Merck & Co.MRK
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 3,602 institutions reported holding Merck & Co. Inc. (MRK) in their 13F filings, up 116 from Q3 2024. 95 opened new positions and 203 sold out. The largest holders were Vanguard Group Inc. ($25.0B), BlackRock, Inc. ($22.1B) and State Street Corp. ($12.1B). 15 famous investors held it, including Jeremy Grantham (2.0% of GMO's portfolio), Prem Watsa (1.1% of Fairfax Financial Holdings's portfolio) and Bill Nygren (1.0% of Harris Associates (Oakmark Funds)'s portfolio).
- Company
- Merck & Co. Inc.
- Sector
- Health Care
- CUSIP
- 58933Y105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 95 | $667.7M |
| Exits | 203 | $774.0M |
All 13F filers, Q3 2024 → Q4 2024: 120,709,893 shares bought and 105,635,082 shares sold, net +15,074,811 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 3,602 holders
| Vanguard Group Inc. | 0.44% | Add +0.5% | 251,096,107 | $25.0B |
| BlackRock, Inc. | 0.45% | Add +4.7% | 222,081,845 | $22.1B |
| State Street Corp. | 0.48% | Add +1.6% | 120,909,306 | $12.1B |
| Wellington Management Group LLP | 1.47% | Add +6.5% | 80,742,030 | $8.0B |
| Geode Capital Management, LLC | 0.47% | Add +3.4% | 61,181,863 | $6.1B |
| Morgan Stanley | 0.31% | Reduce -0.5% | 44,183,699 | $4.4B |
| FMR LLC | 0.22% | Reduce -24.8% | 37,360,572 | $3.7B |
| Bank of America Corp. | 0.34% | Reduce -6.2% | 36,444,942 | $3.6B |
| Norges Bank | 0.46% | Add +3.5% | 34,979,885 | $3.5B |
| Northern Trust Corp. | 0.44% | Add +16.8% | 31,377,107 | $3.1B |
| JPMorgan Chase & Co. | 0.21% | Reduce -0.7% | 27,109,855 | $2.7B |
| Bank of New York Mellon Corp | 0.45% | Add +29.7% | 24,213,537 | $2.4B |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.50% | Add +21.4% | 21,547,758 | $2.1B |
| Charles Schwab Investment Management Inc. | 0.37% | Add +7.0% | 20,125,171 | $2.0B |
| Franklin Resources Inc. | 0.56% | Add +23.8% | 19,872,444 | $2.0B |
| Legal & General Group Plc | 0.51% | Add +1.3% | 19,484,511 | $1.9B |
| Deutsche Bank AG | 0.75% | Reduce -1.6% | 19,246,457 | $1.9B |
| Royal Bank of Canada | 0.40% | Add +10.9% | 18,375,974 | $1.8B |
| UBS Group AG | 0.39% | Add +12.8% | 17,271,289 | $1.7B |
| Goldman Sachs Group Inc. | 0.33% | Add +15.3% | 17,099,152 | $1.7B |
| Fisher Asset Management | 0.64% | Add +9.9% | 16,111,604 | $1.6B |
| Raymond James Financial Inc. | 0.58% | — | 15,692,332 | $1.6B |
| Invesco Ltd. | 0.28% | Add +22.6% | 15,452,240 | $1.5B |
| Wells Fargo & Company | 0.36% | Reduce -0.3% | 14,865,788 | $1.5B |
| Ameriprise Financial Inc. | 0.36% | Reduce -18.6% | 13,964,664 | $1.4B |
| State Farm Mutual Automobile Insurance Co. | 1.25% | No change | 13,794,969 | $1.4B |
| T. Rowe Price Associates Inc. | 0.14% | Reduce -44.3% | 12,511,007 | $1.2B |
