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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, Q3 2023

Institutional positions in Merck & Co., Inc. as of Sep 30, 2023. 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
3,222
+1 vs. Q2 2023
Shares held
1.92B
−11.1M (−0.6%) vs. Q2 2023
Total value
$197.7B
−$24.4B (−11.0%) vs. Q2 2023
New holders
148
1,298 more added
Sold out
147
1,410 more reduced

41 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 holdersQ3 2023: 3,222 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 heldQ3 2023: $197.7B
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, Q3 2023

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q2 2023.

Institutions holding MRK in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Northwest Wealth Management, LLC2,111$217.3K0.08%−27−1.3%Reduced
Warren Street Wealth Advisors, LLC2,112$217.4K0.14%−40−1.9%Reduced
Strategic Family Wealth Counselors, L.L.C.2,119$218.2K0.10%00.0%Unchanged
Engrave Wealth Partners LLC2,120$218.3K0.07%−37−1.7%Reduced
Fingerlakes Wealth Management, Inc.2,122$218.4K0.27%−55−2.5%Reduced
KFG Wealth Management, LLC2,125$218.8K0.12%+15+0.7%Added
First Wilshire Securities Management Inc2,131$219.0K0.07%00.0%Unchanged
Vantage Consulting Group Inc2,128$219.1K0.15%+53+2.6%Added
Syntax Advisors, LLC2,128$219.1K0.19%+53+2.6%Added
O'Brien Wealth Partners LLC2,132$219.5K0.06%00.0%Unchanged
Evolution Wealth Advisors, LLC2,136$219.9K0.05%+7+0.3%Added
Cohen & Steers, Inc.2,148$221.0K0.00%00.0%Unchanged
Stone Run Capital, LLC2,148$221.1K0.11%00.0%Unchanged
Aspire Capital Advisors LLC2,153$221.6K0.10%+78+3.8%Added
Harvest Investment Services, LLC2,156$222.0K0.14%+2,156New
McClarren Financial Advisors, Inc.2,165$222.0K0.19%+13+0.6%Added
Corrado Advisors, LLC2,161$222.5K0.15%+2,161New
Syntax Research, Inc.2,175$223.9K0.18%+2,175New
Tamar Securities, LLC2,176$224.0K0.05%+122+5.9%Added
Pinnacle Wealth Management Group, Inc.2,184$224.8K0.20%−200−8.4%Reduced
Axim Planning & Wealth2,193$225.8K0.20%+2,193New
Dorsey Wright & Associates2,198$226.0K0.07%+18+0.8%Added
GeoWealth Management, LLC2,195$226.0K0.03%+676+44.5%Added
Elequin Capital LP2,200$226.5K0.04%+2,064+1,517.6%Added
Capital Insight Partners, LLC2,203$226.8K0.05%−95−4.1%Reduced
Rollins Financial2,206$227.1K0.06%+2,206New
Kennedy Investment Group2,210$227.5K0.14%+13+0.6%Added
Dark Forest Capital Management LP2,225$229.1K0.02%−2,100−48.6%Reduced
Revisor Wealth Management LLC2,227$229.3K0.19%+460+26.0%Added
ICA Group Wealth Management, LLC2,229$229.5K0.06%+103+4.8%Added
Jacobson & Schmitt Advisors, LLC2,233$229.9K0.07%+183+8.9%Added
One Day In July LLC2,243$230.9K0.04%+111+5.2%Added
Alpha Financial Advisors, LLC2,244$231.0K0.15%00.0%Unchanged
Fi3 FINANCIAL ADVISORS, LLC2,246$231.2K0.12%+263+13.3%Added
Deltec Asset Management LLC2,248$231.4K0.05%−279−11.0%Reduced
Rock Point Advisors, LLC2,255$232.2K0.08%+100+4.6%Added
Lifestyle Asset Management, Inc.2,259$232.6K0.14%00.0%Unchanged
Leading Edge Financial Planning LLC2,259$232.6K0.15%−23−1.0%Reduced
Guardian Capital Advisors LP2,250$232.8K0.03%−1,000−30.8%Reduced
Rocky Mountain Advisers, LLC2,267$233.4K0.11%00.0%Unchanged
Horizon Investment Services, LLC2,267$233.4K0.14%−17,100−88.3%Reduced
Covestor Ltd2,277$234.0K0.18%+72+3.3%Added
Analyst IMS Investment Management Services Ltd.2,250$235.0K0.01%00.0%Unchanged
