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 |
|---|---|---|---|---|---|
| Pallas Capital Advisors LLC | 71,245 | $7.50M | 0.25% | +4,003+6.0% | Added |
| GF Fund Management Co. Ltd. | 71,054 | $7.48M | 0.13% | +1,846+2.7% | Added |
| Contravisory Investment Management, Inc. | 70,913 | $7.46M | 1.48% | +70,550+19,435.3% | Added |
| Hantz Financial Services, Inc. | 70,523 | $7.42M | 0.11% | −51,357−42.1% | Reduced |
| Lifeworks Advisors, LLC | 70,508 | $7.42M | 0.96% | −20,958−22.9% | Reduced |
| Everence Capital Management Inc | 70,254 | $7.39M | 0.44% | −6,817−8.8% | Reduced |
| Trust Co of Kansas | 70,164 | $7.38M | 3.40% | −8,414−10.7% | Reduced |
| Osmosis Investment Management UK Ltd | 69,140 | $7.33M | 0.18% | +69,140 | New |
| Bonness Enterprises Inc | 69,500 | $7.32M | 2.52% | 00.0% | Unchanged |
| Inlet Private Wealth, LLC | 69,410 | $7.31M | 1.69% | −5,106−6.9% | Reduced |
| Royal Fund Management, LLC | 69,200 | $7.29M | 0.67% | +4,380+6.8% | Added |
| Folger Nolan Fleming Douglas Capital Management, Inc | 69,024 | $7.27M | 0.75% | −289−0.4% | Reduced |
| Consolidated Planning Corp | 68,380 | $7.20M | 0.73% | +64,641+1,728.8% | Added |
| Global X Japan Co., Ltd. | 67,892 | $7.15M | 0.54% | +67,892 | New |
| Plato Investment Management Ltd | 67,529 | $7.14M | 0.47% | −525−0.8% | Reduced |
| Rossmore Private Capital | 67,082 | $7.12M | 0.64% | +4,504+7.2% | Added |
| Marble Harbor Investment Counsel, LLC | 67,506 | $7.11M | 0.76% | −1,257−1.8% | Reduced |
| Securian Asset Management, Inc | 67,491 | $7.10M | 0.27% | −53,138−44.1% | Reduced |
| Valeo Financial Advisors, LLC | 67,396 | $7.09M | 0.16% | −2,833−4.0% | Reduced |
| Voleon Capital Management LP | 67,394 | $7.09M | 0.15% | −210,616−75.8% | Reduced |
| New England Asset Management Inc | 67,325 | $7.09M | 0.93% | +1,775+2.7% | Added |
| Financial Security Advisor, Inc. | 66,555 | $7.06M | 1.37% | +56,937+592.0% | Added |
| MUFG Securities Americas Inc. | 66,866 | $7.04M | 0.44% | −490−0.7% | Reduced |
| Guyasuta Investment Advisors Inc | 66,835 | $7.04M | 0.40% | +5,139+8.3% | Added |
| Anchor Investment Management, LLC | 66,699 | $7.02M | 0.57% | −714−1.1% | Reduced |
| First American Bank | 66,522 | $7.00M | 0.42% | −70.0% | Reduced |
| Sagespring Wealth Partners, LLC | 66,475 | $7.00M | 0.13% | +19,946+42.9% | Added |
| Plimoth Trust Co LLC | 66,414 | $6.99M | 1.56% | +1,384+2.1% | Added |
| Wahed Invest LLC | 66,347 | $6.98M | 0.92% | −2,588−3.8% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 66,309 | $6.98M | 0.45% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 66,145 | $6.96M | 0.01% | −1,068,923−94.2% | Reduced |
| Boston Research & Management Inc | 65,994 | $6.95M | 1.58% | −1,621−2.4% | Reduced |
