— Know what they know.
Not Investment Advice
Also trades as: 0QAH.L (LSE) · $vol 8M · 6MK.DE (XETRA) · $vol 0M · MRK.PA (PAR) · $vol 0M

MRK NYSE

Merck & Co., Inc.
1W: +3.4% 1M: +7.4% 3M: +2.9% YTD: +12.3% 1Y: +55.8% 3Y: +15.7% 5Y: +92.1%
$119.60
+0.08 (+0.07%)
 
Weekly Expected Move ±4.7%
$109 $115 $121 $127 $132
NYSE · Healthcare · Drug Manufacturers - General · Alpha Radar Strong Buy · Power 72 · $295.4B mcap · 2.47B float · 0.430% daily turnover · Short 45% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
3,902
Institutions Holding
+105 vs prior
71.2%
Ownership
+3.12%
306 New
1351 Increased
1828 Reduced
378 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-05-02 Maraldo David R. officer: evp & pres. mmd F-Tax Withholding 159 $112.16 $18K Filing
2026-05-02 Smart Dalton E. III officer: svp fin. - global controller F-Tax Withholding 132 $112.16 $15K Filing
2026-04-30 Smart Dalton E. III officer: svp fin. - global controller F-Tax Withholding 159 $110.95 $18K Filing
2026-04-30 Larson Betty D officer: evp, chief hr officer F-Tax Withholding 5,143 $110.95 $571K Filing
2026-04-29 Larson Betty D officer: evp, chief hr officer F-Tax Withholding 715 $110.03 $79K Filing
2026-04-29 Li Dean Y officer: executive vp & president, mrl F-Tax Withholding 2,326 $110.03 $256K Filing
2026-04-29 Zachary Jennifer officer: evp, general counsel F-Tax Withholding 1,454 $110.03 $160K Filing
2026-04-29 Litchfield Caroline officer: evp & cfo F-Tax Withholding 1,938 $110.03 $213K Filing
2026-04-29 Davis Robert M officer: chairman, ceo & president F-Tax Withholding 6,551 $110.03 $721K Filing
2026-04-29 Oosthuizen Johannes Jacobus officer: evp, oncology & int?l F-Tax Withholding 679 $110.03 $75K Filing
2026-04-29 Williams David Michael officer: evp,chief info&digital officer F-Tax Withholding 679 $110.03 $75K Filing
2026-04-29 Smart Dalton E. III officer: svp fin. - global controller F-Tax Withholding 324 $110.03 $36K Filing
2026-04-29 DeLuca Richard R. officer: evp&pres, merck animal heallth F-Tax Withholding 1,241 $110.03 $137K Filing
2026-04-29 Chattopadhyay Sanat officer: exe v-p & pres. mmd F-Tax Withholding 1,130 $110.03 $124K Filing
2026-04-29 Guindo Chirfi officer: evp, access, policy & comms F-Tax Withholding 969 $110.03 $107K Filing
2026-02-12 Guindo Chirfi officer: chief marketing officer S-Sale 10,000 $121.46 $1.2M Filing
2026-02-10 Li Dean Y officer: executive vp & president, mrl S-Sale 10,235 $117.52 $1.2M Filing
2026-02-09 Zachary Jennifer officer: evp, general counsel S-Sale 25,946 $119.15 $3.1M Filing
2026-02-09 Zachary Jennifer officer: evp, general counsel S-Sale 56,792 $119.15 $6.8M Filing
2026-02-09 Zachary Jennifer officer: evp, general counsel S-Sale 38,835 $119.15 $4.6M Filing
2026-02-09 Guindo Chirfi officer: chief marketing officer S-Sale 10,000 $118.41 $1.2M Filing
2026-02-06 Oosthuizen Johannes Jacobus officer: president, u.s. market S-Sale 15,000 $121.87 $1.8M Filing
2026-02-06 Williams David Michael officer: evp,chief info&digital officer S-Sale 5,000 $121.91 $610K Filing
2026-02-06 DeLuca Richard R. officer: evp&pres, merck animal heallth S-Sale 37,685 $120.92 $4.6M Filing
2026-02-05 Guindo Chirfi officer: chief marketing officer S-Sale 20,000 $121.88 $2.4M Filing

