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, Q3 2023
Institutional positions in Merck & Co., Inc. as of Sep 30, 2023. 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
- 3,222
- +1 vs. Q2 2023
- Shares held
- 1.92B
- −11.1M (−0.6%) vs. Q2 2023
- Total value
- $197.7B
- −$24.4B (−11.0%) vs. Q2 2023
- New holders
- 148
- 1,298 more added
- Sold out
- 147
- 1,410 more reduced
41 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 243,540,519 | $25.1B | 0.62% | −99,6340.0% | Reduced |
| BlackRock Inc. | 202,935,021 | $20.9B | 0.60% | −2,715,229−1.3% | Reduced |
| State Street Corp | 115,669,604 | $12.0B | 0.66% | −2,892,482−2.4% | Reduced |
| Wellington Management Group LLP | 82,442,666 | $8.49B | 1.70% | +5,196,914+6.7% | Added |
| Geode Capital Management, LLC | 54,074,120 | $5.56B | 0.66% | +1,350,663+2.6% | Added |
| Morgan Stanley | 38,594,793 | $3.97B | 0.40% | −572,824−1.5% | Reduced |
| FMR LLC | 38,145,198 | $3.93B | 0.34% | −819,448−2.1% | Reduced |
| Bank of America Corp | 35,750,126 | $3.68B | 0.45% | −1,581,734−4.2% | Reduced |
| Charles Schwab Investment Management Inc | 31,951,714 | $3.29B | 0.94% | +1,246,705+4.1% | Added |
| Northern Trust Corp | 29,859,623 | $3.07B | 0.60% | +1,186,842+4.1% | Added |
| Price T Rowe Associates Inc | 29,278,165 | $3.01B | 0.44% | −112,224−0.4% | Reduced |
| Norges Bank | 27,194,542 | $2.80B | 0.57% | −46,994−0.2% | Reduced |
| Bank of New York Mellon Corp | 24,992,357 | $2.57B | 0.57% | −1,724,945−6.5% | Reduced |
| JPMorgan Chase & Co | 22,953,807 | $2.36B | 0.28% | −1,109,509−4.6% | Reduced |
| Legal & General Group Plc | 20,139,687 | $2.07B | 0.72% | −545,917−2.6% | Reduced |
| Deutsche Bank AG | 19,324,002 | $1.99B | 1.29% | −2,197,976−10.2% | Reduced |
| Invesco Ltd. | 17,672,817 | $1.82B | 0.49% | −3,729,753−17.4% | Reduced |
| Nuveen Asset Management, LLC | 16,654,910 | $1.71B | 0.60% | +8,656+0.1% | Added |
| Ameriprise Financial Inc | 16,601,632 | $1.71B | 0.56% | −429,593−2.5% | Reduced |
| Wells Fargo & Company | 16,414,257 | $1.69B | 0.53% | −1,185,625−6.7% | Reduced |
| Amundi | 14,548,720 | $1.51B | 0.74% | +1,749,423+13.7% | Added |
| State Farm Mutual Automobile Insurance Co | 14,231,200 | $1.47B | 1.47% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 13,338,390 | $1.37B | 0.78% | +703,069+5.6% | Added |
| Royal Bank of Canada | 13,275,923 | $1.37B | 0.40% | −1,183,743−8.2% | Reduced |
| Goldman Sachs Group Inc | 13,020,937 | $1.34B | 0.34% | +457,054+3.6% | Added |
| UBS Asset Management Americas Inc | 12,652,064 | $1.30B | 0.58% | +746,357+6.3% | Added |
| Janus Henderson Group PLC | 12,330,095 | $1.27B | 0.83% | −1,154,477−8.6% | Reduced |
| UBS Group AG | 12,215,248 | $1.26B | 0.58% | −489,666−3.9% | Reduced |
| Massachusetts Financial Services Co | 12,101,901 | $1.25B | 0.44% | −8,053,729−40.0% | Reduced |
| California Public Employees Retirement System | 12,004,479 | $1.24B | 1.06% | −205,624−1.7% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 11,810,127 | $1.22B | 1.80% | +1,010,671+9.4% | Added |
