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 2025
Institutional positions in Merck & Co., Inc. as of Sep 30, 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
- 3,319
- +42 vs. Q2 2025
- Shares held
- 1.90B
- −25.7M (−1.3%) vs. Q2 2025
- Total value
- $159.8B
- +$6.99B (+4.6%) vs. Q2 2025
- New holders
- 191
- 1,361 more added
- Sold out
- 149
- 1,427 more reduced
60 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Leslie Global Wealth, LLC | 2,543 | $213.4K | 0.10% | +2,543 | New |
| BXM Wealth LLC | 2,543 | $213.4K | 0.20% | +2,543 | New |
| O'Keefe Stevens Advisory, Inc. | 2,544 | $213.5K | 0.06% | 00.0% | Unchanged |
| N.E.W. Advisory Services LLC | 2,544 | $213.5K | 0.02% | −309−10.8% | Reduced |
| Brass Tax Wealth Management, Inc | 2,549 | $214.0K | 0.04% | −115−4.3% | Reduced |
| Yukon Wealth Management, Inc. | 2,556 | $214.6K | 0.07% | +2,556 | New |
| Heck Capital Advisors, LLC | 2,538 | $214.8K | 0.02% | +12+0.5% | Added |
| Analyst IMS Investment Management Services Ltd. | 2,565 | $215.0K | 0.01% | 00.0% | Unchanged |
| Shilanski & Associates, Inc. | 2,563 | $215.1K | 0.06% | +2,563 | New |
| Private Wealth Management Group, LLC | 2,564 | $215.2K | 0.06% | +26+1.0% | Added |
| Five Oceans Advisors | 2,565 | $215.3K | 0.08% | −171−6.3% | Reduced |
| Measured Wealth Private Client Group, LLC | 2,573 | $216.0K | 0.06% | −602−19.0% | Reduced |
| Newbridge Financial Services Group, Inc. | 2,574 | $216.0K | 0.03% | −290−10.1% | Reduced |
| Consilio Wealth Advisors, LLC | 2,581 | $216.6K | 0.07% | +2,581 | New |
| Meridian Wealth Partners, LLC | 2,597 | $218.0K | 0.03% | +2,597 | New |
| Avenue 1 Advisors, LLC | 2,598 | $218.1K | 0.07% | +6+0.2% | Added |
| Kings Path Partners LLC | 2,600 | $218.2K | 0.08% | 00.0% | Unchanged |
| Petros Family Wealth, LLC | 2,601 | $218.3K | 0.18% | +2,601 | New |
| North Forty Two & Co. | 2,601 | $218.3K | 0.21% | 00.0% | Unchanged |
| Magnolia Private Wealth, LLC | 2,601 | $218.3K | 0.16% | +2,601 | New |
| City National Bank of Florida | 2,609 | $219.0K | 0.14% | +2,609 | New |
| Reyes Financial Architecture, Inc. | 2,610 | $219.1K | 0.15% | +1,035+65.7% | Added |
| Mattern Capital Management, LLC | 2,623 | $220.1K | 0.03% | −753−22.3% | Reduced |
| JSF Financial, LLC | 2,623 | $220.2K | 0.05% | −1,184−31.1% | Reduced |
| Ewa, LLC | 2,630 | $220.8K | 0.06% | +2,630 | New |
| Siligmueller & Norvid Wealth Advisors LLC | 2,650 | $220.8K | 0.10% | +2,650 | New |
| Triton Wealth Management, PLLC | 2,610 | $221.5K | 0.08% | +8+0.3% | Added |
| Ahl Investment Management, Inc. | 2,655 | $222.8K | 0.15% | 00.0% | Unchanged |
| Birchbrook, Inc. | 2,660 | $223.3K | 0.12% | −150−5.3% | Reduced |
| Detalus Advisors, LLC | 2,661 | $223.3K | 0.06% | +4+0.2% | Added |
