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 |
|---|---|---|---|---|---|
| Signet Financial Management, LLC | 3,900 | $410.5K | 0.05% | −318−7.5% | Reduced |
| Fidelity D & D Bancorp Inc | 3,903 | $410.8K | 0.18% | −386−9.0% | Reduced |
| Howard Wealth Management, LLC | 3,903 | $410.9K | 0.18% | −314−7.4% | Reduced |
| Capital Advisors Wealth Management, LLC | 3,916 | $412.2K | 0.06% | +180+4.8% | Added |
| Oak Asset Management, LLC | 3,925 | $413.1K | 0.14% | 00.0% | Unchanged |
| Kercheville Advisors, LLC | 3,800 | $414.9K | 0.11% | +3,800 | New |
| Verus Financial Partners, Inc. | 3,869 | $415.5K | 0.04% | +623+19.2% | Added |
| Brucke Financial, Inc. | 3,949 | $415.7K | 0.23% | −775−16.4% | Reduced |
| Medallion Wealth Advisors, LLC | 3,949 | $415.7K | 0.14% | −85−2.1% | Reduced |
| TruWealth Advisors, LLC | 3,954 | $416.2K | 0.02% | +126+3.3% | Added |
| New World Advisors LLC | 3,958 | $416.6K | 0.07% | +476+13.7% | Added |
| Z3 Capital Partners, LLC | 3,968 | $417.7K | 0.10% | +3,968 | New |
| Sculati Wealth Management, LLC | 3,973 | $418.2K | 0.15% | −2,052−34.1% | Reduced |
| Parisi Gray Wealth Management | 3,979 | $418.8K | 0.10% | −181−4.4% | Reduced |
| Financial Strategies Group, Inc. | 3,852 | $419.4K | 0.08% | 00.0% | Unchanged |
| Weaver Consulting Group | 3,986 | $419.5K | 0.10% | −105−2.6% | Reduced |
| Financial Council Asset Management Inc | 3,991 | $420.1K | 0.17% | −13−0.3% | Reduced |
| First National Advisers, LLC | 3,996 | $420.6K | 0.06% | −516−11.4% | Reduced |
| OneAscent Family Office, LLC | 4,008 | $421.9K | 0.29% | +658+19.6% | Added |
| Optivise Advisory Services LLC | 4,018 | $422.9K | 0.24% | +1,129+39.1% | Added |
| Aventura Private Wealth, LLC | 4,037 | $425.0K | 0.15% | −380−8.6% | Reduced |
| Crux Wealth Advisors | 4,039 | $425.1K | 0.16% | −574−12.4% | Reduced |
| Family Management Corp | 4,042 | $425.5K | 0.05% | +1,640+68.3% | Added |
| Nelson Capital Management, LLC | 4,045 | $425.8K | 0.05% | −613−13.2% | Reduced |
| Investment Partners Asset Management, Inc. | 4,047 | $426.0K | 0.27% | +5+0.1% | Added |
| McLean Asset Management Corp | 3,841 | $426.4K | 0.08% | +222+6.1% | Added |
| Edge Financial Advisors LLC | 2,042 | $430.0K | 0.18% | +2,042 | New |
| Capital Investment Counsel, Inc | 4,100 | $431.5K | 0.05% | +79+2.0% | Added |
| Lansing Street Advisors | 4,069 | $431.8K | 0.11% | +54+1.3% | Added |
| Vista Investment Partners LLC | 4,106 | $432.2K | 0.11% | +547+15.4% | Added |
| PFS Partners, LLC | 4,107 | $432.3K | 0.20% | +34+0.8% | Added |
| Founders Grove Wealth Partners, LLC | 4,112 | $432.8K | 0.10% | +533+14.9% | Added |
| Intellus Advisors LLC | 4,113 | $432.9K | 0.06% | +332+8.8% | Added |
| Cannon Financial Strategists, Inc. | 4,115 | $433.1K | 0.06% | +449+12.2% | Added |
| Pursuit Wealth Strategies, LLC | 4,116 | $433.2K | 0.61% | +4,116 | New |
| Dale Q Rice Investment Management Ltd | 4,118 | $433.5K | 0.31% | 00.0% | Unchanged |
| Cerro Pacific Wealth Advisors LLC | 4,118 | $433.5K | 0.12% | −25−0.6% | Reduced |
| X-Square Capital, LLC | 4,118 | $434.0K | 0.14% | −89−2.1% | Reduced |
| Game Creek Capital, LP | 4,125 | $434.2K | 0.16% | −250−5.7% | Reduced |
| Elmwood Wealth Management, Inc. | 4,127 | $434.4K | 0.14% | +995+31.8% | Added |
| Signal Advisors Wealth, LLC | 4,129 | $434.6K | 0.03% | +1,651+66.6% | Added |
| Uhlmann Price Securities, LLC | 4,137 | $435.4K | 0.26% | +5+0.1% | Added |
| Alesco Advisors LLC | 4,138 | $435.6K | 0.01% | +9+0.2% | Added |
| American Trust | 4,138 | $435.6K | 0.04% | +4,138 | New |
| Pin Oak Investment Advisors Inc | 3,573 | $436.0K | 0.31% | +2+0.1% | Added |
| Powell Investment Advisors, LLC | 4,109 | $436.0K | 0.15% | 00.0% | Unchanged |
| Syverson Strege & Co | 4,142 | $436.0K | 0.10% | +90+2.2% | Added |
| Hollow Brook Wealth Management LLC | 4,113 | $436.4K | 0.11% | −1,122−21.4% | Reduced |
| Retirement Planning Group, LLC | 4,114 | $436.5K | 0.30% | +218+5.6% | Added |
