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Merck & Co., Inc.

MRK
Exchange
NYSE
Industry
Pharmaceutical Preparations
SEC CIK
0000310158

In the last 90 days, Merck & Co., Inc. insiders filed 0 open-market purchases and 7 sales; 3,855 institutions reported holding it in 13F filings for Q2 2026, worth $254.3B in total; 4 superinvestors hold it, including Harris Associates (Oakmark) and Fairfax Financial.

13F holders, Q1 2025

Institutional positions in Merck & Co., Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
3,459
−96 vs. Q4 2024
Shares held
1.98B
+20.8M (+1.1%) vs. Q4 2024
Total value
$177.7B
−$17.2B (−8.8%) vs. Q4 2024
New holders
180
1,353 more added
Sold out
276
1,599 more reduced

63 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MRK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 3,459 institutions
Q1 2021: 2,693 institutionsQ2 2021: 2,684 institutionsQ3 2021: 2,658 institutionsQ4 2021: 2,910 institutionsQ1 2022: 2,962 institutionsQ2 2022: 3,020 institutionsQ3 2022: 2,997 institutionsQ4 2022: 3,244 institutionsQ1 2023: 3,188 institutionsQ2 2023: 3,262 institutionsQ3 2023: 3,222 institutionsQ4 2023: 3,444 institutionsQ1 2024: 3,547 institutionsQ2 2024: 3,558 institutionsQ3 2024: 3,502 institutionsQ4 2024: 3,618 institutionsQ1 2025: 3,459 institutionsQ2 2025: 3,337 institutionsQ3 2025: 3,319 institutionsQ4 2025: 3,674 institutionsQ1 2026: 3,812 institutionsQ2 2026: 3,855 institutions
Value heldQ1 2025: $177.7B
Q1 2021: $143.2BQ2 2021: $144.3BQ3 2021: $138.8BQ4 2021: $142.2BQ1 2022: $152.1BQ2 2022: $171.5BQ3 2022: $162.7BQ4 2022: $212.2BQ1 2023: $205.1BQ2 2023: $222.8BQ3 2023: $197.7BQ4 2023: $211.6BQ1 2024: $256.9BQ2 2024: $242.3BQ3 2024: $221.8BQ4 2024: $196.9BQ1 2025: $177.7BQ2 2025: $155.9BQ3 2025: $159.8BQ4 2025: $206.6BQ1 2026: $231.9BQ2 2026: $254.3B
Institutions holding MRK and their total value by quarter
QuarterHoldersValue
Q2 20263,855$254.3B
Q1 20263,812$231.9B
Q4 20253,674$206.6B
Q3 20253,319$159.8B
Q2 20253,337$155.9B
Q1 20253,459$177.7B
Q4 20243,618$196.9B
Q3 20243,502$221.8B
Q2 20243,558$242.3B
Q1 20243,547$256.9B
Q4 20233,444$211.6B
Q3 20233,222$197.7B
Q2 20233,262$222.8B
Q1 20233,188$205.1B
Q4 20223,244$212.2B
Q3 20222,997$162.7B
Q2 20223,020$171.5B
Q1 20222,962$152.1B
Q4 20212,910$142.2B
Q3 20212,658$138.8B
Q2 20212,684$144.3B
Q1 20212,693$143.2B

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2024.

