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 2025
Institutional positions in Merck & Co., Inc. as of Dec 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
- 3,674
- +428 vs. Q3 2025
- Shares held
- 1.96B
- +60.6M (+3.2%) vs. Q3 2025
- Total value
- $206.6B
- +$47.2B (+29.6%) vs. Q3 2025
- New holders
- 555
- 1,380 more added
- Sold out
- 127
- 1,403 more reduced
73 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 3,855 | $254.3B |
| Q1 2026 | 3,812 | $231.9B |
| Q4 2025 | 3,674 | $206.6B |
| Q3 2025 | 3,319 | $159.8B |
| Q2 2025 | 3,337 | $155.9B |
| Q1 2025 | 3,459 | $177.7B |
| Q4 2024 | 3,618 | $196.9B |
| Q3 2024 | 3,502 | $221.8B |
| Q2 2024 | 3,558 | $242.3B |
| Q1 2024 | 3,547 | $256.9B |
| Q4 2023 | 3,444 | $211.6B |
| Q3 2023 | 3,222 | $197.7B |
| Q2 2023 | 3,262 | $222.8B |
| Q1 2023 | 3,188 | $205.1B |
| Q4 2022 | 3,244 | $212.2B |
| Q3 2022 | 2,997 | $162.7B |
| Q2 2022 | 3,020 | $171.5B |
| Q1 2022 | 2,962 | $152.1B |
| Q4 2021 | 2,910 | $142.2B |
| Q3 2021 | 2,658 | $138.8B |
| Q2 2021 | 2,684 | $144.3B |
| Q1 2021 | 2,693 | $143.2B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tannin Capital LLC | 1,934 | $203.5K | 0.18% | +1,934 | New |
| DDFG, Inc | 1,937 | $203.9K | 0.04% | +1,937 | New |
| Crane Advisory, LLC | 1,868 | $204.0K | 0.03% | +1,868 | New |
| Requisite Capital Management, LLC | 1,924 | $204.2K | 0.04% | −9,626−83.3% | Reduced |
| Rockbridge Investment Management, LCC | 1,941 | $204.3K | 0.02% | +1,941 | New |
| Carrera Capital Advisors | 1,927 | $204.4K | 0.03% | +1,927 | New |
| Total Investment Management Inc | 1,943 | $204.6K | 0.03% | +1,943 | New |
| Alliance Wealth Strategies, LLC d/b/a Brown Edwards Wealth Strategies | 1,947 | $204.9K | 0.19% | +1,947 | New |
| CapitalatWork S.A. | – | $205.0K | 0.01% | – | – |
| REAP Financial Group, LLC | 1,950 | $205.3K | 0.04% | +186+10.5% | Added |
| Master's Wealth Management Inc. | 1,956 | $205.9K | 0.07% | +1,956 | New |
| Nalls Sherbakoff Group, LLC | 1,957 | $206.0K | 0.15% | −59−2.9% | Reduced |
| American Financial Advisors, LLC | 1,958 | $206.1K | 0.03% | +1,958 | New |
| Coerente Capital Management | 1,958 | $206.1K | 0.04% | +1,958 | New |
| Peak Planning Group, LLC | 1,958 | $206.1K | 0.06% | +1,958 | New |
| Landaas & Co | 1,958 | $206.1K | 0.05% | +1,958 | New |
| Howard Bailey Securities, LLC | 1,959 | $206.2K | 0.08% | +1,959 | New |
| Henson-Edgewater Management, LLC | 1,965 | $206.8K | 0.12% | +1,965 | New |
| Petix & Botte Co | 1,966 | $206.9K | 0.05% | −1,530−43.8% | Reduced |
| Maia Wealth LLC | 1,738 | $207.2K | 0.04% | −649−27.2% | Reduced |
| Armstrong Henry H Associates Inc | 1,973 | $207.7K | 0.02% | +1,973 | New |
| M3 Advisory Group, LLC | 1,974 | $207.8K | 0.13% | +1,974 | New |
| Westhampton Capital, LLC | 1,975 | $207.9K | 0.10% | +1,975 | New |
