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
- 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
- 1,509 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 | 3,812 | $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, 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 |
|---|---|---|---|---|---|
| Picton Mahoney Asset Management | 176,844 | $22.7M | 0.21% | +41,641+30.8% | Added |
| Circle Wealth Management, LLC | 176,636 | $22.7M | 0.29% | −651−0.4% | Reduced |
| Vident Advisory, LLC | 175,764 | $22.6M | 0.17% | +36,440+26.2% | Added |
| Argent Capital Management LLC | 175,679 | $22.6M | 0.71% | −9,774−5.3% | Reduced |
| Nemes Rush Group LLC | 175,548 | $22.6M | 1.87% | +4,584+2.7% | Added |
| Manning & Napier Advisors LLC | 173,781 | $22.5M | 0.29% | −2,500−1.4% | Reduced |
| JB Capital LLC | 174,917 | $22.5M | 0.78% | +12,509+7.7% | Added |
| Charter Trust Co | 174,340 | $22.4M | 1.20% | +615+0.4% | Added |
| Philip James Wealth Mangement, LLC | 173,727 | $22.3M | 2.51% | −10,855−5.9% | Reduced |
| Woodmont Investment Counsel LLC | 173,179 | $22.3M | 1.21% | +740+0.4% | Added |
| Fairfax Financial Holdings LtdSuperinvestorFairfax Financial | 172,900 | $22.2M | 0.84% | 00.0% | Unchanged |
| Lombard Odier Asset Management (Europe) Ltd | 172,654 | $22.2M | 0.95% | −18,531−9.7% | Reduced |
| HM Payson & Co | 172,406 | $22.2M | 0.29% | −17,334−9.1% | Reduced |
| Grandfield & Dodd, LLC | 171,554 | $22.0M | 1.16% | −4,221−2.4% | Reduced |
| Steel Peak Wealth Management LLC | 170,247 | $22.0M | 0.58% | +34,264+25.2% | Added |
| Forbes J M & Co LLP | 171,186 | $22.0M | 1.73% | −565−0.3% | Reduced |
| Cheviot Value Management, LLC | 171,084 | $22.0M | 2.23% | −386−0.2% | Reduced |
| Empower Advisory Group, LLC | 169,726 | $21.8M | 0.05% | +1,116+0.7% | Added |
| Stockman Wealth Management, Inc. | 169,661 | $21.8M | 2.25% | −7,446−4.2% | Reduced |
| Blackhill Capital Inc | 168,857 | $21.7M | 0.90% | 00.0% | Unchanged |
| Cadinha & Co LLC | 167,632 | $21.5M | 3.19% | +768+0.5% | Added |
| South Dakota Investment Council | 166,665 | $21.4M | 0.37% | −13,301−7.4% | Reduced |
| Bourgeon Capital Management LLC | 163,890 | $21.1M | 3.15% | +923+0.6% | Added |
| Kimelman & Baird, LLC | 160,179 | $20.6M | 1.52% | 00.0% | Unchanged |
| Talbot Financial, LLC | 160,158 | $20.6M | 1.51% | +2,981+1.9% | Added |
| First Manhattan Co | 158,760 | $20.5M | 0.05% | +4,293+2.8% | Added |
| Pinebridge Investments LLC | 158,976 | $20.4M | 0.17% | −107,150−40.3% | Reduced |
| Oak Grove Capital LLC | 158,885 | $20.4M | 1.50% | +75,925+91.5% | Added |
| Kentucky Retirement Systems | 156,894 | $20.2M | 0.50% | −84,345−35.0% | Reduced |
| First Horizon Corp | 156,209 | $20.1M | 0.77% | −4,255−2.7% | Reduced |
| Bleakley Financial Group, LLC | 155,898 | $20.0M | 0.26% | +26,681+20.6% | Added |
