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 |
|---|---|---|---|---|---|
| L & S Advisors Inc | 120,404 | $15.5M | 1.60% | +3,814+3.3% | Added |
| Ashton Thomas Private Wealth, LLC | 120,301 | $15.5M | 0.32% | −3,774−3.0% | Reduced |
| Monarch Capital Management Inc | 119,322 | $15.4M | 3.53% | −1,237−1.0% | Reduced |
| Brinker Capital Investments, LLC | 119,842 | $15.4M | 0.12% | −4,276−3.4% | Reduced |
| EFG International AG | 119,627 | $15.4M | 0.28% | −11,077−8.5% | Reduced |
| GHP Investment Advisors, Inc. | 118,345 | $15.2M | 0.56% | +2,423+2.1% | Added |
| Skba Capital Management LLC | 118,272 | $15.2M | 2.51% | −33,600−22.1% | Reduced |
| Bartlett & Co. Wealth Management LLC | 117,498 | $15.2M | 0.19% | +161+0.1% | Added |
| Farmers & Merchants Investments Inc | 117,788 | $15.1M | 0.37% | −384−0.3% | Reduced |
| SlateStone Wealth, LLC | 117,597 | $15.1M | 1.16% | −4,937−4.0% | Reduced |
| Red Door Wealth Management, LLC | 117,172 | $15.1M | 1.37% | +2,472+2.2% | Added |
| Banco Santander, S.A. | 117,047 | $15.0M | 0.09% | +1,519+1.3% | Added |
| Eldred Rock Partners, LLC | 116,413 | $15.0M | 3.22% | +7,161+6.6% | Added |
| Tiaa-Cref Individual & Institutional Services, LLC | 116,389 | $15.0M | 0.05% | +1,287+1.1% | Added |
| Parallax Volatility Advisers, L.P. | 116,081 | $14.9M | 0.55% | −1,623−1.4% | Reduced |
| SP Asset Management LLC | 115,831 | $14.9M | 1.19% | +339+0.3% | Added |
| Achmea Investment Management B.V. | 115,829 | $14.9M | 0.37% | −15,448−11.8% | Reduced |
| Auxier Asset Management | 115,776 | $14.9M | 2.00% | −1,466−1.3% | Reduced |
| Wallace Advisory Group, LLC | 115,340 | $14.8M | 13.94% | −69−0.1% | Reduced |
| Matthew Goff Investment Advisor, LLC | 115,209 | $14.8M | 2.50% | −1,490−1.3% | Reduced |
| Bokf, NA | 114,907 | $14.8M | 0.20% | −4,083−3.4% | Reduced |
| Washington Trust Bank | 114,877 | $14.8M | 1.03% | −17,715−13.4% | Reduced |
| Hennessy Advisors Inc | 114,850 | $14.8M | 0.47% | −2,950−2.5% | Reduced |
| Foster Victor Wealth Advisors, LLC | 122,130 | $14.8M | 0.78% | +5,674+4.9% | Added |
| Crestwood Advisors Group LLC | 114,219 | $14.7M | 0.22% | −993−0.9% | Reduced |
| Claret Asset Management Corp | 113,760 | $14.6M | 1.57% | −250−0.2% | Reduced |
| Exchange Traded Concepts, LLC | 113,353 | $14.6M | 0.07% | +24,801+28.0% | Added |
| Buck Wealth Strategies, LLC | 113,226 | $14.5M | 1.52% | +3,103+2.8% | Added |
| Bellevue Group AG | 113,061 | $14.5M | 0.31% | −93,530−45.3% | Reduced |
| Camden National Bank | 113,039 | $14.5M | 1.89% | +532+0.5% | Added |
| Equitable Holdings, Inc. | 113,005 | $14.5M | 0.09% | −41,819−27.0% | Reduced |
| Community Bank, N.A. | 112,906 | $14.5M | 1.57% | −2,000−1.7% | Reduced |
