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; 3,854 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, Q2 2026
Institutional positions in Merck & Co., Inc. as of Jun 30, 2026. 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
- 3,854
- +96 vs. Q1 2026
- Shares held
- 1.98B
- +52.6M (+2.7%) vs. Q1 2026
- Total value
- $254.3B
- +$23.0B (+9.9%) vs. Q1 2026
- New holders
- 214
- 1,635 more added
- Sold out
- 118
- 1,508 more reduced
54 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | 3,854 | $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, Q2 2026
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| McCollum Christoferson Group LLC | 1,635 | $210.1K | 0.06% | −200−10.9% | Reduced |
| HC Advisors, LLC | 1,635 | $210.2K | 0.13% | +1,635 | New |
| Stone House Investment Management, LLC | 1,638 | $210.5K | 0.03% | +238+17.0% | Added |
| Trust Investment Advisors | 1,639 | $210.6K | 0.10% | +1,639 | New |
| RAM Investment Partners, LLC | 1,640 | $210.7K | 0.03% | +1,640 | New |
| Gardner Russo & Quinn LLCSuperinvestorGardner Russo & Quinn | 1,642 | $211.0K | 0.00% | −499−23.3% | Reduced |
| LWM Advisory Services, LLC | 1,648 | $211.8K | 0.38% | +1,648 | New |
| Abound Wealth Management | 1,649 | $211.9K | 0.04% | −57−3.3% | Reduced |
| Hamrick Investment Counsel, llc | 1,640 | $212.1K | 0.14% | −10−0.6% | Reduced |
| Private Advisory Group LLC | 1,656 | $212.8K | 0.01% | −48−2.8% | Reduced |
| Heritage Wealth Management, Inc. | 1,657 | $212.9K | 0.11% | −69−4.0% | Reduced |
| Kingsman Wealth Management, Inc. | 1,658 | $213.1K | 0.10% | −53−3.1% | Reduced |
| Vance Wealth, Inc. | 1,649 | $213.3K | 0.05% | +1,649 | New |
| Sterling Investment Management, Inc. | 1,661 | $213.4K | 0.12% | +1,661 | New |
| Flagship Wealth Advisors, LLC | 1,662 | $213.6K | 0.05% | +963+137.8% | Added |
| DecisionMap Wealth Management, LLC | 1,664 | $213.8K | 0.12% | −44−2.6% | Reduced |
| Aviso Financial Inc. | 1,665 | $214.0K | 0.01% | +845+103.0% | Added |
| Matrix Asset Advisors Inc | 1,671 | $214.7K | 0.02% | 00.0% | Unchanged |
| WealthCollab, LLC | 1,673 | $215.0K | 0.08% | +1,428+582.9% | Added |
| PAX Financial Group, LLC | 1,681 | $216.0K | 0.03% | +1,681 | New |
| Oliver Luxxe Assets LLC | 1,681 | $216.0K | 0.03% | +2+0.1% | Added |
| Cordoba Advisory Partners LLC | 1,673 | $216.3K | 0.05% | +1,673 | New |
| Valley Financial Group, Inc. | 1,683 | $216.3K | 0.11% | 00.0% | Unchanged |
| Innova Wealth Partners | 1,684 | $216.4K | 0.09% | +29+1.8% | Added |
| PMG Family Office LLC | 1,677 | $216.9K | 0.20% | +1,677 | New |
| N10 Wealth, LLC | 1,689 | $217.0K | 0.08% | +1,689 | New |
| Raffa Wealth Management, LLC | 1,691 | $217.3K | 0.03% | −16−0.9% | Reduced |
| Aspire Capital Advisors LLC | 1,693 | $217.5K | 0.04% | +9+0.5% | Added |