| Nuveen Asset Management, LLC | 0.34% | Reduce -8.9% | 12,085,520 | $1.2B |
| Dimensional Fund Advisors LP | 0.28% | Add +63.1% | 11,577,535 | $1.2B |
| Alliancebernstein L.P. | 0.38% | Reduce -7.6% | 11,109,679 | $1.1B |
| Amundi | 0.33% | Reduce -40.7% | 9,535,680 | $952.1M |
| Nordea Investment Management AB | 0.98% | Add +4.7% | 9,399,643 | $933.8M |
| Aristotle Capital Management, LLC | 1.67% | Reduce -2.6% | 8,688,333 | $864.3M |
| California Public Employees Retirement System | 0.56% | Reduce -8.8% | 8,475,511 | $843.1M |
| HSBC Holdings PLC | 0.52% | Add +9.3% | 8,449,894 | $839.7M |
| Massachusetts Financial Services Co. | 0.26% | Reduce -4.6% | 8,197,687 | $815.5M |
| PNC Financial Services Group, Inc. | 0.54% | Reduce -1.5% | 8,100,071 | $805.8M |
| Capital World Investors | 0.12% | Reduce -48.1% | 7,906,912 | $786.6M |
| Swedbank AB | 0.94% | Add +1.7% | 7,660,652 | $762.1M |
| Stifel Financial Corp. | 0.76% | Add +5.0% | 7,362,103 | $732.4M |
| Sumitomo Mitsui Trust Group, Inc. | 0.48% | Add +10.3% | 7,212,733 | $717.5M |
| Swiss National Bank | 0.47% | Reduce -4.8% | 7,160,751 | $712.4M |
| Alphinity Investment Management Pty Ltd | 3.77% | Reduce -2.9% | 6,967,370 | $693.1M |
| Principal Financial Group Inc. | 0.35% | Add +2.3% | 6,502,635 | $646.9M |
| Arrowstreet Capital, Limited Partnership | 0.52% | Reduce -7.0% | 6,473,094 | $643.9M |
| Barclays PLC | 0.32% | Reduce -6.1% | 6,466,011 | $643.2M |
| Envestnet Asset Management Inc. | 0.21% | Reduce -13.9% | 6,459,654 | $642.6M |
| D. E. Shaw & Co. | 0.75% | Reduce -5.7% | 6,374,804 | $634.2M |
| Barrow Hanley Mewhinney & Strauss LLC | 2.13% | Add +11.1% | 6,285,905 | $625.3M |
| Capital International Investors | 0.12% | Reduce -0.4% | 6,280,750 | $624.7M |
| Harris Associates (Oakmark Funds) | 1.03% | Add +112.2% | 6,244,450 | $621.2M |
| Bank of Montreal | 0.31% | Reduce -5.3% | 6,168,425 | $613.6M |
| GMO | 2.00% | Add +4.3% | 6,165,271 | $613.3M |
| Janus Henderson Group PLC | 0.30% | Reduce -33.1% | 5,864,505 | $583.4M |
| Canada Pension Plan Investment Board | 0.55% | Add +43.2% | 5,817,886 | $578.8M |
| Clearbridge Investments, LLC | 0.47% | Reduce -14.9% | 5,813,122 | $578.3M |
| LSV Asset Management | 1.32% | Reduce -4.4% | 5,747,990 | $571.8M |
| BNP Paribas Financial Markets | 0.45% | Add +61.7% | 5,730,773 | $570.1M |
| DekaBank Deutsche Girozentrale | 0.99% | No change | 5,427,912 | $537.5M |
| AQR Capital Management | 0.69% | Add +77.9% | 5,377,752 | $533.1M |
| Citadel Advisors | 0.49% | Reduce -25.0% | 5,281,710 | $525.4M |
| Schroder Investment Management Group | 0.49% | Reduce -22.3% | 5,133,560 | $510.7M |
| Manufacturers Life Insurance Company, The | 0.44% | Reduce -1.4% | 5,078,200 | $505.2M |
| National Pension Service | 0.47% | Add +3.7% | 4,961,448 | $493.6M |
| Two Sigma Advisers, LP | 1.12% | Add +14.6% | 4,887,100 | $486.2M |
