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, Q2 2025
Institutional positions in Merck & Co., Inc. as of Jun 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
- 3,337
- −73 vs. Q1 2025
- Shares held
- 1.97B
- −5.75M (−0.3%) vs. Q1 2025
- Total value
- $155.9B
- −$21.3B (−12.0%) vs. Q1 2025
- New holders
- 178
- 1,301 more added
- Sold out
- 251
- 1,539 more reduced
49 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Main Street Research LLC | 8,968 | $717.2K | 0.04% | −262−2.8% | Reduced |
| InvesTrust | 9,060 | $717.2K | 0.28% | 00.0% | Unchanged |
| FSM Wealth Advisors, LLC | 8,867 | $717.4K | 0.12% | +4,003+82.3% | Added |
| Abacus Wealth Partners, LLC | 9,081 | $718.9K | 0.11% | −144−1.6% | Reduced |
| Ausdal Financial Partners, Inc. | 9,097 | $720.1K | 0.05% | +2,439+36.6% | Added |
| Capula Management Ltd | 9,112 | $721.3K | 0.01% | +5,331+141.0% | Added |
| Brookwood Investment Group LLC | 9,119 | $721.9K | 0.12% | −871−8.7% | Reduced |
| Towercrest Capital Management | 9,125 | $722.3K | 0.13% | −20−0.2% | Reduced |
| Alliance Wealth Management Group | 9,125 | $722.3K | 0.18% | 00.0% | Unchanged |
| WealthPLAN Partners, LLC | 9,127 | $722.5K | 0.12% | −67−0.7% | Reduced |
| Advyzon Investment Management, LLC | 9,133 | $723.0K | 0.16% | +453+5.2% | Added |
| Rogco, LP | 9,153 | $724.6K | 0.27% | +707+8.4% | Added |
| Hartford Funds Management Co LLC | 9,160 | $725.3K | 0.06% | −4,229−31.6% | Reduced |
| Premier Path Wealth Partners, LLC | 9,164 | $725.4K | 0.10% | −2,962−24.4% | Reduced |
| Roman Butler Fullerton & Co | 8,592 | $727.8K | 0.21% | −1,103−11.4% | Reduced |
| Investors Research Corp | 9,205 | $728.7K | 0.14% | 00.0% | Unchanged |
| KC Investment Advisors, LLC | 9,211 | $729.1K | 0.25% | +587+6.8% | Added |
| Hodges Capital Management Inc. | 9,227 | $730.4K | 0.07% | −24,509−72.6% | Reduced |
| Trustco Bank Corp N Y | 9,231 | $730.7K | 0.72% | 00.0% | Unchanged |
| Frisch Financial Group, Inc. | 9,159 | $732.0K | 0.18% | +115+1.3% | Added |
| Great Diamond Partners, LLC | 9,285 | $735.0K | 0.16% | +1,054+12.8% | Added |
| Shore Point Advisors, LLC | 9,297 | $736.0K | 0.35% | −4,675−33.5% | Reduced |
| Ames National Corp | 9,314 | $737.3K | 0.48% | −350−3.6% | Reduced |
| Institute for Wealth Management, LLC. | 9,318 | $737.6K | 0.08% | −77−0.8% | Reduced |
| Blodgett Wealth Advisors, LLC | 9,328 | $738.4K | 0.58% | −1,643−15.0% | Reduced |
| SNS Financial Group, LLC | 9,238 | $738.7K | 0.07% | −181−1.9% | Reduced |
| Wealth Alliance Advisory Group, LLC | 9,342 | $739.5K | 0.14% | +6,350+212.2% | Added |
| Absher Wealth Management, LLC | 9,350 | $740.1K | 0.09% | +468+5.3% | Added |
| Washington Capital Management Inc | 9,378 | $742.4K | 0.55% | 00.0% | Unchanged |
| Gries Financial LLC | 9,381 | $742.6K | 0.14% | +527+6.0% | Added |