| Legacy Financial Group, Inc. | 2,666 | $223.8K | 0.06% | +2,666 | New |
| Torrey Growth & Income Advisors | 2,668 | $223.9K | 0.07% | +2,668 | New |
| Tripletail Wealth Management, LLC | 2,557 | $225.0K | 0.27% | −128−4.8% | Reduced |
| Family Wealth Partners, LLC | 2,684 | $225.3K | 0.08% | +2,684 | New |
| Bey-Douglas LLC | 2,685 | $225.4K | 0.17% | +2,685 | New |
| 49 Wealth Management, LLC | 2,686 | $225.4K | 0.02% | −83−3.0% | Reduced |
| South Street Advisors LLC | 2,687 | $225.5K | 0.03% | +2,687 | New |
| Lanham O'Dell & Company, Inc. | 2,689 | $225.7K | 0.07% | +12+0.4% | Added |
| Moment Partners, LLC | 2,691 | $225.9K | 0.04% | −8−0.3% | Reduced |
| Shakespeare Wealth Management, Inc. | 2,692 | $225.9K | 0.05% | −76−2.7% | Reduced |
| Jag Capital Management, LLC | 2,696 | $226.3K | 0.02% | +2,696 | New |
| Werba Rubin Papier Wealth Management | 2,698 | $226.5K | 0.04% | −50−1.8% | Reduced |
| Quantum Private Wealth, LLC | 2,700 | $226.6K | 0.07% | 00.0% | Unchanged |
| Deroy & Devereaux Private Investment Counsel Inc | 2,703 | $227.0K | 0.01% | −75−2.7% | Reduced |
| Cura Wealth Advisors, LLC | 2,706 | $227.1K | 0.09% | +2,706 | New |
| Rollins Financial Advisors, LLC | 2,706 | $227.1K | 0.03% | +12+0.4% | Added |
| Grant Private Wealth Management Inc | 2,712 | $227.6K | 0.14% | +2,712 | New |
| Marks Group Wealth Management, Inc | 2,713 | $227.7K | 0.02% | 00.0% | Unchanged |
| Stanley-Laman Group, Ltd. | 2,718 | $228.1K | 0.03% | −1,012−27.1% | Reduced |
| CFO4Life Group, LLC | 2,721 | $228.4K | 0.03% | +2,721 | New |
| Warren Street Wealth Advisors, LLC | 2,731 | $229.2K | 0.07% | +2,731 | New |
| Alaethes Wealth LLC | 2,726 | $229.8K | 0.07% | +2,726 | New |
| Fairview Capital Investment Management, LLC | 2,741 | $230.1K | 0.01% | 00.0% | Unchanged |
| Vista Investment Partners II, LLC | 2,741 | $230.1K | 0.11% | +2,741 | New |
| Prospect Financial Group LLC | 2,742 | $230.1K | 0.22% | −104−3.7% | Reduced |
| Firestone Capital Management | 2,743 | $230.2K | 0.05% | −97−3.4% | Reduced |
| Chapman Financial Group, LLC | 2,743 | $230.2K | 0.16% | +1,678+157.6% | Added |
| Corsicana & Co. | 2,745 | $230.4K | 0.13% | +2,745 | New |
| Vectors Research Management, LLC | 2,745 | $230.4K | 0.07% | 00.0% | Unchanged |
| Financial Freedom, LLC | 2,747 | $230.5K | 0.11% | +14+0.5% | Added |
| Lion Street Advisors, LLC | 2,625 | $231.1K | 0.08% | +26+1.0% | Added |
| Willis Johnson & Associates, Inc. | 2,765 | $232.0K | 0.01% | +2,765 | New |
| Panoramic Investment Advisors, LLC | 2,773 | $232.7K | 0.13% | −70−2.5% | Reduced |
| BlueChip Wealth Advisors LLC | 2,775 | $232.9K | 0.10% | −41−1.5% | Reduced |
| LeConte Wealth Management, LLC | 2,778 | $233.2K | 0.16% | +2,778 | New |
