Merck & Co., Inc.
MRKNYSEHealthcare● Active
$120.79
+$0.53(+0.44%)
Market Cap$298.3B
P/E Ratio—
52W High$125.14
52W Low$76.66
Merck & Co., Inc. (MRK) Stock Splits
No forward or reverse splits on record since IPO — details below.
FMP · MRK · as of Jun 5, 2026
Key split metrics
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Merck & Co., Inc. (MRK) has been publicly traded since Jan 13, 1978 with no forward or reverse splits on record.
About stock split history
Merck & Co., Inc. (MRK) has never undergone a stock split since going public.
Frequently asked questions
Merck & Co., Inc. (MRK) has never split its stock since going public.
MRK stock split historyhas MRK ever stock splitno stock split since IPO
Data: Financial Modeling Prep · Updated daily · For informational purposes only, not investment advice.