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 2021
Institutional positions in Merck & Co., Inc. as of Sep 30, 2021. 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
- 2,658
- +15 vs. Q2 2021
- Shares held
- 1.85B
- −4.78M (−0.3%) vs. Q2 2021
- Total value
- $138.8B
- −$5.04B (−3.5%) vs. Q2 2021
- New holders
- 116
- 1,243 more added
- Sold out
- 101
- 978 more reduced
41 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 210,468,088 | $15.8B | 0.39% | −15,085,702−6.7% | Reduced |
| BlackRock Inc. | 187,897,289 | $14.1B | 0.40% | +741,796+0.4% | Added |
| State Street Corp | 115,536,595 | $8.75B | 0.46% | +1,462,650+1.3% | Added |
| Wellington Management Group LLP | 49,559,078 | $3.72B | 0.63% | +1,152,241+2.4% | Added |
| Geode Capital Management, LLC | 42,744,129 | $3.20B | 0.43% | −1,465,619−3.3% | Reduced |
| Franklin Resources Inc | 39,262,359 | $2.95B | 1.11% | +457,650+1.2% | Added |
| Bank of America Corp | 35,582,485 | $2.67B | 0.30% | +296,324+0.8% | Added |
| Northern Trust Corp | 31,027,928 | $2.33B | 0.41% | −233,505−0.7% | Reduced |
| Bank of New York Mellon Corp | 29,334,086 | $2.20B | 0.43% | −286,219−1.0% | Reduced |
| Charles Schwab Investment Management Inc | 27,501,866 | $2.07B | 0.68% | +1,208,048+4.6% | Added |
| Morgan Stanley | 26,137,902 | $1.96B | 0.26% | −151,594−0.6% | Reduced |
| Norges Bank | 26,136,632 | $1.96B | 0.43% | +344,097+1.3% | Added |
| Massachusetts Financial Services Co | 25,496,888 | $1.92B | 0.56% | +809,891+3.3% | Added |
| Capital International Investors | 22,925,339 | $1.72B | 0.39% | −5,990,137−20.7% | Reduced |
| Deutsche Bank AG | 21,826,007 | $1.64B | 0.78% | +169,140+0.8% | Added |
| Wells Fargo & Company | 20,890,045 | $1.57B | 0.36% | −499,610−2.3% | Reduced |
| Invesco Ltd. | 19,461,290 | $1.46B | 0.37% | +5,687,973+41.3% | Added |
| Legal & General Group Plc | 19,116,626 | $1.44B | 0.47% | +832,409+4.6% | Added |
| Price T Rowe Associates Inc | 18,501,870 | $1.39B | 0.13% | +3,128,468+20.3% | Added |
| Janus Henderson Group PLC | 17,477,181 | $1.31B | 0.57% | −233,106−1.3% | Reduced |
| JPMorgan Chase & Co | 17,268,934 | $1.30B | 0.17% | −3,718,145−17.7% | Reduced |
| California Public Employees Retirement System | 14,871,673 | $1.12B | 0.83% | +1,543,957+11.6% | Added |
| LSV Asset Management | 14,685,772 | $1.10B | 1.99% | +379,681+2.7% | Added |
| State Farm Mutual Automobile Insurance Co | 14,231,200 | $1.07B | 1.19% | −399,950−2.7% | Reduced |
| Royal Bank of Canada | 13,330,857 | $1.00B | 0.28% | −92,690−0.7% | Reduced |
| Nordea Investment Management AB | 13,109,235 | $999.0M | 1.30% | +184,997+1.4% | Added |
| Ameriprise Financial Inc | 12,908,782 | $970.1M | 0.31% | −488,272−3.6% | Reduced |
| UBS Asset Management Americas Inc | 12,698,656 | $953.8M | 0.40% | +1,069,797+9.2% | Added |
| UBS Group AG | 12,646,488 | $949.9M | 0.40% | +1,874,333+17.4% | Added |
| Nuveen Asset Management, LLC | 12,403,122 | $931.6M | 0.29% | −1,994,057−13.9% | Reduced |