| Citigroup Inc. | 0.45% | Add +7.2% | 4,739,906 | $471.5M |
| National Bank of Canada | 0.59% | Add +14.4% | 4,597,456 | $457.4M |
| Capital Research Global Investors | 0.09% | Add +119.1% | 4,473,385 | $445.0M |
| Rhumbline Advisers | 0.40% | Reduce -1.2% | 4,463,320 | $444.0M |
| Qube Research & Technologies Ltd | 0.71% | Add +4.7% | 4,370,461 | $434.8M |
| Bahl & Gaynor LLC | 2.27% | Reduce -2.5% | 4,320,178 | $429.8M |
| Aberdeen Group plc | 0.79% | Reduce -7.8% | 4,249,325 | $420.2M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.40% | Add +9.9% | 4,199,433 | $416.4M |
| Caisse de depot et placement du Quebec | 0.86% | Reduce -22.7% | 4,166,192 | $414.5M |
| California State Teachers Retirement System | 0.47% | Reduce -1.4% | 4,075,828 | $405.5M |
| Beutel, Goodman & Co Ltd. | 2.19% | Add +17.3% | 4,041,922 | $402.1M |
| Macquarie Group Ltd. | 0.46% | Reduce -11.8% | 3,883,213 | $376.5M |
| Millennium Management | 0.32% | Add +99.3% | 3,580,963 | $356.2M |
| New York State Common Retirement Fund | 0.47% | Reduce -1.1% | 3,519,691 | $350.1M |
| Lazard Asset Management LLC | 0.54% | Add +438.0% | 3,408,939 | $339.1M |
| Truist Financial Corp. | 0.52% | Reduce -3.3% | 3,347,801 | $333.0M |
| Victory Capital Management Inc. | 0.33% | Add +12.5% | 3,345,122 | $332.8M |
| Smead Capital Management, Inc. | 5.09% | Reduce -2.4% | 3,300,210 | $328.3M |
| Fayez Sarofim & Co | 0.77% | Add +10.7% | 3,204,907 | $318.8M |
| LPL Financial LLC | 0.13% | Add +12.1% | 3,203,995 | $318.7M |
| HighTower Advisors, LLC | 0.43% | Add +9.9% | 3,151,875 | $313.5M |
| Van Eck Associates Corp. | 0.40% | Add +748.0% | 3,149,841 | $313.3M |
| Corient Private Wealth LP | 0.51% | Reduce -15.8% | 3,115,764 | $309.6M |
| CANADA LIFE ASSURANCE Co | 0.53% | Add +26.2% | 3,101,308 | $308.4M |
| Handelsbanken Fonder AB | 1.18% | Reduce -1.0% | 3,097,650 | $308.2M |
| Russell Investments Group, Ltd. | 0.42% | Add +11.2% | 3,080,661 | $305.7M |
| AMF Tjanstepension AB | 2.01% | Add +254.1% | 2,841,581 | $282.9M |
| ABN AMRO Bank N.V. | 3.72% | Add +0.7% | 2,795,200 | $275.1M |
| Ensign Peak Advisors, Inc | 0.47% | Reduce -27.9% | 2,671,572 | $265.8M |
| Robeco Institutional Asset Management B.V. | 0.50% | Reduce -17.1% | 2,657,411 | $264.4M |
| Prudential Financial Inc. | 0.36% | Reduce -22.1% | 2,645,319 | $263.2M |
| KBC Group NV | 0.72% | Add +5.4% | 2,616,262 | $260.3M |
| APG Asset Management N.V. | 0.71% | Add +302.9% | 2,655,495 | $255.1M |
| Public Sector Pension Investment Board | 1.04% | Add +108.7% | 2,472,137 | $245.9M |
| State Board of Administration of Florida Retirement System | 0.46% | Reduce -3.4% | 2,450,931 | $243.8M |
"% of holder's portfolio" is MRK's weight in each manager's 13F, not the share of Merck & Co. Inc. the manager owns.