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, Q1 2024
Institutional positions in Merck & Co., Inc. as of Mar 31, 2024. 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
- 3,546
- +150 vs. Q4 2023
- Shares held
- 1.95B
- +20.1M (+1.0%) vs. Q4 2023
- Total value
- $256.9B
- +$46.5B (+22.1%) vs. Q4 2023
- New holders
- 261
- 1,416 more added
- Sold out
- 111
- 1,490 more reduced
47 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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 | 3,855 | $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, Q1 2024
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Wealth Planning, LLC | 2,267,952 | $299.3M | 3.20% | −245,543−9.8% | Reduced |
| M&T Bank Corp | 2,266,146 | $299.0M | 1.04% | −81,814−3.5% | Reduced |
| Korea Investment CORP | 2,256,153 | $297.7M | 0.76% | −281,282−11.1% | Reduced |
| AQR Capital Management LLC | 2,238,260 | $294.7M | 0.50% | −96,821−4.1% | Reduced |
| Fayez Sarofim & Co | 2,203,596 | $290.8M | 0.87% | −209,455−8.7% | Reduced |
| Mackenzie Financial Corp | 2,189,127 | $288.9M | 0.42% | +193,843+9.7% | Added |
| ABN AMRO Bank N.V. | 2,145,834 | $283.3M | 4.24% | +4,593+0.2% | Added |
| Baird Financial Group, Inc. | 2,133,578 | $281.5M | 0.59% | −49,373−2.3% | Reduced |
| Bridgewater Associates, LP | 2,090,256 | $275.8M | 1.39% | +133,194+6.8% | Added |
| Two Sigma Advisers, LP | 2,085,600 | $275.2M | 0.64% | −2,637,300−55.8% | Reduced |
| Capital Research Global Investors | 2,041,458 | $269.4M | 0.06% | +1,633+0.1% | Added |
| US Bancorp | 2,025,302 | $267.2M | 0.37% | −1,390−0.1% | Reduced |
| D. E. Shaw & Co., Inc. | 2,021,415 | $266.7M | 0.34% | −421,015−17.2% | Reduced |
| Man Group plc | 1,954,623 | $257.9M | 0.69% | +1,060,236+118.5% | Added |
| Marshall Wace, LLP | 1,949,989 | $257.3M | 0.43% | −2,039,971−51.1% | Reduced |
| Bessemer Group Inc | 1,927,025 | $254.3M | 0.46% | +285,852+17.4% | Added |
| Danske Bank A/S | 1,924,350 | $253.9M | 0.80% | +1,924,350 | New |
| Handelsbanken Fonder AB | 1,893,026 | $249.8M | 1.08% | +186,134+10.9% | Added |
| Antipodes Partners Ltd | 1,889,305 | $249.3M | 7.88% | −285,599−13.1% | Reduced |
| Aviva PLC | 1,888,943 | $249.2M | 0.82% | +118,970+6.7% | Added |
| Thornburg Investment Management Inc | 1,871,244 | $246.9M | 3.44% | −144,337−7.2% | Reduced |
| Cerity Partners LLC | 1,807,002 | $238.6M | 0.63% | +596,406+49.3% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 1,801,251 | $237.6M | 0.54% | −104,809−5.5% | Reduced |
| Toronto Dominion Bank | 1,788,902 | $236.0M | 0.37% | +30,499+1.7% | Added |
| Janney Montgomery Scott LLC | 1,757,569 | $231.9M | 0.69% | +4,179+0.2% | Added |
| Kempen Capital Management N.V. | 1,735,762 | $229.0M | 2.85% | +7,245+0.4% | Added |
| Storebrand Asset Management AS | 1,721,746 | $227.2M | 0.77% | −33,467−1.9% | Reduced |
| Thrivent Financial for Lutherans | 1,713,630 | $226.1M | 0.45% | −69,329−3.9% | Reduced |
| Cullen Capital Management LLC | 1,663,663 | $219.5M | 2.44% | −241,386−12.7% | Reduced |
