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; 3,855 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 | 3,855 | $254.3B |
| Q1 2026 | 3,813 | $231.9B |
| Q4 2025 | 3,675 | $206.6B |
| Q3 2025 | 3,320 | $159.8B |
| Q2 2025 | 3,338 | $155.9B |
| Q1 2025 | 3,460 | $177.7B |
| Q4 2024 | 3,619 | $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 |
|---|---|---|---|---|---|
| Employees Provident Fund Board | 2,623,328 | $197.0M | 3.25% | +112,884+4.5% | Added |
| Brown Advisory Inc | 2,534,250 | $190.3M | 0.28% | +209,604+9.0% | Added |
| Epoch Investment Partners, Inc. | 2,499,188 | $187.7M | 1.04% | +134,414+5.7% | Added |
| Korea Investment CORP | 2,478,219 | $186.1M | 0.55% | −937,353−27.4% | Reduced |
| Prudential Financial Inc | 2,445,891 | $183.6M | 0.26% | −57,774−2.3% | Reduced |
| AXA S.A. | 2,439,248 | $183.2M | 0.51% | −112,249−4.4% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 2,432,201 | $182.7M | 0.40% | −121,520−4.8% | Reduced |
| HighTower Advisors, LLC | 2,419,601 | $182.0M | 0.49% | +75,827+3.2% | Added |
| Point72 Asset Management, L.P. | 2,386,300 | $179.2M | 0.85% | +853,900+55.7% | Added |
| Cullen Capital Management LLC | 2,354,300 | $176.8M | 1.74% | +32,735+1.4% | Added |
| State of Wisconsin Investment Board | 2,314,529 | $173.8M | 0.36% | +85,333+3.8% | Added |
| Capital Research Global Investors | 2,311,495 | $173.6M | 0.04% | +1,236+0.1% | Added |
| Bank of Nova Scotia | 2,262,458 | $169.9M | 0.31% | +1,270,328+128.0% | Added |
| Thornburg Investment Management Inc | 2,225,589 | $167.2M | 2.05% | +174,395+8.5% | Added |
| STRS Ohio | 2,195,819 | $164.9M | 0.62% | −33,984−1.5% | Reduced |
| Marathon Asset Mgmt Ltd | 2,140,502 | $162.1M | 1.97% | +2,140,502 | New |
| Public Employees Retirement Association of Colorado | 2,106,491 | $158.2M | 0.70% | −26,126−1.2% | Reduced |
| M&T Bank Corp | 2,092,329 | $157.2M | 0.71% | −29,177−1.4% | Reduced |
| Thrivent Financial for Lutherans | 2,052,367 | $154.3M | 0.31% | +48,143+2.4% | Added |
| Mackenzie Financial Corp | 1,985,362 | $149.1M | 0.21% | +72,702+3.8% | Added |
| Parnassus Investments | 1,956,933 | $147.0M | 0.31% | +249,631+14.6% | Added |
| AMF Pensionsforsakring AB | 1,941,929 | $146.3M | 1.06% | −1,883,740−49.2% | Reduced |
| Natixis | 1,941,625 | $145.8M | 0.50% | −268,753−12.2% | Reduced |
| Acadian Asset Management LLC | 1,941,732 | $145.8M | 0.56% | +620,144+46.9% | Added |
| LPL Financial LLC | 1,913,887 | $143.8M | 0.14% | +130,217+7.3% | Added |
| US Bancorp | 1,903,280 | $143.0M | 0.27% | −5,375−0.3% | Reduced |
| Antipodes Partners Ltd | 1,902,512 | $142.9M | 4.88% | −154,947−7.5% | Reduced |
| Aviva PLC | 1,897,487 | $142.5M | 0.64% | −59,832−3.1% | Reduced |
| Mn Services Vermogensbeheer B.V. | 1,888,799 | $141.9M | 0.91% | +33,300+1.8% | Added |
| M&G Investment Management Ltd | 1,861,796 | $139.6M | 0.68% | +272,394+17.1% | Added |
| Retirement Systems of Alabama | 1,855,583 | $139.4M | 0.52% | +54,473+3.0% | Added |