| Clearstead Advisors, LLC | 112,376 | $14.4M | 0.14% | −39,756−26.1% | Reduced |
| Westend Capital Management, LLC | 112,297 | $14.4M | 3.30% | −71−0.1% | Reduced |
| Allianz SE | 112,208 | $14.4M | 0.15% | +5,108+4.8% | Added |
| Vestmark Advisory Solutions, Inc. | 111,985 | $14.4M | 0.14% | +22,662+25.4% | Added |
| Adviser Investments LLC | 111,388 | $14.3M | 0.14% | +625+0.6% | Added |
| Cantor Fitzgerald Investment Adviser L.P. | 111,011 | $14.3M | 0.96% | +856+0.8% | Added |
| Cullen Investment Group, Ltd. | 110,982 | $14.3M | 1.73% | −1,757−1.6% | Reduced |
| Moody Lynn & Lieberson, LLC | 110,547 | $14.2M | 0.75% | +60,711+121.8% | Added |
| Columbia Asset Management | 110,475 | $14.2M | 2.47% | −1,188−1.1% | Reduced |
| Middleton & Co Inc | 110,274 | $14.2M | 1.50% | −11,871−9.7% | Reduced |
| Novare Capital Management LLC | 110,202 | $14.2M | 1.01% | −275−0.2% | Reduced |
| Griffin Asset Management, Inc. | 110,155 | $14.2M | 1.49% | +182+0.2% | Added |
| Premier Fund Managers Ltd | 109,020 | $14.1M | 1.28% | −2,000−1.8% | Reduced |
| Central Trust Co | 109,411 | $14.1M | 0.25% | −1,394−1.3% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 108,665 | $14.0M | 0.51% | +8,939+9.0% | Added |
| Stratos Wealth Partners, LTD. | 108,575 | $14.0M | 0.14% | −4,439−3.9% | Reduced |
| Cyndeo Wealth Partners, LLC | 108,426 | $13.9M | 0.66% | +3,929+3.8% | Added |
| Sterling Capital Management LLC | 108,307 | $13.9M | 0.24% | +102,420+1,739.8% | Added |
| Naples Global Advisors, LLC | 106,535 | $13.8M | 0.85% | −286−0.3% | Reduced |
| Callan Family Office, LLC | 107,070 | $13.8M | 0.27% | −6,074−5.4% | Reduced |
| Park Avenue Securities LLC | 106,866 | $13.7M | 0.09% | −2,109−1.9% | Reduced |
| Trust Co of Vermont | 106,435 | $13.7M | 0.51% | +106,435 | New |
| Envestnet Portfolio Solutions, Inc. | 105,500 | $13.6M | 0.06% | +23,240+28.3% | Added |
| Banque Cantonale Vaudoise | 105,147 | $13.5M | 0.53% | −21,026−16.7% | Reduced |
| First Nebraska Trust Co | 104,140 | $13.4M | 1.08% | −63−0.1% | Reduced |
| Jacobs & Co | 103,952 | $13.4M | 1.15% | −2,897−2.7% | Reduced |
| Ibex Wealth Advisors | 103,751 | $13.3M | 1.04% | +2,603+2.6% | Added |
| Miramar Capital, LLC | 103,681 | $13.3M | 2.93% | +131+0.1% | Added |
| Umb Bank N A | 103,503 | $13.3M | 0.17% | −925−0.9% | Reduced |
| Laird Norton Trust Company, LLC | 102,602 | $13.3M | 0.25% | −448−0.4% | Reduced |
| Sit Investment Associates Inc | 103,159 | $13.3M | 0.25% | +19,817+23.8% | Added |
| Independent Advisor Alliance | 102,748 | $13.2M | 0.31% | +2,712+2.7% | Added |
| Metis Global Partners, LLC | 102,719 | $13.2M | 0.30% | −30,745−23.0% | Reduced |
| Rodgers Brothers Inc. | 102,689 | $13.2M | 1.28% | +444+0.4% | Added |
