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
- 3,675
- +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
- 1,404 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 | 3,813 | $231.9B |
| Q4 2025 | 3,675 | $206.6B |
| Q3 2025 | 3,320 | $159.8B |
| Q2 2025 | 3,338 | $155.9B |
| Q1 2025 | 3,460 | $177.7B |
| Q4 2024 | 3,619 | $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 |
|---|---|---|---|---|---|
| Broyhill Asset Management | 3,473 | $365.6K | 0.32% | −490−12.4% | Reduced |
| Argent Capital Management LLC | 3,475 | $365.8K | 0.01% | 00.0% | Unchanged |
| Strategent Financial, LLC | 3,475 | $365.8K | 0.23% | 00.0% | Unchanged |
| Close Asset Management Ltd | 3,474 | $366.0K | 0.01% | −1,654−32.3% | Reduced |
| One Charles Private Wealth Services, LLC | 3,478 | $366.1K | 0.09% | +14+0.4% | Added |
| Apeiron RIA LLC | 3,243 | $366.1K | 0.07% | −418−11.4% | Reduced |
| Liberty Square Wealth Partners LLC | 3,485 | $366.8K | 0.10% | −476−12.0% | Reduced |
| Westshore Wealth, LLC | 3,491 | $367.4K | 0.12% | −630−15.3% | Reduced |
| Sterneck Capital Management, LLC | 3,491 | $367.5K | 0.17% | −120−3.3% | Reduced |
| Ironwood Investment Management LLC | 3,494 | $367.8K | 0.15% | 00.0% | Unchanged |
| CMG Global Holdings, LLC | 3,112 | $368.2K | 0.16% | −145−4.5% | Reduced |
| Adamsbrown Wealth Consultants LLC | 3,498 | $368.2K | 0.10% | +23+0.7% | Added |
| Huntleigh Advisors, Inc. | 3,501 | $368.5K | 0.06% | −122−3.4% | Reduced |
| Powers Advisory Group, LLC | 3,502 | $368.6K | 0.14% | +435+14.2% | Added |
| Fortitude Advisory Group L.L.C. | 3,503 | $368.7K | 0.16% | +155+4.6% | Added |
| Adkins Seale Capital Management LLC | 3,509 | $369.4K | 0.36% | +3,509 | New |
| Alexander Labrunerie & Co., Inc. | 3,512 | $369.7K | 0.13% | +14+0.4% | Added |
| Illumine Investment Management, LLC | 3,540 | $372.6K | 0.27% | 00.0% | Unchanged |
| Viewpoint Capital Management LLC | 3,543 | $372.9K | 0.16% | −28−0.8% | Reduced |
| InTrack Investment Management Inc | 3,557 | $374.4K | 0.21% | 00.0% | Unchanged |
| Wilkins Miller Wealth Management, LLC | 3,557 | $374.5K | 0.22% | −142−3.8% | Reduced |
| Voya Financial Advisors, Inc. | 3,514 | $374.7K | 0.04% | −105−2.9% | Reduced |
| Plante Moran Financial Advisors, LLC | 3,560 | $374.7K | 0.02% | +498+16.3% | Added |
| Johnson Financial Group, LLC | 3,566 | $375.4K | 0.02% | −300−7.8% | Reduced |
| Core Wealth Advisors, Inc. | 3,568 | $375.6K | 0.10% | −38−1.1% | Reduced |
| BDFS Capital LLC | 3,544 | $376.1K | 0.19% | +3,544 | New |
| Berkeley, Inc | 3,583 | $377.2K | 0.12% | +10+0.3% | Added |
| Aspen Grove Capital, LLC | 3,558 | $377.5K | 0.07% | +116+3.4% | Added |
| Werba Rubin Papier Wealth Management | 3,593 | $378.2K | 0.10% | +895+33.2% | Added |
| RD Lewis Holdings, Inc. | 3,266 | $378.3K | 0.32% | 00.0% | Unchanged |
