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, Q4 2023
Institutional positions in Merck & Co., Inc. as of Dec 31, 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
- 3,444
- +275 vs. Q3 2023
- Shares held
- 1.94B
- +26.5M (+1.4%) vs. Q3 2023
- Total value
- $211.6B
- +$14.5B (+7.4%) vs. Q3 2023
- New holders
- 382
- 1,248 more added
- Sold out
- 107
- 1,486 more reduced
53 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 244,776,747 | $26.7B | 0.58% | +1,236,228+0.5% | Added |
| BlackRock Inc. | 201,836,434 | $22.0B | 0.56% | −1,098,587−0.5% | Reduced |
| State Street Corp | 116,865,977 | $12.8B | 0.62% | +1,196,373+1.0% | Added |
| Wellington Management Group LLP | 85,595,999 | $9.33B | 1.74% | +3,153,333+3.8% | Added |
| Geode Capital Management, LLC | 55,428,245 | $6.03B | 0.63% | +1,354,125+2.5% | Added |
| FMR LLC | 42,800,017 | $4.67B | 0.36% | +4,654,819+12.2% | Added |
| Morgan Stanley | 40,129,825 | $4.37B | 0.39% | +1,535,032+4.0% | Added |
| Bank of America Corp | 37,994,581 | $4.14B | 0.47% | +2,244,455+6.3% | Added |
| Charles Schwab Investment Management Inc | 36,682,866 | $3.97B | 1.01% | +4,731,152+14.8% | Added |
| Price T Rowe Associates Inc | 30,087,217 | $3.28B | 0.44% | +809,052+2.8% | Added |
| Norges Bank | 28,511,888 | $3.11B | 0.54% | +1,317,346+4.8% | Added |
| Northern Trust Corp | 28,491,644 | $3.11B | 0.56% | −1,367,979−4.6% | Reduced |
| JPMorgan Chase & Co | 25,896,518 | $2.82B | 0.29% | +2,942,711+12.8% | Added |
| Deutsche Bank AG | 21,573,772 | $2.35B | 1.20% | +2,249,770+11.6% | Added |
| Bank of New York Mellon Corp | 20,829,926 | $2.27B | 0.46% | −4,162,431−16.7% | Reduced |
| Legal & General Group Plc | 19,387,683 | $2.11B | 0.66% | −752,004−3.7% | Reduced |
| Invesco Ltd. | 16,757,610 | $1.83B | 0.43% | −915,207−5.2% | Reduced |
| Nuveen Asset Management, LLC | 16,702,700 | $1.82B | 0.59% | +47,790+0.3% | Added |
| Ameriprise Financial Inc | 16,413,300 | $1.79B | 0.54% | −188,332−1.1% | Reduced |
| Wells Fargo & Company | 16,262,519 | $1.77B | 0.50% | −151,738−0.9% | Reduced |
| Royal Bank of Canada | 14,972,074 | $1.63B | 0.40% | +1,696,151+12.8% | Added |
| State Farm Mutual Automobile Insurance Co | 13,794,969 | $1.50B | 1.45% | −436,231−3.1% | Reduced |
| Fisher Asset Management, LLC | 13,551,242 | $1.48B | 0.78% | +212,852+1.6% | Added |
| Amundi | 12,378,435 | $1.46B | 0.66% | −2,170,285−14.9% | Reduced |
| California Public Employees Retirement System | 12,988,942 | $1.42B | 1.08% | +984,463+8.2% | Added |
| UBS Asset Management Americas Inc | 12,669,967 | $1.38B | 0.54% | +17,903+0.1% | Added |
| UBS Group AG | 12,658,556 | $1.38B | 0.56% | +443,308+3.6% | Added |
| Goldman Sachs Group Inc | 12,106,223 | $1.32B | 0.29% | −914,714−7.0% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 12,062,718 | $1.32B | 1.74% | +252,591+2.1% | Added |
| Janus Henderson Group PLC | 12,056,917 | $1.31B | 0.78% | −273,178−2.2% | Reduced |
| Massachusetts Financial Services Co | 11,427,241 | $1.25B | 0.40% | −674,660−5.6% | Reduced |
