Merck & Co., Inc. - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on February 17, 2026, for the 2025 Q4 period, Merck & Co., Inc. held in its portfolio 12 assets valued at $276,276,803 (i.e. $276.28M).

The most valuable assets in the portfolio included: PERSONALIS INC ($111.80M), MODERNA INC ($68.07M), and KYMERA THERAPEUTICS INC ($60.08M).

The chart below shows the top 10 valuable assets, and the table below shows the top 12 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.

Data Source: SEC.

Top Valuable Stocks in Merck & Co., Inc. Portfolio

PERSONALIS INC

MODERNA INC

KYMERA THERAPEUTICS INC

ENTRADA THERAPEUTICS INC

EVAXION BIOTECH A/S

ALECTOR INC

SUTRO BIOPHARMA INC

VIRIDIAN THERAPEUTICS INC

XILIO THERAPEUTICS INC

CARISMA THERAPEUTICS INC

Merck & Co., Inc. - Stock Holdings in 13F Filings (SEC)

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Name of Issuer	No. of Shares	Value ($)	Class
PERSONALIS INC	14044943	111797746	COM
MODERNA INC	2308190	68068523	COM
KYMERA THERAPEUTICS INC	772165	60082159	COM
ENTRADA THERAPEUTICS INC	1739768	17884815	COM
EVAXION BIOTECH A/S	1214126	5791381	SPONSORED ADS
ALECTOR INC	3545719	5531322	COM
SUTRO BIOPHARMA INC	272351	3151101	COM
VIRIDIAN THERAPEUTICS INC	93414	2907044	COM
XILIO THERAPEUTICS INC	1483758	949902	COM
CARISMA THERAPEUTICS INC	1473240	63349	COM
NEUPHORIA THERAPEUTICS INC	10027	38905	COM
TUHURA BIOSCIENCES	13950	10556	COM