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 2021
Institutional positions in Merck & Co., Inc. as of Jun 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
- 2,684
- +22 vs. Q1 2021
- Shares held
- 1.86B
- +10.7M (+0.6%) vs. Q1 2021
- Total value
- $144.3B
- +$2.07B (+1.5%) vs. Q1 2021
- New holders
- 136
- 1,285 more added
- Sold out
- 114
- 961 more reduced
31 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 225,553,790 | $17.5B | 0.44% | +347,861+0.2% | Added |
| BlackRock Inc. | 187,155,493 | $14.6B | 0.41% | −6,772,917−3.5% | Reduced |
| State Street Corp | 114,073,945 | $8.94B | 0.47% | +1,385,011+1.2% | Added |
| Wellington Management Group LLP | 48,406,837 | $3.76B | 0.63% | +8,810,252+22.3% | Added |
| Geode Capital Management, LLC | 44,209,748 | $3.43B | 0.47% | +1,435,230+3.4% | Added |
| Franklin Resources Inc | 38,804,709 | $3.02B | 1.15% | +3,348,929+9.4% | Added |
| Bank of America Corp | 35,286,161 | $2.74B | 0.31% | −1,327,996−3.6% | Reduced |
| Northern Trust Corp | 31,261,433 | $2.43B | 0.43% | −824,860−2.6% | Reduced |
| Bank of New York Mellon Corp | 29,620,305 | $2.30B | 0.45% | −950,223−3.1% | Reduced |
| Capital International Investors | 28,915,476 | $2.25B | 0.51% | −4,263,958−12.9% | Reduced |
| Charles Schwab Investment Management Inc | 26,293,818 | $2.04B | 0.68% | +3,594,415+15.8% | Added |
| Morgan Stanley | 26,289,496 | $2.04B | 0.27% | +3,832,086+17.1% | Added |
| Norges Bank | 25,792,535 | $2.01B | 0.43% | −1,480,153−5.4% | Reduced |
| Massachusetts Financial Services Co | 24,686,997 | $1.92B | 0.56% | −46,154−0.2% | Reduced |
| Deutsche Bank AG | 21,656,867 | $1.68B | 0.82% | +430,292+2.0% | Added |
| Wells Fargo & Company | 21,389,655 | $1.66B | 0.37% | −957,686−4.3% | Reduced |
| JPMorgan Chase & Co | 20,987,079 | $1.63B | 0.21% | −4,151,132−16.5% | Reduced |
| Legal & General Group Plc | 18,284,217 | $1.42B | 0.48% | +1,269,432+7.5% | Added |
| Janus Henderson Group PLC | 17,710,287 | $1.38B | 0.59% | −5,758,495−24.5% | Reduced |
| Price T Rowe Associates Inc | 15,373,402 | $1.20B | 0.11% | −2,542,520−14.2% | Reduced |
| State Farm Mutual Automobile Insurance Co | 14,631,150 | $1.14B | 1.14% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 14,397,179 | $1.12B | 0.33% | −5,380,403−27.2% | Reduced |
| LSV Asset Management | 14,306,091 | $1.11B | 1.89% | +4,628,832+47.8% | Added |
| Invesco Ltd. | 13,773,317 | $1.07B | 0.26% | +2,551,921+22.7% | Added |
| Royal Bank of Canada | 13,423,547 | $1.04B | 0.29% | −1,938,389−12.6% | Reduced |
| Ameriprise Financial Inc | 13,397,054 | $1.04B | 0.32% | −2,908,643−17.8% | Reduced |
| California Public Employees Retirement System | 13,327,716 | $1.04B | 0.78% | +15,480+0.1% | Added |
| Nordea Investment Management AB | 12,924,238 | $1.01B | 1.34% | +2,101,567+19.4% | Added |
| Macquarie Group Ltd | 11,756,251 | $914.2M | 0.75% | +974,638+9.0% | Added |
| UBS Asset Management Americas Inc | 11,628,859 | $904.4M | 0.39% | −632,801−5.2% | Reduced |
| UBS Group AG | 10,772,155 | $837.8M | 0.35% | +1,437,460+15.4% | Added |
