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 | 3,501 | $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, 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 |
|---|---|---|---|---|---|
| M. Kraus & Co | 10,383 | $871.4K | 0.24% | −1,159−10.0% | Reduced |
| Taylor Hoffman Capital Management LLC | 10,385 | $871.6K | 0.27% | +10.0% | Added |
| Abner Herrman & Brock LLC | 10,395 | $872.0K | 0.09% | +10,395 | New |
| Mechanics Financial Corp | 10,391 | $872.1K | 0.33% | −286−2.7% | Reduced |
| Retirement Guys Formula LLC | 10,406 | $873.4K | 0.31% | −12,445−54.5% | Reduced |
| Manske Wealth Management | 10,412 | $873.9K | 0.27% | +767+8.0% | Added |
| Oxford Asset Management LLP | 10,416 | $874.2K | 0.29% | +10,416 | New |
| Johnson & White Wealth Management, LLC | 10,416 | $874.2K | 0.40% | +589+6.0% | Added |
| Abel Hall, LLC | 10,423 | $874.8K | 0.35% | −47−0.4% | Reduced |
| World Equity Group, Inc. | 10,362 | $875.6K | 0.20% | −1,752−14.5% | Reduced |
| Gratus Wealth Advisors, LLC | 10,438 | $876.1K | 0.12% | −525−4.8% | Reduced |
| Murphy, Middleton, Hinkle & Parker, Inc. | 10,481 | $879.7K | 0.43% | +26+0.2% | Added |
| Pinnacle Holdings, LLC | 10,486 | $880.1K | 0.31% | −48−0.5% | Reduced |
| Apriem Advisors | 10,489 | $880.3K | 0.08% | −215−2.0% | Reduced |
| Coco Enterprises, LLC | 9,949 | $881.4K | 0.47% | +455+4.8% | Added |
| First Dallas Securities Inc. | 10,509 | $882.0K | 0.33% | −1,418−11.9% | Reduced |
| Wealth Effects LLC | 10,514 | $882.4K | 0.28% | −300−2.8% | Reduced |
| Prelude Capital Management, LLC | 10,538 | $884.5K | 0.07% | +5,001+90.3% | Added |
| Payne Capital LLC | 10,540 | $884.6K | 0.90% | +10,540 | New |
| Sage Rhino Capital LLC | 10,554 | $885.8K | 0.17% | +23+0.2% | Added |
| Austin Private Wealth, LLC | 10,567 | $886.9K | 0.07% | +865+8.9% | Added |
| San Luis Wealth Advisors LLC | 10,573 | $887.4K | 0.16% | +1,590+17.7% | Added |
| Clean Yield Group | 10,602 | $889.8K | 0.25% | −38−0.4% | Reduced |
| Hilltop National Bank | 10,615 | $890.9K | 0.22% | −30.0% | Reduced |
| Forza Wealth Management, LLC | 10,643 | $893.3K | 0.34% | +159+1.5% | Added |
| Everstar Asset Management, LLC | 10,661 | $894.8K | 0.51% | +591+5.9% | Added |
| Van Strum & Towne Inc. | 10,668 | $895.4K | 0.26% | 00.0% | Unchanged |
| Highline Wealth Partners LLC | 10,673 | $895.8K | 0.24% | +73+0.7% | Added |
| Alhambra Investment Partners LLC | 10,698 | $897.9K | 0.43% | −178−1.6% | Reduced |
| Cornerstone Advisory, LLC | 10,701 | $898.1K | 0.09% | −2,793−20.7% | Reduced |
| Arista Wealth Management, LLC | 10,706 | $898.5K | 0.11% | −176−1.6% | Reduced |
| Paul Damon & Associates, Inc. | 10,709 | $898.8K | 0.43% | +1,808+20.3% | Added |
| RMR Wealth Builders | 10,743 | $901.7K | 0.08% | −639−5.6% | Reduced |