| Clark & Stuart, Inc | 101,766 | $13.2M | 8.26% | −1,319−1.3% | Reduced |
| Prospera Financial Services Inc | 102,060 | $13.1M | 0.19% | −3,501−3.3% | Reduced |
| Atomi Financial Group, Inc. | 101,296 | $13.0M | 0.34% | +7,734+8.3% | Added |
| Purpose Unlimited Inc. | 100,180 | $12.9M | 0.49% | +3,267+3.4% | Added |
| Avantax Planning Partners, Inc. | 100,354 | $12.9M | 0.32% | +1,842+1.9% | Added |
| J.W. Cole Advisors, Inc. | 100,135 | $12.9M | 0.22% | −1,382−1.4% | Reduced |
| Viking Fund Management LLC | 100,000 | $12.8M | 1.15% | 00.0% | Unchanged |
| Miracle Mile Advisors, LLC | 99,815 | $12.8M | 0.15% | +284+0.3% | Added |
| Narwhal Capital Management | 99,503 | $12.8M | 0.88% | −11,872−10.7% | Reduced |
| Patten & Patten Inc | 99,256 | $12.8M | 0.68% | −814−0.8% | Reduced |
| Ninety One UK Ltd | 98,910 | $12.7M | 0.03% | +2,009+2.1% | Added |
| Tufton Capital Management | 98,272 | $12.6M | 2.12% | −860−0.9% | Reduced |
| Fort Sheridan Advisors LLC | 98,070 | $12.6M | 1.36% | −541−0.5% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 97,454 | $12.5M | 0.20% | −694,281−87.7% | Reduced |
| Associated Banc-Corp | 96,870 | $12.4M | 0.30% | −3,740−3.7% | Reduced |
| Cardinal Capital Management | 96,235 | $12.4M | 1.51% | −402−0.4% | Reduced |
| Estabrook Capital Management | 96,811 | $12.4M | 1.68% | −1,433−1.5% | Reduced |
| Rothschild Investment LLC | 96,633 | $12.4M | 0.46% | −523−0.5% | Reduced |
| Johnson Investment Counsel Inc | 96,505 | $12.4M | 0.09% | −3,368−3.4% | Reduced |
| Apollon Wealth Management, LLC | 96,041 | $12.3M | 0.15% | +3,301+3.6% | Added |
| CX Institutional | 95,317 | $12.2M | 0.35% | +2,323+2.5% | Added |
| Marco Investment Management LLC | 95,255 | $12.2M | 0.81% | −450−0.5% | Reduced |
| River Wealth Advisors LLC | 95,113 | $12.2M | 1.28% | +2,011+2.2% | Added |
| GAMMA Investing LLC | 94,992 | $12.2M | 0.45% | +5,736+6.4% | Added |
| M. Kulyk & Associates, LLC | 94,863 | $12.2M | 1.99% | −3,331−3.4% | Reduced |
| Choate Investment Advisors | 94,736 | $12.2M | 0.21% | −7,269−7.1% | Reduced |
| Moors & Cabot, Inc. | 94,665 | $12.2M | 0.47% | −1,413−1.5% | Reduced |
| Parsons Capital Management Inc | 94,146 | $12.1M | 0.55% | +7,054+8.1% | Added |
| John G Ullman & Associates Inc | 94,029 | $12.1M | 1.47% | −243−0.3% | Reduced |
| Lynch & Associates | 93,866 | $12.1M | 2.11% | +428+0.5% | Added |
| GAM Holding AG | 93,799 | $12.1M | 0.92% | −1,053−1.1% | Reduced |
| Empirical Finance, LLC | 93,774 | $12.0M | 0.50% | +2,830+3.1% | Added |
| Robinhood Asset Management, LLC | 93,533 | $12.0M | 0.64% | +17,752+23.4% | Added |
| Tompkins Financial Corp | 93,472 | $12.0M | 0.84% | −6,595−6.6% | Reduced |