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 |
|---|---|---|---|---|---|
| San Luis Wealth Advisors LLC | 11,598 | $1.22M | 0.20% | +1,025+9.7% | Added |
| China Universal Asset Management Co., Ltd. | 11,512 | $1.22M | 0.09% | −19,894−63.3% | Reduced |
| Elevate Capital Advisors, LLC | 11,633 | $1.22M | 0.81% | +2,988+34.6% | Added |
| Frec Markets, Inc. | 11,634 | $1.22M | 0.36% | +11,634 | New |
| Hunter Associates Investment Management LLC | 11,655 | $1.23M | 0.16% | +35+0.3% | Added |
| MidFirst Bank | 11,638 | $1.23M | 0.10% | +11,638 | New |
| VeraBank, N.A. | 11,641 | $1.23M | 0.22% | +282+2.5% | Added |
| Strategic Blueprint, LLC | 11,644 | $1.23M | 0.07% | +2,869+32.7% | Added |
| Verdad Advisers, LP | 11,646 | $1.23M | 1.40% | +11,646 | New |
| Aureus Asset Management, LLC | 11,688 | $1.23M | 0.08% | +1,414+13.8% | Added |
| Gryphon Financial Partners LLC | 11,725 | $1.23M | 0.13% | +730+6.6% | Added |
| Barnes Pettey Financial Advisors, LLC | 11,748 | $1.24M | 0.61% | −724−5.8% | Reduced |
| CSM Advisors, LLC | 11,780 | $1.24M | 0.03% | −10,975−48.2% | Reduced |
| Convergence Financial, LLC | 11,781 | $1.24M | 0.18% | −6−0.1% | Reduced |
| Hamilton Point Investment Advisors, LLC | 11,687 | $1.24M | 0.19% | +1,537+15.1% | Added |
| Accredited Investors Inc. | 11,804 | $1.24M | 0.07% | +1,946+19.7% | Added |
| Nia Impact Advisors, LLC | 11,816 | $1.24M | 0.42% | −279−2.3% | Reduced |
| Sylvest Advisors, LLC | 11,827 | $1.24M | 0.66% | −89−0.7% | Reduced |
| Banco de Sabadell, S.A | 11,836 | $1.25M | 0.81% | −219−1.8% | Reduced |
| Bright Futures Wealth Management, LLC. | 11,830 | $1.25M | 0.92% | +6,202+110.2% | Added |
| Widmann Financial Services, Inc. | 11,831 | $1.25M | 0.76% | −215−1.8% | Reduced |
| First Financial Corp | 11,842 | $1.25M | 0.47% | −100−0.8% | Reduced |
| Absher Wealth Management, LLC | 11,872 | $1.25M | 0.15% | +753+6.8% | Added |
| Manske Wealth Management | 11,873 | $1.25M | 0.37% | +1,461+14.0% | Added |
| DGS Capital Management, LLC | 11,900 | $1.25M | 0.21% | −623−5.0% | Reduced |
| Elgethun Capital Management | 11,901 | $1.25M | 0.22% | +35+0.3% | Added |
| Doheny Asset Management | 11,940 | $1.26M | 0.77% | 00.0% | Unchanged |
| North Dallas Bank & Trust Co | 11,958 | $1.26M | 0.82% | +11,958 | New |
| LVM Capital Management Ltd | 11,977 | $1.26M | 0.12% | −215−1.8% | Reduced |
| Winthrop Capital Management, LLC | 11,989 | $1.26M | 0.29% | −1,720−12.5% | Reduced |
| Breakwater Capital Group | 11,990 | $1.26M | 0.18% | −199−1.6% | Reduced |
| Evernest Financial Advisors, LLC | 10,741 | $1.26M | 0.26% | −390−3.5% | Reduced |
| RMR Wealth Builders | 12,010 | $1.26M | 0.10% | +1,267+11.8% | Added |
