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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, Q4 2024

Institutional positions in Merck & Co., Inc. as of Dec 31, 2024. 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
3,618
+183 vs. Q3 2024
Shares held
1.98B
+39.5M (+2.0%) vs. Q3 2024
Total value
$196.9B
−$22.8B (−10.4%) vs. Q3 2024
New holders
390
1,324 more added
Sold out
207
1,580 more reduced

66 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 3,618 institutions
Q1 2021: 2,693 institutionsQ2 2021: 2,684 institutionsQ3 2021: 2,658 institutionsQ4 2021: 2,910 institutionsQ1 2022: 2,961 institutionsQ2 2022: 3,019 institutionsQ3 2022: 2,996 institutionsQ4 2022: 3,243 institutionsQ1 2023: 3,187 institutionsQ2 2023: 3,261 institutionsQ3 2023: 3,221 institutionsQ4 2023: 3,443 institutionsQ1 2024: 3,546 institutionsQ2 2024: 3,557 institutionsQ3 2024: 3,501 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 heldQ4 2024: $196.9B
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 20243,501$221.8B
Q2 20243,557$242.3B
Q1 20243,546$256.9B
Q4 20233,443$211.6B
Q3 20233,221$197.7B
Q2 20233,261$222.8B
Q1 20233,187$205.1B
Q4 20223,243$212.2B
Q3 20222,996$162.7B
Q2 20223,019$171.5B
Q1 20222,961$152.1B
Q4 20212,910$142.2B
Q3 20212,658$138.8B
Q2 20212,684$144.3B
Q1 20212,693$143.2B

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2024.