🏛️ Congressional Trades

25 records
Date Politician Chamber Type Amount Filing
2026-02-04 Josh Gottheimer House Buy $1,001 - $15,000 Filing
2026-01-13 Michael McCaul House Sell $15,001 - $50,000 Filing
2025-12-19 Gilbert Cisneros House Buy $1,001 - $15,000 Filing
2025-12-18 Julie Johnson House Sell $1,001 - $15,000 Filing
2025-11-13 Julie Johnson House Sell $1,001 - $15,000 Filing
2025-09-23 Val Hoyle House Sell $1,001 - $15,000 Filing
2025-08-28 Marjorie Taylor Greene House Buy $1,001 - $15,000 Filing
2025-08-14 Julie Johnson House Sell $1,001 - $15,000 Filing
2025-08-05 Gilbert Cisneros House Buy $1,001 - $15,000 Filing
2025-08-04 Lisa McClain House Sell $1,001 - $15,000 Filing
2025-07-11 Ritchie Torres House Sell $1,001 - $15,000 Filing
2025-06-24 Lisa McClain House Buy $1,001 - $15,000 Filing
2025-06-16 Scott Mr Franklin House Sell $1,001 - $15,000 Filing
2025-06-13 Julie Johnson House Buy $1,001 - $15,000 Filing
2025-06-13 Julie Johnson House Buy $1,001 - $15,000 Filing
2025-05-30 Gilbert Cisneros House Sell $1,001 - $15,000 Filing
2025-05-30 Gilbert Cisneros House Sell $1,001 - $15,000 Filing
2025-05-19 Michael McCaul House Buy $50,001 - $100,000 Filing
2025-05-15 Rob Bresnahan House Sell $15,001 - $50,000 Filing
2025-05-09 Ro Khanna House Sell $1,001 - $15,000 Filing
2025-05-09 Ro Khanna House Sell $1,001 - $15,000 Filing
2025-05-05 Marjorie Taylor Greene House Buy $1,001 - $15,000 Filing
2025-04-29 Gilbert Cisneros House Buy $1,001 - $15,000 Filing
2025-04-21 Bruce Westerman House Sell $1,001 - $15,000 Filing
2025-04-17 Jefferson Shreve House Sell $15,001 - $50,000 Filing

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
BlackRock, Inc. 225,830,330 $27.2B +6,734,865 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 160,987,624 $19.4B +160,987,624 2026-03-31 Filing
STATE STREET CORP 119,325,673 $14.5B -714,495 2026-03-31 Filing
WELLINGTON MANAGEMENT GROUP LLP 84,314,971 $10.1B -2,120,487 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 67,304,305 $8.1B +67,304,305 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 59,558,154 $7.1B -489,830 2026-03-31 Filing
JPMORGAN CHASE & CO 52,972,983 $6.3B +23,773,005 2026-03-31 Filing
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 49,765,225 $6.0B +1,201,421 2026-03-31 Filing
FMR LLC 44,516,010 $5.4B +3,679,444 2026-03-31 Filing
BANK OF AMERICA CORP /DE 30,774,221 $3.7B +2,919,780 2026-03-31 Filing
NORTHERN TRUST CORP 27,090,023 $3.3B -144,619 2026-03-31 Filing
Fisher Asset Management, LLC 26,436,284 $3.2B +1,562,957 2026-03-31 Filing
Invesco Ltd. 21,855,101 $2.6B +1,308,916 2026-03-31 Filing
UBS AM, a distinct business unit of UBS 20,414,819 $2.5B +981,416 2026-03-31 Filing
GOLDMAN SACHS GROUP INC 20,133,379 $2.4B +784,661 2026-03-31 Filing
Legal & General Group Plc 19,538,545 $2.4B -238,297 2026-03-31 Filing
Bank of New York Mellon Corp 18,713,363 $2.3B -451,163 2026-03-31 Filing
AMERIPRISE FINANCIAL INC 16,262,708 $2.0B +288,299 2026-03-31 Filing
FRANKLIN RESOURCES INC 16,267,205 $2.0B +203,155 2026-03-31 Filing
DIMENSIONAL FUND ADVISORS LP 15,456,039 $1.9B +2,969,856 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms