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 | 3,501 | $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, 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 |
|---|---|---|---|---|---|
| Deseret Mutual Benefit Administrators | 17,996 | $1.51M | 0.64% | +2,500+16.1% | Added |
| Quest Investment Management LLC | 18,000 | $1.51M | 0.16% | 00.0% | Unchanged |
| Kennebec Savings Bank | 18,041 | $1.51M | 1.38% | +900+5.3% | Added |
| Blue Edge Capital, LLC | 18,054 | $1.52M | 0.22% | 00.0% | Unchanged |
| First American Trust, FSB | 18,143 | $1.52M | 0.11% | +12,478+220.3% | Added |
| Investors Asset Management of Georgia Inc | 18,170 | $1.53M | 0.65% | +379+2.1% | Added |
| Ramsay, Stattman, Vela & Price, Inc. | 18,181 | $1.53M | 0.27% | −4,428−19.6% | Reduced |
| Peak Asset Management, LLC | 18,245 | $1.53M | 0.27% | −825−4.3% | Reduced |
| Asahi Life Asset Management Co., Ltd. | 18,260 | $1.53M | 0.85% | +246+1.4% | Added |
| Independent Solutions Wealth Management, LLC | 18,276 | $1.53M | 0.27% | +36+0.2% | Added |
| Orca Investment Management, LLC | 18,287 | $1.53M | 1.26% | −179−1.0% | Reduced |
| Essential Partners LLC | 18,290 | $1.54M | 0.51% | +9,289+103.2% | Added |
| Avalon Trust Co | 18,300 | $1.54M | 0.10% | −501−2.7% | Reduced |
| Fruth Investment Management | 18,337 | $1.54M | 0.42% | −900−4.7% | Reduced |
| L & S Advisors Inc | 18,398 | $1.54M | 0.15% | −288−1.5% | Reduced |
| Gillespie Robinson & Grimm Inc | 18,402 | $1.54M | 0.11% | 00.0% | Unchanged |
| Somerville Kurt F | 18,406 | $1.54M | 0.26% | −550−2.9% | Reduced |
| Foundations Investment Advisors, LLC | 18,426 | $1.55M | 0.02% | −8,405−31.3% | Reduced |
| Diamant Asset Management, Inc. | 18,512 | $1.55M | 1.14% | −950−4.9% | Reduced |
| ADAR1 Capital Management, LLC | 18,540 | $1.56M | 0.15% | +11,500+163.4% | Added |
| Enterprise Financial Services Corp | 18,597 | $1.56M | 0.80% | −128−0.7% | Reduced |
| NCM Capital Management, LLC | 18,608 | $1.56M | 0.61% | +17+0.1% | Added |
| Dudley Capital Management, LLC | 18,619 | $1.56M | 0.71% | −139−0.7% | Reduced |
| Field & Main Bank | 18,683 | $1.57M | 0.46% | +230+1.2% | Added |
| Clark Capital Management Group, Inc. | 18,723 | $1.57M | 0.01% | +554+3.0% | Added |
| Compass Ion Advisors, LLC | 18,725 | $1.57M | 0.15% | −2,040−9.8% | Reduced |
| Integrated Investment Consultants, LLC | 18,729 | $1.57M | 0.27% | −791−4.1% | Reduced |
| IVC Wealth Advisors LLC | 18,744 | $1.57M | 0.70% | −462−2.4% | Reduced |
| Occudo Quantitative Strategies LP | 18,766 | $1.58M | 0.19% | +18,766 | New |
| Ausdal Financial Partners, Inc. | 18,828 | $1.58M | 0.08% | +9,731+107.0% | Added |
| Wolverine Trading, LLC | 20,117 | $1.58M | 0.03% | −96,830−82.8% | Reduced |
