2 tracked superinvestors hold Merck & Co Inc (MRK), worth $1.2B combined, led by Bill Nygren. Smart money is trimming MRK as of the latest 13F filings.
Current price
$125.07
Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, and diabetes, as well as vaccine products, such as preventive pediatric, adolescent, and adult…
Market cap
$277.0B
P/E
15.41
Div yield
2.7%
Revenue YoY
1.2%
Analyst target
$135
Snapshot for context. For deep analysis use a stock screener — this page is about who owns it.
Superinvestors holding
2
tracked 13F / N-PORT funds
Combined value
$1.2B
disclosed long exposure
Tier-1 conviction
0
concentrated holders
Net this quarter
-1
0 buying · 1 selling
Smart money is net reducing MRK: 1 funds trimmed versus 0 adding.
Merck & Co Inc (MRK) appears mainly in diversified and quant books here (2 funds, $1.2B combined) rather than in concentrated conviction portfolios — read the holders below with that in mind.
The largest position belongs to Bill Nygren at 3% of their book — no single tracked manager treats it as an outsized, top-weighted bet.
No tracked fund opened a new position this quarter; 0 added and 1 trimmed, a net reduction.
| Investor | Move | % of their portfolio | Position value |
|---|---|---|---|
| Trimmed | 3% | $658M | |
| Held | 0.4% | $592M |
Tier badge = signal quality: 1 concentrated conviction · 2 quant/multi (context) · 3 retail & diversified. Only Tier 1 holdings feed the consensus signal.
Which superinvestors own MRK?
2 tracked funds hold Merck & Co Inc (MRK), the largest being Bill Nygren (Oakmark Fund) at 3% of its 13F portfolio. 0 of them are concentrated Tier-1 conviction managers.
Is smart money buying or selling MRK?
In the most recent 13F quarter, 0 tracked funds added or opened MRK and 1 trimmed it.
How much MRK do tracked funds hold?
Combined disclosed long exposure to MRK across tracked superinvestors is $1.2B as of the Mar 2026 filings.
Holdings aggregated from the latest SEC 13F & N-PORT filings via FMP · Mar 2026 quarter. Long equity positions only, reported with up to a 45-day delay — for activity between filings see real-time moves. Not financial advice.