Stocklore

Merck & Co., Inc. (MRK)

Biotech & Health · US stock

What changed in recent filings

  • Revenue +5% YoYQuarter ended Jun 30, 2026
  • Institutions — 2 new · 1 added · 2 reduced13F · as of end of 2026 Q2

What changed in recent SEC filings — factual, not a buy/sell recommendation.

Merck & Co., Inc. recent earnings releases

Based on SEC filings. The release date is the day the earnings filing (8-K) was accepted; for quarters where that filing was not found, the periodic report filing date is shown.

  • 26Q2Released Aug 4, 2026
    Revenue +5.1% YoY · EPS $-0.54
    Released before the open: Aug 3 close → Aug 4 close, the stock moved +0.2% · over the same window, market +1.8% · sector -0.2%
  • 26Q1Released Apr 30, 2026
    Revenue +4.9% YoY · EPS $-1.72
    Released before the open: Apr 29 close → Apr 30 close, the stock moved -1.6% · over the same window, market +1.0% · sector +1.0%
  • 25Q4Released Feb 3, 2026
    Revenue +5.0% YoY · EPS $1.20
    Released before the open: Feb 2 close → Feb 3 close, the stock moved +2.2% · over the same window, market -0.8% · sector -0.8%
  • 25Q3Released Oct 30, 2025
    Revenue +3.7% YoY · EPS $2.32
    Released before the open: Oct 29 close → Oct 30 close, the stock moved -0.3% · over the same window, market -1.1% · sector +0.0%

The next earnings release is estimated around Oct 29, 2026 (calculated from how long this company has taken between quarter end and filing; it is not a date announced by the company).

Institutions holding Merck & Co., Inc.

How many of the institutions we track reported holding this stock, quarter by quarter.

max 12
2019 Q1 · 72019 Q2 · 82019 Q3 · 82019 Q4 · 92020 Q1 · 92020 Q2 · 72020 Q3 · 92020 Q4 · 92021 Q1 · 102021 Q2 · 122021 Q3 · 102021 Q4 · 102022 Q1 · 102022 Q2 · 92022 Q3 · 122022 Q4 · 102023 Q1 · 112023 Q2 · 102023 Q3 · 122023 Q4 · 112024 Q1 · 82024 Q2 · 92024 Q3 · 102024 Q4 · 102025 Q1 · 92025 Q2 · 102025 Q3 · 112025 Q4 · 92026 Q1 · 82026 Q2 · 10
19 Q122 Q326 Q2

2019 Q1: 7 → 2026 Q2: 10 institutions

Counts the 52 institutions we track that reported holding this stock — their full reported holdings, not just the largest positions. Not the total number of institutional holders in the US. Figures are as of quarter-end and disclosed up to 45 days later. Descriptive only — not investment advice.

Which institutions hold Merck & Co., Inc.

Institutions we track that reported holding this stock in their most recent 13F.

  • National Pension Service (Korea)0.48% of portfolio · held as of 2019 Q1 or earlier
  • Dodge & Cox0.01% of portfolio · held as of 2019 Q1 or earlier
  • PRIMECAP Managementunder 0.01% of portfolio · held as of 2019 Q1 or earlier
  • Caisse de depot (Quebec)0.81% of portfolio · held as of 2019 Q1 or earlier
  • GQG Partners0.01% of portfolio · since 2021 Q1
  • Harris Associates (Oakmark)2.06% of portfolio · since 2024 Q3
  • Point72 Asset Management0.05% of portfolio · since 2025 Q2
  • Pzena Investment Managementunder 0.01% of portfolio · since 2025 Q2
  • Bridgewater AssociatesNew this quarter0.02% of portfolio · since 2026 Q2
  • Temasek Holdings (Singapore)New this quarter0.28% of portfolio · since 2026 Q2

Based on 13F filings — quarter-end holdings, disclosed up to 45 days later. Holding a stock is a fact we report, not a recommendation to buy or sell.

Q2 2026 13F recap — stocks several institutions bought and sold together →

Company overview

A pharma company where the immuno-oncology drug Keytruda accounts for over 40% of total revenue. Building out the pipeline to prepare for Keytruda's patent expiry is its challenge.

What is the Biotech & Health sector?

Pharma, biotech, and medical devices. Driven by trial-result events.

Merck & Co., Inc. is classified under the Biotech & Health sector. See peers below.