| Ruggiero Investments, Inc. | 3,596 | $378.5K | 0.34% | +3,596 | New |
| Pension & Wealth Management Advisors, Inc. | 3,604 | $379.4K | 0.11% | +3,452+2,271.1% | Added |
| Olistico Wealth, LLC | 3,607 | $379.6K | 0.19% | −138−3.7% | Reduced |
| Kelman-Lazarov, Inc. | 3,607 | $379.7K | 0.05% | +48+1.3% | Added |
| RWM Asset Management, LLC | 3,539 | $380.1K | 0.04% | −172−4.6% | Reduced |
| a16z Perennial Management, L.P. | 3,612 | $380.2K | 0.03% | +150+4.3% | Added |
| First Long Island Investors, LLC | 3,628 | $381.9K | 0.03% | 00.0% | Unchanged |
| RTD Financial Advisors, Inc. | 3,635 | $382.6K | 0.05% | +150+4.3% | Added |
| Dakota Community Bank & Trust NA | 3,635 | $382.6K | 1.31% | +69+1.9% | Added |
| Per Stirling Capital Management, LLC. | 3,637 | $382.9K | 0.04% | +2+0.1% | Added |
| Mountain Pacific Investment Advisers Inc | 3,641 | $383.3K | 0.06% | 00.0% | Unchanged |
| Tortoise Investment Management, LLC | 3,641 | $383.3K | 0.03% | +72+2.0% | Added |
| Petros Family Wealth, LLC | 3,655 | $384.7K | 0.26% | +1,054+40.5% | Added |
| Wright Investors Service Inc | 3,656 | $384.8K | 0.12% | −115−3.0% | Reduced |
| Peck Wealth Management, LLC | 3,659 | $385.1K | 0.36% | 00.0% | Unchanged |
| Alteri Wealth LLC | 3,675 | $386.8K | 0.13% | +32+0.9% | Added |
| Caitong International Asset Management Co., Ltd | 3,692 | $388.6K | 0.10% | +3,692 | New |
| Resurgent Financial Advisors LLC | 3,704 | $389.9K | 0.20% | −1,488−28.7% | Reduced |
| Aufman Associates Inc | 3,704 | $389.9K | 0.20% | −29−0.8% | Reduced |
| Dimension Capital Management LLC | 3,704 | $389.9K | 0.05% | +3,704 | New |
| WMG Financial Advisors, LLC | 3,709 | $390.4K | 0.16% | −149−3.9% | Reduced |
| Red Mountain Financial, LLC | 3,713 | $390.9K | 0.38% | +2+0.1% | Added |
| Seizert Capital Partners, LLC | 3,720 | $391.6K | 0.02% | 00.0% | Unchanged |
| Ballew Advisors, Inc | 3,618 | $391.7K | 0.22% | −410−10.2% | Reduced |
| Rossby Financial, LCC | 3,724 | $392.0K | 0.12% | +1,644+79.0% | Added |
| Goldstein Advisors, LLC | 3,726 | $392.2K | 0.04% | +58+1.6% | Added |
| Three Seasons Wealth, LLC | 3,697 | $392.3K | 0.04% | +23+0.6% | Added |
| Somerset Group LLC | 3,613 | $392.4K | 0.30% | 00.0% | Unchanged |
| Blackston Financial Advisory Group, LLC | 3,732 | $392.8K | 0.24% | −286−7.1% | Reduced |
| JTC Employer Solutions Trusteee Ltd | 3,729 | $393.0K | 0.03% | 00.0% | Unchanged |
| Financial Management Professionals, Inc. | 3,704 | $393.0K | 0.04% | −87−2.3% | Reduced |
| Nexus Investment Management ULC | 3,735 | $393.1K | 0.05% | 00.0% | Unchanged |
| D'Orazio & Associates, Inc. | 3,743 | $394.0K | 0.05% | +1,260+50.7% | Added |
| Wetzel Investment Advisors, Inc. | 3,720 | $394.8K | 0.16% | −268−6.7% | Reduced |
| Silvia McColl Wealth Management, LLC | 3,756 | $395.4K | 0.26% | −147−3.8% | Reduced |
