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 2026
Institutional positions in Merck & Co., Inc. as of Jun 30, 2026. 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
Q3 2026 data is still coming in: 20 institutions have reported holding MRK so far. See Q3 2026
- Institutional holders
- 3,855
- +96 vs. Q1 2026
- Shares held
- 1.98B
- +52.6M (+2.7%) vs. Q1 2026
- Total value
- $254.3B
- +$23.0B (+9.9%) vs. Q1 2026
- New holders
- 214
- 1,635 more added
- Sold out
- 118
- 1,508 more reduced
53 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | 3,813 | $231.9B |
| Q4 2025 | 3,675 | $206.6B |
| Q3 2025 | 3,320 | $159.8B |
| Q2 2025 | 3,338 | $155.9B |
| Q1 2025 | 3,460 | $177.7B |
| Q4 2024 | 3,619 | $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, Q2 2026
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Winthrop Advisory Group LLC | 7,931 | $1.03M | 0.07% | +480+6.4% | Added |
| Cornell Pochily Investment Advisors, Inc. | 8,019 | $1.03M | 0.28% | +10.0% | Added |
| LOM Asset Management Ltd | 8,021 | $1.03M | 0.27% | +1,386+20.9% | Added |
| Madison Wealth Partners, Inc | 8,024 | $1.03M | 0.13% | +6,006+297.6% | Added |
| Renaissance Investment Group LLC | 8,037 | $1.03M | 0.20% | +204+2.6% | Added |
| Beaumont Asset Management, L.L.C. | 8,037 | $1.03M | 0.40% | −53−0.7% | Reduced |
| Mendel Money Management | 8,050 | $1.03M | 0.38% | −746−8.5% | Reduced |
| SBI Okasan Asset Management Co.Ltd. | 8,000 | $1.04M | 0.03% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 8,064 | $1.04M | 0.19% | −138−1.7% | Reduced |
| McRae Capital Management Inc | 8,069 | $1.04M | 0.20% | −200−2.4% | Reduced |
| CFM Wealth Partners LLC | 8,071 | $1.04M | 0.13% | 00.0% | Unchanged |
| Amussen Hunsaker Associates LLC | 8,077 | $1.04M | 0.10% | +7+0.1% | Added |
| Cooper Financial Group | 8,089 | $1.04M | 0.09% | −429−5.0% | Reduced |
| Wilkinson Global Asset Management LLC | 8,090 | $1.04M | 0.08% | 00.0% | Unchanged |
| Polymer Capital Management (HK) LTD | 8,100 | $1.04M | 0.11% | −34,470−81.0% | Reduced |
| PKS Advisory Services, LLC | 8,103 | $1.04M | 0.17% | +1,450+21.8% | Added |
| Cary Street Partner Investment Advisory LLC | 8,104 | $1.04M | 0.21% | +1,120+16.0% | Added |
| Elevatus Welath Management | 8,152 | $1.05M | 0.25% | +4,246+108.7% | Added |
| Barton Investment Management | 8,158 | $1.05M | 0.14% | 00.0% | Unchanged |
| Sittner & Nelson, LLC | 8,165 | $1.05M | 0.33% | +18+0.2% | Added |
| Trust Co | 8,184 | $1.05M | 0.09% | −2,631−24.3% | Reduced |
| Armstrong, Fleming & Moore, Inc | 8,188 | $1.05M | 0.35% | 00.0% | Unchanged |
| InvesTrust | 8,198 | $1.05M | 0.41% | −113−1.4% | Reduced |
| Channel Wealth LLC | 8,207 | $1.05M | 0.24% | −146−1.7% | Reduced |
| AssuredPartners Investment Advisors, LLC | 8,218 | $1.06M | 0.10% | −510−5.8% | Reduced |
| Hartford Funds Management Co LLC | 8,223 | $1.06M | 0.08% | −81−1.0% | Reduced |