| SRB Corp | 1,844,014 | $138.5M | 8.33% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 1,801,106 | $135.3M | 0.27% | +296,000+19.7% | Added |
| HRT Financial LP | 1,788,807 | $134.4M | 0.82% | +1,058,446+144.9% | Added |
| First Republic Investment Management, Inc. | 1,779,959 | $133.7M | 0.33% | +91,445+5.4% | Added |
| Smead Capital Management, Inc. | 1,734,139 | $130.3M | 4.46% | +38,828+2.3% | Added |
| Eagle Asset Management Inc | 1,724,168 | $129.5M | 0.58% | +14,535+0.9% | Added |
| NN Investment Partners Holdings N.V. | 1,717,422 | $129.0M | 0.71% | +101,531+6.3% | Added |
| Keybank National Association | 1,707,461 | $128.2M | 0.56% | +16,201+1.0% | Added |
| Lazard Freres Gestion S.A.S. | 1,703,604 | $128.0M | 3.60% | +260,656+18.1% | Added |
| Coho Partners, Ltd. | 1,701,367 | $127.8M | 2.07% | −539,628−24.1% | Reduced |
| Pictet Asset Management SA | 1,689,334 | $126.9M | 0.14% | +1,689,334 | New |
| Sound Shore Management Inc | 1,671,798 | $125.6M | 3.55% | +424,939+34.1% | Added |
| Jane Street Group, LLC | 1,662,513 | $124.9M | 0.32% | +557,899+50.5% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 1,635,681 | $122.9M | 0.76% | −412,615−20.1% | Reduced |
| BNP Paribas Arbitrage, SA | 1,635,321 | $122.8M | 0.29% | −88,459−5.1% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 1,621,211 | $121.8M | 0.42% | −62,440−3.7% | Reduced |
| Bessemer Group Inc | 1,608,331 | $120.8M | 0.26% | +10,035+0.6% | Added |
| Public Employees Retirement System of Ohio | 1,605,214 | $120.6M | 0.43% | −10,134−0.6% | Reduced |
| Janney Montgomery Scott LLC | 1,598,170 | $120.0M | 0.51% | +22,374+1.4% | Added |
| Standard Life Aberdeen plc | 1,532,939 | $116.1M | 0.26% | −152,555−9.1% | Reduced |
| King Luther Capital Management Corp | 1,537,599 | $115.5M | 0.57% | −78,807−4.9% | Reduced |
| Caisse de Depot Et Placement du Quebec | 1,524,300 | $114.5M | 0.24% | +470,149+44.6% | Added |
| Toronto Dominion Bank | 2,503,291 | $114.1M | 0.18% | +231,650+10.2% | Added |
| Storebrand Asset Management AS | 1,508,535 | $113.3M | 0.55% | −22,492−1.5% | Reduced |
| Regions Financial Corp | 1,503,198 | $112.9M | 0.98% | −3,669−0.2% | Reduced |
| Voya Investment Management LLC | 1,500,071 | $112.7M | 0.23% | −19,187−1.3% | Reduced |
| Camber Capital Management LP | 1,500,000 | $112.7M | 4.19% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 1,499,000 | $112.6M | 0.15% | +740,200+97.5% | Added |
| State of New Jersey Common Pension Fund D | 1,489,808 | $111.9M | 0.35% | −10,049−0.7% | Reduced |
| Shapiro Capital Management LLC | 1,459,098 | $109.6M | 2.05% | +477,771+48.7% | Added |
| Brandes Investment Partners, LP | 1,448,554 | $108.8M | 2.36% | +45,015+3.2% | Added |
| Asset Management One Co.,Ltd. | 1,412,968 | $106.1M | 0.41% | −32,405−2.2% | Reduced |
| KBC Group NV | 1,378,614 | $103.5M | 0.38% | −1,266,108−47.9% | Reduced |
| Commonwealth Equity Services, LLC | 1,369,746 | $102.9M | 0.26% | +39,745+3.0% | Added |