Merck & Co., Inc. key financials

Based on SEC filings · as of Jun 30, 2026

34.7%
1.22x
as of Jun 30, 2026

Tap a metric name to see its meaning in the glossary.

Merck & Co., Inc. vs Biotech & Health sector benchmark

Median of 38 representative sector stocks · SEC filings · factual comparison (not advice)

Revenue growth (YoY)
4.6%vs benchmark 8.1%↓ below
Net margin
4.8%vs benchmark 14.2%↓ below
ROE
34.7%vs benchmark 13.6%↑ above

A simple comparison to the sector benchmark. Higher or lower doesn’t mean good/bad or buy/sell.

MRK revenue by segment summary

SEC 10-Q · segment totals cross-checked against total revenue

2026-06-30 revenue was $16.6B, +5.1% YoY.

The largest segment is Pharmaceutical, 89.3% of revenue — a highly concentrated structure.

Recent revenue growth was led mainly by the Pharmaceutical segment (about 89% of the increase).

Full segment weights, YoY changes, and an AI synthesis are available in the detailed analysis.

ETFs holding Merck & Co., Inc.

Per SEC N-PORT · 2026-06-30 · by weight · factual

XLVState Street(R) Health Care Select Sector SPDR(R) ETF
5.52%
SCHDSchwab U.S. Dividend Equity ETF
3.86%
DIA
1.47%
VYMVANGUARD HIGH DIVIDEND YIELD INDEX FUND
1.31%
VTVVANGUARD VALUE INDEX FUND
1.19%
DVYiShares Select Dividend ETF
1.00%
JEPIJPMorgan Equity Premium Income ETF
0.80%
SPY
0.49%
VOOVANGUARD 500 INDEX FUND
0.49%
IVViShares Core S&P 500 ETF
0.49%
VTIVANGUARD TOTAL STOCK MARKET INDEX FUND
0.44%
ITOTiShares Core S&P Total U.S. Stock Market ETF
0.43%
RSPInvesco S&P 500 Equal Weight ETF
0.21%

MRK on Stocklore

  • Revenue by segment — segment weights verified from SEC filings, YoY changes, growth drivers and concentration
  • Financials & earnings quality — 6 metrics (FCF conversion, ROIC, net debt, etc.) to gauge profit quality
  • 13F institutional holdings — holdings and weight changes of major institutions (45-day delay)
  • Sector-relative metrics — Valuation and growth compared with the Biotech & Health average
See full MRK analysis →

Peers · Biotech & Health

MRK FAQ

What is Merck & Co., Inc. (MRK)?

A pharma company where the immuno-oncology drug Keytruda accounts for over 40% of total revenue. Building out the pipeline to prepare for Keytruda's patent expiry is its challenge.

What sector is Merck & Co., Inc. in?

Merck & Co., Inc. is classified under Biotech & Health. Pharma, biotech, and medical devices. Driven by trial-result events.

What are Merck & Co., Inc.'s key financials?

As of Jun 30, 2026 in SEC filings: Revenue growth (YoY) 4.6%, Net margin 4.8%, ROE 34.7%, Debt-to-equity 1.22x. Definitions and interpretation are available on Stocklore.

What are Merck & Co., Inc.'s main revenue segments?

The largest segment is Pharmaceutical, about 89.3% of revenue. Segment totals are cross-checked against total revenue from SEC filings.

Where can I analyze Merck & Co., Inc. (MRK) stock?

On Stocklore you can see MRK's financials & earnings quality, 13F institutional holdings, and sector-relative metrics in one place. This page is for information and tools — not a buy/sell recommendation.

Data sources: SEC EDGAR (financials & filings), 13F (institutional holdings, as of quarter-end), market data. This page is for information and analysis tools — it does not recommend buying or selling any security. Investment decisions and responsibility are your own.

Not an investment adviser and not personalized investment advice; not a discretionary management service. No trade recommendations, no target prices, no execution or brokerage. We do not recommend or guarantee any purchase, sale, or returns. Investment decisions and their outcomes are your own.

Stocklore · CEO Lee Seung-jae · Business reg. no. 764-36-01607 · E-commerce permit 2026-Jeonju Wansan-0476 · Tel +82-70-7954-4939 · S120, Rm 302, 3F, 21 Jungsanjungang-ro, Wansan-gu, Jeonju, Jeonbuk, Korea