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
- 1,379 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 | 3,812 | $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 | 3,501 | $221.8B |
| Q2 2024 | 3,557 | $242.3B |
| Q1 2024 | 3,546 | $256.9B |
| Q4 2023 | 3,443 | $211.6B |
| Q3 2023 | 3,221 | $197.7B |
| Q2 2023 | 3,261 | $222.8B |
| Q1 2023 | 3,187 | $205.1B |
| Q4 2022 | 3,243 | $212.2B |
| Q3 2022 | 2,996 | $162.7B |
| Q2 2022 | 3,019 | $171.5B |
| Q1 2022 | 2,961 | $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 |
|---|---|---|---|---|---|
| Argentarii, LLC | 7,927 | $834.4K | 0.28% | −1,796−18.5% | Reduced |
| Armstrong, Fleming & Moore, Inc | 7,938 | $835.6K | 0.39% | 00.0% | Unchanged |
| Builder Investment Group Inc | 7,955 | $837.4K | 0.18% | +6+0.1% | Added |
| Professional Advisory Services Inc | 7,972 | $839.0K | 0.11% | 00.0% | Unchanged |
| Hartford Funds Management Co LLC | 7,969 | $839.0K | 0.07% | +259+3.4% | Added |
| SmartHarvest Portfolios, LLC | 7,991 | $841.2K | 0.29% | +7,991 | New |
| Drive Wealth Management, LLC | 7,929 | $841.6K | 0.16% | +2,550+47.4% | Added |
| Amussen Hunsaker Associates LLC | 7,997 | $841.8K | 0.09% | +23+0.3% | Added |
| Diversify Wealth Management, LLC | 7,777 | $842.0K | 0.04% | −5,954−43.4% | Reduced |
| Orion Capital Management LLC | 8,010 | $843.1K | 0.28% | +20+0.3% | Added |
| Beaumont Asset Management, L.L.C. | 8,017 | $843.9K | 0.42% | −13−0.2% | Reduced |
| Burns J W & Co Inc | 8,020 | $844.1K | 0.09% | −185−2.3% | Reduced |
| Cornell Pochily Investment Advisors, Inc. | 8,030 | $845.2K | 0.24% | −115−1.4% | Reduced |
| Heartland Bank & Trust Co | 8,042 | $846.5K | 0.36% | −149−1.8% | Reduced |
| Staley Capital Advisers Inc | 8,045 | $846.8K | 0.03% | 00.0% | Unchanged |
| Verus Capital Partners, LLC | 8,049 | $847.2K | 0.06% | −778−8.8% | Reduced |
| Greenwich Wealth Management LLC | 8,058 | $848.0K | 0.04% | −279−3.3% | Reduced |
| Basecamp Wealth Advisors LLC | 8,066 | $849.1K | 0.18% | +8,066 | New |
| OneAscent Financial Services LLC | 8,088 | $851.4K | 0.08% | −7,066−46.6% | Reduced |
| SBI Okasan Asset Management Co.Ltd. | 8,000 | $853.0K | 0.05% | +8,000 | New |
| Ames National Corp | 8,104 | $853.0K | 0.50% | −1,210−13.0% | Reduced |
| Smithbridge Asset Management Inc | 8,114 | $854.1K | 0.07% | +8,114 | New |
| Optas, LLC | 8,117 | $854.4K | 0.13% | +2,124+35.4% | Added |
| Farmers & Merchants Trust Co of Long Beach | 8,120 | $854.7K | 0.20% | −4,880−37.5% | Reduced |
| Aurdan Capital Management, LLC | 8,121 | $854.8K | 0.26% | 00.0% | Unchanged |
| First Fiduciary Investment Counsel, Inc. | 8,118 | $855.0K | 0.17% | 00.0% | Unchanged |
| Stanley-Laman Group, Ltd. | 8,131 | $855.9K | 0.11% | +5,413+199.2% | Added |
| Eagle Wealth Strategies LLC | 8,146 | $857.5K | 0.40% | +2,200+37.0% | Added |