| Front Street Capital Management, Inc. | 1,695 | $217.8K | 0.02% | +1,695 | New |
| Penbrook Management LLC | 1,700 | $218.4K | 0.14% | 00.0% | Unchanged |
| Wedgewood Investors Inc | 1,701 | $218.6K | 0.22% | 00.0% | Unchanged |
| Broadway Wealth Solutions, Inc. | 1,706 | $219.2K | 0.10% | +10+0.6% | Added |
| Maridea Wealth Management LLC | 1,709 | $219.6K | 0.02% | +1,709 | New |
| My Purposeful Wealth Corp. | 1,709 | $219.7K | 0.04% | +1,709 | New |
| Encompass More Asset Management | 1,710 | $219.8K | 0.03% | 00.0% | Unchanged |
| Clearwave Capital, LLC | 1,713 | $220.1K | 0.12% | +1,713 | New |
| Ayrshire Capital Management LLC | 1,719 | $220.9K | 0.10% | +27+1.6% | Added |
| Wealth Management Partners, LLC | 1,720 | $221.0K | 0.05% | 00.0% | Unchanged |
| Advocacy Wealth Management Services, LLC | 1,722 | $221.3K | 0.01% | +1,722 | New |
| Harrington Investments, INC | 1,723 | $221.4K | 0.11% | 00.0% | Unchanged |
| Hidden Cove Wealth Management, LLC | 1,726 | $221.8K | 0.12% | +1,726 | New |
| Oberweis Asset Management Inc | 1,730 | $222.3K | 0.00% | 00.0% | Unchanged |
| Richard C. Young & CO., LTD. | 1,732 | $222.5K | 0.02% | +4+0.2% | Added |
| Global Assets Advisory, LLC | 1,772 | $223.3K | 0.05% | +1,000+129.5% | Added |
| Stony Point Wealth Management Inc. | 1,740 | $223.6K | 0.08% | +76+4.6% | Added |
| Brogan Financial, Inc. | 1,742 | $223.8K | 0.09% | +12+0.7% | Added |
| Nvest Financial, LLC | 1,745 | $224.3K | 0.07% | +4+0.2% | Added |
| Legend Capital Advisors LLC | 1,750 | $224.9K | 0.12% | 00.0% | Unchanged |
| Arlington Trust Co LLC | 1,750 | $224.9K | 0.02% | +788+81.9% | Added |
| Penserra Capital Management LLC | 1,760 | $225.0K | 0.00% | +7+0.4% | Added |
| Eaton-Cambridge Inc. | 1,753 | $225.3K | 0.06% | +1,753 | New |
| Slagle Financial, LLC | 1,761 | $226.2K | 0.07% | +30+1.7% | Added |
| Financial Insights, Inc. | 1,764 | $226.6K | 0.06% | +1,764 | New |
| Selective Wealth Management, Inc. | 1,779 | $226.9K | 0.06% | +1,779 | New |
| Everest Management Corp. | 1,769 | $227.3K | 0.08% | +1,769 | New |
| Concord Wealth Partners | 1,770 | $227.4K | 0.03% | +1,770 | New |
| Vision Retirement, LLC | 1,770 | $227.4K | 0.05% | 00.0% | Unchanged |
| R. W. Roge & Company, Inc. | 1,775 | $228.0K | 0.10% | +1,775 | New |
| Endowment Wealth Management, Inc. | 1,776 | $228.2K | 0.09% | −18−1.0% | Reduced |
| Sandro Wealth Management LLC | 1,778 | $228.4K | 0.17% | +1,778 | New |
| Tenet Wealth Partners, LLC | 1,750 | $228.8K | 0.17% | +1,750 | New |
| Burton Enright Welch | 1,782 | $229.0K | 0.03% | −402−18.4% | Reduced |
| WPG Advisers, LLC | 1,782 | $229.0K | 0.13% | +386+27.7% | Added |
| Flywheel Private Wealth LLC | 1,783 | $229.2K | 0.11% | −1−0.1% | Reduced |