| Logan Capital Management Inc | 155,292 | $20.0M | 0.74% | +155,292 | New |
| Summit Financial, LLC | 153,789 | $19.9M | 0.22% | +5,356+3.6% | Added |
| Ar Asset Management Inc | 154,124 | $19.8M | 3.63% | −1,096−0.7% | Reduced |
| Norinchukin Bank, The | 152,112 | $19.5M | 0.19% | −1,231−0.8% | Reduced |
| Fisher Funds Management LTD | 151,132 | $19.4M | 0.55% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 150,778 | $19.4M | 0.50% | −3,464−2.2% | Reduced |
| Cinctive Capital Management LP | 150,456 | $19.3M | 0.77% | +133,749+800.6% | Added |
| One Capital Management, LLC | 160,540 | $19.3M | 0.54% | 00.0% | Unchanged |
| Central Securities Corp | 150,000 | $19.3M | 1.44% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 149,977 | $19.3M | 0.22% | +6,673+4.7% | Added |
| Parthenon LLC | 149,637 | $19.2M | 2.00% | −3,425−2.2% | Reduced |
| CCM Investment Advisers LLC | 149,092 | $19.2M | 1.48% | −450−0.3% | Reduced |
| Stonebridge Capital Advisors LLC | 148,656 | $19.1M | 1.22% | −2,117−1.4% | Reduced |
| Vestcor Inc | 147,382 | $18.9M | 0.47% | −39,691−21.2% | Reduced |
| Fundamentun, LLC | 147,259 | $18.9M | 0.68% | +2,476+1.7% | Added |
| Bollard Group LLC | 146,931 | $18.9M | 0.57% | +8,166+5.9% | Added |
| Snowden Capital Advisors LLC | 145,291 | $18.8M | 0.44% | +10,100+7.5% | Added |
| Mount Yale Investment Advisors, LLC | 145,564 | $18.8M | 0.35% | +28,837+24.7% | Added |
| Old National Bancorp | 145,489 | $18.7M | 0.37% | −16,255−10.0% | Reduced |
| Atlantic Union Bankshares Corp | 145,428 | $18.7M | 0.31% | −5,372−3.6% | Reduced |
| Crawford Investment Counsel Inc | 144,979 | $18.6M | 0.31% | −3,087−2.1% | Reduced |
| Mirova | 144,550 | $18.6M | 0.69% | +100,852+230.8% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 144,486 | $18.6M | 0.59% | +6,874+5.0% | Added |
| Edgar Lomax Co | 143,985 | $18.5M | 1.38% | −8,865−5.8% | Reduced |
| United Asset Strategies, Inc. | 143,654 | $18.5M | 1.30% | −66,781−31.7% | Reduced |
| Davy Global Fund Management Ltd | 142,780 | $18.3M | 1.17% | −743−0.5% | Reduced |
| United Capital Financial Advisers, LLC | 142,059 | $18.3M | 0.10% | −3,253−2.2% | Reduced |
| Bright Rock Capital Management, LLC | 142,000 | $18.2M | 3.66% | 00.0% | Unchanged |
| LMCG Investments, LLC | 141,678 | $18.2M | 0.98% | −1,287−0.9% | Reduced |
| Badgley Phelps Wealth Managers, LLC | 140,620 | $18.2M | 0.32% | +9,121+6.9% | Added |
| Arkadios Wealth Advisors | 140,968 | $18.1M | 0.28% | −5,163−3.5% | Reduced |
| Noesis Capital Mangement Corp | 138,569 | $17.8M | 2.14% | +2,885+2.1% | Added |
| Fideuram Asset Management (Ireland) dac | 149,491 | $17.8M | 0.34% | +131,613+736.2% | Added |
| Eagle Global Advisors LLC | 138,101 | $17.7M | 0.59% | +1,237+0.9% | Added |
| Franklin Street Advisors Inc | 137,989 | $17.7M | 0.99% | +649+0.5% | Added |