| Kames Capital plc | 1,660,500 | $219.0M | 3.28% | −55,168−3.2% | Reduced |
| King Luther Capital Management Corp | 1,648,895 | $217.6M | 0.98% | −5,362−0.3% | Reduced |
| Assenagon Asset Management S.A. | 1,634,904 | $215.7M | 0.57% | +470,217+40.4% | Added |
| Mariner, LLC | 1,610,439 | $212.5M | 0.44% | +22,574+1.4% | Added |
| Jane Street Group, LLC | 1,592,465 | $210.1M | 0.27% | +1,028,701+182.5% | Added |
| Jennison Associates LLC | 1,580,395 | $208.5M | 0.14% | −20,623−1.3% | Reduced |
| HRT Financial LP | 1,577,992 | $208.2M | 1.28% | +1,560,558+8,951.2% | Added |
| National Bank of Canada | 1,599,140 | $207.9M | 0.36% | −1,711,526−51.7% | Reduced |
| Lazard Freres Gestion S.A.S. | 1,599,106 | $206.4M | 5.11% | +14,712+0.9% | Added |
| SEI Investments Co | 1,556,024 | $205.3M | 0.30% | +73,490+5.0% | Added |
| STRS Ohio | 1,541,179 | $203.4M | 0.81% | −91,653−5.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,509,332 | $199.2M | 0.53% | +435,308+40.5% | Added |
| Railway Pension Investments Ltd | 1,499,210 | $197.8M | 1.92% | −6,026−0.4% | Reduced |
| Great Lakes Advisors, LLC | 1,473,117 | $194.4M | 1.65% | +442,237+42.9% | Added |
| Commonwealth Equity Services, LLC | 1,466,399 | $193.5M | 0.32% | −5,688−0.4% | Reduced |
| Alphinity Investment Management Pty Ltd | 1,463,501 | $193.1M | 1.71% | +1,463,501 | New |
| Chevy Chase Trust Holdings, Inc. | 1,456,998 | $192.3M | 0.63% | −13,891−0.9% | Reduced |
| State of Wisconsin Investment Board | 1,456,633 | $192.2M | 0.51% | +39,534+2.8% | Added |
| State of New Jersey Common Pension Fund D | 1,445,672 | $190.8M | 0.58% | 00.0% | Unchanged |
| Eagle Asset Management Inc | 1,445,133 | $189.3M | 0.96% | −174,657−10.8% | Reduced |
| Retirement Systems of Alabama | 1,432,395 | $189.0M | 0.73% | +819+0.1% | Added |
| Regions Financial Corp | 1,416,029 | $186.8M | 1.42% | −29,941−2.1% | Reduced |
| Voya Investment Management LLC | 1,382,434 | $182.4M | 0.18% | −25,927−1.8% | Reduced |
| Pictet Asset Management Holding SA | 1,362,232 | $179.7M | 0.20% | −225,328−14.2% | Reduced |
| Qube Research & Technologies Ltd | 1,340,725 | $176.9M | 0.32% | −877,344−39.6% | Reduced |
| SRB Corp | 1,327,587 | $175.2M | 9.70% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 1,316,000 | $173.6M | 3.40% | +261,000+24.7% | Added |
| Commerce Bank | 1,307,875 | $172.6M | 1.14% | +10,991+0.8% | Added |
| Rockefeller Capital Management L.P. | 1,300,852 | $171.6M | 0.50% | −90,492−6.5% | Reduced |
| Natixis | 1,300,102 | $171.5M | 0.95% | −617,897−32.2% | Reduced |
| Balyasny Asset Management LLC | 1,290,930 | $170.3M | 0.44% | +767,966+146.8% | Added |
| Public Employees Retirement System of Ohio | 1,289,530 | $170.2M | 0.67% | −93,621−6.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,287,240 | $169.9M | 0.59% | +4,937+0.4% | Added |
| Ci Investments Inc. | 1,281,839 | $169.1M | 0.67% | +378,275+41.9% | Added |
| Natixis Advisors, L.P. | 1,275,519 | $168.3M | 0.39% | +68,495+5.7% | Added |
| Asset Management One Co.,Ltd. | 1,266,240 | $167.1M | 0.64% | −31,801−2.4% | Reduced |
