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
- 1,380 more added
- Sold out
- 127
- 1,403 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 | 3,502 | $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 |
|---|---|---|---|---|---|
| ORBA Wealth Advisors, L.L.C. | 2,142 | $225.5K | 0.20% | +2,142 | New |
| Capital Investment Management, Inc. | 2,144 | $225.7K | 0.08% | +2,144 | New |
| Spinnaker Investment Group, LLC | 2,146 | $225.9K | 0.04% | +2,146 | New |
| Atom Investors LP | 2,147 | $226.0K | 0.02% | −13,671−86.4% | Reduced |
| Investment Advisory Group, LLC | 2,150 | $226.3K | 0.06% | +2,150 | New |
| TrueWealth Advisors, LLC | 2,151 | $226.4K | 0.06% | +2,151 | New |
| C2C Wealth Management, LLC | 2,153 | $226.6K | 0.19% | +2,153 | New |
| Alchemi Wealth, LLC | 2,155 | $226.9K | 0.12% | +2,155 | New |
| SJS Investment Consulting Inc. | 2,157 | $227.0K | 0.03% | +159+8.0% | Added |
| Centennial Wealth Advisory LLC | 2,158 | $227.2K | 0.06% | +2,158 | New |
| Stone Loft Wealth Management LLC | 2,166 | $228.0K | 0.21% | +2,166 | New |
| Delta Wealth Advisors LLC | 2,169 | $228.3K | 0.19% | +2,169 | New |
| New England Capital Financial Advisors LLC | 2,170 | $228.4K | 0.09% | +14+0.6% | Added |
| Taylor, Cottrill, Erickson & Associates, Inc. | 2,170 | $228.4K | 0.07% | +2,170 | New |
| First National Bank Sioux Falls | 2,170 | $228.4K | 0.07% | +2,170 | New |
| CWS Financial Advisors, LLC | 2,170 | $228.4K | 0.06% | +2,170 | New |
| Blue Capital, Inc. | 2,171 | $228.5K | 0.16% | +2,171 | New |
| IPG Investment Advisors LLC | 2,160 | $228.6K | 0.04% | +2,160 | New |
| Kuhn & Co Investment Counsel | 2,172 | $228.6K | 0.15% | +2,172 | New |
| Prosperity Wealth Management, Inc. | 2,175 | $229.0K | 0.08% | +2,175 | New |
| Pavion Blue Capital, LLC | 2,179 | $229.4K | 0.10% | +2,179 | New |
| Hudson Capital Management LLC | 2,182 | $229.7K | 0.06% | +2,182 | New |
| Hidden Cove Wealth Management, LLC | 2,183 | $229.8K | 0.15% | +2,183 | New |
| Hanlon Investment Management, Inc. | 2,186 | $230.1K | 0.13% | +2,186 | New |
| Meridian Wealth Partners, LLC | 2,188 | $230.3K | 0.03% | −409−15.7% | Reduced |
| Taylor Securities Services, Inc. | 2,190 | $230.5K | 0.11% | +2,190 | New |
| Geometric Wealth Advisors | 2,191 | $230.6K | 0.03% | +2,191 | New |
| Eagle Harbor Asset Management Inc | 2,192 | $230.7K | 0.19% | +2,192 | New |
| Princeton Capital Management LLC | 2,200 | $231.6K | 0.06% | +2,200 | New |
| Motive Wealth Advisors | 2,204 | $232.0K | 0.10% | +2,204 | New |
| Bowen Hanes & Co Inc | 2,204 | $232.0K | 0.01% | +2,204 | New |
| Community Bank of Raymore | 2,205 | $232.1K | 0.16% | −200−8.3% | Reduced |
| Bay Rivers Group | 2,205 | $232.1K | 0.09% | +2,205 | New |
| Thryve Wealth Management LLC | 2,206 | $232.2K | 0.11% | +2,206 | New |
| Golden Reserve Retirement LLC | 2,214 | $233.0K | 0.04% | +2,214 | New |
| Invesco, LLC | 2,214 | $233.0K | 0.08% | +2,214 | New |
| Twin Peaks Wealth Advisors, LLC | 1,983 | $233.3K | 0.07% | +1,983 | New |
| Tempo Wealth, LLC | 2,219 | $233.6K | 0.04% | +2,219 | New |
| Tripletail Wealth Management, LLC | 2,222 | $233.9K | 0.30% | −335−13.1% | Reduced |
| Triad Investment Management | 2,225 | $234.2K | 0.24% | +2,225 | New |
| Montis Financial, LLC | 2,227 | $234.4K | 0.05% | +2,227 | New |
| Vines Capital Management, LLC | 2,229 | $234.6K | 0.23% | +2,229 | New |
| Cherrydale Wealth Management, LLC | 2,230 | $234.7K | 0.07% | +2,230 | New |
| JPL Wealth Management, LLC | 2,231 | $234.8K | 0.06% | −771−25.7% | Reduced |
| Brio Consultants, LLC | 2,238 | $235.6K | 0.03% | +2,238 | New |
| Skyline Advisors, Inc. | 2,243 | $236.1K | 0.08% | +2,243 | New |
| Marin Bay Wealth Advisors, LLC | 2,244 | $236.1K | 0.14% | +2,244 | New |
| BAM Wealth Management, LLC | 2,259 | $237.8K | 0.17% | +2,259 | New |
| Stokes Capital Advisors, LLC | 2,260 | $237.9K | 0.05% | +2,260 | New |
