from2028 Activists Investors Trump Politicians Serenity Citrini Semianalysis

$MRK · MERCK & CO INC NEW COM

Pharmaceuticals (Keytruda) and vaccines

2 tracked filer(s) hold this · 0 opened, 0 added, 2 trimmed in 31-MAR-2026

Aggregate 13FScore 50 — mean of 2 scored holder(s). Higher = the smart money in this name has the better track record.

Filer	13FScore	This quarter	Shares	Value	% of their book
Bill Nygren / Oakmark (Harris Associates)	62	Trimmed -12%	12,366,933	$1,487,618,401	2.0%
Ancora	38	Trimmed -2%	22,292	$2,681,538	0.1%

Every tracked holder of this name, sorted new → added → flat → trimmed. Shares = reported 13F share count; Value as reported (a few managers file values in $thousands). Generated 2026-06-27.