| Eisler Capital Management Ltd. | 18,990 | $1.58M | 0.04% | +2,956+18.4% | Added |
| Legacy Private Trust Co. | 18,837 | $1.58M | 0.09% | −1,197−6.0% | Reduced |
| Old North State Wealth Management, LLC | 18,884 | $1.59M | 0.74% | +556+3.0% | Added |
| Apexium Financial, LP | 18,907 | $1.59M | 0.08% | −659−3.4% | Reduced |
| Livforsakringsbolaget Skandia, Omsesidigt | 18,777 | $1.59M | 0.06% | −900−4.6% | Reduced |
| Van Cleef Asset Management,Inc | 19,058 | $1.60M | 0.16% | −300−1.5% | Reduced |
| Graves-Light Private Wealth Management, Inc. | 19,073 | $1.60M | 0.18% | +2,455+14.8% | Added |
| Kendall Capital Management | 19,075 | $1.60M | 0.36% | +1,383+7.8% | Added |
| Insight Inv LLC | 19,142 | $1.61M | 0.94% | −505−2.6% | Reduced |
| Ti-Trust, Inc | 19,153 | $1.61M | 1.01% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 19,187 | $1.61M | 0.03% | +19,187 | New |
| Mayflower Financial Advisors, LLC | 19,279 | $1.62M | 0.20% | −787−3.9% | Reduced |
| Accurate Wealth Management, LLC | 19,130 | $1.62M | 0.22% | +738+4.0% | Added |
| Strategic Financial Services, Inc, | 19,309 | $1.62M | 0.08% | −902−4.5% | Reduced |
| Wolff Wiese Magana LLC | 19,333 | $1.62M | 0.92% | +17+0.1% | Added |
| Leisure Capital Management | 19,349 | $1.62M | 0.56% | −27−0.1% | Reduced |
| Longfellow Investment Management Co LLC | 19,376 | $1.63M | 0.39% | 00.0% | Unchanged |
| Mindset Wealth Management, LLC | 19,386 | $1.63M | 0.44% | −33−0.2% | Reduced |
| Howe & Rusling Inc | 19,449 | $1.63M | 0.11% | −125−0.6% | Reduced |
| Atlantic Trust, LLC | 19,482 | $1.64M | 0.28% | −2,237−10.3% | Reduced |
| Kestra Investment Management, LLC | 19,489 | $1.64M | 0.04% | −41,301−67.9% | Reduced |
| Avestar Capital, LLC | 19,431 | $1.64M | 0.12% | +2,618+15.6% | Added |
| LVW Advisors, LLC | 19,532 | $1.64M | 0.17% | +615+3.3% | Added |
| Diversify Advisory Services, LLC | 19,884 | $1.64M | 0.06% | −12,372−38.4% | Reduced |
| bLong Financial, LLC | 19,557 | $1.64M | 1.14% | −624−3.1% | Reduced |
| Boothbay Fund Management, LLC | 19,569 | $1.64M | 0.04% | +8,064+70.1% | Added |
| Pflug Koory, LLC | 19,614 | $1.65M | 0.78% | +139+0.7% | Added |
| Barry Investment Advisors, LLC | 19,673 | $1.65M | 0.38% | +901+4.8% | Added |
| Western Wealth Management, LLC | 19,668 | $1.65M | 0.09% | +151+0.8% | Added |
| Sierra Summit Advisors LLC | 19,703 | $1.65M | 0.25% | +820+4.3% | Added |
| Financial Advisory Partners, LLC | 19,705 | $1.65M | 0.48% | −634−3.1% | Reduced |
| Jaffetilchin Investment Partners, LLC | 19,720 | $1.66M | 0.10% | −742−3.6% | Reduced |
| Ninety One SA (PTY) Ltd | 20,765 | $1.66M | 0.07% | +20,765 | New |
| JFS Wealth Advisors, LLC | 19,818 | $1.66M | 0.10% | +1,872+10.4% | Added |