| Montag A & Associates Inc | 136,408 | $17.6M | 0.75% | −1,382−1.0% | Reduced |
| Hartford Investment Management Co | 136,591 | $17.6M | 0.50% | −4,910−3.5% | Reduced |
| ABN AMRO Bank N.V. | 136,228 | $17.5M | 0.23% | −11,149−7.6% | Reduced |
| Dodge & Cox | 135,750 | $17.4M | 0.01% | −300−0.2% | Reduced |
| NorthCrest Asset Manangement, LLC | 138,092 | $17.3M | 0.44% | +7,887+6.1% | Added |
| Applied Finance Capital Management, LLC | 133,454 | $17.1M | 1.28% | −45,452−25.4% | Reduced |
| Maryland State Retirement & Pension System | 133,373 | $17.1M | 0.29% | +8,876+7.1% | Added |
| Tokio Marine Asset Management Co Ltd | 132,577 | $17.0M | 0.53% | −6,975−5.0% | Reduced |
| Drexel Morgan & Co. | 132,292 | $17.0M | 2.36% | 00.0% | Unchanged |
| Wescott Financial Advisory Group, LLC | 132,230 | $17.0M | 1.32% | +106+0.1% | Added |
| Wesleyan Assurance Society | 131,371 | $16.9M | 0.85% | 00.0% | Unchanged |
| Brookstone Capital Management | 130,290 | $16.7M | 0.17% | +14,460+12.5% | Added |
| RSM US Wealth Management LLC | 129,070 | $16.7M | 0.18% | −1,040−0.8% | Reduced |
| Azimuth Capital Investment Management LLC | 129,218 | $16.6M | 0.56% | −3,315−2.5% | Reduced |
| Park National Corp | 128,593 | $16.5M | 0.46% | −410−0.3% | Reduced |
| Integrated Wealth Concepts LLC | 128,068 | $16.5M | 0.11% | +13,850+12.1% | Added |
| Folger Nolan Fleming Douglas Capital Management, Inc | 127,783 | $16.4M | 1.34% | −618−0.5% | Reduced |
| PFM Health Sciences, LP | 127,118 | $16.3M | 1.42% | +127,118 | New |
| Allen Mooney & Barnes Investment Advisors LLC | 126,728 | $16.3M | 2.48% | −3,350−2.6% | Reduced |
| Intech Investment Management LLC | 126,723 | $16.3M | 0.15% | +4,285+3.5% | Added |
| Tectonic Advisors LLC | 126,684 | $16.3M | 0.78% | +511+0.4% | Added |
| Louisiana State Employees Retirement System | 126,200 | $16.2M | 0.24% | −300−0.2% | Reduced |
| Bragg Financial Advisors, Inc | 125,805 | $16.2M | 0.43% | −7,208−5.4% | Reduced |
| American Assets Investment Management, LLC | 125,000 | $16.1M | 0.97% | 00.0% | Unchanged |
| Cohen Klingenstein LLC | 124,194 | $16.0M | 0.46% | 00.0% | Unchanged |
| Woodstock Corp | 123,729 | $15.9M | 1.32% | −773−0.6% | Reduced |
| Edge Wealth Management LLC | 123,674 | $15.9M | 2.67% | +239+0.2% | Added |
| First National Bank of Omaha | 123,043 | $15.9M | 0.45% | +8,026+7.0% | Added |
| New Mexico Educational Retirement Board | 123,486 | $15.9M | 0.40% | +8,900+7.8% | Added |
| Coldstream Capital Management Inc | 123,237 | $15.8M | 0.20% | −10,429−7.8% | Reduced |
| Tema ETFs LLC | 122,900 | $15.8M | 0.51% | +7,019+6.1% | Added |
| New Age Alpha Advisors, LLC | 122,881 | $15.8M | 0.67% | −4,557−3.6% | Reduced |
| Goelzer Investment Management, Inc. | 122,719 | $15.8M | 0.69% | −4,286−3.4% | Reduced |
| Farther Finance Advisors, LLC | 120,685 | $15.5M | 0.12% | −1,207−1.0% | Reduced |