| Diversified Enterprises, LLC | 9,386 | $743.0K | 0.06% | −342−3.5% | Reduced |
| Sara-Bay Financial | 9,387 | $743.1K | 0.27% | 00.0% | Unchanged |
| GWN Securities Inc. | 9,366 | $744.0K | 0.14% | −54,349−85.3% | Reduced |
| Prentice Wealth Management LLC | 9,410 | $744.9K | 0.20% | +425+4.7% | Added |
| Bank of Jackson Hole Trust | 9,413 | $745.1K | 0.42% | +1,271+15.6% | Added |
| Pinnacle West Asset Management, Inc. | 9,420 | $746.0K | 0.52% | −75−0.8% | Reduced |
| Northstar Asset Management LLC | 9,434 | $746.8K | 0.17% | −46−0.5% | Reduced |
| First Command Advisory Services, Inc. | 9,450 | $748.1K | 0.01% | −574−5.7% | Reduced |
| CVA Family Office, LLC | 9,475 | $750.0K | 0.11% | −1,479−13.5% | Reduced |
| Coco Enterprises, LLC | 9,494 | $751.5K | 0.43% | +5,800+157.0% | Added |
| Heritage Financial Services, LLC | 9,498 | $751.9K | 0.07% | +4,623+94.8% | Added |
| Connecticut Wealth Management, LLC | 9,502 | $752.2K | 0.04% | −2,011−17.5% | Reduced |
| Kapstone Financial Advisors LLC | 9,502 | $752.2K | 0.38% | +459+5.1% | Added |
| Sterling Capital Management LLC | 9,511 | $752.9K | 0.01% | −91,612−90.6% | Reduced |
| Foster Dykema Cabot & Partners, LLC | 9,418 | $753.2K | 0.05% | 00.0% | Unchanged |
| Peddock Capital Advisors, LLC | 9,539 | $755.1K | 0.17% | −606−6.0% | Reduced |
| Old North State Trust, LLC | 9,558 | $757.0K | 0.52% | −31−0.3% | Reduced |
| Interchange Capital Partners, LLC | 9,573 | $757.8K | 0.18% | +91+1.0% | Added |
| TCI Wealth Advisors, Inc. | 9,577 | $758.1K | 0.05% | −143−1.5% | Reduced |
| Cypress Capital Advisors, LLC | 9,599 | $759.9K | 0.48% | −95−1.0% | Reduced |
| Round Rock Advisors, LLC | 9,616 | $761.2K | 0.13% | +89+0.9% | Added |
| First National Corp | 9,621 | $761.6K | 0.15% | −259−2.6% | Reduced |
| Corundum Group, Inc. | 9,621 | $761.6K | 0.34% | −149−1.5% | Reduced |
| Argentarii, LLC | 9,626 | $762.0K | 0.35% | +2,177+29.2% | Added |
| Manske Wealth Management | 9,645 | $763.5K | 0.25% | +1,433+17.5% | Added |
| WNY Asset Management, LLC | 9,656 | $764.4K | 0.08% | −445−4.4% | Reduced |
| Financial Engines Advisors L.L.C. | 9,658 | $765.0K | 0.00% | +2,326+31.7% | Added |
| Twinbeech Capital LP | 9,665 | $765.1K | 0.02% | −564,465−98.3% | Reduced |
| GeoWealth Management, LLC | 9,672 | $765.7K | 0.03% | −32,281−76.9% | Reduced |
| Summit Financial Wealth Advisors, LLC | 9,679 | $766.2K | 0.14% | +872+9.9% | Added |
| Bank of New Hampshire | 9,698 | $767.7K | 0.19% | −1,418−12.8% | Reduced |
| Austin Private Wealth, LLC | 9,702 | $768.0K | 0.06% | +578+6.3% | Added |
| Neo Ivy Capital Management | 9,718 | $769.3K | 0.25% | −35,530−78.5% | Reduced |
| Relyea Zuckerberg Hanson LLC | 9,760 | $772.6K | 0.09% | −1,261−11.4% | Reduced |
| Klingman & Associates, LLC | 9,784 | $774.5K | 0.04% | +109+1.1% | Added |