| Franklin Resources Inc | 10,114,295 | $1.10B | 0.52% | +617,022+6.5% | Added |
| Raymond James & Associates | 9,587,605 | $1.05B | 0.78% | +178,132+1.9% | Added |
| Aristotle Capital Management, LLC | 9,487,338 | $1.03B | 2.02% | −436,262−4.4% | Reduced |
| Alliancebernstein L.P. | 8,997,337 | $980.9M | 0.38% | −392,115−4.2% | Reduced |
| The PNC Financial Services Group, Inc. | 8,793,541 | $958.7M | 0.75% | −102,251−1.1% | Reduced |
| Putnam Investments LLC | 8,456,365 | $921.9M | 1.22% | +328,347+4.0% | Added |
| Capital World Investors | 8,326,094 | $907.7M | 0.16% | −3,302,748−28.4% | Reduced |
| Nordea Investment Management AB | 8,306,168 | $905.0M | 1.15% | −131,036−1.6% | Reduced |
| Swiss National Bank | 7,934,651 | $865.0M | 0.63% | −227,000−2.8% | Reduced |
| Bank of Montreal | 7,558,306 | $824.8M | 0.45% | +2,035,872+36.9% | Added |
| Schroder Investment Management Group | 7,544,810 | $822.5M | 1.07% | +404,648+5.7% | Added |
| LSV Asset Management | 7,469,070 | $814.3M | 1.78% | −345,130−4.4% | Reduced |
| Envestnet Asset Management Inc | 7,158,625 | $780.4M | 0.32% | −71,103−1.0% | Reduced |
| Clearbridge Investments, LLC | 7,134,389 | $777.8M | 0.67% | −146,410−2.0% | Reduced |
| Stifel Financial Corp | 6,797,451 | $741.1M | 0.93% | −37,183−0.5% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 6,774,195 | $738.5M | 0.55% | −118,169−1.7% | Reduced |
| HSBC Holdings PLC | 6,676,276 | $727.7M | 0.67% | +402,728+6.4% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 6,539,647 | $713.0M | 2.51% | −1,4010.0% | Reduced |
| Credit Suisse AG | 6,515,512 | $710.3M | 0.69% | −805,938−11.0% | Reduced |
| Citadel Advisors LLC | 6,318,171 | $688.8M | 0.69% | −358,936−5.4% | Reduced |
| Neuberger Berman Group LLC | 6,277,158 | $684.3M | 0.60% | −503,156−7.4% | Reduced |
| Millennium Management LLC | 6,047,952 | $659.3M | 0.62% | +2,627,482+76.8% | Added |
| Macquarie Group Ltd | 5,971,032 | $651.0M | 0.75% | −413,549−6.5% | Reduced |
| Dimensional Fund Advisors LP | 5,939,525 | $647.5M | 0.19% | −2,807,658−32.1% | Reduced |
| Principal Financial Group Inc | 5,911,682 | $644.5M | 0.41% | +20,018+0.3% | Added |
| Arrowstreet Capital, Limited Partnership | 5,578,297 | $608.1M | 0.64% | −3,913,447−41.2% | Reduced |
| Barclays PLC | 5,475,331 | $596.9M | 0.31% | −1,277,952−18.9% | Reduced |
| Swedbank AB | 5,418,564 | $590.7M | 0.96% | +612,113+12.7% | Added |
| TD Asset Management Inc | 5,387,824 | $587.4M | 0.58% | +360,688+7.2% | Added |
| DekaBank Deutsche Girozentrale | 5,368,114 | $582.9M | 1.20% | −32,315−0.6% | Reduced |
| Caisse de Depot Et Placement du Quebec | 5,115,513 | $557.7M | 1.42% | −337,412−6.2% | Reduced |
| Ensign Peak Advisors, Inc | 5,095,197 | $555.5M | 1.10% | −303,289−5.6% | Reduced |
| Standard Life Aberdeen plc | 4,865,529 | $530.4M | 1.15% | −147,306−2.9% | Reduced |
| Two Sigma Advisers, LP | 4,722,900 | $514.9M | 1.21% | +3,534,202+297.3% | Added |
| Rhumbline Advisers | 4,557,233 | $496.8M | 0.52% | −27,832−0.6% | Reduced |
