Merck & Co., Inc. - Common Stock (MRK)

CUSIP: 58933Y105

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Common Stock
Shares outstanding
2,527,521,347
Total 13F shares
1,898,708,150
Share change
-64,692,220
Total reported value
$159,322,005,847
Put/Call ratio
89%
Price per share
$83.93
Number of holders
3,275
Value change
-$5,254,641,395
Number of buys
1,500
Number of sells
1,570

Quarterly Holders Quick Answers

What is CUSIP 58933Y105?
CUSIP 58933Y105 identifies MRK - Merck & Co., Inc. - Common Stock in SEC institutional holdings data.

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Institutional Holders of Merck & Co., Inc. - Common Stock (MRK) as of Q3 2025

As of 30 Sep 2025, Merck & Co., Inc. - Common Stock (MRK) was held by 3,275 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 1,898,708,150 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock, Inc., STATE STREET CORP, WELLINGTON MANAGEMENT GROUP LLP, GEODE CAPITAL MANAGEMENT, LLC, CHARLES SCHWAB INVESTMENT MANAGEMENT INC, MORGAN STANLEY, JPMORGAN CHASE & CO, FMR LLC, and NORTHERN TRUST CORP. This page lists 3,276 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.