| Evanson Asset Management, LLC | 3,757 | $395.5K | 0.02% | −56−1.5% | Reduced |
| Robinson Smith Wealth Advisors LLC | 3,757 | $395.5K | 0.27% | −255−6.4% | Reduced |
| Up Strategic Wealth Investment Advisors LLC | 3,249 | $396.1K | 0.29% | +5+0.2% | Added |
| Redwood Financial Network Corp | 3,765 | $396.3K | 0.25% | +3+0.1% | Added |
| MBM Wealth Consultants, LLC | 3,766 | $396.4K | 0.09% | 00.0% | Unchanged |
| Silver Coast Investments LLC | 3,770 | $396.8K | 0.14% | +7+0.2% | Added |
| Perennial Advisors, LLC | 3,774 | $397.3K | 0.07% | 00.0% | Unchanged |
| Independent Wealth Network Inc. | 3,784 | $398.3K | 0.12% | −35−0.9% | Reduced |
| Lynx Investment Advisory | 3,789 | $398.8K | 0.22% | −183−4.6% | Reduced |
| Gradient Investments LLC | 3,789 | $398.9K | 0.01% | −371−8.9% | Reduced |
| Beacon Financial Strategies CORP | 3,792 | $399.2K | 0.22% | +2+0.1% | Added |
| St. Nicholas Private Asset Management, Inc | 3,794 | $399.4K | 0.36% | −1,487−28.2% | Reduced |
| Fund Advisors of America Inc | 3,794 | $399.4K | 0.37% | +3,794 | New |
| Peoples Bank | 3,795 | $399.5K | 0.40% | −600−13.7% | Reduced |
| American Institute for Advanced Investment Management, LLP | 3,795 | $399.5K | 0.26% | −47−1.2% | Reduced |
| Warm Springs Advisors Inc. | 3,801 | $400.1K | 0.31% | −37−1.0% | Reduced |
| North Point Portfolio Managers Corp | 3,806 | $400.6K | 0.07% | −536−12.3% | Reduced |
| Morey & Quinn Wealth Partners, LLC | 3,811 | $401.1K | 0.29% | −395−9.4% | Reduced |
| Verum Partners LLC | 3,812 | $401.2K | 0.08% | +500+15.1% | Added |
| Reflection Asset Management | 3,814 | $401.5K | 0.29% | +3,814 | New |
| Advus Financial Partners, LLC | 3,816 | $401.7K | 0.10% | +127+3.4% | Added |
| Mosaic Family Wealth Partners, LLC | 3,817 | $401.8K | 0.04% | +239+6.7% | Added |
| Reyes Financial Architecture, Inc. | 3,820 | $402.1K | 0.24% | +1,210+46.4% | Added |
| Caitlin John, LLC | 3,821 | $402.2K | 0.26% | −875−18.6% | Reduced |
| Covestor Ltd | 3,823 | $403.0K | 0.21% | −1,627−29.9% | Reduced |
| Fiducient Advisors LLC | 3,799 | $403.1K | 0.05% | 00.0% | Unchanged |
| Vista Investment Management | 3,834 | $403.6K | 0.13% | −845−18.1% | Reduced |
| Black Diamond Financial, LLC | 3,836 | $403.7K | 0.04% | −1,115−22.5% | Reduced |
| Baron Wealth Management LLC | 3,840 | $404.2K | 0.12% | +785+25.7% | Added |
| Providence Financial Advisors, LLC | 3,842 | $404.4K | 0.40% | −220−5.4% | Reduced |
| OneAscent Investment Solutions LLC | 3,855 | $405.8K | 0.43% | −651−14.4% | Reduced |
| Intergy Private Wealth, LLC | 3,860 | $406.3K | 0.12% | +511+15.3% | Added |
| Paces Ferry Wealth Advisors, LLC | 3,864 | $406.7K | 0.17% | +20+0.5% | Added |
| Gagnon Securities LLC | 3,867 | $407.0K | 0.08% | −171−4.2% | Reduced |
| London Co of Virginia | 3,869 | $407.3K | 0.00% | −850−18.0% | Reduced |