Equity · Healthcare
MRK
NYSEMerck & Co. (MRK)
The line runs 136 USD on 17 August through 146.98 USD on 12 November, on a scale from 130 to 160. Days the market did not trade hold the previous close, flat.
- Market cap
- 362.3B USD
- P/E (TTM)
- 151.5
- Revenue, year to Dec 2025
- 65.0B USD
- EPS, diluted, year to Dec 2025
- 7.28 USD
- 52-week range
- 84.42 USD – 156.44 USD
- Avg volume
- 469.7K
- Mentions, 30 days
- 35
- Net sentiment
- +0.15
as of Nov 12, 2026
Have Merck & Co. (MRK) insiders bought or sold shares recently?
MRK's newest Form 4 filing is dated 13 August 2026: none in the last 90 days.
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 13 Aug 2026 | Guindo ChirfiEVP, Access, Policy & Comms | Sell | 10,000 | 1.4M USD |
| 12 Aug 2026 | DeLuca Richard R.EVP&Pres, Merck Animal Heallth | Sell | 11,699 | 1.5M USD |
| 12 Aug 2026 | Zachary JenniferEVP, General Counsel | Sell | 80,315 | 10.7M USD |
| 11 Aug 2026 | DeLuca Richard R.EVP&Pres, Merck Animal Heallth | Sell | 12,837 | 1.7M USD |
| 10 Aug 2026 | DeLuca Richard R.EVP&Pres, Merck Animal Heallth | Sell | 20,784 | 2.7M USD |
| 06 Aug 2026 | Guindo ChirfiEVP, Access, Policy & Comms | Sell | 15,000 | 2.0M USD |
| 06 Aug 2026 | DeLuca Richard R.EVP&Pres, Merck Animal Heallth | Sell | 6,050 | 789K USD |
| 05 Aug 2026 | Maraldo David R.EVP & Pres. MMD | Sell | 18,706 | 2.4M USD |
| 05 Aug 2026 | Williams David MichaelEVP,Chief Info&Digital Officer | Sell | 52,847 | 6.8M USD |
| 12 Feb 2026 | Guindo ChirfiChief Marketing Officer | Sell | 10,000 | 1.2M USD |
| 10 Feb 2026 | Li Dean YExecutive VP & President, MRL | Sell | 10,235 | 1.2M USD |
| 09 Feb 2026 | Guindo ChirfiChief Marketing Officer | Sell | 10,000 | 1.2M USD |
| Sold | 23 open-market sales | 584,348 | $72.01M |
Showing the 12 most recent of 23 open-market trades in this window. The figures above count all of them.
49 other filings: grants, exercises, tax withholding and transfers, not trades
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 12 Aug 2026 | Zachary JenniferEVP, General Counsel | Option exercise | 54,927 | 6.0M USD |
| 05 Aug 2026 | Maraldo David R.EVP & Pres. MMD | Option exercise | 18,706 | 1.5M USD |
| 05 Aug 2026 | Williams David MichaelEVP,Chief Info&Digital Officer | Option exercise | 52,847 | 3.9M USD |
| 02 May 2026 | Maraldo David R.EVP & Pres. MMD | Option exercise | 552 | 62K USD |
| 02 May 2026 | Maraldo David R.EVP & Pres. MMD | Tax withheld | 159 | 18K USD |
| 02 May 2026 | Smart Dalton E. IIISVP Fin. - Global Controller | Option exercise | 383 | 43K USD |
| 02 May 2026 | Smart Dalton E. IIISVP Fin. - Global Controller | Tax withheld | 132 | 15K USD |
| 30 Apr 2026 | Larson Betty DEVP, Chief HR Officer | Option exercise | 11,350 | 1.3M USD |
| 30 Apr 2026 | Larson Betty DEVP, Chief HR Officer | Tax withheld | 5,143 | 571K USD |
| 30 Apr 2026 | Smart Dalton E. IIISVP Fin. - Global Controller | Option exercise | 464 | 51K USD |
| 30 Apr 2026 | Smart Dalton E. IIISVP Fin. - Global Controller | Tax withheld | 159 | 18K USD |
| 29 Apr 2026 | Chattopadhyay SanatExe V-P & Pres. MMD | Option exercise | 2,597 | 286K USD |
Showing the 12 most recent of 49 compensation filings in this window. The figures above count all of them.
Which funds hold Merck & Co. (MRK)?
