Merck & CoMRK

13F holders, Q3 2025 (September 30)
7holders −1
0new positions
1sold out
$83.97avg. 13F price*

At the end of Q3 2025, 7 institutions reported holding Merck & Co Inc (MRK) in their 13F filings, down 1 from Q2 2025. 0 opened new positions and 1 sold out. The largest holders were Bruce & Co., Inc. ($16.2M), Cohen Klingenstein LLC ($10.4M) and Ironwood Investment Counsel, LLC ($4.6M).

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 Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions0$0
Exits1$285K

All 13F filers, Q2 2025 → Q3 2025: 18,233 shares sold, net −18,233 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 7 holders

Bruce & Co., Inc. 5.01% No change 192,800 $16.2M
Cohen Klingenstein LLC 0.33% Reduce -2.4% 124,194 $10.4M
Ironwood Investment Counsel, LLC 0.67% Reduce -16.8% 54,867 $4.6M
West Oak Capital, LLC 1.04% Reduce -2.2% 24,857 $2.1M
Blue Edge Capital, LLC 0.22% No change 18,054 $1.5M
KERR FINANCIAL PLANNING Corp 0.19% — 1,464 $138K
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.