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 |
|---|---|---|---|---|---|
| Integris Wealth Management, LLC | 2,891 | $242.6K | 0.06% | 00.0% | Unchanged |
| Guardian Partners Inc. | 2,695 | $242.9K | 0.02% | 00.0% | Unchanged |
| Clare Market Investments LLC | 2,905 | $243.8K | 0.05% | −253−8.0% | Reduced |
| Flaharty Asset Management, LLC | 2,906 | $243.9K | 0.03% | +2,906 | New |
| Reik & Co., LLC | 2,914 | $244.6K | 0.06% | 00.0% | Unchanged |
| Bellecapital International Ltd. | 2,915 | $244.7K | 0.04% | +300+11.5% | Added |
| Discipline Wealth Solutions, LLC | 2,917 | $244.8K | 0.06% | +2,917 | New |
| Tilson Financial Group, Inc. | 2,917 | $244.8K | 0.08% | −10.0% | Reduced |
| Cadent Capital Advisors, LLC | 2,918 | $244.9K | 0.06% | +2,918 | New |
| Aire Advisors, LLC | 2,926 | $245.6K | 0.04% | −213−6.8% | Reduced |
| Kaydan Wealth Management, Inc. | 2,927 | $245.7K | 0.07% | +19+0.7% | Added |
| Emergent Wealth Advisors, LLC | 2,928 | $245.8K | 0.14% | +2,928 | New |
| AGH Wealth Advisors, LLC | 2,944 | $247.1K | 0.18% | +10.0% | Added |
| Banque de Luxembourg S.A. | 2,952 | $247.8K | 0.13% | +510+20.9% | Added |
| MQS Management LLC | 2,954 | $247.9K | 0.14% | +2,954 | New |
| First Commonwealth Financial Corp | 2,955 | $248.0K | 0.04% | +189+6.8% | Added |
| Cahaba Wealth Management, Inc. | 2,955 | $248.0K | 0.02% | +158+5.6% | Added |
| Barnes Wealth Management Group, Inc | 2,956 | $248.1K | 0.14% | +86+3.0% | Added |
| Schneider Downs Wealth Management Advisors, LP | 2,961 | $248.5K | 0.03% | +400+15.6% | Added |
| Sonata Capital Group Inc | 2,966 | $249.0K | 0.09% | −1,397−32.0% | Reduced |
| Perkins Coie Trust Co | 2,970 | $249.3K | 0.05% | −2,908−49.5% | Reduced |
| Aspire Private Capital, LLC | 2,977 | $249.9K | 0.05% | −1,085−26.7% | Reduced |
| Prentiss Smith & Co Inc | 2,990 | $251.0K | 0.14% | 00.0% | Unchanged |
| North Capital, Inc. | 2,992 | $251.1K | 0.19% | +10.0% | Added |
| Buckhead Capital Management LLC | 2,997 | $251.6K | 0.09% | −50−1.6% | Reduced |
| Gabelli & Co Investment Advisers, Inc. | 3,000 | $251.8K | 0.04% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 3,002 | $252.0K | 0.06% | +286+10.5% | Added |
| KRS Capital Management, LLC | 3,003 | $252.0K | 0.15% | −73−2.4% | Reduced |
| Cascades Capital Asset Management, LLC | 3,003 | $252.1K | 0.11% | +155+5.4% | Added |
| Partners Wealth Management, LLC | 3,004 | $252.1K | 0.25% | −501−14.3% | Reduced |
| Princeton Global Asset Management LLC | 3,006 | $252.3K | 0.04% | −390−11.5% | Reduced |
| Almanack Investment Partners, LLC. | 3,014 | $253.0K | 0.04% | −15,335−83.6% | Reduced |
| Sterling Financial Planning, Inc. | 3,014 | $253.0K | 0.08% | 00.0% | Unchanged |