| Aspetuck Financial Management LLC | 10,749 | $902.2K | 0.62% | +3,100+40.5% | Added |
| Summit Financial Wealth Advisors, LLC | 10,024 | $903.5K | 0.14% | +345+3.6% | Added |
| KG&L Capital Management,LLC | 10,749 | $907.4K | 0.25% | −492−4.4% | Reduced |
| Lavaca Capital LLC | 10,834 | $909.3K | 0.16% | 00.0% | Unchanged |
| Fairtree Asset Management (Pty) Ltd | 10,842 | $910.0K | 0.60% | −3,184−22.7% | Reduced |
| BankPlus Trust Department | 10,857 | $911.2K | 0.24% | +4,826+80.0% | Added |
| Wincap Financial LLC | 10,863 | $911.7K | 0.63% | −160−1.5% | Reduced |
| Nwam LLC | 10,634 | $912.0K | 0.05% | −753−6.6% | Reduced |
| Interchange Capital Partners, LLC | 10,879 | $913.1K | 0.18% | +1,306+13.6% | Added |
| Hudson Valley Investment Advisors Inc | 10,884 | $913.5K | 0.10% | −311−2.8% | Reduced |
| DeDora Capital, Inc. | 10,912 | $915.8K | 0.22% | −112−1.0% | Reduced |
| Spirepoint Private Client, LLC | 10,994 | $922.8K | 0.10% | −64,872−85.5% | Reduced |
| Pegasus Asset Management, Inc. | 10,995 | $922.8K | 0.30% | −1,424−11.5% | Reduced |
| Gryphon Financial Partners LLC | 10,995 | $922.8K | 0.11% | −985−8.2% | Reduced |
| Physicians Financial Services, Inc. | 11,010 | $924.0K | 0.25% | −100−0.9% | Reduced |
| Patron Partners Advisors, LLC | 11,029 | $925.7K | 0.42% | +337+3.2% | Added |
| Knuff & Co LLC | 11,038 | $926.4K | 0.27% | −650−5.6% | Reduced |
| Weaver Capital Management LLC | 11,055 | $927.8K | 0.20% | −1,434−11.5% | Reduced |
| Wolff Financial Management LLC | 11,083 | $930.2K | 0.22% | −14−0.1% | Reduced |
| Regal Investment Advisors LLC | 11,090 | $930.8K | 0.06% | +570+5.4% | Added |
| Pullen Investment Management, LLC | 11,098 | $931.5K | 0.50% | +66+0.6% | Added |
| Absher Wealth Management, LLC | 11,119 | $933.2K | 0.11% | +1,769+18.9% | Added |
| Evernest Financial Advisors, LLC | 11,131 | $934.2K | 0.26% | −549−4.7% | Reduced |
| Meadow Creek Wealth Advisors LLC | 11,157 | $936.3K | 0.62% | −610−5.2% | Reduced |
| Zullo Investment Group, Inc. | 11,158 | $936.6K | 0.35% | +28+0.3% | Added |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 11,173 | $937.8K | 0.22% | +220+2.0% | Added |
| Heartwood Wealth Advisors LLC | 11,193 | $939.4K | 0.09% | +873+8.5% | Added |
| Wall Street Access Asset Management, LLC | 11,235 | $943.0K | 0.24% | +928+9.0% | Added |
| Karani Asset Management LLC | 11,239 | $943.3K | 0.81% | −202−1.8% | Reduced |
| OV Management LLC | 11,239 | $943.3K | 0.80% | +68+0.6% | Added |
| Wealth Alliance | 11,257 | $944.8K | 0.10% | −5,224−31.7% | Reduced |
| Charter Oak Capital Management, LLC | 11,279 | $946.7K | 0.07% | −2,461−17.9% | Reduced |
| VeraBank, N.A. | 11,359 | $953.4K | 0.18% | +211+1.9% | Added |