| Greenline Partners, LLC | 4,153 | $437.1K | 0.05% | +1,328+47.0% | Added |
| Bruce G. Allen Investments, LLC | 4,158 | $437.7K | 0.30% | +291+7.5% | Added |
| BlackDiamond Wealth Management Inc. | 3,725 | $438.2K | 0.21% | +215+6.1% | Added |
| Bravias Capital Group, LLC | 4,164 | $438.3K | 0.27% | −474−10.2% | Reduced |
| Schubert & Co | 4,170 | $438.9K | 0.35% | +302+7.8% | Added |
| Baron Silver Stevens Financial Advisors, LLC | 4,170 | $438.9K | 0.06% | −36−0.9% | Reduced |
| Park Edge Advisors, LLC | 4,178 | $439.8K | 0.10% | −50−1.2% | Reduced |
| Tranquility Partners, LLC | 4,179 | $439.9K | 0.16% | −1,003−19.4% | Reduced |
| TMB Capital Partners, LLC | 4,187 | $440.7K | 0.15% | +4,187 | New |
| Beacon Capital Management, LLC | 4,200 | $442.1K | 0.07% | −65−1.5% | Reduced |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 4,209 | $443.1K | 0.15% | +3,396+417.7% | Added |
| Watershed Asset Management, L.L.C. | 4,214 | $443.6K | 0.41% | +4,214 | New |
| Coppell Advisory Solutions LLC | 4,188 | $444.2K | 0.04% | +4,188 | New |
| Human Investing LLC | 4,221 | $444.3K | 0.06% | +217+5.4% | Added |
| Salvus Wealth Management, LLC | 4,221 | $444.4K | 0.25% | +205+5.1% | Added |
| Noble Family Wealth, LLC | 4,226 | $444.8K | 0.09% | −50−1.2% | Reduced |
| Johnson Bixby & Associates, LLC | 4,231 | $445.4K | 0.06% | −177−4.0% | Reduced |
| Stonebrook Private Inc. | 4,236 | $445.8K | 0.09% | +247+6.2% | Added |
| WBI Investments | 4,240 | $446.3K | 0.12% | +4,240 | New |
| Elyxium Wealth, LLC | 4,240 | $446.3K | 0.12% | +228+5.7% | Added |
| One Day In July LLC | 4,251 | $447.5K | 0.04% | +936+28.2% | Added |
| Sovran Advisors, LLC | 4,041 | $448.4K | 0.04% | −401−9.0% | Reduced |
| Smith Shellnut Wilson LLC | 4,267 | $449.1K | 0.17% | +750+21.3% | Added |
| Greater Midwest Financial Group, LLC | 4,275 | $450.0K | 0.25% | −79−1.8% | Reduced |
| Valicenti Advisory Services Inc | 4,272 | $450.0K | 0.09% | −15−0.3% | Reduced |
| Atlas Legacy Advisors, LLC | 4,234 | $450.3K | 0.08% | +639+17.8% | Added |
| Bravera Wealth | 4,285 | $451.0K | 0.23% | +4,285 | New |
| Pursuit Wealth Management LLC | 4,286 | $451.1K | 0.39% | +4,286 | New |
| Uniting Wealth Partners, LLC | 4,257 | $451.7K | 0.14% | +297+7.5% | Added |
| Armbruster Capital Management, Inc. | 4,292 | $451.8K | 0.08% | 00.0% | Unchanged |
| Bullock Wealth Management Group | 4,299 | $452.5K | 0.22% | −10.0% | Reduced |
| Potentia Wealth | 4,305 | $453.1K | 0.17% | −125−2.8% | Reduced |
| Houlihan Financial Resource Group, Ltd. | 4,227 | $453.3K | 0.17% | +4,227 | New |
| Synergy Financial Management, LLC | 4,312 | $453.9K | 0.05% | −81,494−95.0% | Reduced |
| Gentry Private Wealth, LLC | 4,325 | $455.3K | 0.29% | −847−16.4% | Reduced |
| WealthPoint Financial, LLC | 4,329 | $455.7K | 0.40% | +4,329 | New |
| Mayfair Advisory Group, LLC | 4,281 | $455.7K | 0.18% | −20.0% | Reduced |
| Destination Wealth Management | 4,334 | $456.2K | 0.01% | −1,789−29.2% | Reduced |
| Baltimore-Washington Financial Advisors, Inc. | 4,340 | $456.8K | 0.02% | +209+5.1% | Added |
| Triumph Capital Management | 4,340 | $456.8K | 0.10% | +768+21.5% | Added |
| Millennium Capital Advisors, LLC | 4,350 | $457.9K | 0.27% | +200+4.8% | Added |
| Moseley Investment Management Inc | 4,355 | $458.4K | 0.14% | −510−10.5% | Reduced |
| Missouri Trust & Investment Co | 4,360 | $458.9K | 0.13% | −157−3.5% | Reduced |
| Falcon Wealth Planning | 4,361 | $459.0K | 0.04% | +1,179+37.1% | Added |
| Joule Financial, LLC | 4,327 | $459.1K | 0.14% | +150+3.6% | Added |
| Wealth Advisory Solutions, LLC | 4,364 | $459.4K | 0.11% | +4,364 | New |
| Summit Wealth Group, LLC | 4,366 | $459.6K | 0.11% | +441+11.2% | Added |
| Hills Bank & Trust Co | 4,373 | $460.3K | 0.03% | +1,584+56.8% | Added |
| Chemistry Wealth Management LLC | 4,381 | $461.2K | 0.09% | +4+0.1% | Added |
| Tudor Financial Inc. | 4,381 | $461.2K | 0.24% | +679+18.3% | Added |
| UMA Financial Services, Inc. | 4,383 | $461.4K | 0.06% | −207−4.5% | Reduced |