Members Capital Advisors Inc2,283$235.0K0.29%00.0%Unchanged
Inspire Advisors, LLC2,284$235.1K0.04%+465+25.6%Added
D. Scott Neal, Inc.2,270$235.4K0.20%00.0%Unchanged
Bowen Hanes & Co Inc2,290$235.8K0.01%00.0%Unchanged
Vanguard Capital Wealth Advisors2,297$236.5K0.22%−246−9.7%Reduced
Legacy Financial Group, Inc.2,297$236.5K0.12%+55+2.5%Added
Arkfeld Wealth Strategies, L.L.C.2,287$236.9K0.17%+3+0.1%Added
Planning Directions Inc2,307$237.0K0.18%+11+0.5%Added
Spartan Planning & Wealth Management2,307$237.5K0.28%+2,307New
Collaborative Wealth Managment Inc.2,309$237.7K0.14%+534+30.1%Added
Triton Wealth Management, PLLC2,301$238.3K0.16%−234−9.2%Reduced
Blueshift Asset Management, LLC2,315$238.3K0.14%−3,202−58.0%Reduced
Financial Advisors Network, Inc.2,315$238.3K0.05%+2,315New
Starfox Financial Services, LLC2,306$238.4K0.26%00.0%Unchanged
Elk River Wealth Management, LLC2,304$238.9K0.05%00.0%Unchanged
Peninsula Wealth, LLC2,313$239.0K0.06%+47+2.1%Added
Madden Securities Corp2,322$239.1K0.14%−300−11.4%Reduced
Mattern Capital Management, LLC2,325$239.4K0.04%00.0%Unchanged
CIC Wealth, LLC2,328$239.7K0.09%+74+3.3%Added
New England Capital Financial Advisors LLC2,331$240.0K0.17%+14+0.6%Added
Driehaus Capital Management LLC2,331$240.0K0.00%−1,211−34.2%Reduced
Isthmus Partners, LLC2,331$240.0K0.03%−20−0.9%Reduced
Wealth Advisors of Iowa, LLC2,333$240.2K0.17%+13+0.6%Added
Eagle Bluffs Wealth Management LLC2,320$240.5K0.18%−53−2.2%Reduced
Towerpoint Wealth, LLC2,337$240.6K0.14%+8+0.3%Added
Investment Advisory Group, LLC2,339$240.8K0.13%+4+0.2%Added
NovaPoint Capital, LLC2,340$240.9K0.10%+143+6.5%Added
Waypoint Capital Advisors, LLC2,344$241.3K0.08%+111+5.0%Added
Pavion Blue Capital, LLC2,350$241.9K0.15%−10−0.4%Reduced
Trilogy Capital Inc.2,353$242.3K0.02%−986−29.5%Reduced
Granite FO LLC2,356$242.6K0.17%+279+13.4%Added
PRW Wealth Management LLC2,368$243.1K0.09%00.0%Unchanged
Security National Bank of So Dak2,364$243.4K0.18%−126−5.1%Reduced
WorthPointe, LLC2,364$243.4K0.15%+503+27.0%Added
Bay Rivers Group2,368$243.8K0.19%00.0%Unchanged
Cypress Wealth Services, LLC2,368$243.8K0.07%00.0%Unchanged
McBroom & Associates, LLC2,372$244.2K0.19%+367+18.3%Added
Sandbox Financial Partners, LLC2,382$245.2K0.13%−7−0.3%Reduced
APCM Wealth Management for Individuals2,392$246.3K0.04%00.0%Unchanged
Rock Creek Group, LP2,400$247.1K0.03%−687−22.3%Reduced
Bank of Nova Scotia Trust Co2,400$247.1K0.03%−500−17.2%Reduced
Blume Capital Management, Inc.2,400$247.1K0.07%−100−4.0%Reduced
FFT Wealth Management LLC2,402$247.3K0.03%00.0%Unchanged
Operose Advisors LLC2,403$247.4K0.10%+2,026+537.4%Added
Wealthstream Advisors, Inc.2,410$248.1K0.13%−32−1.3%Reduced
Prosperitas Financial LLC2,429$250.0K0.19%+2,429New
Bellecapital International Ltd.2,431$250.3K0.06%−369−13.2%Reduced
Blue Bell Private Wealth Management, LLC2,433$250.5K0.07%−105−4.1%Reduced
Family Asset Management, LLC2,433$250.5K0.18%−120−4.7%Reduced
Community Financial Services Group, LLC2,441$251.3K0.06%+2,441New
Marshall & Sullivan Inc2,450$252.2K0.15%00.0%Unchanged
Wallington Asset Management, LLC2,456$253.0K0.05%−77−3.0%Reduced
Investment Research & Advisory Group, Inc.2,462$253.5K0.15%00.0%Unchanged
Community Bank of Raymore2,465$253.8K0.12%00.0%Unchanged
Northstar Asset Management Inc2,466$253.9K0.08%00.0%Unchanged
Penobscot Wealth Management2,464$254.0K0.19%+2,464New
Nixon Peabody Trust Co2,475$254.8K0.21%−495−16.7%Reduced