1 tracked superinvestor hold Merck & Co Inc (MRK), worth $682M combined, led by Bill Nygren. Smart money is holding MRK as of the latest 13F filings.
Current price
$150.34
Superinvestors holding
1
tracked 13F / N-PORT funds
Combined value
$682M
disclosed long exposure
Tier-1 conviction
0
concentrated holders
Net this quarter
0
0 buying · 0 selling
Smart money is holding MRK steady this quarter — buys and sells are balanced.
Merck & Co Inc (MRK) appears mainly in diversified and quant books here (1 funds, $682M 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.
Tracked holders were largely static this quarter — no new opens, adds or trims of size — suggesting the position is being held rather than actively traded.
| Investor | Move | % of their portfolio | Position value |
|---|---|---|---|
| Held | 3% | $682M |
Tier badge = signal quality: 1 concentrated conviction · 2 quant/multi (context) · 3 retail & diversified. Only Tier 1 holdings feed the consensus signal.
5 insiders filed SEC Form 144 for $30M of proposed sales in the last 90 days. A 144 is filed before the trade — see who else is selling.
| Insider | Role | Shares | Value | Filed |
|---|---|---|---|---|
| Chirfi Guindo | Officer | 10,000 | $1M | 2026-08-13 |
| Jennifer L Zachary | Officer | 80,315 | $11M | 2026-08-12 |
| Richard Robert Deluca Jr | Officer | 11,699 | $2M | 2026-08-12 |
| Richard Robert Deluca Jr | Officer | 12,837 | $2M | 2026-08-11 |
| Richard Robert Deluca Jr | Officer | 20,784 | $3M | 2026-08-10 |
| Chirfi Guindo | Officer | 15,000 | $2M | 2026-08-06 |
| Richard Robert Deluca Jr | Officer | 6,050 | $789K | 2026-08-06 |
| David M Williams | Officer | 52,847 | $7M | 2026-08-05 |
Which superinvestors own MRK?
1 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 0 trimmed it.
How much MRK do tracked funds hold?
Combined disclosed long exposure to MRK across tracked superinvestors is $682M as of the Jun 2026 filings.
One email when a tracked manager opens, adds to or files to sell a position — from Form 4, 13D and Form 144, not the 45-day-old 13F.
Holdings aggregated from the latest SEC 13F & N-PORT filings via FMP · Jun 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.