| Emergent Wealth Advisors, LLC | 2,266 | $238.5K | 0.13% | −662−22.6% | Reduced |
| Spectrum Planning & Advisory Services Inc. | 2,267 | $238.6K | 0.12% | +2,267 | New |
| Rocky Mountain Advisers, LLC | 2,267 | $238.6K | 0.07% | 00.0% | Unchanged |
| Financial Connections Group, Inc. | 2,271 | $239.0K | 0.08% | 00.0% | Unchanged |
| Financially in Tune, LLC | 2,271 | $239.0K | 0.22% | +2,271 | New |
| Harbour Trust & Investment Management Co | 2,272 | $239.2K | 0.02% | −1,185−34.3% | Reduced |
| Strategies Wealth Advisors, LLC | 2,272 | $239.2K | 0.02% | +2,272 | New |
| Prism Planning Partners LLC | 2,278 | $239.8K | 0.27% | +2,278 | New |
| Eagle Bluffs Wealth Management LLC | 2,265 | $240.4K | 0.10% | +2,265 | New |
| Northbridge Financial Group, LLC | 2,291 | $241.2K | 0.11% | +2,291 | New |
| JMN Financial LLC | 2,277 | $241.6K | 0.24% | +2,277 | New |
| Integral Investment Advisors, Inc. | 2,303 | $242.4K | 0.06% | +2,303 | New |
| Sand Hill Global Advisors, LLC | 2,304 | $242.5K | 0.01% | +2,304 | New |
| Hutchinson Capital Management | 2,304 | $242.5K | 0.04% | +2,304 | New |
| Evansbrook LLC | 2,309 | $243.0K | 0.16% | +2,309 | New |
| Lantern Wealth Advisors, LLC | 2,310 | $243.3K | 0.13% | −8,699−79.0% | Reduced |
| Legacy Financial Group, Inc. | 2,311 | $243.3K | 0.06% | −355−13.3% | Reduced |
| Reliant Investment Management, LLC | 2,311 | $243.3K | 0.10% | +2,311 | New |
| Latitude Advisors, LLC | 2,316 | $243.8K | 0.11% | +2,316 | New |
| State of Wyoming | 2,317 | $243.9K | 0.03% | +1,517+189.6% | Added |
| Accuvest Global Advisors | 2,322 | $244.0K | 0.18% | −1,132−32.8% | Reduced |
| Walser Wealth Management Company, A Ltd Liability Co | 2,318 | $244.0K | 0.13% | +2,318 | New |
| Tamar Securities, LLC | 2,322 | $244.5K | 0.03% | +2,322 | New |
| Arq Wealth Advisors, LLC | 2,324 | $244.6K | 0.07% | +2,324 | New |
| Private Capital Management, LLC | 2,325 | $244.7K | 0.02% | +2,325 | New |
| Northstar Advisory Group, LLC | 2,328 | $245.0K | 0.09% | −74−3.1% | Reduced |
| Abundance Wealth Counselors | 2,333 | $245.6K | 0.04% | +2,333 | New |
| EdgeRock Capital LLC | 2,333 | $245.6K | 0.07% | +2,333 | New |
| Pointe Capital Management LLC | 2,336 | $245.9K | 0.12% | +2,336 | New |
| Santori & Peters | 2,347 | $247.1K | 0.08% | +2,347 | New |
| Greenup Street Wealth Management LLC | 2,349 | $247.2K | 0.04% | −1,798−43.4% | Reduced |
| Aspen Capital Management, LLC | 2,357 | $248.1K | 0.06% | −54−2.2% | Reduced |
| Holland Advisory Services, Inc. | 2,360 | $248.4K | 0.34% | +2,360 | New |
| Stonehearth Capital Management, LLC | 2,361 | $248.5K | 0.09% | +2,361 | New |
| North Forty Two & Co. | 2,362 | $248.6K | 0.23% | −239−9.2% | Reduced |
| Chickasaw Capital Management LLC | 2,363 | $249.0K | 0.01% | +2,363 | New |
| Wallington Asset Management, LLC | 2,372 | $249.7K | 0.03% | +2,372 | New |
| Charter Capital Management, LLC | 2,375 | $250.0K | 0.13% | −15−0.6% | Reduced |
| Wayfinding Financial, LLC | 2,360 | $250.0K | 0.11% | +2,360 | New |
| Horst & Graben Wealth Management LLC | 2,376 | $250.1K | 0.04% | +2,376 | New |
| Pennington Partners & Co., LLC | 2,358 | $250.2K | 0.10% | +2,358 | New |
| Quad-Cities Investment Group, LLC | 2,382 | $250.7K | 0.10% | +2,382 | New |
| Wealth Advisors of Iowa, LLC | 2,385 | $251.0K | 0.08% | +2,385 | New |
| Safeguard Investment Advisory Group, LLC | 2,388 | $251.4K | 0.06% | +2,388 | New |
| One Wealth Capital Management, LLC | 2,392 | $251.8K | 0.11% | +2,392 | New |
| Hobbs Group Advisors, LLC | 2,394 | $252.0K | 0.08% | +2,394 | New |
| E6 Portfolios, LLC | 2,394 | $252.0K | 0.29% | +2,394 | New |
| Balance Wealth, LLC | 2,399 | $252.5K | 0.08% | +2,399 | New |
| Cooper/Haims Advisors, LLC | 2,400 | $252.6K | 0.11% | 00.0% | Unchanged |
| Cahaba Wealth Management, Inc. | 2,401 | $252.7K | 0.02% | −554−18.7% | Reduced |
| Cohen & Steers, Inc. | 2,400 | $253.0K | 0.00% | 00.0% | Unchanged |