| Capital World Investors | 11,628,842 | $1.20B | 0.24% | −1,492,724−11.4% | Reduced |
| Aristotle Capital Management, LLC | 9,923,600 | $1.02B | 2.20% | −235,022−2.3% | Reduced |
| Franklin Resources Inc | 9,497,273 | $977.7M | 0.50% | +2,556,466+36.8% | Added |
| Arrowstreet Capital, Limited Partnership | 9,491,744 | $977.2M | 1.18% | −2,648,429−21.8% | Reduced |
| Raymond James & Associates | 9,409,473 | $968.7M | 0.81% | +68,629+0.7% | Added |
| Alliancebernstein L.P. | 9,389,452 | $966.6M | 0.41% | −106,397−1.1% | Reduced |
| The PNC Financial Services Group, Inc. | 8,895,792 | $915.8M | 0.78% | −92,889−1.0% | Reduced |
| Dimensional Fund Advisors LP | 8,747,183 | $900.6M | 0.30% | −886,535−9.2% | Reduced |
| Nordea Investment Management AB | 8,437,204 | $875.1M | 1.22% | +97,826+1.2% | Added |
| Swiss National Bank | 8,161,651 | $840.2M | 0.66% | −1,003,600−11.0% | Reduced |
| Putnam Investments LLC | 8,128,018 | $836.8M | 1.27% | −183,450−2.2% | Reduced |
| LSV Asset Management | 7,814,200 | $804.5M | 1.87% | −681,250−8.0% | Reduced |
| Credit Suisse AG | 7,321,450 | $753.7M | 0.79% | +168,675+2.4% | Added |
| Clearbridge Investments, LLC | 7,280,799 | $749.6M | 0.72% | −134,974−1.8% | Reduced |
| Envestnet Asset Management Inc | 7,229,728 | $744.3M | 0.34% | +1,177,722+19.5% | Added |
| Schroder Investment Management Group | 7,140,162 | $735.1M | 1.09% | −274,058−3.7% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 6,892,364 | $709.6M | 0.58% | −530,378−7.1% | Reduced |
| Stifel Financial Corp | 6,834,634 | $703.6M | 0.99% | −71,993−1.0% | Reduced |
| Neuberger Berman Group LLC | 6,780,314 | $698.3M | 0.64% | +115,761+1.7% | Added |
| Barclays PLC | 6,753,283 | $695.3M | 0.45% | −501,631−6.9% | Reduced |
| Citadel Advisors LLC | 6,677,107 | $687.4M | 0.74% | +4,837,236+262.9% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 6,541,048 | $673.4M | 2.57% | −73,762−1.1% | Reduced |
| Macquarie Group Ltd | 6,384,581 | $657.1M | 0.83% | −448,024−6.6% | Reduced |
| HSBC Holdings PLC | 6,273,548 | $645.6M | 0.72% | −732,017−10.4% | Reduced |
| Principal Financial Group Inc | 5,891,664 | $606.5M | 0.44% | +8,122+0.1% | Added |
| Bank of Montreal | 5,522,434 | $597.8M | 0.35% | −827,295−13.0% | Reduced |
| DekaBank Deutsche Girozentrale | 5,400,429 | $566.0M | 1.30% | −25,168−0.5% | Reduced |
| Caisse de Depot Et Placement du Quebec | 5,452,925 | $561.4M | 1.62% | −361,691−6.2% | Reduced |
| Ensign Peak Advisors, Inc | 5,398,486 | $555.8M | 1.19% | +122,990+2.3% | Added |
| TD Asset Management Inc | 5,027,136 | $517.5M | 0.63% | +74,194+1.5% | Added |
| Standard Life Aberdeen plc | 5,012,835 | $516.1M | 1.32% | −770,083−13.3% | Reduced |
| Swedbank AB | 4,806,451 | $494.8M | 0.90% | +221,797+4.8% | Added |
| Rhumbline Advisers | 4,585,065 | $472.0M | 0.55% | −9810.0% | Reduced |
| Manufacturers Life Insurance Company, The | 4,479,600 | $461.2M | 0.27% | +310,287+7.4% | Added |
| Bahl & Gaynor Inc | 4,429,205 | $456.0M | 2.91% | −114,477−2.5% | Reduced |