| MidWestOne Financial Group, Inc. | 12,019 | $1.27M | 0.14% | −247−2.0% | Reduced |
| Wimmer Associates 1, LLC | 12,025 | $1.27M | 0.59% | −108−0.9% | Reduced |
| Claro Advisors LLC | 12,042 | $1.27M | 0.17% | −422−3.4% | Reduced |
| Harbor Investment Advisory, LLC | 12,087 | $1.27M | 0.10% | −1,509−11.1% | Reduced |
| MB, Levis & Associates, LLC | 12,091 | $1.27M | 0.54% | −379−3.0% | Reduced |
| CoreCap Advisors, LLC | 12,092 | $1.27M | 0.04% | −512−4.1% | Reduced |
| Gibson Wealth Advisors LLC | 12,105 | $1.27M | 0.87% | 00.0% | Unchanged |
| Center for Financial Planning, Inc. | 12,110 | $1.27M | 0.13% | +98+0.8% | Added |
| Capital Planning Advisors, LLC | 12,129 | $1.28M | 0.17% | +5,570+84.9% | Added |
| Tanglewood Legacy Advisors, LLC | 12,132 | $1.28M | 0.48% | +150+1.3% | Added |
| Paul Damon & Associates, Inc. | 12,141 | $1.28M | 0.57% | +1,432+13.4% | Added |
| Portland Global Advisors LLC | 12,158 | $1.28M | 0.14% | −175−1.4% | Reduced |
| Richard W. Paul & Associates, LLC | 12,160 | $1.28M | 0.42% | +193+1.6% | Added |
| Opinicus Capital, Inc. | 12,172 | $1.28M | 0.89% | −642−5.0% | Reduced |
| Financial Advisory Corp | 12,202 | $1.28M | 0.34% | +5,829+91.5% | Added |
| Godshalk Welsh Capital Management, Inc. | 12,205 | $1.28M | 0.74% | −150−1.2% | Reduced |
| Root Financial Partners, LLC | 12,223 | $1.29M | 0.07% | +789+6.9% | Added |
| Heartwood Wealth Advisors LLC | 12,225 | $1.29M | 0.12% | +1,032+9.2% | Added |
| Atlantic Edge Private Wealth Management, LLC | 12,242 | $1.29M | 0.32% | +309+2.6% | Added |
| Schulhoff & Co Inc | 12,263 | $1.29M | 0.54% | 00.0% | Unchanged |
| Archford Capital Strategies, LLC | 12,269 | $1.29M | 0.15% | −92−0.7% | Reduced |
| Bank Hapoalim BM | 12,284 | $1.29M | 0.11% | +30+0.2% | Added |
| Stone Point Wealth LLC | 12,286 | $1.29M | 0.35% | +2,460+25.0% | Added |
| Delta Asset Management LLC | 12,288 | $1.29M | 0.11% | −640−5.0% | Reduced |
| Dynasty Wealth Management, LLC | 12,291 | $1.29M | 0.01% | +143+1.2% | Added |
| AssuredPartners Investment Advisors, LLC | 12,332 | $1.30M | 0.19% | +7,701+166.3% | Added |
| Focus Financial Network, Inc. | 12,344 | $1.30M | 0.05% | −102−0.8% | Reduced |
| MBL Wealth, LLC | 12,356 | $1.30M | 0.10% | +5,316+75.5% | Added |
| Linden Thomas Advisory Services, LLC | 12,383 | $1.30M | 0.13% | +222+1.8% | Added |
| Hilltop Partners LLC | 12,454 | $1.31M | 0.34% | −592−4.5% | Reduced |
| Severin Investments, LLC | 12,463 | $1.31M | 1.16% | −50.0% | Reduced |
| Platform Technology Partners | 12,487 | $1.31M | 0.28% | −353−2.7% | Reduced |
| MONECO Advisors, LLC | 12,489 | $1.31M | 0.10% | +186+1.5% | Added |