| Vestmark Advisory Solutions, Inc. | 65,880 | $6.93M | 0.09% | +35,029+113.5% | Added |
| Axxcess Wealth Management, LLC | 66,373 | $6.89M | 0.12% | +851+1.3% | Added |
| Phoenix Holdings Ltd. | 64,806 | $6.87M | 0.07% | +19,745+43.8% | Added |
| SS&H Financial Advisors, Inc. | 65,293 | $6.87M | 2.01% | +12,200+23.0% | Added |
| Skopos Labs, Inc. | 64,444 | $6.87M | 0.32% | +33,317+107.0% | Added |
| Fulton Bank, N.A. | 65,215 | $6.86M | 0.24% | +3,155+5.1% | Added |
| Gamco Investors, Inc. Et Al | 64,973 | $6.84M | 0.07% | +1,915+3.0% | Added |
| Alpha Cubed Investments, LLC | 64,947 | $6.84M | 0.23% | −186−0.3% | Reduced |
| Ameritas Investment Partners, Inc. | 64,829 | $6.82M | 0.21% | −4,529−6.5% | Reduced |
| Mill Capital Management, LLC | 64,423 | $6.78M | 0.49% | −17,999−21.8% | Reduced |
| Sound View Wealth Advisors Group, LLC | 64,281 | $6.77M | 0.45% | +499+0.8% | Added |
| Roberts Wealth Advisors, LLC | 64,244 | $6.76M | 1.76% | −692−1.1% | Reduced |
| Hamilton Capital Partners Inc. | 64,170 | $6.75M | 0.25% | +4,264+7.1% | Added |
| Tritonpoint Wealth, LLC | 63,482 | $6.74M | 0.68% | −22,727−26.4% | Reduced |
| Fluent Financial, LLC | 63,870 | $6.72M | 2.56% | +3,704+6.2% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 63,682 | $6.70M | 0.32% | +83+0.1% | Added |
| Argyle Capital Management Inc. | 63,516 | $6.69M | 2.23% | +3,650+6.1% | Added |
| Platinum Investment Management Ltd | 63,316 | $6.66M | 1.54% | −875,470−93.3% | Reduced |
| Duncker Streett & Co Inc | 63,287 | $6.66M | 1.18% | +33,202+110.4% | Added |
| Capital Counsel LLC | 63,213 | $6.65M | 0.25% | 00.0% | Unchanged |
| PFG Investments, LLC | 63,042 | $6.64M | 0.31% | −267−0.4% | Reduced |
| XML Financial, LLC | 62,981 | $6.63M | 0.54% | −7,034−10.0% | Reduced |
| Atomi Financial Group, Inc. | 62,935 | $6.62M | 0.20% | +23,752+60.6% | Added |
| Jackson Hole Capital Partners, LLC | 62,846 | $6.62M | 1.13% | +117+0.2% | Added |
| Barbara Oil Co. | 62,295 | $6.61M | 2.45% | 00.0% | Unchanged |
| Easterly Investment Partners LLC | 62,793 | $6.61M | 0.41% | −68,750−52.3% | Reduced |
| U.S. Capital Wealth Advisors, LLC | 62,278 | $6.56M | 0.17% | +23,557+60.8% | Added |
| Eliot Finkel Investment Counsel, LLC | 62,260 | $6.55M | 4.01% | −545−0.9% | Reduced |
| First Citizens Bank & Trust Co | 62,045 | $6.53M | 0.14% | +47+0.1% | Added |
| Jessup Wealth Management, Inc | 61,862 | $6.51M | 2.15% | +61,862 | New |
| Financial Sense Advisors, Inc. | 61,776 | $6.50M | 1.21% | +13,799+28.8% | Added |
| apricus wealth, LLC | 61,600 | $6.48M | 3.31% | +1,015+1.7% | Added |
| ICICI Prudential Asset Management Co Ltd | 61,500 | $6.47M | 0.76% | −43,800−41.6% | Reduced |
| Engineers Gate Manager LP | 61,410 | $6.46M | 0.08% | −19,852−24.4% | Reduced |