| City Center Advisors, LLC | 3,019 | $253.4K | 0.25% | +15+0.5% | Added |
| Hoxton Planning & Management, LLC | 3,020 | $253.5K | 0.08% | +395+15.0% | Added |
| Lorne Steinberg Wealth Management Inc. | 3,023 | $253.7K | 0.06% | +400+15.2% | Added |
| Brighton Securities Corp. | 3,026 | $254.0K | 0.13% | −209−6.5% | Reduced |
| Diametric Capital, LP | 3,026 | $254.0K | 0.09% | −846−21.8% | Reduced |
| Waterford Advisors, LLC | 3,028 | $254.1K | 0.09% | −3,662−54.7% | Reduced |
| Carson Advisory Inc. | 3,033 | $254.6K | 0.14% | −62−2.0% | Reduced |
| TriaGen Wealth Management LLC | 3,037 | $254.9K | 0.07% | −52−1.7% | Reduced |
| Pictet Bank & Trust Ltd | 3,040 | $255.1K | 0.31% | −10,973−78.3% | Reduced |
| D.B. Root & Company, LLC | 3,041 | $255.3K | 0.06% | +224+8.0% | Added |
| Morris Financial Concepts, Inc. | 3,046 | $255.7K | 0.09% | −3−0.1% | Reduced |
| Birch Financial Group, LLC | 3,048 | $255.8K | 0.15% | −742−19.6% | Reduced |
| Patton Fund Management, Inc. | 3,051 | $256.1K | 0.05% | 00.0% | Unchanged |
| Holistic Financial Partners | 3,052 | $256.2K | 0.10% | +477+18.5% | Added |
| MeadowBrook Investment Advisors LLC | 3,053 | $256.2K | 0.22% | 00.0% | Unchanged |
| Baron Wealth Management LLC | 3,055 | $256.4K | 0.08% | +519+20.5% | Added |
| Whelan Financial | 3,061 | $256.9K | 0.08% | +3,061 | New |
| Plante Moran Financial Advisors, LLC | 3,062 | $257.0K | 0.02% | +25+0.8% | Added |
| Powers Advisory Group, LLC | 3,067 | $257.4K | 0.10% | +25+0.8% | Added |
| Paragon Private Wealth Management, LLC | 3,071 | $257.8K | 0.08% | +3,071 | New |
| Liberty Wealth Management LLC | 3,071 | $257.8K | 0.04% | −655−17.6% | Reduced |
| Westside Investment Management, Inc. | 3,049 | $258.4K | 0.04% | +305+11.1% | Added |
| Paragon Financial Partners, Inc. | 3,080 | $258.5K | 0.16% | −10.0% | Reduced |
| Oak Hill Wealth Advisors, LLC | 3,085 | $258.9K | 0.05% | −334−9.8% | Reduced |
| Braun-Bostich & Associates Inc. | 3,095 | $259.8K | 0.16% | +204+7.1% | Added |
| Tandem Investment Advisors, Inc. | 3,101 | $260.0K | 0.01% | +423+15.8% | Added |
| Knollwood Investment Advisory, LLC | 3,100 | $260.2K | 0.02% | 00.0% | Unchanged |
| Colonial River Wealth Management, LLC | 3,103 | $260.4K | 0.10% | −178−5.4% | Reduced |
| Elmwood Wealth Management, Inc. | 3,132 | $262.9K | 0.09% | +525+20.1% | Added |
| Piscataqua Savings Bank | 3,135 | $263.1K | 0.21% | 00.0% | Unchanged |
| Regimen Wealth, LLC | 3,143 | $263.8K | 0.08% | +26+0.8% | Added |
| Objective Capital Management, LLC | 3,143 | $263.8K | 0.27% | 00.0% | Unchanged |
| Opal Wealth Advisors, LLC | 3,146 | $264.0K | 0.07% | −302−8.8% | Reduced |