| Sachetta, LLC | 1,972 | $208.1K | 0.11% | −4,578−69.9% | Reduced |
| Bayban | 1,977 | $208.1K | 0.18% | +1,977 | New |
| Serenity Investment Advisors | 1,881 | $208.8K | 0.12% | +1,881 | New |
| Bluesphere Advisors, LLC | 1,984 | $208.8K | 0.09% | +1,984 | New |
| Marion Wealth Management | 1,934 | $209.2K | 0.05% | +1,934 | New |
| Peachtree Investment Partners, LLC | 1,989 | $209.4K | 0.07% | −1,622−44.9% | Reduced |
| Cornerstone Management, Inc. | 1,991 | $209.6K | 0.03% | +1,991 | New |
| Genesis Private Wealth, LLC | 1,991 | $209.6K | 0.07% | +1,991 | New |
| SL Advisors, LLC | 1,992 | $209.7K | 0.43% | +1,992 | New |
| Slagle Financial, LLC | 1,992 | $209.7K | 0.07% | +1,992 | New |
| Optima Capital LLC | 1,987 | $209.9K | 0.09% | +1,987 | New |
| Members Wealth LLC | 1,955 | $210.0K | 0.13% | +1,955 | New |
| Fortis Capital Management LLC | 1,997 | $210.2K | 0.03% | +1,997 | New |
| NWK Group, Inc. | 2,000 | $210.5K | 0.07% | +2,000 | New |
| Prairiewood Capital, LLC | 2,000 | $210.5K | 0.07% | +2,000 | New |
| Partnership Wealth Management, LLC | 2,000 | $210.5K | 0.15% | +2,000 | New |
| Meritage Portfolio Management | 2,003 | $210.8K | 0.01% | +2,003 | New |
| Gordian Advisors LLC | 2,005 | $211.1K | 0.14% | +2,005 | New |
| Whitcomb & Hess, Inc. | 1,954 | $211.6K | 0.05% | +1,954 | New |
| Barings LLC | 2,011 | $211.7K | 0.00% | +2,011 | New |
| Almanack Investment Partners, LLC. | 2,013 | $211.9K | 0.04% | −1,001−33.2% | Reduced |
| Stonebridge Financial Group, LLC | 2,013 | $211.9K | 0.18% | +2,013 | New |
| Pacific Center for Financial Services | 2,526 | $212.0K | 0.05% | 00.0% | Unchanged |
| Palisade Capital Management LLC | 2,014 | $212.0K | 0.01% | +2,014 | New |
| Capital Investment Counsel, LLC | 2,018 | $212.4K | 0.03% | +2,018 | New |
| Sandy Cove Advisors, LLC | 2,020 | $212.6K | 0.06% | +2,020 | New |
| Astoria Portfolio Advisors LLC. | 1,718 | $212.7K | 0.05% | −736−30.0% | Reduced |
| Private Client Services, LLC | 2,022 | $212.9K | 0.07% | +2,022 | New |
| SK Wealth Management, LLC | 1,965 | $212.9K | 0.06% | +1,965 | New |
| Brian Low Financial Group, LLC | 2,023 | $212.9K | 0.15% | +2,023 | New |
| Retirement Investment Advisors, Inc. | 2,023 | $212.9K | 0.02% | +2,023 | New |
| Creekside Partners | 2,026 | $213.2K | 0.09% | +2,026 | New |
| Invested Advisors | 2,027 | $213.4K | 0.22% | −390−16.1% | Reduced |
| Aua Capital Management, LLC | 2,030 | $213.7K | 0.11% | +2,030 | New |
| Cornerstone Advisors Asset Management, LLC | 2,031 | $213.8K | 0.03% | +2,031 | New |
| Fiduciary Wealth Partners, LLC | 2,031 | $213.8K | 0.09% | +2,031 | New |
| Spectrum Investment Advisors, Inc. | 2,032 | $213.9K | 0.11% | +2,032 | New |
| J. Derek Lewis & Associates Inc. | 2,032 | $213.9K | 0.05% | +2,032 | New |
| Stembrook Asset Management, LLC | 2,040 | $214.7K | 0.20% | +2,040 | New |