| Boston Partners | 1,260,580 | $166.3M | 0.20% | −34,684−2.7% | Reduced |
| Treasurer of the State of North Carolina | 1,249,843 | $164.9M | 0.72% | +2020.0% | Added |
| Nomura Asset Management Co Ltd | 1,234,039 | $162.8M | 0.59% | +68,953+5.9% | Added |
| Brandes Investment Partners, LP | 1,232,526 | $162.6M | 2.09% | +103,377+9.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 1,225,129 | $161.7M | 0.42% | +31,347+2.6% | Added |
| Epoch Investment Partners, Inc. | 1,216,883 | $160.6M | 0.71% | +6020.0% | Added |
| Lazard Asset Management LLC | 1,182,391 | $156.0M | 0.19% | +15,779+1.4% | Added |
| Susquehanna International Group, LLP | 1,175,088 | $155.1M | 0.23% | +162,972+16.1% | Added |
| Employees Provident Fund Board | 1,170,187 | $154.4M | 2.71% | −14,326−1.2% | Reduced |
| AXA S.A. | 1,167,694 | $154.1M | 0.46% | −136,922−10.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 1,215,107 | $152.2M | 0.33% | +9,144+0.8% | Added |
| Royal London Asset Management Ltd | 1,142,783 | $150.8M | 0.38% | −1,011−0.1% | Reduced |
| CIBC Private Wealth Group, LLC | 1,136,760 | $148.9M | 0.29% | −9,485−0.8% | Reduced |
| Banque Pictet & Cie SA | 1,120,444 | $147.8M | 1.55% | +384,379+52.2% | Added |
| Keybank National Association | 1,119,024 | $147.7M | 0.61% | −15,497−1.4% | Reduced |
| Comerica Bank | 1,102,603 | $145.5M | 0.63% | −17,740−1.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,102,266 | $145.4M | 0.65% | +973,139+753.6% | Added |
| Rathbone Brothers plc | 1,075,242 | $141.9M | 0.82% | +46,008+4.5% | Added |
| Clark Capital Management Group, Inc. | 1,063,245 | $140.3M | 1.05% | +356,277+50.4% | Added |
| Panagora Asset Management Inc | 1,050,740 | $138.6M | 0.72% | −68,602−6.1% | Reduced |
| Captrust Financial Advisors | 1,048,886 | $138.4M | 0.51% | −111,891−9.6% | Reduced |
| State of Tennessee, Treasury Department | 1,045,006 | $137.9M | 0.51% | −24,598−2.3% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 1,026,121 | $135.2M | 0.52% | +111,662+12.2% | Added |
| Federated Hermes, Inc. | 1,023,047 | $135.0M | 0.31% | +94,729+10.2% | Added |
| Mn Services Vermogensbeheer B.V. | 1,018,199 | $134.4M | 0.98% | −185,400−15.4% | Reduced |
| APG Asset Management US Inc. | 1,014,859 | $132.9M | 0.77% | +336,836+49.7% | Added |
| Calamos Advisors LLC | 997,449 | $131.6M | 0.64% | +56,176+6.0% | Added |
| Woodline Partners LP | 976,017 | $128.8M | 1.19% | +181,561+22.9% | Added |
| Resona Asset Management Co.,Ltd. | 941,551 | $124.2M | 0.74% | +941,551 | New |
| Bank of Nova Scotia | 913,268 | $120.5M | 0.24% | −2,231,364−71.0% | Reduced |
| Advisor Group Holdings, Inc. | 910,200 | $120.1M | 0.27% | −391,914−30.1% | Reduced |
| Zacks Investment Management | 910,251 | $120.1M | 1.28% | +97,718+12.0% | Added |
| CIBC World Markets Inc. | 909,934 | $120.1M | 0.31% | −2,696−0.3% | Reduced |
| Fifth Third Bancorp | 881,761 | $116.3M | 0.46% | +19,407+2.3% | Added |
| Allspring Global Investments Holdings, LLC | 879,086 | $116.0M | 0.18% | +11,011+1.3% | Added |