| Byrne Asset Management LLC | 3,152 | $264.5K | 0.16% | +154+5.1% | Added |
| Milestones Private Investment Advisors LLC | 3,159 | $265.1K | 0.18% | 00.0% | Unchanged |
| Keebeck Alpha, LP | 3,160 | $265.2K | 0.37% | −638−16.8% | Reduced |
| Binnacle Investments Inc | 3,164 | $265.6K | 0.16% | +600+23.4% | Added |
| ORG Wealth Partners, LLC | 3,168 | $265.9K | 0.06% | +2,315+271.4% | Added |
| Flynn Zito Capital Management, LLC | 3,180 | $266.9K | 0.10% | −622−16.4% | Reduced |
| GPS Wealth Strategies Group, LLC | 3,181 | $267.0K | 0.03% | −140−4.2% | Reduced |
| Wellspring Financial Advisors, LLC | 15,168 | $267.1K | 0.02% | −300−1.9% | Reduced |
| Falcon Wealth Planning | 3,182 | $267.1K | 0.02% | +397+14.3% | Added |
| Fortress Financial Group, LLC | 3,190 | $267.7K | 0.21% | +31+1.0% | Added |
| Bolthouse Investments, LLC | 3,202 | $268.7K | 0.24% | 00.0% | Unchanged |
| Hoese & Co LLP | 3,202 | $268.7K | 0.21% | 00.0% | Unchanged |
| Agp Franklin, LLC | 3,203 | $268.8K | 0.13% | 00.0% | Unchanged |
| Wealth Quarterback LLC | 3,210 | $269.4K | 0.10% | +41+1.3% | Added |
| Montz Harcus Wealth Management LLC | 3,216 | $270.0K | 0.12% | +294+10.1% | Added |
| Security Financial Services, INC. | 3,218 | $270.1K | 0.04% | +395+14.0% | Added |
| Gould Asset Management LLC | 3,225 | $270.7K | 0.05% | −200−5.8% | Reduced |
| Bond & Devick Financial Network, Inc. | 3,227 | $270.8K | 0.08% | +500+18.3% | Added |
| Invera Wealth Advisors, LLC | 3,235 | $271.5K | 0.17% | +3,235 | New |
| Harrell Investment Partners, LLC | 3,236 | $271.6K | 0.06% | −524−13.9% | Reduced |
| Verus Financial Partners, Inc. | 3,246 | $272.4K | 0.03% | −223−6.4% | Reduced |
| Schrum Private Wealth Management LLC | 3,248 | $272.5K | 0.20% | +248+8.3% | Added |
| Up Strategic Wealth Investment Advisors LLC | 3,244 | $272.9K | 0.20% | +3,244 | New |
| CMG Global Holdings, LLC | 3,257 | $273.9K | 0.13% | 00.0% | Unchanged |
| VisionPoint Advisory Group, LLC | 3,274 | $274.8K | 0.05% | +219+7.2% | Added |
| L.M. Kohn & Company | 3,276 | $274.9K | 0.33% | −4,383−57.2% | Reduced |
| Gibson Capital, LLC | 3,280 | $275.3K | 0.05% | −7−0.2% | Reduced |
| BKM Wealth Management, LLC | 3,282 | $275.5K | 0.10% | −254−7.2% | Reduced |
| Pathway Financial Advisors LLC | 3,287 | $275.9K | 0.04% | +691+26.6% | Added |
| Garden State Investment Advisory Services LLC | 3,264 | $276.2K | 0.07% | −115−3.4% | Reduced |
| Collective Family Office LLC | 3,291 | $276.2K | 0.07% | −327−9.0% | Reduced |
| Highlander Partners, L.P. | 3,300 | $277.0K | 0.10% | 00.0% | Unchanged |
| Strategic Wealth Partners, Ltd. | 3,302 | $277.2K | 0.02% | −2,868−46.5% | Reduced |
| Revisor Wealth Management LLC | 3,174 | $277.7K | 0.10% | +139+4.6% | Added |