| Factory Mutual Insurance Co | 1,366,391 | $102.6M | 1.28% | +42,600+3.2% | Added |
| Douglass Winthrop Advisors, LLC | 1,348,479 | $101.3M | 2.48% | +6,725+0.5% | Added |
| Crawford Investment Counsel Inc | 1,339,965 | $100.6M | 2.06% | +31,136+2.4% | Added |
| Ninety One UK Ltd | 1,332,411 | $100.1M | 0.26% | +12,730+1.0% | Added |
| Mariner, LLC | 1,244,999 | $93.5M | 0.49% | +127,400+11.4% | Added |
| Handelsbanken Fonder AB | 1,205,802 | $90.6M | 0.47% | −81,361−6.3% | Reduced |
| PGGM Investments | 1,186,963 | $89.2M | 0.46% | −166,996−12.3% | Reduced |
| Artisan Partners Limited Partnership | 1,165,974 | $87.6M | 0.11% | −11,826−1.0% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 1,146,639 | $86.1M | 0.42% | +106,715+10.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 1,126,791 | $84.6M | 0.44% | +766,591+212.8% | Added |
| Treasurer of the State of North Carolina | 1,107,116 | $83.2M | 0.48% | +3,070+0.3% | Added |
| Teacher Retirement System of Texas | 1,066,243 | $80.1M | 0.43% | −120,760−10.2% | Reduced |
| Alyeska Investment Group, L.P. | 1,049,203 | $78.8M | 0.97% | +517,525+97.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,005,662 | $75.5M | 0.19% | +53,236+5.6% | Added |
| Old Republic International Corporation | 996,500 | $74.8M | 1.56% | 00.0% | Unchanged |
| Martingale Asset Management L P | 991,694 | $74.5M | 0.97% | −120,888−10.9% | Reduced |
| CIBC Private Wealth Group, LLC | 991,613 | $74.5M | 0.17% | −22,071−2.2% | Reduced |
| Millennium Management LLC | 984,276 | $73.9M | 0.10% | +514,993+109.7% | Added |
| Virginia Retirement Systems Et Al | 957,394 | $71.9M | 0.74% | +300,900+45.8% | Added |
| Advisor Group Holdings, Inc. | 943,937 | $71.2M | 0.15% | +39,461+4.4% | Added |
| Samlyn Capital, LLC | 928,898 | $69.8M | 1.02% | +46,135+5.2% | Added |
| Man Group plc | 927,848 | $69.7M | 0.25% | −1,247,958−57.4% | Reduced |
| Tocqueville Asset Management L.P. | 925,241 | $69.5M | 1.03% | −11,152−1.2% | Reduced |
| Commerce Bank | 912,244 | $68.5M | 0.48% | +37,889+4.3% | Added |
| Royal London Asset Management Ltd | 906,778 | $68.1M | 0.28% | −9,116−1.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 883,308 | $66.3M | 0.25% | +136,554+18.3% | Added |
| Guggenheim Capital LLC | 876,409 | $65.8M | 0.40% | +110,834+14.5% | Added |
| Haverford Trust Co | 875,363 | $65.7M | 0.79% | +29,146+3.4% | Added |
| Natixis Advisors, L.P. | 872,731 | $65.6M | 0.27% | +124,746+16.7% | Added |
| Boston Trust Walden Corp | 849,567 | $63.8M | 0.57% | +12,272+1.5% | Added |
| Avalon Investment & Advisory | 823,686 | $61.9M | 1.43% | −5,675−0.7% | Reduced |
| Glenmede Trust Co NA | 822,889 | $61.8M | 0.32% | +8,057+1.0% | Added |
| SEI Investments Co | 819,249 | $61.5M | 0.13% | −187,208−18.6% | Reduced |
| Nomura Asset Management Co Ltd | 817,991 | $61.4M | 0.35% | −32,493−3.8% | Reduced |
| Tekla Capital Management LLC | 816,305 | $61.3M | 1.97% | +274,602+50.7% | Added |