| Integrity Alliance, LLC. | 11,382 | $955.3K | 0.05% | +2,500+28.1% | Added |
| CRA Financial Services, LLC | 11,428 | $959.2K | 0.13% | −2,048−15.2% | Reduced |
| Root Financial Partners, LLC | 11,434 | $959.6K | 0.06% | +499+4.6% | Added |
| Providence Wealth Advisors, LLC | 11,129 | $968.6K | 0.61% | +215+2.0% | Added |
| Impact Capital Partners LLC | 11,544 | $968.9K | 0.29% | +485+4.4% | Added |
| Intelligence Driven Advisers, LLC | 11,551 | $969.5K | 0.13% | +1,615+16.3% | Added |
| Requisite Capital Management, LLC | 11,550 | $969.6K | 0.16% | +11,550 | New |
| denkapparat Operations GmbH | 11,554 | $969.7K | 0.62% | 00.0% | Unchanged |
| Hunter Associates Investment Management LLC | 11,620 | $974.0K | 0.14% | +176+1.5% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 11,646 | $977.4K | 0.03% | +209+1.8% | Added |
| Loudon Investment Management, LLC | 11,652 | $978.0K | 0.51% | +1,550+15.3% | Added |
| Premier Path Wealth Partners, LLC | 11,691 | $981.3K | 0.13% | +2,527+27.6% | Added |
| Trust Co of the South | 11,717 | $983.4K | 0.16% | −14,016−54.5% | Reduced |
| City Holding Co | 11,752 | $986.3K | 0.12% | −2,009−14.6% | Reduced |
| Abc Arbitrage SA | 11,779 | $988.6K | 0.10% | +11,779 | New |
| Convergence Financial, LLC | 11,787 | $989.3K | 0.15% | +851+7.8% | Added |
| Diligent Investors, LLC | 11,814 | $991.6K | 0.25% | −5,091−30.1% | Reduced |
| North Star Asset Management Inc | 11,842 | $993.9K | 0.04% | −154−1.3% | Reduced |
| Woodward Diversified Capital, LLC | 11,856 | $995.1K | 0.46% | −54−0.5% | Reduced |
| Saxon Interests, Inc. | 11,832 | $995.3K | 0.39% | −8,770−42.6% | Reduced |
| Monument Capital Management | 11,878 | $996.9K | 0.25% | +5,795+95.3% | Added |
| Wealth Management Associates, Inc. | 11,886 | $997.6K | 0.35% | +622+5.5% | Added |
| Catalyst Funds Management Pty Ltd | 11,900 | $998.8K | 0.15% | +7,100+147.9% | Added |
| Sylvest Advisors, LLC | 11,916 | $1.00M | 0.54% | +304+2.6% | Added |
| Pinnbrook Capital Management LP | 11,925 | $1.00M | 0.19% | +11,925 | New |
| Atlantic Edge Private Wealth Management, LLC | 11,933 | $1.00M | 0.26% | +37+0.3% | Added |
| Doheny Asset Management | 11,940 | $1.00M | 0.64% | −200−1.6% | Reduced |
| AdvisorNet Financial, Inc | 11,942 | $1.00M | 0.06% | −2,064−14.7% | Reduced |
| First Financial Corp | 11,942 | $1.00M | 0.39% | −200−1.6% | Reduced |
| Richard W. Paul & Associates, LLC | 11,967 | $1.00M | 0.34% | −289−2.4% | Reduced |
| Cadinha & Co LLC | 11,969 | $1.00M | 0.14% | −1,842−13.3% | Reduced |
| Tanglewood Legacy Advisors, LLC | 11,982 | $1.01M | 0.39% | −141−1.2% | Reduced |
| American Assets Inc | 12,000 | $1.01M | 0.32% | 00.0% | Unchanged |
| Center for Financial Planning, Inc. | 12,012 | $1.01M | 0.11% | +343+2.9% | Added |