| Curran Financial Partners, LLC | 2,779 | $233.3K | 0.05% | −55−1.9% | Reduced |
| Obsidian Personal Planning Solutions LLC | 2,718 | $233.7K | 0.08% | −45−1.6% | Reduced |
| Hills Bank & Trust Co | 2,789 | $234.1K | 0.01% | 00.0% | Unchanged |
| Rakuten Securities, Inc. | 2,791 | $234.2K | 0.09% | −676−19.5% | Reduced |
| Hudson Portfolio Management LLC | 2,791 | $234.2K | 0.21% | +2,791 | New |
| Blue Square Asset Management, LLC | 2,793 | $234.4K | 0.10% | 00.0% | Unchanged |
| First United Bank Trust | 2,798 | $234.8K | 0.08% | −51−1.8% | Reduced |
| Birchcreek Wealth Management, LLC | 2,803 | $235.3K | 0.12% | 00.0% | Unchanged |
| TigerOak Management, L.L.C. | 2,806 | $235.5K | 0.07% | −139−4.7% | Reduced |
| Amarillo National Bank | 2,813 | $236.1K | 0.04% | −100−3.4% | Reduced |
| Kellett Schaffner Wealth Advisors LLC | 2,816 | $236.3K | 0.14% | −55−1.9% | Reduced |
| True Wealth Design, LLC | 2,817 | $236.5K | 0.07% | +1,934+219.0% | Added |
| Maryland Capital Advisors Inc. | 2,820 | $236.7K | 0.08% | 00.0% | Unchanged |
| TD Capital Management LLC | 2,822 | $236.9K | 0.02% | +14+0.5% | Added |
| Fountainhead AM, LLC | 2,823 | $236.9K | 0.03% | −70−2.4% | Reduced |
| Greenline Partners, LLC | 2,825 | $237.1K | 0.03% | −868−23.5% | Reduced |
| Kelly Financial Group LLC | 2,807 | $237.9K | 0.06% | +17+0.6% | Added |
| Walker Asset Management, LLC | 2,835 | $237.9K | 0.13% | −74−2.5% | Reduced |
| Valley Brook Capital Group | 2,836 | $238.0K | 0.16% | 00.0% | Unchanged |
| ELCO Management Co., LLC | 2,837 | $238.1K | 0.12% | 00.0% | Unchanged |
| Blue Barn Wealth, LLC | 2,842 | $238.5K | 0.10% | +42+1.5% | Added |
| Grey Fox Wealth Advisors, LLC | 2,816 | $238.7K | 0.05% | −88−3.0% | Reduced |
| AllSquare Wealth Management LLC | 2,850 | $239.2K | 0.13% | −500−14.9% | Reduced |
| Tradition Wealth Management, LLC | 2,852 | $239.4K | 0.02% | +109+4.0% | Added |
| Arkfeld Wealth Strategies, L.L.C. | 2,687 | $239.7K | 0.09% | −23−0.8% | Reduced |
| ETF Store, Inc. | 2,859 | $239.9K | 0.25% | +195+7.3% | Added |
| Bell Investment Advisors, Inc | 2,860 | $240.0K | 0.04% | −102−3.4% | Reduced |
| Matrix Asset Advisors Inc | 2,870 | $240.9K | 0.02% | −45−1.5% | Reduced |
| Lifestyle Asset Management, Inc. | 2,871 | $241.0K | 0.08% | +2,871 | New |
| Grandview Asset Management LLC | 2,873 | $241.1K | 0.07% | +2+0.1% | Added |
| Invested Advisors | 2,417 | $241.3K | 0.35% | +2,417 | New |
| Oxbow Advisors, LLC | 2,883 | $242.0K | 0.02% | +2,883 | New |
| Talisman Wealth Advisors LLC | 2,883 | $242.0K | 0.20% | +198+7.4% | Added |
| KFA Private Wealth Group, LLC | 2,885 | $242.2K | 0.07% | +203+7.6% | Added |
| Optivise Advisory Services LLC | 2,889 | $242.5K | 0.14% | +2,889 | New |