| Crewe Advisors LLC | 9,790 | $775.0K | 0.11% | −231−2.3% | Reduced |
| Alerus Financial NA | 9,812 | $776.7K | 0.06% | −288−2.9% | Reduced |
| Coston, McIsaac & Partners | 9,816 | $777.0K | 0.20% | −670−6.4% | Reduced |
| Adirondack Trust Co | 9,828 | $777.9K | 0.28% | −412−4.0% | Reduced |
| Johnson & White Wealth Management, LLC | 9,827 | $778.0K | 0.39% | −7−0.1% | Reduced |
| Accredited Investors Inc. | 9,839 | $778.8K | 0.05% | −972−9.0% | Reduced |
| Waverton Investment Management Ltd | 9,891 | $782.4K | 0.01% | 00.0% | Unchanged |
| Obermeyer Wood Investment Counsel, LLLP | 9,886 | $782.6K | 0.04% | −151,400−93.9% | Reduced |
| CoreFirst Bank & Trust | 9,913 | $784.7K | 0.44% | 00.0% | Unchanged |
| Wellington Shields Capital Management, LLC | 9,934 | $786.4K | 0.13% | −1,499−13.1% | Reduced |
| Intelligence Driven Advisers, LLC | 9,936 | $786.5K | 0.12% | −1,670−14.4% | Reduced |
| Retirement Planning Co of New England, Inc. | 9,938 | $786.7K | 0.35% | +233+2.4% | Added |
| Guardian Wealth Advisors, LLC | 9,944 | $787.1K | 0.06% | +876+9.7% | Added |
| Acorn Financial Advisory Services Inc | 9,959 | $788.4K | 0.13% | −141−1.4% | Reduced |
| Kentucky Trust Co | 9,964 | $788.8K | 0.45% | +700+7.6% | Added |
| Graybill Bartz & Assoc Ltd | 10,047 | $795.3K | 0.26% | 00.0% | Unchanged |
| Fort Point Capital Partners LLC | 9,949 | $796.5K | 0.08% | −505−4.8% | Reduced |
| Everstar Asset Management, LLC | 10,070 | $797.1K | 0.49% | +4,808+91.4% | Added |
| Patriot Investment Management Inc. | 10,082 | $798.1K | 0.06% | −505−4.8% | Reduced |
| Loudon Investment Management, LLC | 10,102 | $799.7K | 0.44% | −317−3.0% | Reduced |
| Plotkin Financial Advisors, LLC | 10,102 | $799.7K | 0.44% | 00.0% | Unchanged |
| Plan Group Financial, LLC | 10,123 | $801.4K | 0.26% | +2,868+39.5% | Added |
| First Washington CORP | 10,130 | $801.9K | 0.26% | −200−1.9% | Reduced |
| Soltis Investment Advisors LLC | 10,146 | $803.2K | 0.06% | −27,230−72.9% | Reduced |
| Forefront Wealth Management Inc. | 10,162 | $804.4K | 0.64% | 00.0% | Unchanged |
| Unified Investment Management | 10,165 | $804.7K | 0.86% | +674+7.1% | Added |
| Hickory Point Bank & Trust | 10,168 | $804.9K | 0.65% | +137+1.4% | Added |
| Centennial Bank | 10,212 | $808.4K | 0.34% | −75−0.7% | Reduced |
| Arrow Financial Corp | 10,217 | $808.8K | 0.09% | +341+3.5% | Added |
| Everpar Advisors LLC | 10,239 | $810.5K | 0.37% | −823−7.4% | Reduced |
| Hamilton Point Investment Advisors, LLC | 10,150 | $811.7K | 0.13% | +8+0.1% | Added |
| Wall Street Access Asset Management, LLC | 10,307 | $815.9K | 0.28% | +3,871+60.1% | Added |
| Ridgecrest Wealth Partners, LLC | 10,315 | $816.6K | 0.43% | −583−5.3% | Reduced |
| Optas, LLC | 10,316 | $816.6K | 0.16% | +3,865+59.9% | Added |
| Old Mission Investment Co LLC | 10,319 | $816.9K | 0.22% | +1,260+13.9% | Added |