| University of Texas/Texas Am Investment Managment Co | 1,783 | $229.3K | 0.03% | +1,783 | New |
| Villere St Denis J & Co LLC | 1,792 | $230.3K | 0.03% | 00.0% | Unchanged |
| Fusion Capital, LLC | 1,794 | $230.6K | 0.05% | +3+0.2% | Added |
| Centennial Wealth Advisory LLC | 1,798 | $231.0K | 0.05% | −139−7.2% | Reduced |
| Nottingham Advisors, Inc. | 1,800 | $231.3K | 0.03% | 00.0% | Unchanged |
| Gouws Capital LLC | 1,800 | $231.3K | 0.11% | 00.0% | Unchanged |
| Robinson Smith Wealth Advisors LLC | 1,803 | $231.7K | 0.14% | −1,954−52.0% | Reduced |
| Maia Wealth LLC | 1,808 | $232.4K | 0.03% | +83+4.8% | Added |
| TAGStone Capital, Inc. | 1,799 | $232.8K | 0.07% | +12+0.7% | Added |
| Eagle Harbor Asset Management Inc | 1,812 | $232.8K | 0.18% | −380−17.3% | Reduced |
| McElhenny Sheffield Capital Management, LLC | 1,813 | $233.0K | 0.06% | +1,813 | New |
| Symphony Financial Services, Inc. | 1,815 | $233.2K | 0.10% | −106−5.5% | Reduced |
| Capital Investment Counsel, Inc | 1,816 | $233.3K | 0.03% | +1,816 | New |
| VERITY Wealth Advisors | 1,822 | $234.1K | 0.14% | +1,822 | New |
| Nolet Wealth Management, LLC | 1,822 | $234.2K | 0.13% | +125+7.4% | Added |
| Corundum Trust Company, INC | 1,824 | $234.4K | 0.63% | 00.0% | Unchanged |
| Chiron Capital Management, LLC | 1,827 | $234.8K | 0.21% | −6,712−78.6% | Reduced |
| S&T Bank | 1,829 | $235.0K | 0.07% | +265+16.9% | Added |
| tru Independence LLC | 1,829 | $235.0K | 0.10% | −54−2.9% | Reduced |
| Consilium Wealth Advisory, LLC | 1,831 | $235.3K | 0.07% | +120+7.0% | Added |
| Brown Wealth Management, LLC | 1,833 | $235.5K | 0.05% | −162−8.1% | Reduced |
| Armstrong Advisory Group, Inc | 1,833 | $235.5K | 0.01% | 00.0% | Unchanged |
| Disciplined Investors, L.L.C. | 1,836 | $235.9K | 0.12% | +1,836 | New |
| DSG Capital Advisors, LLC | 1,958 | $236.5K | 0.03% | 00.0% | Unchanged |
| Armstrong Henry H Associates Inc | 1,843 | $236.8K | 0.02% | 00.0% | Unchanged |
| Financial Network Wealth Management LLC | 1,836 | $237.0K | 0.07% | 00.0% | Unchanged |
| Iron Financial, LLC | 1,847 | $237.4K | 0.10% | +91+5.2% | Added |
| Rice Hall James & Associates, LLC | 1,850 | $237.7K | 0.01% | 00.0% | Unchanged |
| Deltec Asset Management LLC | 1,851 | $237.9K | 0.04% | 00.0% | Unchanged |
| DV Trading LLC | 1,851 | $237.9K | 0.02% | +1,851 | New |
| STAR Financial Bank | 1,855 | $238.4K | 0.10% | +94+5.3% | Added |
| Crane Advisory, LLC | 1,868 | $238.4K | 0.03% | 00.0% | Unchanged |
| McClarren Financial Advisors, Inc. | 1,857 | $238.6K | 0.12% | +10+0.5% | Added |
| Instrumental Wealth, LLC | 1,864 | $239.5K | 0.12% | +119+6.8% | Added |
| Hoge Financial Services, LLC | 1,865 | $239.6K | 0.11% | +65+3.6% | Added |
| Denver Wealth Management, Inc. | 1,865 | $239.7K | 0.07% | +4+0.2% | Added |