| New York State Common Retirement Fund | 4,396,842 | $452.7M | 0.65% | −205,182−4.5% | Reduced |
| Citigroup Inc | 4,201,636 | $432.6M | 0.62% | +157,988+3.9% | Added |
| Truist Financial Corp | 4,060,789 | $418.1M | 0.70% | +73,170+1.8% | Added |
| National Pension Service | 3,955,002 | $416.8M | 0.67% | +79,627+2.1% | Added |
| California State Teachers Retirement System | 4,046,406 | $416.6M | 0.64% | −163,971−3.9% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 4,028,916 | $414.8M | 1.96% | +411,073+11.4% | Added |
| Allianz Asset Management GmbH | 3,827,622 | $394.1M | 0.80% | −524,130−12.0% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 3,461,296 | $356.3M | 0.65% | +85,411+2.5% | Added |
| Capital Wealth Planning, LLC | 3,445,576 | $354.7M | 4.36% | −35,904−1.0% | Reduced |
| Millennium Management LLC | 3,420,470 | $352.1M | 0.37% | +3,372,609+7,046.7% | Added |
| Canada Pension Plan Investment Board | 3,365,071 | $346.4M | 0.51% | +438,100+15.0% | Added |
| Candriam Luxembourg S.C.A. | 3,335,599 | $343.4M | 2.81% | +209,628+6.7% | Added |
| CI Private Wealth, LLC | 3,326,066 | $342.4M | 0.79% | +77,673+2.4% | Added |
| Sarasin & Partners LLP | 3,297,430 | $339.5M | 4.24% | +104,812+3.3% | Added |
| Prudential Financial Inc | 3,286,951 | $338.7M | 0.53% | −977,744−22.9% | Reduced |
| APG Asset Management N.V. | 3,195,806 | $329.0M | 0.67% | −502,344−13.6% | Reduced |
| Robeco Institutional Asset Management B.V. | 3,148,808 | $324.2M | 0.87% | +87,972+2.9% | Added |
| First Republic Investment Management, Inc. | 3,062,384 | $315.3M | 0.90% | −334,740−9.9% | Reduced |
| London Co of Virginia | 2,923,412 | $301.0M | 1.81% | −108,757−3.6% | Reduced |
| Smead Capital Management, Inc. | 2,910,900 | $299.7M | 6.11% | −99,873−3.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 2,858,839 | $294.3M | 0.67% | −1930.0% | Reduced |
| Great West Life Assurance Co | 2,796,243 | $288.0M | 0.69% | −21,719−0.8% | Reduced |
| HighTower Advisors, LLC | 2,768,128 | $285.0M | 0.54% | +29,095+1.1% | Added |
| New York State Teachers Retirement System | 2,720,890 | $280.1M | 0.68% | −121,808−4.3% | Reduced |
| State Board of Administration of Florida Retirement System | 2,686,348 | $276.6M | 0.65% | −97,729−3.5% | Reduced |
| Brown Advisory Inc | 2,629,311 | $270.7M | 0.44% | +41,515+1.6% | Added |
| Victory Capital Management Inc | 2,567,679 | $264.3M | 0.30% | +16,251+0.6% | Added |
| AQR Capital Management LLC | 2,547,504 | $262.3M | 0.54% | −359,583−12.4% | Reduced |
| First Trust Advisors LP | 2,528,259 | $260.3M | 0.31% | −93,504−3.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,473,631 | $254.7M | 0.52% | +183,345+8.0% | Added |
| Fayez Sarofim & Co | 2,463,257 | $253.6M | 0.86% | +67,646+2.8% | Added |
| Korea Investment CORP | 2,461,057 | $253.4M | 0.75% | +115,906+4.9% | Added |
| Cullen Capital Management LLC | 2,451,727 | $252.4M | 2.95% | −88,067−3.5% | Reduced |
| Beutel, Goodman & Co Ltd. | 2,432,302 | $250.4M | 1.48% | +200,856+9.0% | Added |