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 | 3,502 | $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, 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 |
|---|---|---|---|---|---|
| Vermillion Wealth Management, Inc. | 1,361 | $114.2K | 0.03% | 00.0% | Unchanged |
| CGC Financial Services, LLC | 1,394 | $117.0K | 0.03% | 00.0% | Unchanged |
| Mark Sheptoff Financial Planning, LLC | 1,400 | $117.5K | 0.06% | 00.0% | Unchanged |
| Hara Capital LLC | 1,432 | $120.2K | 0.07% | −550−27.7% | Reduced |
| Concord Wealth Partners | 1,442 | $121.0K | 0.02% | −614−29.9% | Reduced |
| Abound Wealth Management | 1,455 | $122.1K | 0.03% | −1,465−50.2% | Reduced |
| Paladin Advisory Group, LLC | 1,478 | $124.0K | 0.10% | −390−20.9% | Reduced |
| Evergreen Private Wealth LLC | 1,503 | $126.2K | 0.05% | 00.0% | Unchanged |
| Signature Resources Capital Management, LLC | 1,519 | $127.5K | 0.07% | −413−21.4% | Reduced |
| S&T Bank | 1,520 | $127.6K | 0.04% | +503+49.5% | Added |
| First Community Trust NA | 1,575 | $132.2K | 0.10% | 00.0% | Unchanged |
| Raffa Wealth Management, LLC | 1,576 | $132.3K | 0.02% | +63+4.2% | Added |
| Richardson Capital Management LLC | 1,576 | $132.3K | 0.06% | +360+29.6% | Added |
| GGM Financials LLC | 1,577 | $132.3K | 0.07% | +1,577 | New |
| Sit Investment Associates Inc | 1,582 | $133.0K | 0.00% | −15,941−91.0% | Reduced |
| Fourth Dimension Wealth, LLC | 1,595 | $133.9K | 0.05% | +65+4.2% | Added |
| Pacifica Partners Inc. | 1,486 | $133.9K | 0.05% | +100+7.2% | Added |
| Bernard Wealth Management Corp. | 1,602 | $134.5K | 0.06% | 00.0% | Unchanged |
| 1 North Wealth Services LLC | 1,624 | $136.3K | 0.06% | 00.0% | Unchanged |
| Kerr Financial Planning Corp | 1,464 | $138.1K | 0.19% | +1,464 | New |
| Avion Wealth | 1,672 | $140.0K | 0.03% | +69+4.3% | Added |
| Flagship Wealth Advisors, LLC | 1,693 | $142.1K | 0.05% | −1,156−40.6% | Reduced |
| Sherman Asset Management, Inc. | 1,708 | $143.4K | 0.12% | −256−13.0% | Reduced |
| Fortitude Family Office, LLC | 1,751 | $147.0K | 0.04% | −118−6.3% | Reduced |
| REAP Financial Group, LLC | 1,764 | $148.0K | 0.03% | +319+22.1% | Added |
| Security National Bank | 1,773 | $148.8K | 0.02% | −287−13.9% | Reduced |
| TSFG, LLC | 1,778 | $149.0K | 0.02% | +6+0.3% | Added |
| MPWM Advisory Solutions, LLC | 1,785 | $149.8K | 0.09% | +1,479+483.3% | Added |
| Armstrong Advisory Group, Inc | 1,833 | $153.8K | 0.01% | 00.0% | Unchanged |
| Goldstream Capital Management Ltd | 1,838 | $154.3K | 0.05% | 00.0% | Unchanged |
| 1248 Management, LLC | 1,910 | $161.9K | 0.09% | −8,399−81.5% | Reduced |
| CapitalatWork S.A. | – | $164.0K | 0.00% | – | – |
| Penserra Capital Management LLC | 1,971 | $164.0K | 0.00% | +105+5.6% | Added |
| Corundum Trust Company, INC | 1,963 | $164.8K | 0.36% | +1,963 | New |
| SJS Investment Consulting Inc. | 1,998 | $167.7K | 0.02% | +1,182+144.9% | Added |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 2,000 | $168.0K | 0.08% | −6,000−75.0% | Reduced |
| Nalls Sherbakoff Group, LLC | 2,016 | $169.2K | 0.11% | +2+0.1% | Added |
| Painted Porch Advisors LLC | 2,017 | $169.3K | 0.06% | +201+11.1% | Added |
| Redwood Park Advisors LLC | 2,068 | $173.5K | 0.13% | +18+0.9% | Added |
| Kozak & Associates, Inc. | 1,924 | $178.6K | 0.04% | −110−5.4% | Reduced |
| New England Capital Financial Advisors LLC | 2,156 | $180.9K | 0.08% | −84−3.8% | Reduced |
| Riverview Trust Co | 2,225 | $186.7K | 0.23% | 00.0% | Unchanged |
| Rossby Financial, LCC | 2,080 | $187.5K | 0.06% | −277−11.8% | Reduced |
| Financial Connections Group, Inc. | 2,271 | $190.0K | 0.07% | +2,130+1,510.6% | Added |
| Lantern Wealth Advisors, LLC | 11,009 | $190.2K | 0.10% | +11,009 | New |
| Rocky Mountain Advisers, LLC | 2,267 | $190.3K | 0.06% | 00.0% | Unchanged |
| Asset Planning,Inc | 2,297 | $192.7K | 0.14% | −92−3.9% | Reduced |
| Board of the Pension Protection Fund | 2,300 | $193.0K | 0.19% | +2,300 | New |
| Accredited Wealth Management, LLC | 238 | $194.5K | 0.15% | −2,057−89.6% | Reduced |