Institutions holding MRK in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Picton Mahoney Asset Management2$00.00%−126,467−100.0%Reduced
Davidson Capital Management Inc.1$900.00%−33,611−100.0%Reduced
ZynergyRetirementPlanningLLC3$2980.00%00.0%Unchanged
Hoey Investments, Inc5$4490.00%−10−66.7%Reduced
Putney Financial Group LLC5$4490.00%00.0%Unchanged
Bridge Generations Wealth Management LLC6$5390.00%+6New
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna10$8980.00%+10New
Atlantic Private Wealth, LLC13$1.14K0.00%00.0%Unchanged
Virtus ETF Advisers LLC13$1.17K0.00%+13New
HFM Investment Advisors, LLC13$1.17K0.00%+13New
Spectrum Wealth Counsel, LLC17$1.53K0.00%00.0%Unchanged
Legacy Wealth Managment, LLC19$1.71K0.00%00.0%Unchanged
Finley Financial, LLC21$1.78K0.00%00.0%Unchanged
HighMark Wealth Management LLC20$1.81K0.00%00.0%Unchanged
Ball & Co Wealth Management Inc.30$2.00K0.00%00.0%Unchanged
Cedar Mountain Advisors, LLC23$2.10K0.00%00.0%Unchanged
POM Investment Strategies, LLC32$2.87K0.00%−116−78.4%Reduced
Clarity Asset Management, Inc.38$3.41K0.00%00.0%Unchanged
Greykasell Wealth Strategies, Inc.40$3.59K0.00%+40New
Elequin Capital LP44$3.95K0.00%−41−48.2%Reduced
Evolution Advisers, Inc.50$4.00K0.00%+50New
Eukles Asset Management45$4.04K0.00%00.0%Unchanged
Graney & King, LLC48$4.30K0.00%−113−70.2%Reduced
Bradley & Co. Private Wealth Management, LLC51$4.58K0.00%00.0%Unchanged
PayPay Securities Corp52$4.68K0.27%00.0%Unchanged
Nova Wealth Management, Inc.53$4.76K0.00%−100−65.4%Reduced
Decker Retirement Planning Inc.55$4.94K0.00%−509−90.2%Reduced
Navigoe, LLC65$5.00K0.00%−1−1.5%Reduced
Eq Wealth Advisors, LLC62$5.57K0.00%+62New
Financial Connections Group, Inc.71$6.00K0.00%00.0%Unchanged
Demars Financial Group, LLC567,525$6.32K0.18%−84,706−13.0%Reduced
Mendota Financial Group, LLC87$7.79K0.01%00.0%Unchanged
Evelyn Partners Investment Management (Europe) Ltd87$7.81K0.00%00.0%Unchanged
Bear Mountain Capital, Inc.100$8.47K0.00%+100New
Campbell Capital Management Inc100$8.98K0.01%00.0%Unchanged
Miller Wealth Advisors, LLC100$8.98K0.00%00.0%Unchanged
CKW Financial Group100$9.00K0.00%00.0%Unchanged
Silicon Valley Capital Partners109$9.72K0.00%−24−18.0%Reduced
Christopher J. Hasenberg, Inc114$9.93K0.00%+63+123.5%Added
10Elms LLP111$9.96K0.01%−83−42.8%Reduced
Keystone Financial Group, Inc.128$10.1K0.01%−1,371−91.5%Reduced
Investment Management Corp118$10.6K0.01%−67−36.2%Reduced
Global Wealth Strategies & Associates119$10.7K0.00%00.0%Unchanged
Grayhawk Investment Strategies Inc.134$12.0K0.03%00.0%Unchanged
Luken Investment Analytics, LLC134$12.0K0.01%00.0%Unchanged
Evelyn Partners Asset Management Ltd136$12.2K0.00%00.0%Unchanged
Proffitt & Goodson Inc138$12.4K0.00%00.0%Unchanged
Fairway Wealth LLC141$12.7K0.00%−651−82.2%Reduced
Pineridge Advisors LLC143$12.8K0.00%−728−83.6%Reduced
Cloud Capital Management, LLC149$13.0K0.01%+149New
FSC Wealth Advisors, LLC150$13.5K0.01%00.0%Unchanged
Robinson Value Management, Ltd.166$14.9K0.01%00.0%Unchanged
Tidemark, LLC174$15.7K0.01%00.0%Unchanged
True Wealth Design, LLC175$15.7K0.01%−683−79.6%Reduced
Synergy Investment Management, LLC175$15.7K0.01%00.0%Unchanged
Financially Speaking Inc176$15.8K0.01%00.0%Unchanged
Briaud Financial Planning, Inc186$16.0K0.01%00.0%Unchanged
PrairieView Partners, LLC188$16.0K0.00%+50+36.2%Added
eCIO, Inc.180$16.2K0.01%+180New
Morton Brown Family Wealth, LLC182$16.3K0.01%+166+1,037.5%Added
Pinney & Scofield, Inc.200$18.0K0.01%00.0%Unchanged
Capitol Family Office, Inc.200$18.0K0.03%+200New
Financial Avengers, Inc.213$19.1K0.01%−116−35.3%Reduced
Knights of Columbus Asset Advisors LLC217$19.5K0.00%00.0%Unchanged
Redmont Wealth Advisors LLC222$19.9K0.04%+222New
Copia Wealth Management227$20.4K0.02%00.0%Unchanged
Kiker Wealth Management, LLC229$20.6K0.01%+229New
Bare Financial Services, Inc241$21.6K0.01%+25+11.6%Added
TruNorth Capital Management, LLC244$21.9K0.01%−72−22.8%Reduced
Abound Financial, LLC246$22.1K0.01%+246New
Vermillion & White Wealth Management Group, LLC248$22.3K0.02%00.0%Unchanged
Horizon Financial Services, LLC250$22.4K0.01%00.0%Unchanged
Consultiva Wealth Management, Corp.250$22.4K0.08%+250New
Anderson Financial Strategies, LLC250$22.4K0.01%+250New
Red Tortoise LLC256$23.0K0.01%−3−1.2%Reduced
Burkett Financial Services, LLC260$23.3K0.01%+1+0.4%Added
Midwest Capital Advisors, LLC261$23.4K0.01%00.0%Unchanged
Heck Capital Advisors, LLC265$23.8K0.00%+10+3.9%Added
Marathon Trading Investment Management LLC270$24.2K0.01%−2,430−90.0%Reduced
Halbert Hargrove Global Advisors, LLC279$25.0K0.00%−4−1.4%Reduced
Noble Wealth Management PBC280$25.1K0.02%00.0%Unchanged
Anfield Capital Management, LLC286$25.7K0.01%00.0%Unchanged
Safe Harbor Fiduciary, LLC302$27.1K0.03%00.0%Unchanged
Promus Capital, LLC305$27.4K0.02%00.0%Unchanged
Barnes Dennig Private Wealth Management LLC306$27.5K0.04%+306New
Davis Capital Management307$27.6K0.02%−1,986−86.6%Reduced
WealthCollab, LLC311$27.9K0.02%+99+46.7%Added
Berbice Capital Management LLC322$28.9K0.02%−900−73.6%Reduced
Keener Financial Planning LLC329$29.0K0.02%00.0%Unchanged
Darwin Advisors, LLC299$29.8K0.01%00.0%Unchanged
Cypress Capital Management LLC (WY)335$30.3K0.04%00.0%Unchanged
Dunhill Financial, LLC340$30.6K0.01%−28−7.6%Reduced
Advantage Trust Co350$31.4K0.02%−53−13.2%Reduced
Marshall Investment Management, LLC350$31.4K0.02%−20−5.4%Reduced
Pension & Wealth Management Advisors, Inc.350$31.5K0.01%−547−61.0%Reduced
Ruedi Wealth Management, Inc.354$31.8K0.01%00.0%Unchanged
Clear Investment Research, LLC359$32.2K0.04%00.0%Unchanged
Winch Advisory Services, LLC360$32.4K0.01%+1+0.3%Added
Reyes Financial Architecture, Inc.365$32.8K0.02%−1,695−82.3%Reduced
Lowe Wealth Advisors, LLC365$32.8K0.01%−168−31.5%Reduced