0%2,308,19033.6%Medical
Personalis, Inc. stock logo
PSNL
Personalis
$89,466,2870.0%14,044,94325.6%Medical
Kymera Therapeutics, Inc. stock logo
KYMR
Kymera Therapeutics
$64,313,6230.0%772,16518.4%Medical
ENTRADA THERAPEUTICS INC
$21,955,8720.0%1,739,7686.3%COM
EIKON THERAPEUTICS INC
$17,633,326$17,633,326 â–²New Holding1,666,6665.0%COM
AKTIS ONCOLOGY INC
$17,046,379$17,046,379 â–²New Holding952,8444.9%COM
Alector, Inc. stock logo
ALEC
Alector
$7,623,2970.0%3,545,7192.2%Medical
Sutro Biopharma, Inc. stock logo
STRO
Sutro Biopharma
$6,784,2630.0%272,3511.9%Medical
EVAXION BIOTECH A/S
$4,516,5490.0%1,214,1261.3%SPONSORED ADS
Viridian Therapeutics, Inc. stock logo
VRDN
Viridian Therapeutics
$1,827,1780.0%93,4140.5%Medical
XILIO THERAPEUTICS INC
$891,309$891,309 â–²New Holding105,9820.3%COM
Carisma Therapeutics Inc. stock logo
CARM
Carisma Therapeutics
$47,8800.0%1,473,2400.0%Medical
NEUPHORIA THERAPEUTICS INC
$40,8100.0%10,0270.0%COM
TUHURA BIOSCIENCES
$34,807$9,836 â–²39.4%19,4450.0%COM
Xilio Therapeutics, Inc. stock logo
XLO
Xilio Therapeutics
$0$949,902 â–¼-100.0%00.0%Medical

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