3 of the 45 institutional funds we track reported a Merck & Co. position for the quarter ended 30 Sep 2026 — a combined 6.1B USD; the latest of those filings landed 12 Nov 2026.
| Fund | Position | Shares | Value | Shares q/q |
|---|---|---|---|---|
| Fisher Asset Management | Held (±25%) | 41,699,432 | 6.1B USD | +8.3% |
| GAMCO Investors | Held (±25%) | 63,143 | 9.2M USD | +0.8% |
| Renaissance Technologies | New position | 4,357 | 633K USD |
Have members of Congress traded Merck & Co. (MRK)?
The most recent congressional trade disclosed in Merck & Co. is a sale by Maria Elvira Salazar (house, FL), dated 24 Sep 2026.
STOCK Act disclosures
| Traded | Member | Type | Amount | Filed after |
|---|---|---|---|---|
| 24 Sep 2026 | Maria Elvira Salazarhouse · Republican–FL | Sale | 1K USD–15K USD | 13 days |
| 19 Aug 2026 | Maria Elvira Salazarhouse · Republican–FL | Purchase | 15K USD–50K USD | 21 days |
| 19 Dec 2025 | Gilbert Ray Cisneros, Jr.house · Democrat–CA | Purchase | 1K USD–15K USD | 24 days |
| 18 Dec 2025 | Julie Johnsonhouse · Democrat–TX | Sale | 1K USD–15K USD | 28 days |
| 18 Nov 2025 | Gilbert Ray Cisneros, Jr.house · Democrat–CA | Purchase | 1K USD–15K USD | 27 days |
| 13 Nov 2025 | Julie Johnsonhouse · Democrat–TX | Sale | 1K USD–15K USD | 28 days |
| 23 Sep 2025 | Val T. Hoylehouse · Democrat–OR | Sale | 1K USD–15K USD | 17 days |
| 14 Aug 2025 | Julie Johnsonhouse · Democrat–TX | Sale | 1K USD–15K USD | 28 days |
What has been filed or recorded for Merck & Co. (MRK)?
The filings we hold for Merck & Co., newest first: 4 fails-to-deliver days, 6 quarterly earnings reports, 2 annual reports and 5 reported financial figures, the latest dated 13 Oct 2026. No next earnings date is announced in SEC filings yet.
| And | ||||
|---|---|---|---|---|
| 13 Oct 2026 | Fails to deliver | Shares failed to deliver | 6,694 shares | 974K USD notional · <0.001% of shares out |
| 09 Oct 2026 | Fails to deliver | Shares failed to deliver | 69,948 shares | 10.0M USD notional · 0.003% of shares out |
| 02 Oct 2026 | Fails to deliver | Shares failed to deliver | 25 shares | 4K USD notional · <0.001% of shares out |
| 30 Sep 2026 | Fails to deliver | Shares failed to deliver | 5,675 shares | 847K USD notional · <0.001% of shares out |
| 30 Sep 2026 | Quarterly earnings | Q3 2026 reported | EPS 2.04 USD | Revenue $18.09B |
| 30 Sep 2026 | Financials | Total assets | 132.8B USD | at period end |
| 30 Sep 2026 | Financials | Total equity | 44.9B USD | at period end |
| 30 Jun 2026 | Quarterly earnings | Q2 2026 reported | EPS −0.54 USD | Revenue $16.61B |
| 31 Mar 2026 | Quarterly earnings | Q1 2026 reported | EPS −1.72 USD | Revenue $16.29B |
| 31 Dec 2025 | Annual report | FY 2025 reported | EPS 7.28 USD | Revenue $65.01B |
| 31 Dec 2025 | Financials | Revenue | 65.0B USD | fiscal year |
| 31 Dec 2025 | Financials | Net income | 18.3B USD | fiscal year |
| 31 Dec 2025 | Financials | Diluted EPS | 7.28 USD | fiscal year |
| 30 Sep 2025 | Quarterly earnings | Q3 2025 reported | EPS 2.32 USD | Revenue $17.28B |
| 30 Jun 2025 | Quarterly earnings | Q2 2025 reported | EPS 1.76 USD | Revenue $15.81B |
| 31 Mar 2025 | Quarterly earnings | Q1 2025 reported | EPS 2.01 USD | Revenue $15.53B |
| 31 Dec 2024 | Annual report | FY 2024 reported | EPS 6.74 USD | Revenue $64.17B |
What is Reddit saying about Merck & Co. (MRK)?
Reddit mentioned MRK 35 times in the 30 days to 13 November 2026, across 5 of the communities we track. All of them were scored for sentiment: 77% read bullish, 3% bearish and 20% neither. Reddit data updated 13 November 2026.
