DOSSIER · 13F Holders · Q1 2026

Merck & Co

7 institutions still hold Merck & Co as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 589331107·7 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$55M
visible holders
Holders
7
filers reporting
Concentration
41.87%
Bruce & Co., Inc. #1
top holder share
AI Holders Summary · Q1 2026

7 institutions reported Merck & Co in Q1 2026. Bruce & Co., Inc. leads at 41.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Bruce & Co., Inc.
CIK 0001358331
$23M193K6.63%Q1 2026
02
Cohen Klingenstein LLC
CIK 0001453620
$16M124K0.46%Q2 2026
03
Grassi Investment Management
CIK 0001608531
$8M104K0.66%Q2 2025
04
Ironwood Investment Counsel, LLC
CIK 0001330463
$6M47K0.82%Q1 2026
05
Blue Edge Capital, LLC
CIK 0001599620
$2M19K0.30%Q1 2026
06
West Oak Capital, LLC
CIK 0001387399
$21K25K0.83%Q3 2025
07
HUNTINGTON NATIONAL BANK
CIK 0000049205
$3110.00%Q1 2026