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; 3,854 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
- 1,540 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 | 3,854 | $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 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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 252,914,426 | $20.0B | 0.32% | +401,045+0.2% | Added |
| BlackRock, Inc. | 218,340,832 | $17.3B | 0.33% | −7,057,399−3.1% | Reduced |
| State Street Corp | 118,493,864 | $9.47B | 0.36% | −2,035,776−1.7% | Reduced |
| Wellington Management Group LLP | 76,856,492 | $6.08B | 1.10% | −4,813,159−5.9% | Reduced |
| Geode Capital Management, LLC | 58,952,681 | $4.65B | 0.33% | −704,589−1.2% | Reduced |
| Charles Schwab Investment Management Inc | 53,865,466 | $4.26B | 0.74% | +4,636,183+9.4% | Added |
| Morgan Stanley | 44,200,694 | $3.50B | 0.23% | +1,086,242+2.5% | Added |
| Norges Bank | 36,111,289 | $2.86B | 0.36% | −2,116,401−5.5% | Reduced |
| JPMorgan Chase & Co | 31,821,772 | $2.52B | 0.17% | +3,313,550+11.6% | Added |
| FMR LLC | 31,566,125 | $2.50B | 0.14% | −241,918−0.8% | Reduced |
| Northern Trust Corp | 28,745,427 | $2.28B | 0.31% | −1,645,437−5.4% | Reduced |
| Bank of America Corp | 28,021,134 | $2.22B | 0.18% | −3,063,111−9.9% | Reduced |
| Franklin Resources Inc | 27,032,601 | $2.14B | 0.57% | +5,135,748+23.5% | Added |
| UBS Asset Management Americas Inc | 25,133,329 | $1.99B | 0.40% | +4,395,852+21.2% | Added |
| Fisher Asset Management, LLC | 25,013,697 | $1.98B | 0.79% | +567,900+2.3% | Added |
| Bank of New York Mellon Corp | 21,997,430 | $1.74B | 0.33% | −1,133,427−4.9% | Reduced |
| Legal & General Group Plc | 19,503,045 | $1.54B | 0.38% | −252,263−1.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 19,456,096 | $1.54B | 1.09% | +5,094,088+35.5% | Added |
| Goldman Sachs Group Inc | 18,391,653 | $1.46B | 0.24% | +4,024,221+28.0% | Added |
| Amundi | 16,532,657 | $1.36B | 0.47% | +3,454,941+26.4% | Added |
| Deutsche Bank AG | 17,042,622 | $1.35B | 0.50% | −2,129,824−11.1% | Reduced |
| Invesco Ltd. | 17,023,170 | $1.35B | 0.23% | +1,725,036+11.3% | Added |
| UBS Group AG | 16,900,814 | $1.34B | 0.28% | −4,160,455−19.8% | Reduced |
| State Farm Mutual Automobile Insurance Co | 13,794,969 | $1.09B | 0.97% | 00.0% | Unchanged |
| Royal Bank of Canada | 13,553,140 | $1.07B | 0.21% | −625,009−4.4% | Reduced |
| Ameriprise Financial Inc | 13,198,450 | $1.04B | 0.26% | +299,561+2.3% | Added |
| Wells Fargo & Company | 11,383,088 | $901.1M | 0.20% | −516,064−4.3% | Reduced |
| Price T Rowe Associates Inc | 10,797,990 | $854.8M | 0.10% | −967,842−8.2% | Reduced |
| Nordea Investment Management AB | 10,735,428 | $845.1M | 0.78% | +1,319,358+14.0% | Added |
| Dimensional Fund Advisors LP | 10,623,142 | $841.0M | 0.19% | −291,085−2.7% | Reduced |
| D. E. Shaw & Co., Inc. | 10,367,789 | $820.7M | 0.82% | +1,056,063+11.3% | Added |
| Harris Associates L PSuperinvestorHarris Associates (Oakmark) | 9,131,318 | $722.8M | 1.18% | +1,661,958+22.3% | Added |
