Skip to main content

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
1,354 more added
Sold out
276
1,598 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: 2,961 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 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 20243,501$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, 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
Sage Rhino Capital LLC10,581$949.8K0.22%+91+0.9%Added
Hexagon Capital Partners LLC10,581$949.8K0.18%+4,090+63.0%Added
Patriot Investment Management Inc.10,587$950.3K0.07%−1,633−13.4%Reduced
OmniStar Financial Group, Inc.10,578$951.6K0.75%+5,666+115.4%Added
Cladis Investment Advisory, LLC10,610$952.4K0.69%+500+4.9%Added
Mach-1 Financial Group, Inc.10,618$953.2K0.29%+10,618New
Alhambra Investment Partners LLC10,623$953.5K0.49%−50−0.5%Reduced
Trilogy Capital Inc.10,627$953.8K0.05%+458+4.5%Added
Old North State Trust, LLC9,589$954.0K0.61%00.0%Unchanged
Providence Wealth Advisors, LLC10,995$956.0K0.72%+617+5.9%Added
Riverview Trust Co10,656$956.5K0.94%−3,989−27.2%Reduced
Van Strum & Towne Inc.10,668$957.6K0.32%+2,375+28.6%Added
Apriem Advisors10,668$957.6K0.11%−570−5.1%Reduced
Sierra Summit Advisors LLC10,670$957.7K0.21%+1,499+16.3%Added
Lebenthal Global Advisors, LLC10,707$961.0K0.18%−9,135−46.0%Reduced
Gallagher Fiduciary Advisors, LLC10,719$962.1K0.03%+380+3.7%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA10,730$963.1K0.33%+40+0.4%Added
Hilltop Partners LLC10,740$964.0K0.33%+617+6.1%Added
Winnow Wealth LLC10,748$964.7K0.89%+1,356+14.4%Added
Forza Wealth Management, LLC10,761$965.9K0.43%+138+1.3%Added
Wealth Effects LLC10,789$968.4K0.41%+50+0.5%Added
Accredited Investors Inc.10,811$970.4K0.06%−958−8.1%Reduced
Lavaca Capital LLC10,834$972.5K0.44%−391−3.5%Reduced
Mechanics Financial Corp10,837$972.7K0.44%00.0%Unchanged
Lipe & Dalton10,862$975.0K0.55%−697−6.0%Reduced
Elevated Capital Advisors, LLC10,878$976.4K0.27%+866+8.6%Added
Ridgecrest Wealth Partners, LLC10,898$978.2K0.51%+501+4.8%Added
CVA Family Office, LLC10,954$983.2K0.15%−71−0.6%Reduced
Gratus Wealth Advisors, LLC10,969$984.6K0.16%−5,980−35.3%Reduced
Blodgett Wealth Advisors, LLC10,971$984.8K0.84%−3,224−22.7%Reduced
Freestone Grove Partners LP10,977$985.3K0.01%+10,977New
Orion Capital Management LLC10,989$986.4K0.42%+5,334+94.3%Added
Relyea Zuckerberg Hanson LLC11,021$989.2K0.13%−790−6.7%Reduced
Peak Retirement Planning, Inc.11,033$990.3K0.55%+2,469+28.8%Added
Clean Yield Group11,037$990.7K0.32%−457−4.0%Reduced
Everpar Advisors LLC11,062$992.9K0.53%−2,542−18.7%Reduced
Wincap Financial LLC11,063$993.0K0.94%+1,719+18.4%Added
Evernest Financial Advisors, LLC11,082$994.7K0.36%−743−6.3%Reduced
First Foundation Advisors11,112$997.4K0.04%−1,689−13.2%Reduced
Bank of New Hampshire11,116$997.8K0.26%−11,482−50.8%Reduced
Signature Estate & Investment Advisors LLC11,127$998.7K0.03%−187,674−94.4%Reduced
Figure 8 Investment Strategies LLC11,132$999.2K1.05%−1,360−10.9%Reduced
Widmann Financial Services, Inc.11,134$999.4K0.78%−65−0.6%Reduced
Guerra Pan Advisors, LLC11,154$1.00M0.79%−343−3.0%Reduced
DeDora Capital, Inc.11,154$1.00M0.29%−661−5.6%Reduced
Sterling Investment Counsel, LLC11,170$1.00M0.34%+5,572+99.5%Added
Silver Oak Securities, Inc11,239$1.00M0.09%−783−6.5%Reduced