| Charles Schwab Trust Co | 8,250 | $1.06M | 0.06% | +330+4.2% | Added |
| Plan Group Financial, LLC | 8,264 | $1.06M | 0.22% | −1,139−12.1% | Reduced |
| Generation Capital Management LLC | 8,294 | $1.07M | 0.65% | −177−2.1% | Reduced |
| Brindle & Bay Financial Advisors, LLC | 8,294 | $1.07M | 0.53% | +1,205+17.0% | Added |
| Main Street Research LLC | 8,298 | $1.07M | 0.05% | −1,223−12.8% | Reduced |
| West Branch Capital LLC | 8,301 | $1.07M | 0.25% | +869+11.7% | Added |
| Capstone Financial Advisors, Inc. | 8,309 | $1.07M | 0.05% | +65+0.8% | Added |
| Sara-Bay Financial | 8,311 | $1.07M | 0.28% | −321−3.7% | Reduced |
| Commonwealth Financial Services, LLC | 8,315 | $1.07M | 0.14% | +782+10.4% | Added |
| Wealth Alliance Advisory Group, LLC | 8,319 | $1.07M | 0.15% | +29+0.3% | Added |
| Sym Financial Corp | 8,324 | $1.07M | 0.09% | −12−0.1% | Reduced |
| Wakefield Asset Management LLLP | 8,331 | $1.07M | 0.24% | 00.0% | Unchanged |
| Edentree Asset Management Ltd | 8,340 | $1.07M | 0.33% | −45,000−84.4% | Reduced |
| T. Rowe Price Investment Management, Inc. | 8,336 | $1.07M | 0.00% | +66+0.8% | Added |
| SGL Investment Advisors, Inc. | 8,197 | $1.07M | 0.37% | +251+3.2% | Added |
| Northcape Wealth Management, LLC | 8,353 | $1.07M | 0.28% | −208−2.4% | Reduced |
| Annis Gardner Whiting Capital Advisors, LLC | 8,338 | $1.07M | 0.16% | +205+2.5% | Added |
| Obermeyer Wood Investment Counsel, LLLP | 8,359 | $1.07M | 0.04% | −251−2.9% | Reduced |
| Strategic Advisors LLC | 8,362 | $1.07M | 0.24% | +30.0% | Added |
| Berger Financial Group, Inc | 8,364 | $1.07M | 0.05% | −63−0.7% | Reduced |
| Jessup Wealth Management, Inc | 8,375 | $1.08M | 0.32% | −54,569−86.7% | Reduced |
| Roman Butler Fullerton & Co | 8,695 | $1.08M | 0.26% | +244+2.9% | Added |
| YHB Investment Advisors, Inc. | 8,398 | $1.08M | 0.07% | −50−0.6% | Reduced |
| Northern Financial Advisors Inc | 8,398 | $1.08M | 0.71% | +143+1.7% | Added |
| Aurdan Capital Management, LLC | 8,418 | $1.08M | 0.27% | −1,510−15.2% | Reduced |
| Magnolia Capital Management Ltd | 8,417 | $1.08M | 0.75% | −2,779−24.8% | Reduced |
| Total Wealth Planning & Management, Inc. | 8,427 | $1.08M | 0.79% | −407−4.6% | Reduced |
| Cypress Capital Advisors, LLC | 8,433 | $1.08M | 0.45% | −535−6.0% | Reduced |
| Yarger Wealth Strategies, LLC | 8,782 | $1.08M | 0.39% | +698+8.6% | Added |
| Papp L Roy & Associates | 8,457 | $1.09M | 0.11% | −369−4.2% | Reduced |
| Patriot Investment Management Inc. | 8,465 | $1.09M | 0.06% | −629−6.9% | Reduced |
| Bank of New Hampshire | 8,478 | $1.09M | 0.23% | −85−1.0% | Reduced |
| Financial Engines Advisors L.L.C. | 8,510 | $1.09M | 0.00% | +165+2.0% | Added |
| Dark Forest Capital Management LP | 8,518 | $1.09M | 0.07% | +8,518 | New |
| Net Worth Advisory Group | 8,520 | $1.09M | 0.28% | −365−4.1% | Reduced |
| Fortress Private Ledger, LLC | 8,543 | $1.10M | 0.30% | +3,667+75.2% | Added |