| Legacy Advisors, LLC | 8,091 | $858.5K | 0.09% | +801+11.0% | Added |
| Barton Investment Management | 8,158 | $858.7K | 0.09% | 00.0% | Unchanged |
| CFM Wealth Partners LLC | 8,171 | $860.1K | 0.12% | −600−6.8% | Reduced |
| Cim Investment Mangement Inc | 8,177 | $860.7K | 0.23% | 00.0% | Unchanged |
| Duncan Williams Asset Management, LLC | 7,274 | $860.7K | 0.21% | −42−0.6% | Reduced |
| Ethos Financial Group, LLC | 8,128 | $862.6K | 0.06% | +1,664+25.7% | Added |
| Wealth Alliance Advisory Group, LLC | 8,201 | $863.2K | 0.15% | +135+1.7% | Added |
| Wilkinson Global Asset Management LLC | 8,205 | $863.7K | 0.06% | −17,500−68.1% | Reduced |
| Everpar Advisors LLC | 8,227 | $866.0K | 0.32% | −1,697−17.1% | Reduced |
| Crescent Grove Advisors, LLC | 8,180 | $868.0K | 0.08% | −1,276−13.5% | Reduced |
| Quent Capital, LLC | 8,257 | $869.1K | 0.06% | +667+8.8% | Added |
| McRae Capital Management Inc | 8,269 | $870.4K | 0.18% | −289−3.4% | Reduced |
| Hudson Valley Investment Advisors Inc | 8,275 | $871.0K | 0.10% | −2,609−24.0% | Reduced |
| Berger Financial Group, Inc | 8,290 | $872.6K | 0.05% | −30−0.4% | Reduced |
| GenTrust, LLC | 8,230 | $873.3K | 0.04% | +3,223+64.4% | Added |
| Sym Financial Corp | 8,297 | $873.3K | 0.09% | −622−7.0% | Reduced |
| Versant Capital Management, Inc | 8,323 | $876.1K | 0.11% | +1,851+28.6% | Added |
| Cypress Capital Advisors, LLC | 8,331 | $876.9K | 0.47% | −839−9.1% | Reduced |
| Wakefield Asset Management LLLP | 8,331 | $876.9K | 0.24% | −238−2.8% | Reduced |
| Cassaday & Co Wealth Management LLC | 8,337 | $877.6K | 0.02% | +348+4.4% | Added |
| Virtus Family Office LLC | 8,275 | $878.1K | 0.76% | +8,275 | New |
| Mach-1 Financial Group, Inc. | 8,343 | $878.3K | 0.18% | +8,343 | New |
| YHB Investment Advisors, Inc. | 8,348 | $878.7K | 0.06% | −215−2.5% | Reduced |
| InvesTrust | 8,361 | $880.1K | 0.34% | −699−7.7% | Reduced |
| Advisor Resource Council | 7,778 | $881.8K | 0.31% | +7,778 | New |
| Constitution Capital LLC | 8,380 | $882.1K | 0.42% | +3,330+65.9% | Added |
| Renaissance Investment Group LLC | 8,388 | $882.9K | 0.18% | +90+1.1% | Added |
| Eubel Brady & Suttman Asset Management Inc | 8,384 | $883.0K | 0.10% | −8−0.1% | Reduced |
| Magnolia Capital Management Ltd | 8,400 | $884.0K | 0.66% | 00.0% | Unchanged |
| COFG Advisors, LLC | 8,409 | $885.1K | 0.22% | +8,409 | New |
| Meiji Yasuda Life Insurance Co | 8,443 | $888.7K | 0.03% | +700+9.0% | Added |
| ProVise Management Group, LLC | 8,457 | $890.2K | 0.06% | +1,526+22.0% | Added |
| Financial Engines Advisors L.L.C. | 8,460 | $890.5K | 0.00% | −1,323−13.5% | Reduced |
| Generation Capital Management LLC | 8,471 | $891.7K | 0.58% | 00.0% | Unchanged |
| Capital Advantage, Inc. | 8,473 | $891.9K | 0.12% | +319+3.9% | Added |
| Lakeshore Capital Group, Inc. | 8,485 | $893.1K | 0.71% | +249+3.0% | Added |