| Quaker Wealth Management, LLC | 2,362 | $198.2K | 0.06% | +164+7.5% | Added |
| Blue Bell Private Wealth Management, LLC | 2,383 | $200.0K | 0.03% | +1,011+73.7% | Added |
| FSB Premier Wealth Management, Inc. | 2,383 | $200.0K | 0.07% | +2,383 | New |
| Strategic Investment Solutions, Inc. | 2,385 | $200.2K | 0.05% | +2+0.1% | Added |
| Charter Capital Management, LLC | 2,390 | $200.6K | 0.11% | +2,390 | New |
| Cohen & Steers, Inc. | 2,400 | $201.0K | 0.00% | 00.0% | Unchanged |
| Cooper/Haims Advisors, LLC | 2,400 | $201.4K | 0.09% | +2,400 | New |
| Aletheian Wealth Advisors LLC | 2,401 | $201.5K | 0.09% | +2,401 | New |
| Northstar Advisory Group, LLC | 2,402 | $201.6K | 0.08% | +2,402 | New |
| Family Management Corp | 2,402 | $201.6K | 0.03% | −1,825−43.2% | Reduced |
| Strategic Family Wealth Counselors, L.L.C. | 2,403 | $201.7K | 0.05% | +2,403 | New |
| Community Bank of Raymore | 2,405 | $201.9K | 0.14% | +2,405 | New |
| ShankerValleau Wealth Advisors, Inc. | 2,407 | $202.0K | 0.05% | +2,407 | New |
| Green Harvest Asset Management LLC | 2,410 | $202.3K | 0.00% | −597−19.9% | Reduced |
| Osborne Partners Capital Management, LLC | 2,411 | $202.3K | 0.01% | +2,411 | New |
| Aspen Capital Management, LLC | 2,411 | $202.4K | 0.05% | +2,411 | New |
| Cherry Creek Investment Advisors, Inc. | 2,413 | $202.5K | 0.09% | −1,808−42.8% | Reduced |
| Haven Private, LLC | 2,415 | $202.7K | 0.09% | −896−27.1% | Reduced |
| Broadway Wealth Solutions, Inc. | 2,422 | $203.3K | 0.11% | −3,917−61.8% | Reduced |
| Strait & Sound Wealth Management LLC | 2,424 | $203.4K | 0.08% | −114−4.5% | Reduced |
| Kohmann Bosshard Financial Services, LLC | 2,430 | $203.9K | 0.02% | +2,430 | New |
| Salomon & Ludwin, LLC | 2,288 | $204.1K | 0.02% | +437+23.6% | Added |
| Crowley Wealth Management, Inc. | 2,437 | $204.5K | 0.16% | −341−12.3% | Reduced |
| Triune Financial Partners, LLC | 2,442 | $205.0K | 0.05% | +2,442 | New |
| Acorns Advisers, LLC | 2,449 | $206.0K | 0.00% | +2,449 | New |
| WFA of San Diego, LLC | 2,460 | $206.5K | 0.14% | 00.0% | Unchanged |
| Tred Avon Family Wealth, LLC | 2,461 | $206.6K | 0.07% | +2,461 | New |
| Pine Harbor Wealth Management, LLC | 2,464 | $206.9K | 0.07% | +2,464 | New |
| Maia Wealth LLC | 2,387 | $207.1K | 0.03% | +2,387 | New |
| Signal Advisors Wealth, LLC | 2,478 | $208.0K | 0.02% | −1,929−43.8% | Reduced |
| J. L. Bainbridge & Co., Inc. | 2,481 | $208.2K | 0.02% | +2,481 | New |
| American Trust Investment Advisors, LLC | 2,483 | $208.4K | 0.11% | −840−25.3% | Reduced |
| D'Orazio & Associates, Inc. | 2,483 | $208.4K | 0.03% | −246−9.0% | Reduced |
| Pasadena Private Wealth, LLC | 2,485 | $208.6K | 0.03% | −100−3.9% | Reduced |
| Sharp Financial Services, LLC | 2,485 | $208.6K | 0.11% | +2,485 | New |
| Aspen Wealth Strategies, LLC | 2,486 | $208.6K | 0.12% | +2,486 | New |
| Forte Asset Management LLC | 2,475 | $209.7K | 0.10% | +2,475 | New |
| Waycross Partners, LLC | 2,500 | $209.8K | 0.02% | −2,000−44.4% | Reduced |
| Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P. | 2,500 | $209.8K | 0.03% | −700−21.9% | Reduced |
| Harvey Capital Management Inc | 2,500 | $209.8K | 0.04% | 00.0% | Unchanged |
| Independent Investors Inc | 2,500 | $209.8K | 0.04% | +2,500 | New |
| One + One Wealth Management, LLC | 2,500 | $209.8K | 0.10% | +2,500 | New |
| KWB Wealth | 2,668 | $211.2K | 0.02% | +19+0.7% | Added |
| Trust Co of Oklahoma | 2,524 | $211.8K | 0.06% | −140−5.3% | Reduced |
| Academy Capital Management Inc | 2,524 | $211.8K | 0.03% | −16−0.6% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 2,530 | $212.0K | 0.00% | +1,800+246.6% | Added |
| Pacific Center for Financial Services | 2,526 | $212.0K | 0.05% | 00.0% | Unchanged |
| Astoria Portfolio Advisors LLC. | 2,454 | $212.0K | 0.06% | −2,552−51.0% | Reduced |
| Monument Group Wealth Advisors, LLC | 2,530 | $212.3K | 0.13% | −327−11.4% | Reduced |
| Legacy Edge Advisors, LLC | 2,534 | $212.7K | 0.03% | +2,534 | New |
| Traveka Wealth, LLC | 2,535 | $212.7K | 0.09% | +2,535 | New |