| Greenfield Savings Bank | 8,547 | $1.10M | 0.42% | +105+1.2% | Added |
| Cape Cod Five Cents Savings Bank | 8,577 | $1.10M | 0.09% | +8,577 | New |
| BBR Partners, LLC | 8,577 | $1.10M | 0.05% | −406−4.5% | Reduced |
| BCJ Capital Management, LLC | 8,583 | $1.10M | 0.05% | +1,290+17.7% | Added |
| Tyche Wealth Partners LLC | 8,583 | $1.10M | 0.15% | −2,858−25.0% | Reduced |
| Aegis Wealth Management, Inc. | 8,599 | $1.10M | 0.71% | −87−1.0% | Reduced |
| Coston, McIsaac & Partners | 8,609 | $1.11M | 0.22% | +5+0.1% | Added |
| Matrix Private Capital Group LLC | 8,551 | $1.11M | 0.48% | +175+2.1% | Added |
| Johnson Financial Group, LLC | 8,613 | $1.11M | 0.06% | +882+11.4% | Added |
| SmartHarvest Portfolios, LLC | 8,628 | $1.11M | 0.36% | +1,968+29.5% | Added |
| Eubel Brady & Suttman Asset Management Inc | 8,638 | $1.11M | 0.13% | 00.0% | Unchanged |
| Colonial Trust Advisors | 8,658 | $1.11M | 0.08% | −649−7.0% | Reduced |
| Weinberger Asset Management, Inc | 8,545 | $1.11M | 0.36% | +25+0.3% | Added |
| Lakeshore Capital Group, Inc. | 8,676 | $1.11M | 0.83% | +16+0.2% | Added |
| Foster Dykema Cabot & Partners, LLC | 8,626 | $1.12M | 0.06% | 00.0% | Unchanged |
| General Partner, Inc. | 8,686 | $1.12M | 0.60% | 00.0% | Unchanged |
| Argentarii, LLC | 8,564 | $1.12M | 0.34% | −1,309−13.3% | Reduced |
| Aurora Private Wealth, Inc. | 8,690 | $1.12M | 0.71% | −271−3.0% | Reduced |
| Somerset Trust Co | 8,701 | $1.12M | 0.32% | +81+0.9% | Added |
| Baldwin Investment Management, LLC | 8,728 | $1.12M | 0.11% | +3,358+62.5% | Added |
| Stonebridge Financial Group, LLC | 8,747 | $1.12M | 0.09% | +81+0.9% | Added |
| Fulton Breakefield Broenniman LLC | 8,751 | $1.12M | 0.07% | −289−3.2% | Reduced |
| Adirondack Trust Co | 8,753 | $1.12M | 0.34% | −66−0.7% | Reduced |
| Investors Research Corp | 8,779 | $1.13M | 0.20% | −179−2.0% | Reduced |
| Washington Capital Management Inc | 8,783 | $1.13M | 0.74% | +1,850+26.7% | Added |
| Promethium Advisors,llc | 8,728 | $1.13M | 0.54% | 00.0% | Unchanged |
| Advisory Alpha, LLC | 8,797 | $1.13M | 0.03% | +1,594+22.1% | Added |
| Reliant Investment Partners, LLC | 8,800 | $1.13M | 0.77% | +8+0.1% | Added |
| Hikari Tsushin, Inc. | 8,812 | $1.13M | 0.08% | 00.0% | Unchanged |
| Shore Point Advisors, LLC | 8,837 | $1.14M | 0.39% | 00.0% | Unchanged |
| Mine & Arao Wealth Creation & Management, LLC. | 8,854 | $1.14M | 0.41% | +40.0% | Added |
| L2 Asset Management, LLC | 8,861 | $1.14M | 0.12% | −5,244−37.2% | Reduced |
| CoreFirst Bank & Trust | 8,877 | $1.14M | 0.57% | −25−0.3% | Reduced |
| Glen Eagle Advisors, LLC | 8,886 | $1.14M | 0.14% | +718+8.8% | Added |
| Compass Capital Corp | 8,689 | $1.14M | 0.37% | −267−3.0% | Reduced |
| Sagewood Asset Management LP | 8,934 | $1.15M | 0.26% | +368+4.3% | Added |
| Tulsa Wealth Advisors, INC | 8,937 | $1.15M | 0.16% | −573−6.0% | Reduced |
| Verity Asset Management, Inc. | 8,942 | $1.15M | 0.43% | −260−2.8% | Reduced |