| Manufacturers Life Insurance Company, The | 4,458,460 | $486.1M | 0.29% | −21,140−0.5% | Reduced |
| Bahl & Gaynor Inc | 4,271,961 | $465.7M | 2.80% | −157,244−3.6% | Reduced |
| Citigroup Inc | 4,096,963 | $446.7M | 0.59% | −104,673−2.5% | Reduced |
| New York State Common Retirement Fund | 4,096,671 | $446.6M | 0.62% | −300,171−6.8% | Reduced |
| California State Teachers Retirement System | 4,094,907 | $446.4M | 0.62% | +48,501+1.2% | Added |
| National Pension Service | 4,032,046 | $439.6M | 0.61% | +77,044+1.9% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 4,025,858 | $438.9M | 1.94% | −3,058−0.1% | Reduced |
| Marshall Wace, LLP | 3,989,960 | $435.0M | 0.83% | +1,938,555+94.5% | Added |
| Truist Financial Corp | 3,771,324 | $411.1M | 0.65% | −289,465−7.1% | Reduced |
| Prudential Financial Inc | 3,759,647 | $406.9M | 0.61% | +472,696+14.4% | Added |
| CI Private Wealth, LLC | 3,556,262 | $387.7M | 0.71% | +230,196+6.9% | Added |
| Raymond James Financial Services Advisors, Inc. | 3,551,939 | $387.2M | 0.63% | +90,643+2.6% | Added |
| National Bank of Canada | 3,310,666 | $374.9M | 0.68% | +1,037,117+45.6% | Added |
| Allianz Asset Management GmbH | 3,214,334 | $350.4M | 0.65% | −613,288−16.0% | Reduced |
| Bank of Nova Scotia | 3,144,632 | $342.8M | 0.64% | +2,449,211+352.2% | Added |
| Canada Pension Plan Investment Board | 3,128,371 | $341.1M | 0.43% | −236,700−7.0% | Reduced |
| APG Asset Management N.V. | 3,390,987 | $334.7M | 0.65% | +195,181+6.1% | Added |
| Candriam Luxembourg S.C.A. | 3,030,289 | $330.4M | 2.28% | −305,310−9.2% | Reduced |
| Robeco Institutional Asset Management B.V. | 2,944,031 | $321.0M | 0.78% | −204,777−6.5% | Reduced |
| Smead Capital Management, Inc. | 2,922,472 | $318.6M | 5.71% | +11,572+0.4% | Added |
| Victory Capital Management Inc | 2,894,965 | $315.6M | 0.33% | +327,286+12.7% | Added |
| Sarasin & Partners LLP | 2,857,795 | $311.6M | 3.43% | −439,635−13.3% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,658,941 | $305.0M | 0.54% | +185,310+7.5% | Added |
| Fayez Sarofim & Co | 2,413,051 | $302.7M | 0.93% | −50,206−2.0% | Reduced |
| HighTower Advisors, LLC | 2,769,622 | $302.0M | 0.51% | +1,494+0.1% | Added |
| State Board of Administration of Florida Retirement System | 2,746,985 | $299.5M | 0.62% | +60,637+2.3% | Added |
| London Co of Virginia | 2,725,948 | $297.2M | 1.67% | −197,464−6.8% | Reduced |
| New York State Teachers Retirement System | 2,626,697 | $286.4M | 0.64% | −94,193−3.5% | Reduced |
| Korea Investment CORP | 2,537,435 | $276.6M | 0.73% | +76,378+3.1% | Added |
| Brown Advisory Inc | 2,536,703 | $276.6M | 0.39% | −92,608−3.5% | Reduced |
| Capital Wealth Planning, LLC | 2,513,495 | $274.0M | 3.14% | −932,081−27.1% | Reduced |
| Great West Life Assurance Co | 2,510,739 | $272.4M | 0.60% | −285,504−10.2% | Reduced |
| D. E. Shaw & Co., Inc. | 2,442,430 | $266.3M | 0.38% | +750,290+44.3% | Added |
| LPL Financial LLC | 2,441,650 | $266.2M | 0.16% | +100,479+4.3% | Added |