| Macquarie Group Ltd | 11,931,099 | $896.1M | 0.76% | +174,848+1.5% | Added |
| FMR LLC | 10,687,882 | $802.8M | 0.06% | +330,009+3.2% | Added |
| Fisher Asset Management, LLC | 10,633,264 | $798.7M | 0.50% | +316,452+3.1% | Added |
| Goldman Sachs Group Inc | 10,538,374 | $791.5M | 0.20% | +2,879,685+37.6% | Added |
| Parametric Portfolio Associates LLC | 10,218,208 | $767.5M | 0.44% | −314,065−3.0% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 10,211,690 | $767.0M | 2.54% | +66,038+0.7% | Added |
| Swiss National Bank | 10,012,032 | $752.0M | 0.48% | −305,600−3.0% | Reduced |
| Clearbridge Investments, LLC | 9,861,549 | $740.7M | 0.53% | −21,217−0.2% | Reduced |
| Bank of Montreal | 9,010,584 | $738.9M | 0.37% | +697,071+8.4% | Added |
| Dimensional Fund Advisors LP | 9,791,972 | $735.5M | 0.24% | −121,796−1.2% | Reduced |
| Capital World Investors | 9,399,377 | $706.0M | 0.12% | +3,368,622+55.9% | Added |
| The PNC Financial Services Group, Inc. | 9,118,255 | $684.9M | 0.63% | −103,887−1.1% | Reduced |
| Amundi | 8,881,958 | $667.1M | 0.47% | −1,211,625−12.0% | Reduced |
| Raymond James & Associates | 8,693,593 | $653.0M | 0.59% | +313,402+3.7% | Added |
| Federated Hermes, Inc. | 7,688,050 | $623.2M | 1.19% | +633,775+9.0% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 8,146,654 | $611.9M | 0.38% | −598,336−6.8% | Reduced |
| Principal Financial Group Inc | 7,381,242 | $554.4M | 0.36% | +154,016+2.1% | Added |
| Credit Suisse AG | 7,356,298 | $552.5M | 0.45% | +26,997+0.4% | Added |
| Stifel Financial Corp | 7,032,572 | $528.2M | 0.77% | +517,016+7.9% | Added |
| Barclays PLC | 6,693,966 | $502.8M | 0.36% | +1,985,377+42.2% | Added |
| Arrowstreet Capital, Limited Partnership | 6,567,158 | $493.3M | 0.62% | +1,172,684+21.7% | Added |
| Alliancebernstein L.P. | 6,358,922 | $477.6M | 0.19% | −661,227−9.4% | Reduced |
| Two Sigma Advisers, LP | 6,280,299 | $471.7M | 1.22% | +801,000+14.6% | Added |
| Putnam Investments LLC | 6,149,168 | $461.9M | 0.72% | +81,281+1.3% | Added |
| Canada Pension Plan Investment Board | 5,829,460 | $437.9M | 0.50% | +567,214+10.8% | Added |
| New York State Common Retirement Fund | 5,425,544 | $407.5M | 0.43% | −167,049−3.0% | Reduced |
| Truist Financial Corp | 5,200,073 | $390.6M | 0.64% | −42,357−0.8% | Reduced |
| DekaBank Deutsche Girozentrale | 4,977,954 | $375.4M | 1.05% | +261,863+5.6% | Added |
| Swedbank AB | 4,896,769 | $367.8M | 0.69% | +93,308+1.9% | Added |
| AQR Capital Management LLC | 4,849,316 | $364.2M | 0.68% | −60,654−1.2% | Reduced |
| Schroder Investment Management Group | 4,702,310 | $353.2M | 0.56% | −965,650−17.0% | Reduced |
| California State Teachers Retirement System | 4,650,792 | $349.3M | 0.45% | +46,876+1.0% | Added |
| Citigroup Inc | 4,486,271 | $337.0M | 0.34% | −615,603−12.1% | Reduced |
| Susquehanna International Group, LLP | 4,452,702 | $334.4M | 0.43% | +610,949+15.9% | Added |
| First Trust Advisors LP | 4,405,706 | $330.9M | 0.36% | −37,664−0.8% | Reduced |
| Envestnet Asset Management Inc | 4,385,183 | $329.4M | 0.18% | +92,247+2.1% | Added |
