Merck & CoMRK

13F holders, Q4 2025 (December 31)
5holders −2
0new positions
1sold out
$105.26avg. 13F price*

At the end of Q4 2025, 5 institutions reported holding Merck & Co Inc (MRK) in their 13F filings, down 2 from Q3 2025. 0 opened new positions and 1 sold out. The largest holders were Bruce & Co., Inc. ($20.3M), Cohen Klingenstein LLC ($13.1M) and Ironwood Investment Counsel, LLC ($5.3M).

Company
Merck & Co Inc
CUSIP
589331107
Latest filing quarter
Q2 2026

History

Number of 13F holders

051015 Q1 2024: 11Q1 2024Q2 2024: 13Q2 2024Q3 2024: 13Q3 2024Q4 2024: 12Q4 2024Q1 2025: 8Q1 2025Q2 2025: 8Q2 2025Q3 2025: 7Q3 2025Q4 2025: 5Q4 2025Q1 2026: 5Q1 2026Q2 2026: 7Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions0$0
Exits1$138K

All 13F filers, Q3 2025 → Q4 2025: 6,186 shares sold, net −6,186 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 5 holders

Bruce & Co., Inc. 6.29% No change 192,800 $20.3M
Cohen Klingenstein LLC 0.40% No change 124,194 $13.1M
Ironwood Investment Counsel, LLC 0.74% Reduce -8.6% 50,145 $5.3M
Blue Edge Capital, LLC 0.25% No change 18,054 $1.9M
Huntington National Bank 0.00% No change 1 $31

"% of holder's portfolio" is MRK's weight in each manager's 13F, not the share of Merck & Co Inc the manager owns.