MRK Merck
Health Care, filed as MERCK & CO INC (COM), Equity As of 2026 Q3 among managers we track Quote on Google Finance, opens in a new tab
Bought by 1 manager in 2026 Q2, sold by 3
In 2026 Q3 Kentucky Trust added to Merck, Murphy Pohlad and David Katz trimmed, and Richard Pzena sold out.
Who owns this now
Largest portfolio weights among holders, up to 0.8% (Murphy Pohlad, Murphy Pohlad Asset Management). Not free-float ownership.
Who owns MRK
Sorted by value, long equity only, as of 2026 Q3. Exits show their last held size.
| History | |||||
|---|---|---|---|---|---|
| Murphy Pohlad, Murphy Pohlad Asset Management | Reduce −3.0% | 16,507 | $2.4M | History | |
| Kentucky Trust Co., Kentucky Trust | Add +1.0% | 10,180 | $1.5M | History | |
| David Katz, Matrix Asset Advisors | Reduce −3.0% | 1,621 | $236K | History | |
| Richard Pzena, Pzena Investment Management exited 2026 Q3 Last 2026 Q2 | Exit 0.00% | 2,511 | $323K | History |
Insider trades
Open-market buys and sales by MRK's executives, directors and 10% owners in the last 12 months, from their Form 4s
- None no insider bought on the open market
- $31.3M sold by 6 insiders outside a trading plan
- None no planned (10b5-1) sales
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Chirfi Guindo EVP, Access, Policy & CommsSale$1.4M 10,000 shares at $135.00 22% of stakeTraded Aug 13 Filed Aug 13
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Jennifer Zachary EVP, General CounselSale$10.7M 80,315 shares at $133.46 64% of stakeTraded Aug 12 Filed Aug 13
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Richard R. DeLuca EVP&Pres, Merck Animal HeallthSale$5.9M 45,320 shares at $131.12 29% of stakeTraded Aug 10–12 Filed Aug 12
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Richard R. DeLuca EVP&Pres, Merck Animal HeallthSale$789K 6,050 shares at $130.38 3.7% of stakeTraded Aug 6 Filed Aug 10
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David R. Maraldo EVP & Pres. MMDSale$2.4M 18,706 shares at $128.72 51% of stakeTraded Aug 5 Filed Aug 7
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David Michael Williams EVP,Chief Info&Digital OfficerSale$6.8M 52,847 shares at $128.77 63% of stakeTraded Aug 5 Filed Aug 7
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Chirfi Guindo EVP, Access, Policy & CommsSale$2M 15,000 shares at $131.00 24% of stakeTraded Aug 6 Filed Aug 7
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Cristal N Downing Chief Comm. & Public Afrs OfcrSale$616K 7,085 shares at $87.00 100% of stakeTraded Nov 10, 2025 Filed Nov 12, 2025
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David Michael Williams EVP,Chief Info&Digital OfficerSale$720K 8,614 shares at $83.59 26% of stakeTraded Nov 3, 2025 Filed Nov 4, 2025
Also filed in the last 12 months, not counted as buying or selling: 23 option exercises, 15 share withholdings for taxes, and 11 stock grants.
Congress
21 members of Congress traded MRK in the last three years: 29 buys and 28 sales. 29 members listed it in 2025 annual reports.
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Maria Elvira Salazar
Partial sale
$1K–$15K
Sep 24
filed Oct 7
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Maria Elvira Salazar
Buy
$15K–$50K
Aug 19
filed Sep 9
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Maria Elvira Salazar
Buy
$15K–$50K
Aug 19
filed Sep 9
- Alan Armstrong Sell $15K–$50K Mar 27 filed Jul 21
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Josh Gottheimer
Buy
$1K–$15K
Feb 4
filed Mar 16
-
Julie Johnson
Sell
$1K–$15K
Dec 18, 2025
filed Jan 15
SEC filings
Recent issuer filings from EDGAR, 8 shown.
Financials
US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.
Income statement
Balance sheet
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.