| Parametric Portfolio Associates LLC | 10,532,273 | $819.1M | 0.46% | +368,227+3.6% | Added |
| FMR LLC | 10,357,873 | $805.5M | 0.06% | +4,165,565+67.3% | Added |
| Swiss National Bank | 10,317,632 | $802.4M | 0.49% | −429,225−4.0% | Reduced |
| Fisher Asset Management, LLC | 10,316,812 | $802.3M | 0.50% | +458,571+4.7% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 10,145,652 | $789.0M | 2.53% | +9,433,323+1,324.3% | Added |
| Amundi | 10,093,583 | $785.0M | 0.55% | +10,093,583 | New |
| Dimensional Fund Advisors LP | 9,913,768 | $771.0M | 0.24% | −232,786−2.3% | Reduced |
| Clearbridge Investments, LLC | 9,882,766 | $768.6M | 0.53% | −237,182−2.3% | Reduced |
| The PNC Financial Services Group, Inc. | 9,222,142 | $717.2M | 0.65% | +48,684+0.5% | Added |
| Berkshire Hathaway IncSuperinvestorBerkshire Hathaway | 9,157,192 | $712.2M | 0.24% | −8,725,196−48.8% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 8,744,990 | $680.1M | 0.40% | −387,633−4.2% | Reduced |
| Raymond James & Associates | 8,380,191 | $651.7M | 0.59% | +788,235+10.4% | Added |
| Bank of Montreal | 8,313,513 | $642.3M | 0.33% | +1,500,055+22.0% | Added |
| Goldman Sachs Group Inc | 7,658,689 | $595.6M | 0.16% | −688,092−8.2% | Reduced |
| Credit Suisse AG | 7,329,301 | $565.9M | 0.44% | +192,916+2.7% | Added |
| Principal Financial Group Inc | 7,227,226 | $562.1M | 0.36% | +464,160+6.9% | Added |
| Federated Hermes, Inc. | 7,054,275 | $548.6M | 1.02% | +1,521,965+27.5% | Added |
| Alliancebernstein L.P. | 7,020,149 | $546.0M | 0.22% | −453,733−6.1% | Reduced |
| Stifel Financial Corp | 6,515,556 | $506.7M | 0.76% | +13,986+0.2% | Added |
| Putnam Investments LLC | 6,067,887 | $471.9M | 0.73% | +1,256,075+26.1% | Added |
| Capital World Investors | 6,030,755 | $469.0M | 0.08% | −6,598,396−52.2% | Reduced |
| Schroder Investment Management Group | 5,667,960 | $440.8M | 0.55% | +1,296,907+29.7% | Added |
| New York State Common Retirement Fund | 5,592,593 | $434.9M | 0.45% | −37,976−0.7% | Reduced |
| Two Sigma Advisers, LP | 5,479,299 | $426.1M | 1.12% | +1,837,100+50.4% | Added |
| Arrowstreet Capital, Limited Partnership | 5,394,474 | $419.5M | 0.52% | −1,070,264−16.6% | Reduced |
| Canada Pension Plan Investment Board | 5,262,246 | $409.2M | 0.49% | +9,995+0.2% | Added |
| Truist Financial Corp | 5,242,430 | $407.7M | 0.67% | +50,143+1.0% | Added |
| Citigroup Inc | 5,101,874 | $396.8M | 0.35% | +36,861+0.7% | Added |
| AQR Capital Management LLC | 4,909,970 | $379.8M | 0.66% | −1,548,659−24.0% | Reduced |
| Swedbank AB | 4,803,461 | $373.6M | 0.70% | +261,191+5.8% | Added |
| Barclays PLC | 4,708,589 | $366.2M | 0.30% | +979,898+26.3% | Added |
| HSBC Holdings PLC | 4,691,410 | $364.4M | 0.43% | −195,421−4.0% | Reduced |
| DekaBank Deutsche Girozentrale | 4,716,091 | $362.4M | 1.06% | +298,561+6.8% | Added |
| California State Teachers Retirement System | 4,603,916 | $358.0M | 0.45% | −408,448−8.1% | Reduced |
| First Trust Advisors LP | 4,443,370 | $345.6M | 0.37% | +1,620,114+57.4% | Added |