| Prosperitas Financial LLC | 2,042 | $214.9K | 0.08% | +2,042 | New |
| Seed Wealth Management, Inc. | 2,043 | $215.0K | 0.15% | +2,043 | New |
| Intrepid Capital Management Inc | 2,044 | $215.2K | 0.08% | +2,044 | New |
| United Bank | 2,046 | $215.4K | 0.07% | +2,046 | New |
| Monetary Solutions, Ltd | 2,049 | $215.7K | 0.21% | +2,049 | New |
| Exit Wealth Advisors, LLC. | 2,051 | $215.8K | 0.13% | +2,051 | New |
| Vista Cima Wealth Management LLC | 2,053 | $216.1K | 0.18% | −3,008−59.4% | Reduced |
| Oliver Luxxe Assets LLC | 2,056 | $216.4K | 0.03% | +2,056 | New |
| Kohmann Bosshard Financial Services, LLC | 2,062 | $217.1K | 0.02% | −368−15.1% | Reduced |
| DSG Capital Advisors, LLC | 1,958 | $217.3K | 0.03% | +1,958 | New |
| First Wilshire Securities Management Inc | 2,065 | $217.4K | 0.05% | +2,065 | New |
| Custos Family Office, LLC | 2,068 | $217.7K | 0.15% | +2,068 | New |
| Collaborative Wealth Managment Inc. | 2,069 | $217.8K | 0.08% | +2,069 | New |
| Vivid Wealth Management, LLC | 2,070 | $217.8K | 0.08% | +2,070 | New |
| Dillon & Associates Inc | 2,078 | $218.0K | 0.03% | +2,078 | New |
| Cascade Investment Group, Inc. | 2,073 | $218.2K | 0.15% | +2,073 | New |
| Atlas Private Wealth Advisors | 2,077 | $218.6K | 0.05% | +2,077 | New |
| Delta Capital Management LLC | 2,080 | $219.0K | 0.12% | +2,080 | New |
| Gerber, LLC | 2,081 | $219.1K | 0.12% | +2,081 | New |
| Transcendent Capital Group LLC | 2,082 | $219.1K | 0.10% | +2,082 | New |
| Fortis Advisors, LLC | 2,083 | $219.3K | 0.12% | +2,083 | New |
| Redwood Park Advisors LLC | 2,084 | $219.4K | 0.15% | +16+0.8% | Added |
| Wood Tarver Financial Group, LLC | 2,092 | $220.0K | 0.06% | +2,092 | New |
| American Capital Management Inc | 2,100 | $221.0K | 0.01% | +2,100 | New |
| Promethos Capital, LLC | 2,103 | $221.4K | 0.06% | +2,103 | New |
| Accelerate Investment Advisors LLC | 2,109 | $222.0K | 0.15% | +2,109 | New |
| Avid Wealth Partners LLC | 2,113 | $222.7K | 0.11% | +2,113 | New |
| Fagan Associates, Inc. | 2,118 | $222.9K | 0.03% | +2,118 | New |
| Woodley Farra Manion Portfolio Management Inc | 2,101 | $223.0K | 0.01% | +2,101 | New |
| Muirfield Wealth Advisors LLC | 2,118 | $223.0K | 0.16% | +2,118 | New |
| Stony Point Wealth Management Inc. | 2,121 | $223.2K | 0.08% | +2,121 | New |
| GK Wealth Management LLC | 2,123 | $223.5K | 0.16% | +2,123 | New |
| Planning Alternatives Ltd | 2,127 | $223.9K | 0.03% | +2,127 | New |
| Miramontes Capital, LLC | 2,129 | $224.1K | 0.08% | +2,129 | New |
| Leeward Financial Partners, LLC | 2,131 | $224.3K | 0.06% | +2,131 | New |
| Planning Center, Inc. | 2,132 | $224.4K | 0.02% | +2,132 | New |
| Argos Wealth Advisors, LLC | 2,138 | $225.0K | 0.07% | +2,138 | New |
| Clune & Associates, Ltd. | 2,142 | $225.4K | 0.05% | +2,142 | New |