Institutions holding MRK in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Foster Dykema Cabot & Partners, LLC11,899$1.19M0.09%−331−2.7%Reduced
Abacus Planning Group, Inc.12,025$1.20M0.21%+47+0.4%Added
Hartford Funds Management Co LLC12,036$1.20M0.11%−891−6.9%Reduced
Elgethun Capital Management12,105$1.20M0.29%+49+0.4%Added
Pinnacle Wealth Planning Services, Inc.12,108$1.20M0.18%−3,211−21.0%Reduced
Tanglewood Legacy Advisors, LLC12,123$1.21M0.52%00.0%Unchanged
Gladius Capital Management LP12,139$1.21M0.69%−2,724−18.3%Reduced
Doheny Asset Management12,140$1.21M0.90%−2,500−17.1%Reduced
DMG Group, LLC12,148$1.21M0.98%−990−7.5%Reduced
CBOE Vest Financial, LLC12,157$1.21M0.02%+1,561+14.7%Added
Allen Capital Group, LLC12,192$1.21M0.15%−540−4.2%Reduced
Berger Financial Group, Inc12,197$1.21M0.08%−1,994−14.1%Reduced
Modern Wealth Management, LLC12,200$1.21M0.05%+4,011+49.0%Added
Patriot Investment Management Inc.12,220$1.22M0.09%−1,016−7.7%Reduced
CRA Financial Services, LLC12,236$1.22M0.21%−1,455−10.6%Reduced
Bill Few Associates, Inc.12,267$1.22M0.43%−226−1.8%Reduced
BTG Pactual Asset Management US LLC12,245$1.22M0.16%−1,055−7.9%Reduced
Lee Financial Co12,313$1.23M0.17%−123−1.0%Reduced
Archford Capital Strategies, LLC12,349$1.23M0.19%−243−1.9%Reduced
Baker Avenue Asset Management, LP12,371$1.23M0.04%+91+0.7%Added
Patron Partners Advisors, LLC12,383$1.23M0.67%+1,528+14.1%Added
Wolff Financial Management LLC12,384$1.23M0.34%00.0%Unchanged
Callan Capital, LLC12,395$1.23M0.09%+1,770+16.7%Added
Fairfield, Bush & Co.12,421$1.24M0.73%+1,235+11.0%Added
Knuff & Co LLC12,423$1.24M0.38%+303+2.5%Added
True North Advisors, LLC12,428$1.24M0.29%+1,686+15.7%Added
Barry Investment Advisors, LLC12,348$1.24M0.40%−541−4.2%Reduced
Keudell/Morrison Wealth Management12,454$1.24M0.32%−260−2.0%Reduced
Bigelow Investment Advisors, LLC12,480$1.24M0.58%−1,046−7.7%Reduced
Summit Wealth Partners, LLC12,485$1.24M0.26%00.0%Unchanged
Figure 8 Investment Strategies LLC12,492$1.24M1.22%+12,492New
17 Capital Partners, LLC12,493$1.24M0.79%−292−2.3%Reduced
Opinicus Capital, Inc.12,529$1.25M1.05%+557+4.7%Added
Salvus Wealth Management, LLC12,537$1.25M0.80%−2,888−18.7%Reduced
Fiera Capital Corp12,560$1.25M0.00%+7,066+128.6%Added
Visionary Wealth Advisors12,571$1.25M0.07%+697+5.9%Added
Heritage Family Offices, LLP12,575$1.25M0.62%−465−3.6%Reduced
Connecticut Wealth Management, LLC12,629$1.26M0.06%−2,825−18.3%Reduced
IMS Capital Management12,632$1.26M0.58%−2,108−14.3%Reduced
Karani Asset Management LLC12,634$1.26M1.17%+12,634New
Premier Path Wealth Partners, LLC12,724$1.27M0.19%−2,012−13.7%Reduced
Cape Ann Savings Bank12,747$1.27M0.75%−282−2.2%Reduced
Hardman Johnston Global Advisors LLC12,750$1.27M0.05%00.0%Unchanged
Tyche Wealth Partners LLC12,756$1.27M0.27%+4,991+64.3%Added
First Foundation Advisors12,801$1.27M0.05%−743−5.5%Reduced
Armis Advisers, LLC12,801$1.27M0.16%+12,801New
MidWestOne Financial Group, Inc.12,822$1.28M0.18%−32−0.2%Reduced
LVM Capital Management Ltd12,880$1.28M0.14%−431−3.2%Reduced
Atlantic Edge Private Wealth Management, LLC12,888$1.28M0.40%−59−0.5%Reduced
Chapin Davis, Inc.11,297$1.28M0.42%00.0%Unchanged
Allen Investment Management LLC12,901$1.28M0.01%−23,523−64.6%Reduced
Raleigh Capital Management Inc.12,914$1.28M0.50%−557−4.1%Reduced
Platform Technology Partners12,918$1.29M0.39%+901+7.5%Added
Baker Ellis Asset Management LLC12,928$1.29M0.19%+840+6.9%Added
ROI Financial Advisors, LLC12,943$1.29M0.88%−1,653−11.3%Reduced
Global Trust Asset Management, LLC12,960$1.29M0.49%−2,101−13.9%Reduced
Pingora Partners LLC12,979$1.29M0.85%00.0%Unchanged
Portland Global Advisors LLC12,982$1.29M0.16%−1,407−9.8%Reduced
Dover Advisors, LLC12,991$1.29M0.74%−1,181−8.3%Reduced
Aspire Private Capital, LLC12,996$1.29M0.32%+10.0%Added
Aft, Forsyth & Sober, LLC13,000$1.29M0.42%00.0%Unchanged
Pictet Bank & Trust Ltd13,024$1.30M1.29%−120−0.9%Reduced
K2 Principal Fund, L.P.13,032$1.30M0.19%+13,032New
Headlands Technologies LLC13,043$1.30M0.13%−48,894−78.9%Reduced
Intelligence Driven Advisers, LLC13,058$1.30M0.24%+1,343+11.5%Added
RiverFront Investment Group, LLC13,089$1.30M0.03%+925+7.6%Added
First Financial Corp13,140$1.31M0.61%+790+6.4%Added
Millstone Evans Group, LLC13,181$1.31M0.89%+13,181New
Evelyn Partners Investment Management LLP13,200$1.31M0.04%+13,200New
Provident Co of the Employees of the Hebrew University LTD13,136$1.31M1.53%+13,136New
Stiles Financial Services Inc13,232$1.32M0.48%−1,882−12.5%Reduced
Crux Wealth Advisors13,266$1.32M0.73%+13,266New
Meridian Financial Partners LLC13,286$1.32M0.70%−257−1.9%Reduced
YHB Investment Advisors, Inc.13,296$1.32M0.11%−1,400−9.5%Reduced
Alan B. Lancz & Associates, Inc.13,304$1.32M1.34%−530−3.8%Reduced
Loudon Investment Management, LLC13,308$1.32M0.75%−150−1.1%Reduced
JPB Foundation13,317$1.32M0.15%−54,000−80.2%Reduced
Persistent Asset Partners Ltd13,422$1.33M1.14%+13,422New
Texas Bank & Trust Co13,375$1.33M0.55%+13,375New
Semanteon Capital Management, LP13,427$1.34M0.72%+13,427New
MONECO Advisors, LLC13,447$1.34M0.14%+2,596+23.9%Added
Meadow Creek Wealth Advisors LLC13,450$1.34M0.96%−451−3.2%Reduced
Princeton Global Asset Management LLC13,487$1.34M0.25%−11,095−45.1%Reduced
Cherokee Insurance Co13,498$1.34M0.61%+13,498New
Nia Impact Advisors, LLC13,508$1.34M0.44%−13−0.1%Reduced
MB, Levis & Associates, LLC13,528$1.35M0.67%+75+0.6%Added
MTM Investment Management, LLC13,529$1.35M0.52%−70−0.5%Reduced
Net Worth Advisory Group13,563$1.35M0.41%−1,384−9.3%Reduced
Baxter Bros Inc13,564$1.35M0.18%−1,556−10.3%Reduced
Triangle Securities Wealth Management13,579$1.35M0.35%−238−1.7%Reduced
Nwam LLC13,584$1.35M0.08%+142+1.1%Added
Maple Capital Management, Inc.13,593$1.35M0.10%−619−4.4%Reduced
Charter Oak Capital Management, LLC13,595$1.35M0.13%+1,991+17.2%Added
Navalign, LLC13,602$1.35M0.40%+453+3.4%Added
Everpar Advisors LLC13,604$1.35M0.68%−444−3.2%Reduced
Focus Financial Network, Inc.13,498$1.35M0.05%+2,210+19.6%Added
EverSource Wealth Advisors, LLC13,637$1.36M0.08%−15,168−52.7%Reduced
YANKCOM Partnership13,662$1.36M0.73%+13,662New
Boxwood Ventures, Inc.13,563$1.36M1.82%00.0%Unchanged
Pacific Capital Partners Ltd13,681$1.36M0.80%00.0%Unchanged