| First City Capital Management, Inc. | 19,828 | $1.66M | 0.90% | −1,737−8.1% | Reduced |
| First County Bank | 19,906 | $1.67M | 0.85% | +192+1.0% | Added |
| Zimmer Partners, LP | 20,000 | $1.68M | 0.04% | +20,000 | New |
| Precedent Wealth Partners, LLC | 20,028 | $1.68M | 0.37% | +1,889+10.4% | Added |
| Motiv8 Investments LLC | 20,039 | $1.68M | 0.89% | +6,767+51.0% | Added |
| Watts Gwilliam & Co., LLC | 20,042 | $1.68M | 0.27% | 00.0% | Unchanged |
| CNB Bank | 20,100 | $1.69M | 0.70% | +1,284+6.8% | Added |
| Probity Advisors, Inc. | 20,134 | $1.69M | 0.27% | +1,219+6.4% | Added |
| Jeppson Wealth Management, LLC | 20,184 | $1.69M | 0.54% | −752−3.6% | Reduced |
| Redwood Investment Management, LLC | 20,225 | $1.70M | 0.18% | −6,278−23.7% | Reduced |
| Family Capital Trust Co | 20,232 | $1.70M | 0.57% | 00.0% | Unchanged |
| Clarkston Capital Partners, LLC | 20,250 | $1.70M | 0.04% | 00.0% | Unchanged |
| DAGCO, Inc. | 20,358 | $1.71M | 0.43% | −897−4.2% | Reduced |
| Pekin Hardy Strauss, Inc. | 20,375 | $1.71M | 0.17% | −1,680−7.6% | Reduced |
| 111 Capital | 20,391 | $1.71M | 0.32% | +6,685+48.8% | Added |
| McAdam, LLC | 20,424 | $1.71M | 0.08% | +271+1.3% | Added |
| Beacon Financial Advisory LLC | 20,479 | $1.72M | 0.40% | +13,754+204.5% | Added |
| Schmidt P J Investment Management Inc | 20,557 | $1.73M | 0.29% | −2,274−10.0% | Reduced |
| Orion Investment Co | 20,574 | $1.73M | 0.55% | −600−2.8% | Reduced |
| Silverlake Wealth Management LLC | 20,630 | $1.73M | 0.42% | +146+0.7% | Added |
| Sheets Smith Wealth Management | 20,722 | $1.74M | 0.20% | +406+2.0% | Added |
| Richard Bernstein Advisors LLC | 20,760 | $1.74M | 0.05% | −18,245−46.8% | Reduced |
| Leo Wealth, LLC | 20,770 | $1.74M | 0.23% | −17,348−45.5% | Reduced |
| Cornerstone Select Advisors, LLC | 20,816 | $1.75M | 1.28% | +3,003+16.9% | Added |
| EverSource Wealth Advisors, LLC | 20,918 | $1.76M | 0.07% | +4,122+24.5% | Added |
| Fiduciary Group LLC | 21,021 | $1.76M | 0.15% | −344−1.6% | Reduced |
| Flavin Financial Services, Inc. | 21,052 | $1.77M | 1.26% | +4,481+27.0% | Added |
| Cornerstone Wealth Group, LLC | 21,054 | $1.77M | 0.12% | −504−2.3% | Reduced |
| Nations Financial Group Inc, | 21,068 | $1.77M | 0.11% | −268−1.3% | Reduced |
| Coastline Trust Co | 21,079 | $1.77M | 0.19% | −653−3.0% | Reduced |
| Red Cedar Investment Management, LLC | 21,092 | $1.77M | 0.21% | 00.0% | Unchanged |
| West Branch Capital LLC | 21,098 | $1.77M | 0.46% | −3,198−13.2% | Reduced |
| SWS Partners | 20,917 | $1.77M | 0.43% | +928+4.6% | Added |
| Cozad Asset Management Inc | 21,144 | $1.77M | 0.14% | −523−2.4% | Reduced |
| Syon Capital LLC | 21,147 | $1.77M | 0.10% | −885−4.0% | Reduced |