| Summit Wealth Partners, LLC | 12,490 | $1.31M | 0.24% | +10.0% | Added |
| New Republic Capital, LLC | 12,413 | $1.32M | 0.35% | +6,192+99.5% | Added |
| Quadcap Wealth Management, LLC | 12,510 | $1.32M | 0.15% | +20.0% | Added |
| Avalon Trust Co | 12,550 | $1.32M | 0.09% | −5,750−31.4% | Reduced |
| Affinity Investment Advisors, LLC | 12,560 | $1.32M | 0.88% | −165−1.3% | Reduced |
| Alan B. Lancz & Associates, Inc. | 12,573 | $1.32M | 1.16% | 00.0% | Unchanged |
| Adell Harriman & Carpenter Inc | 12,612 | $1.33M | 0.08% | −1,665−11.7% | Reduced |
| Keudell/Morrison Wealth Management | 12,657 | $1.33M | 0.28% | +12,657 | New |
| Plancorp, LLC | 12,670 | $1.33M | 0.04% | −253−2.0% | Reduced |
| Souders Financial Advisors | 12,677 | $1.33M | 0.15% | +3,559+39.0% | Added |
| Van Hulzen Asset Management, LLC | 12,682 | $1.33M | 0.10% | −781−5.8% | Reduced |
| Renasant Bank | 12,686 | $1.34M | 0.91% | −1,456−10.3% | Reduced |
| Kiley Juergens Wealth Management, LLC | 12,720 | $1.34M | 0.29% | −87−0.7% | Reduced |
| Hardman Johnston Global Advisors LLC | 12,750 | $1.34M | 0.06% | 00.0% | Unchanged |
| Sterling Investment Counsel, LLC | 12,898 | $1.34M | 0.38% | +3,636+39.3% | Added |
| Trustmark National Bank Trust Department | 12,795 | $1.35M | 0.09% | −1,154−8.3% | Reduced |
| Loudon Investment Management, LLC | 12,803 | $1.35M | 0.70% | +1,151+9.9% | Added |
| Symmetry Partners, LLC | 12,809 | $1.35M | 0.08% | +9,406+276.4% | Added |
| Indivisible Partners | 12,823 | $1.35M | 0.15% | +12,823 | New |
| McGlone Suttner Wealth Management, Inc. | 12,867 | $1.35M | 0.18% | −1,672−11.5% | Reduced |
| Cape Ann Savings Bank | 12,874 | $1.36M | 0.70% | +45+0.4% | Added |
| Pingora Partners LLC | 12,879 | $1.36M | 0.83% | −100−0.8% | Reduced |
| Redwood Wealth Management Group, LLC | 12,901 | $1.36M | 0.57% | −228−1.7% | Reduced |
| Zuckerman Investment Group, LLC | 12,908 | $1.36M | 0.12% | −10,862−45.7% | Reduced |
| Bill Few Associates, Inc. | 12,921 | $1.36M | 0.33% | −17−0.1% | Reduced |
| Cape Cod Five Cents Savings Bank | 12,031 | $1.37M | 0.13% | 00.0% | Unchanged |
| Dover Advisors, LLC | 12,880 | $1.37M | 0.53% | −235−1.8% | Reduced |
| JGP Wealth Management, LLC | 13,040 | $1.37M | 0.14% | +188+1.5% | Added |
| Isthmus Partners, LLC | 13,053 | $1.37M | 0.15% | 00.0% | Unchanged |
| Hall Laurie J Trustee | 13,054 | $1.37M | 0.46% | −2,701−17.1% | Reduced |
| Roof Eidam & Maycock | 13,075 | $1.38M | 0.31% | +13,075 | New |
| Alpine Bank Wealth Management | 13,096 | $1.38M | 0.20% | +122+0.9% | Added |
| Capital Square, LLC | 13,098 | $1.38M | 0.70% | −40−0.3% | Reduced |
| QTR Family Wealth, LLC | 11,780 | $1.38M | 0.61% | +1,501+14.6% | Added |