| Boyer & Corporon Wealth Management, LLC | 61,169 | $6.44M | 1.93% | +607+1.0% | Added |
| Pinkerton Retirement Specialists, LLC | 60,900 | $6.41M | 0.66% | +272+0.4% | Added |
| HBK Sorce Advisory LLC | 52,485 | $6.40M | 0.15% | +3,434+7.0% | Added |
| Evolve Private Wealth, LLC | 60,015 | $6.37M | 0.38% | +60,015 | New |
| Chesley Taft & Associates LLC | 60,485 | $6.37M | 0.25% | +5,213+9.4% | Added |
| Integrated Wealth Concepts LLC | 60,444 | $6.36M | 0.08% | −37,794−38.5% | Reduced |
| Fishman Jay A Ltd | 60,216 | $6.34M | 0.52% | −4,745−7.3% | Reduced |
| Insight Wealth Strategies, LLC | 60,103 | $6.33M | 0.73% | +2,884+5.0% | Added |
| Integrated Advisors Network LLC | 59,766 | $6.29M | 0.28% | +24,522+69.6% | Added |
| IHT Wealth Management, LLC | 59,634 | $6.28M | 0.15% | +9,195+18.2% | Added |
| Resources Management Corp | 59,610 | $6.28M | 0.81% | +468+0.8% | Added |
| Biltmore Family Office, LLC | 58,991 | $6.26M | 0.86% | +59+0.1% | Added |
| GLOBALT Investments LLC | 59,417 | $6.25M | 0.23% | −998−1.7% | Reduced |
| Wealthspire Advisors, LLC | 59,303 | $6.24M | 0.05% | +11,269+23.5% | Added |
| Itau Unibanco Holding S.A. | 58,694 | $6.22M | 0.15% | +58,267+13,645.7% | Added |
| StoneX Group Inc. | 58,303 | $6.19M | 0.27% | +74+0.1% | Added |
| Hudson Value Partners, LLC | 58,337 | $6.18M | 1.84% | −494−0.8% | Reduced |
| Advisors Management Group Inc | 58,625 | $6.17M | 1.12% | −10,482−15.2% | Reduced |
| Hanson & Doremus Investment Management | 58,591 | $6.17M | 0.74% | −10,871−15.7% | Reduced |
| Cutler Capital Management, LLC | 58,532 | $6.16M | 1.84% | +300+0.5% | Added |
| Northwest Bancshares, Inc. | 58,477 | $6.16M | 1.19% | −7,418−11.3% | Reduced |
| Trust Co of Virginia | 58,183 | $6.12M | 0.49% | −193−0.3% | Reduced |
| Ostrum Asset Management | 58,168 | $6.12M | 0.29% | −18,424−24.1% | Reduced |
| Westpac Banking Corp | 58,082 | $6.11M | 0.39% | −63,983−52.4% | Reduced |
| Altrius Capital Management Inc | 58,069 | $6.11M | 1.30% | +342+0.6% | Added |
| Cypress Capital Group | 58,049 | $6.11M | 0.68% | +3,338+6.1% | Added |
| Texas Yale Capital Corp. | 57,808 | $6.08M | 0.18% | +325+0.6% | Added |
| North Star Investment Management Corp. | 57,594 | $6.06M | 0.38% | +419+0.7% | Added |
| Pure Financial Advisors, Inc. | 57,136 | $6.01M | 0.09% | +2,840+5.2% | Added |
| Twin Capital Management Inc | 56,876 | $5.99M | 0.74% | +4,783+9.2% | Added |
| Larson Financial Group LLC | 56,740 | $5.97M | 0.20% | −1,858−3.2% | Reduced |
| Bridges Investment Management Inc | 56,735 | $5.97M | 0.08% | −2,267−3.8% | Reduced |
| Meeder Advisory Services, Inc. | 56,534 | $5.95M | 0.26% | +3,677+7.0% | Added |
| Pinnacle Wealth Management Advisory Group, LLC | 56,488 | $5.95M | 0.41% | +6,438+12.9% | Added |