| Robeco Institutional Asset Management B.V. | 4,436,658 | $345.0M | 0.76% | −64,548−1.4% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 4,343,323 | $337.8M | 0.56% | +2,892,142+199.3% | Added |
| Candriam Luxembourg S.C.A. | 4,318,307 | $335.8M | 2.30% | +661,686+18.1% | Added |
| Envestnet Asset Management Inc | 4,292,936 | $333.9M | 0.19% | +350,661+8.9% | Added |
| Bahl & Gaynor Inc | 4,186,174 | $325.6M | 1.98% | +521,549+14.2% | Added |
| Beutel, Goodman & Co Ltd. | 4,110,081 | $319.6M | 1.90% | +753,653+22.5% | Added |
| Manufacturers Life Insurance Company, The | 4,004,874 | $311.5M | 0.25% | −1,494,205−27.2% | Reduced |
| Rhumbline Advisers | 3,885,418 | $302.2M | 0.40% | −187,129−4.6% | Reduced |
| D. E. Shaw & Co., Inc. | 3,872,555 | $301.2M | 0.35% | −5,930,639−60.5% | Reduced |
| Susquehanna International Group, LLP | 3,841,753 | $298.8M | 0.33% | +413,741+12.1% | Added |
| AMF Pensionsforsakring AB | 3,825,669 | $297.9M | 2.06% | +1,074,144+39.0% | Added |
| OrbiMed Advisors LLC | 3,732,400 | $290.3M | 2.97% | 00.0% | Unchanged |
| Laurion Capital Management LP | 3,659,534 | $284.6M | 4.50% | +3,646,541+28,065.4% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 3,571,878 | $277.8M | 1.39% | +291,195+8.9% | Added |
| Sarasin & Partners LLP | 3,442,002 | $267.7M | 2.79% | +484,963+16.4% | Added |
| Korea Investment CORP | 3,415,572 | $265.6M | 0.76% | −130,014−3.7% | Reduced |
| Fayez Sarofim & Co | 3,413,198 | $265.4M | 0.89% | −10,314−0.3% | Reduced |
| American Century Companies Inc | 3,388,379 | $263.5M | 0.18% | −1,270,513−27.3% | Reduced |
| National Pension Service | 3,294,399 | $256.2M | 0.49% | +48,380+1.5% | Added |
| State Board of Administration of Florida Retirement System | 3,264,156 | $253.9M | 0.48% | −93,324−2.8% | Reduced |
| Eaton Vance Management | 3,263,083 | $253.8M | 0.34% | −42,879−1.3% | Reduced |
| Allianz Asset Management GmbH | 3,195,170 | $248.5M | 0.22% | +178,079+5.9% | Added |
| Two Sigma Investments, LP | 3,192,117 | $248.3M | 0.66% | +760,468+31.3% | Added |
| New York State Teachers Retirement System | 3,164,924 | $246.1M | 0.51% | −150,907−4.6% | Reduced |
| Russell Investments Group, Ltd. | 3,071,890 | $238.6M | 0.40% | +28,212+0.9% | Added |
| TD Asset Management Inc | 3,054,118 | $234.8M | 0.24% | −454,300−12.9% | Reduced |
| Great West Life Assurance Co | 3,019,914 | $234.8M | 0.54% | −360,662−10.7% | Reduced |
| London Co of Virginia | 3,011,277 | $234.2M | 1.25% | +16,866+0.6% | Added |
| Alecta Pensionsforsakring, Omsesidigt | 2,960,000 | $230.2M | 1.06% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 2,950,302 | $229.4M | 0.46% | −530,181−15.2% | Reduced |
| Citadel Advisors LLC | 2,950,110 | $229.4M | 0.24% | −1,431,650−32.7% | Reduced |
| Baird Financial Group, Inc. | 2,906,205 | $226.0M | 0.59% | +286,064+10.9% | Added |
| Raymond James Financial Services Advisors, Inc. | 2,848,973 | $221.6M | 0.45% | +172,816+6.5% | Added |
| APG Asset Management N.V. | 3,231,391 | $211.9M | 0.36% | −174,411−5.1% | Reduced |