30-day window, Method
How do Reddit mentions of Merck & Co. (MRK) compare with its price?
Share ↗
Which subreddits are talking about Merck & Co. (MRK)?
30 days
| Community | Share | Mentions | Net sentiment |
|---|---|---|---|
| r/wallstreetbets | 54% | 19 | +0.13 |
| r/etfs | 20% | 7 | +0.11 |
| r/stocks | 17% | 6 | +0.30 |
| r/options | 6% | 2 | +0.06 |
| r/investing | 3% | 1 | +0.08 |
Which names move with Merck & Co. (MRK) on Reddit?
MRNA moved most closely with Merck & Co. (MRK): when the crowd talked about one, it talked about the other (+0.80 over 31 days). Co-discussion, not price.
Initial Jobless Claims | ||||||
|---|---|---|---|---|---|---|
MRK | +0.80 | +0.78 | +0.77 | +0.74 | +0.73 | +0.70 |
View the matrix as a tableHide the table
| Pair | Match | Days measured |
|---|---|---|
| MRK and MRNA | +0.80 | 31 days |
| MRK and FAX | +0.78 | 31 days |
| MRK and WDC | +0.77 | 31 days |
| MRK and Initial Jobless Claims | +0.74 | 31 days |
| MRK and TOGI | +0.73 | 31 days |
| MRK and FPS | +0.70 | 31 days |
What do people ask about Merck & Co. (MRK)?
What did Merck & Co. shares close at?146.98
Merck & Co. closed at 146.98 USD on 12 Nov 2026, down 0.69% on the close before. That is the end-of-day price from Finazon, not a live quote.
What is Merck & Co.’s market cap?362.3B
Merck & Co. is worth 362.3B USD by market value as of 12 Nov 2026, which is the share price times the shares on issue from its SEC filings.
What is Merck & Co.’s P/E ratio?151.5
Merck & Co. has a price-to-earnings ratio of 151.5, as of 12 Nov 2026: the share price divided by what the company earned per share over the last four reported quarters. A higher number means the market pays more for each dollar of earnings.
What is Merck & Co.’s revenue?65.0B
Merck & Co. reported revenue of 65.0B USD for the year ended 31 Dec 2025, as filed with the SEC. See Filings
Have Merck & Co. insiders bought or sold shares recently?
No Merck & Co. insider has filed a Form 4 in the last 90 days; the most recent filing we hold is dated 13 Aug 2026 (SEC Form 4). See Insiders
Which funds own Merck & Co.?3 of 45
3 of the 45 funds we track reported a Merck & Co. position for the quarter ended 30 Sep 2026, per their SEC Form 13F filings. The largest reported positions were Fisher Asset Management, GAMCO Investors and Renaissance Technologies. See Funds
Have members of Congress traded Merck & Co.?95 trades
Yes. 95 trades in Merck & Co. appear in the congressional disclosures we hold; the latest is a sale by Maria Elvira Salazar (House, FL) dated 24 Sep 2026, filed 7 Oct 2026. Amounts are disclosed as ranges, and a filing can follow the trade by up to 45 days. See Congress
When did Merck & Co. last report earnings?2.04
Merck & Co. last reported earnings on 30 Sep 2026 for Q3 2026, with EPS of 2.04 USD; no next date is announced in SEC filings yet. See Filings
What is Reddit saying about Merck & Co.?3 mentions
Merck & Co. was mentioned 3 times in the last 7 days across the finance subreddits we track, and 35 times over the trailing 30 days. Of the 35 mentions scored for sentiment, 77% read bullish and 3% bearish. That is a social signal, not investment advice. See Reddit

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.
References
- Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
- TradingViewthe price chart widget, drawn by TradingView from their own data
- RedditReddit ingest across the tracked finance subreddits
- SEC EDGARForm 4 filings (insider transactions)
- SEC EDGAR13F filings
- Wikimedia CommonsPortraits via Wikimedia Commons. Val T. Hoyle: Val Hoyle for Congress, CC BY-SA 2.0; Gilbert Ray Cisneros, Jr.: United States Department of Defense, Public domain; Maria Elvira Salazar: Office of Congresswoman Maria Elvira Salazar, Public domain.
- House disclosuresU.S. House of Representatives financial disclosures
- SECSEC fails-to-deliver (CNS) data
- SEC EDGARXBRL company facts, latest period ended 30 Sep 2026
- SEC EDGARreported earnings figures and scheduled report dates
- SEC EDGARValuation computed from SEC EDGAR filings