| Robeco Institutional Asset Management B.V. | 4,332,071 | $325.4M | 0.72% | −104,587−2.4% | Reduced |
| Beutel, Goodman & Co Ltd. | 4,294,301 | $322.5M | 1.97% | +184,220+4.5% | Added |
| Manufacturers Life Insurance Company, The | 4,291,714 | $322.4M | 0.26% | +286,840+7.2% | Added |
| Bahl & Gaynor Inc | 4,284,116 | $321.8M | 1.97% | +97,942+2.3% | Added |
| American Century Companies Inc | 4,229,182 | $317.7M | 0.22% | +840,803+24.8% | Added |
| Allianz Asset Management GmbH | 4,140,119 | $311.0M | 0.26% | +944,949+29.6% | Added |
| Sarasin & Partners LLP | 3,740,315 | $280.9M | 2.84% | +298,313+8.7% | Added |
| OrbiMed Advisors LLC | 3,732,400 | $280.3M | 3.11% | 00.0% | Unchanged |
| Grantham, Mayo, Van Otterloo & Co. LLC | 3,710,212 | $278.7M | 1.38% | +138,334+3.9% | Added |
| Russell Investments Group, Ltd. | 3,706,879 | $278.4M | 0.47% | +634,989+20.7% | Added |
| Rhumbline Advisers | 3,681,268 | $276.5M | 0.37% | −204,150−5.3% | Reduced |
| Candriam Luxembourg S.C.A. | 3,663,179 | $275.1M | 1.87% | −655,128−15.2% | Reduced |
| D. E. Shaw & Co., Inc. | 3,547,058 | $266.4M | 0.34% | −325,497−8.4% | Reduced |
| HSBC Holdings PLC | 3,454,169 | $259.6M | 0.30% | −1,237,241−26.4% | Reduced |
| Fayez Sarofim & Co | 3,410,021 | $256.1M | 0.85% | −3,177−0.1% | Reduced |
| National Pension Service | 3,273,889 | $245.9M | 0.47% | −20,510−0.6% | Reduced |
| TD Asset Management Inc | 3,188,496 | $239.5M | 0.25% | +134,378+4.4% | Added |
| State Board of Administration of Florida Retirement System | 3,173,232 | $238.3M | 0.46% | −90,924−2.8% | Reduced |
| London Co of Virginia | 3,096,673 | $232.6M | 1.28% | +85,396+2.8% | Added |
| Citadel Advisors LLC | 3,088,532 | $232.0M | 0.26% | +138,422+4.7% | Added |
| Baird Financial Group, Inc. | 3,044,713 | $228.7M | 0.58% | +138,508+4.8% | Added |
| New York State Teachers Retirement System | 3,019,902 | $226.8M | 0.48% | −145,022−4.6% | Reduced |
| Two Sigma Investments, LP | 3,001,787 | $225.5M | 0.60% | −190,330−6.0% | Reduced |
| Great West Life Assurance Co | 2,956,939 | $223.6M | 0.52% | −62,975−2.1% | Reduced |
| Van Eck Associates Corp | 2,967,033 | $222.9M | 0.56% | +343,962+13.1% | Added |
| Raymond James Financial Services Advisors, Inc. | 2,950,185 | $221.6M | 0.45% | +101,212+3.6% | Added |
| Laurion Capital Management LP | 2,893,409 | $217.3M | 3.13% | −766,125−20.9% | Reduced |
| Eaton Vance Management | 2,925,632 | $216.4M | 0.30% | −337,451−10.3% | Reduced |
| Boston Partners | 2,789,532 | $209.6M | 0.27% | +151,945+5.8% | Added |
| Victory Capital Management Inc | 2,770,075 | $208.1M | 0.20% | +59,679+2.2% | Added |
| Ensign Peak Advisors, Inc | 2,741,626 | $205.9M | 0.43% | −208,676−7.1% | Reduced |
| Alecta Pensionsforsakring, Omsesidigt | 2,710,000 | $203.5M | 0.97% | −250,000−8.4% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 2,660,250 | $199.8M | 0.32% | −1,683,073−38.8% | Reduced |
| APG Asset Management N.V. | 3,049,891 | $197.7M | 0.35% | −181,500−5.6% | Reduced |