| Alliancebernstein L.P. | 8,854,176 | $700.9M | 0.23% | −1,382,219−13.5% | Reduced |
| AQR Capital Management LLC | 8,787,272 | $690.2M | 0.57% | +1,029,454+13.3% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 8,706,682 | $689.2M | 2.32% | +915,584+11.8% | Added |
| Aristotle Capital Management, LLC | 8,135,552 | $644.0M | 1.24% | −328,197−3.9% | Reduced |
| Nuveen, LLC | 8,018,753 | $634.8M | 0.18% | −3,027,965−27.4% | Reduced |
| Swedbank AB | 7,874,766 | $623.4M | 0.70% | +7,874,766 | New |
| HSBC Holdings PLC | 7,787,701 | $616.0M | 0.40% | −218,565−2.7% | Reduced |
| Stifel Financial Corp | 7,757,135 | $614.1M | 0.60% | +312,097+4.2% | Added |
| The PNC Financial Services Group, Inc. | 7,723,259 | $611.4M | 0.39% | −120,912−1.5% | Reduced |
| Massachusetts Financial Services Co | 7,679,866 | $607.9M | 0.19% | −303,327−3.8% | Reduced |
| California Public Employees Retirement System | 7,677,010 | $607.7M | 0.39% | −615,782−7.4% | Reduced |
| Raymond James Financial Inc | 7,637,165 | $604.6M | 0.21% | −8,003,727−51.2% | Reduced |
| Swiss National Bank | 7,617,551 | $603.0M | 0.36% | +482,700+6.8% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 7,436,596 | $588.7M | 0.37% | +150,919+2.1% | Added |
| BNP Paribas Arbitrage, SA | 6,644,333 | $526.0M | 0.41% | −1,561,155−19.0% | Reduced |
| Lazard Asset Management LLC | 6,609,067 | $523.2M | 0.72% | +1,590,438+31.7% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 6,469,573 | $512.1M | 1.55% | −217,023−3.2% | Reduced |
| Pacer Advisors, Inc. | 6,041,762 | $478.3M | 1.21% | +754,961+14.3% | Added |
| Barclays PLC | 5,895,968 | $466.7M | 0.19% | +39,116+0.7% | Added |
| Two Sigma Advisers, LP | 5,678,600 | $449.5M | 0.92% | +2,390,000+72.7% | Added |
| Principal Financial Group Inc | 5,629,591 | $445.6M | 0.24% | +1590.0% | Added |
| National Pension Service | 5,531,803 | $437.9M | 0.38% | +258,320+4.9% | Added |
| DekaBank Deutsche Girozentrale | 5,427,912 | $430.1M | 0.77% | +37,306+0.7% | Added |
| LSV Asset Management | 5,336,436 | $422.4M | 0.99% | −128,994−2.4% | Reduced |
| Citigroup Inc | 5,107,758 | $404.3M | 0.28% | −1,124,836−18.0% | Reduced |
| Beutel, Goodman & Co Ltd. | 5,104,436 | $404.1M | 2.30% | +679,339+15.4% | Added |
| First Trust Advisors LP | 5,049,741 | $399.7M | 0.32% | +2,211,568+77.9% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 4,977,819 | $394.1M | 0.31% | +297,714+6.4% | Added |
| CI Private Wealth, LLC | 4,937,948 | $390.9M | 0.57% | +2,277,088+85.6% | Added |
| Clearbridge Investments, LLC | 4,891,067 | $387.2M | 0.31% | −1,038,617−17.5% | Reduced |
| Thornburg Investment Management Inc | 4,729,641 | $374.4M | 4.82% | +1,642,835+53.2% | Added |
| Bank of Montreal | 4,675,862 | $370.1M | 0.19% | −716,721−13.3% | Reduced |
| Standard Life Aberdeen plc | 4,526,331 | $356.2M | 0.61% | +12,338+0.3% | Added |
| Victory Capital Management Inc | 4,432,168 | $350.9M | 0.23% | −34,832−0.8% | Reduced |