Impact Capital Partners LLC11,195$1.00M0.36%−167−1.5%Reduced
Chapin Davis, Inc.11,238$1.01M0.34%−59−0.5%Reduced
WBH Advisory Inc11,254$1.01M0.09%−3,248−22.4%Reduced
Wimmer Associates 1, LLC13,187$1.01M0.53%−1,015−7.1%Reduced
Physicians Financial Services, Inc.11,280$1.01M0.33%−430−3.7%Reduced
Prairie Sky Financial Group LLC11,349$1.02M0.61%−32−0.3%Reduced
Zullo Investment Group, Inc.11,351$1.02M0.44%+33+0.3%Added
Wealth Management Associates, Inc.11,359$1.02M0.44%−45−0.4%Reduced
Close Asset Management Ltd11,414$1.02M0.03%+1,420+14.2%Added
Stableford Capital II LLC13,153$1.03M0.43%−7,941−37.6%Reduced
Wellington Shields Capital Management, LLC11,433$1.03M0.19%−145,719−92.7%Reduced
Hunter Associates Investment Management LLC11,442$1.03M0.16%−56−0.5%Reduced
American Trust Investment Advisors, LLC11,473$1.03M0.43%+2,690+30.6%Added
JGP Wealth Management, LLC11,479$1.03M0.14%+6,830+146.9%Added
LexAurum Advisors, LLC11,509$1.03M0.20%+9+0.1%Added
Connecticut Wealth Management, LLC11,513$1.03M0.05%−1,116−8.8%Reduced
Good Life Advisors, LLC11,522$1.03M0.07%+767+7.1%Added
Connor, Clark & Lunn Investment Management Ltd.11,523$1.03M0.00%−291,231−96.2%Reduced
Regal Investment Advisors LLC11,536$1.04M0.08%−33−0.3%Reduced
denkapparat Operations GmbH11,554$1.04M1.10%−3,328−22.4%Reduced
Gilman Hill Asset Management, LLC11,563$1.04M0.18%−309−2.6%Reduced
Baxter Bros Inc11,572$1.04M0.14%−1,992−14.7%Reduced
South Plains Financial, Inc.11,599$1.04M0.81%+1,651+16.6%Added
Fragasso Group Inc.11,604$1.04M0.08%−31,329−73.0%Reduced
Intelligence Driven Advisers, LLC11,606$1.04M0.20%−1,452−11.1%Reduced
Mill Creek Capital Advisors, LLC11,618$1.04M0.03%+192+1.7%Added
Linden Thomas Advisory Services, LLC11,659$1.05M0.14%+726+6.6%Added
Capital Square, LLC11,694$1.05M0.62%+513+4.6%Added
Pullen Investment Management, LLC11,721$1.05M0.66%+235+2.0%Added
Tradewinds, LLC.11,754$1.06M0.30%−1,786−13.2%Reduced
Lee Financial Co11,730$1.06M0.16%−583−4.7%Reduced
111 Capital11,761$1.06M0.20%+2,973+33.8%Added
Motiv8 Investments LLC11,764$1.06M0.70%+457+4.0%Added
K2 Principal Fund, L.P.11,784$1.06M0.16%−1,248−9.6%Reduced
North Star Asset Management Inc11,804$1.06M0.05%+426+3.7%Added
Dark Forest Capital Management LP11,819$1.06M0.05%+9,359+380.4%Added
Allen Capital Group, LLC11,832$1.06M0.12%−360−3.0%Reduced
Cornerstone Advisory, LLC13,441$1.06M0.12%+316+2.4%Added
Gladius Capital Management LP11,848$1.06M1.05%−291−2.4%Reduced
Canopy Partners, LLC11,862$1.06M0.41%+404+3.5%Added
Pegasus Asset Management, Inc.11,866$1.07M0.43%−23,760−66.7%Reduced
Jupiter Wealth Management LLC13,800$1.07M0.65%−3,500−20.2%Reduced
M. Kraus & Co11,892$1.07M0.32%00.0%Unchanged
Callan Capital, LLC11,927$1.07M0.08%−468−3.8%Reduced
Elgethun Capital Management11,938$1.07M0.24%−167−1.4%Reduced
Schulhoff & Co Inc11,963$1.07M0.48%00.0%Unchanged
Intellectus Partners, LLC11,866$1.07M0.27%+1,797+17.8%Added
VeraBank, N.A.11,978$1.08M0.30%+139+1.2%Added
Keynote Financial Services LLC11,987$1.08M0.77%+3,521+41.6%Added
American Assets Inc12,000$1.08M0.37%+8,000+200.0%Added
Jackson, Grant Investment Advisers, Inc.12,001$1.08M0.42%+56+0.5%Added
Gibson Wealth Advisors LLC12,005$1.08M0.86%+2,000+20.0%Added
CRA Financial Services, LLC12,015$1.08M0.18%−221−1.8%Reduced