| VisionPoint Advisory Group, LLC | 8,495 | $894.2K | 0.17% | +5,221+159.5% | Added |
| Matrix Private Capital Group LLC | 8,445 | $896.0K | 0.45% | +601+7.7% | Added |
| Northcape Wealth Management, LLC | 8,536 | $898.5K | 0.25% | +735+9.4% | Added |
| Winthrop Advisory Group LLC | 8,477 | $900.9K | 0.08% | −48−0.6% | Reduced |
| Kapstone Financial Advisors LLC | 8,575 | $902.6K | 0.45% | +120+1.4% | Added |
| BBR Partners, LLC | 8,583 | $903.4K | 0.05% | −76−0.9% | Reduced |
| Englebert Financial Advisers, LLC | 8,583 | $903.4K | 1.04% | +8,583 | New |
| Weinberger Asset Management, Inc | 8,595 | $904.7K | 0.33% | +25+0.3% | Added |
| Intrua Financial, LLC | 8,604 | $905.6K | 0.10% | +96+1.1% | Added |
| Charles Schwab Trust Co | 8,614 | $906.7K | 0.06% | −226−2.6% | Reduced |
| Somerset Trust Co | 8,617 | $907.0K | 0.28% | +368+4.5% | Added |
| J. R. Prunier Capital Management LLC | 8,619 | $907.2K | 0.38% | +8,619 | New |
| Old North State Trust, LLC | 8,629 | $908.0K | 0.54% | −293−3.3% | Reduced |
| Great Diamond Partners, LLC | 8,630 | $908.4K | 0.17% | −629−6.8% | Reduced |
| Diversified Management Inc | 8,638 | $909.3K | 0.21% | +8,638 | New |
| Obermeyer Wood Investment Counsel, LLLP | 8,668 | $912.4K | 0.04% | −161−1.8% | Reduced |
| Sweeney & Michel, LLC | 7,659 | $913.7K | 0.27% | +555+7.8% | Added |
| General Partner, Inc. | 8,686 | $914.3K | 0.52% | 00.0% | Unchanged |
| Financial Consulate, Inc | 8,703 | $916.1K | 0.13% | −164−1.8% | Reduced |
| Roman Butler Fullerton & Co | 8,397 | $916.8K | 0.24% | −83−1.0% | Reduced |
| Chesapeake Capital Corp | 8,710 | $916.8K | 0.77% | +8,710 | New |
| Aegis Wealth Management, Inc. | 8,711 | $916.9K | 0.72% | +8,711 | New |
| Verity Asset Management, Inc. | 8,726 | $918.5K | 0.39% | +187+2.2% | Added |
| Annis Gardner Whiting Capital Advisors, LLC | 8,708 | $919.4K | 0.17% | +3,344+62.3% | Added |
| TCI Wealth Advisors, Inc. | 8,745 | $920.5K | 0.05% | −745−7.9% | Reduced |
| Perkins Capital Management Inc | 8,750 | $921.0K | 0.73% | 00.0% | Unchanged |
| Strategic Advisors LLC | 8,752 | $921.3K | 0.14% | +302+3.6% | Added |
| Papp L Roy & Associates | 8,774 | $923.5K | 0.10% | +428+5.1% | Added |
| Athena Investment Management | 8,777 | $923.9K | 0.47% | +130+1.5% | Added |
| Reliant Investment Partners, LLC | 8,784 | $924.6K | 0.73% | +9+0.1% | Added |
| Orca Wealth Management, LLC | 7,912 | $925.0K | 0.66% | +8+0.1% | Added |
| First Business Financial Services, Inc. | 8,804 | $926.7K | 0.09% | −20−0.2% | Reduced |
| Anchyra Partners LLC | 8,807 | $927.0K | 0.28% | +8,807 | New |
| Hikari Tsushin, Inc. | 8,812 | $927.6K | 0.06% | 00.0% | Unchanged |
| Colonial Trust Advisors | 8,818 | $928.2K | 0.07% | −35−0.4% | Reduced |
| Mine & Arao Wealth Creation & Management, LLC. | 8,828 | $929.2K | 0.36% | +31+0.4% | Added |