| Caisse de Depot Et Placement du Quebec | 4,420,111 | $349.9M | 0.75% | +104,701+2.4% | Added |
| Acadian Asset Management LLC | 4,178,385 | $330.7M | 0.68% | +1,583,692+61.0% | Added |
| Rhumbline Advisers | 4,109,208 | $325.3M | 0.28% | −383,775−8.5% | Reduced |
| Capital International Investors | 4,064,975 | $321.8M | 0.06% | −748,830−15.6% | Reduced |
| California State Teachers Retirement System | 4,063,309 | $321.7M | 0.36% | +18,699+0.5% | Added |
| Qube Research & Technologies Ltd | 4,022,464 | $318.4M | 0.44% | +589,052+17.2% | Added |
| Prudential Financial Inc | 3,829,341 | $303.1M | 0.39% | +477,923+14.3% | Added |
| American Century Companies Inc | 3,772,459 | $298.6M | 0.16% | +721,844+23.7% | Added |
| HighTower Advisors, LLC | 3,766,789 | $298.2M | 0.37% | +67,829+1.8% | Added |
| Envestnet Asset Management Inc | 3,745,382 | $296.5M | 0.09% | −1,299,458−25.8% | Reduced |
| Russell Investments Group, Ltd. | 3,683,381 | $291.5M | 0.37% | −46,688−1.3% | Reduced |
| Canada Pension Plan Investment Board | 3,637,000 | $287.9M | 0.25% | −185,309−4.8% | Reduced |
| Great West Life Assurance Co | 3,632,893 | $287.8M | 0.46% | +511,604+16.4% | Added |
| New York State Common Retirement Fund | 3,622,290 | $286.7M | 0.38% | +63,694+1.8% | Added |
| National Bank of Canada | 3,543,903 | $280.6M | 0.30% | +293,911+9.0% | Added |
| Macquarie Group Ltd | 3,474,059 | $275.0M | 0.34% | −545,567−13.6% | Reduced |
| Capital Research Global Investors | 3,462,269 | $274.1M | 0.05% | +311,535+9.9% | Added |
| Royal London Asset Management Ltd | 3,406,346 | $269.6M | 0.62% | −45,210−1.3% | Reduced |
| LPL Financial LLC | 3,312,117 | $262.2M | 0.09% | +74,599+2.3% | Added |
| Van Eck Associates Corp | 3,295,691 | $260.9M | 0.30% | +203,845+6.6% | Added |
| Smead Capital Management, Inc. | 3,267,318 | $258.6M | 5.18% | −67,248−2.0% | Reduced |
| Robeco Institutional Asset Management B.V. | 3,163,417 | $250.4M | 0.40% | +556,891+21.4% | Added |
| Ensign Peak Advisors, Inc | 3,151,749 | $249.5M | 0.43% | +536,384+20.5% | Added |
| Marshall Wace, LLP | 3,144,500 | $248.9M | 0.30% | +3,136,893+41,236.9% | Added |
| Squarepoint Ops LLC | 3,102,582 | $245.6M | 0.54% | −773,352−20.0% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 3,068,707 | $242.9M | 0.72% | +203,503+7.1% | Added |
| Manufacturers Life Insurance Company, The | 2,982,906 | $236.1M | 0.21% | −829,619−21.8% | Reduced |
| Man Group plc | 2,948,102 | $233.4M | 0.50% | +440,246+17.6% | Added |
| Aviva PLC | 2,683,739 | $212.4M | 0.44% | +137,112+5.4% | Added |
| Fayez Sarofim & Co | 2,620,725 | $207.5M | 0.50% | −296,666−10.2% | Reduced |
| Mariner, LLC | 2,492,387 | $197.3M | 0.28% | −245,786−9.0% | Reduced |
| KBC Group NV | 2,479,867 | $196.3M | 0.53% | +90,834+3.8% | Added |
| Los Angeles Capital Management LLC | 2,455,569 | $194.4M | 0.73% | −219,276−8.2% | Reduced |
| State Board of Administration of Florida Retirement System | 2,438,983 | $193.1M | 0.34% | −13,538−0.6% | Reduced |