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, 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
- 3,443
- +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
- 1,247 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 | 3,855 | $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, 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 |
|---|---|---|---|---|---|
| Beutel, Goodman & Co Ltd. | 2,430,612 | $265.0M | 1.41% | −1,690−0.1% | Reduced |
| Public Employees Retirement Association of Colorado | 2,410,732 | $262.8M | 1.21% | −12,102−0.5% | Reduced |
| KBC Group NV | 2,396,127 | $261.2M | 0.93% | +196,508+8.9% | Added |
| M&T Bank Corp | 2,347,960 | $256.0M | 0.94% | −29,847−1.3% | Reduced |
| AQR Capital Management LLC | 2,335,081 | $254.2M | 0.48% | −212,423−8.3% | Reduced |
| Two Sigma Investments, LP | 2,227,519 | $242.8M | 0.59% | +1,329,341+148.0% | Added |
| Qube Research & Technologies Ltd | 2,218,069 | $241.8M | 0.55% | +1,003,895+82.7% | Added |
| Baird Financial Group, Inc. | 2,182,951 | $238.0M | 0.54% | −199,862−8.4% | Reduced |
| Antipodes Partners Ltd | 2,174,904 | $237.1M | 7.41% | −95,095−4.2% | Reduced |
| ABN AMRO Bank N.V. | 2,141,241 | $234.6M | 3.85% | +55,268+2.6% | Added |
| Capital Research Global Investors | 2,039,825 | $222.4M | 0.05% | −4590.0% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 2,039,660 | $222.4M | 1.29% | +79,578+4.1% | Added |
| US Bancorp | 2,026,692 | $221.0M | 0.33% | −54,259−2.6% | Reduced |
| Thornburg Investment Management Inc | 2,015,581 | $219.7M | 3.17% | −5300.0% | Reduced |
| Russell Investments Group, Ltd. | 2,004,275 | $218.4M | 0.39% | −80,586−3.9% | Reduced |
| Mackenzie Financial Corp | 1,995,284 | $217.5M | 0.33% | +299,077+17.6% | Added |
| Bridgewater Associates, LP | 1,957,062 | $213.4M | 1.19% | +333,814+20.6% | Added |
| Natixis | 1,917,999 | $209.1M | 1.58% | +1,034,806+117.2% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 1,906,060 | $207.8M | 0.49% | −217,659−10.2% | Reduced |
| Cullen Capital Management LLC | 1,905,049 | $207.7M | 3.08% | −546,678−22.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,895,823 | $206.7M | 0.43% | −963,016−33.7% | Reduced |
| Thrivent Financial for Lutherans | 1,782,959 | $194.4M | 0.42% | −164,613−8.5% | Reduced |
| Aviva PLC | 1,769,973 | $193.0M | 0.69% | −19,963−1.1% | Reduced |
| Toronto Dominion Bank | 1,758,403 | $191.7M | 0.28% | +119,597+7.3% | Added |
| Storebrand Asset Management AS | 1,755,213 | $191.4M | 0.69% | +108,664+6.6% | Added |
| Janney Montgomery Scott LLC | 1,753,390 | $191.2M | 0.62% | −116,212−6.2% | Reduced |
| Kempen Capital Management N.V. | 1,728,517 | $188.4M | 2.63% | +248,027+16.8% | Added |
| Kames Capital plc | 1,715,668 | $187.0M | 2.98% | +1,715,668 | New |
| Point72 Asset Management, L.P. | 1,707,836 | $186.2M | 0.56% | +1,449,484+561.1% | Added |
| Handelsbanken Fonder AB | 1,706,892 | $186.1M | 0.90% | +62,026+3.8% | Added |
| King Luther Capital Management Corp | 1,654,257 | $180.3M | 0.87% | −53,763−3.1% | Reduced |
| Bessemer Group Inc | 1,641,173 | $178.9M | 0.35% | +16,749+1.0% | Added |
| STRS Ohio | 1,632,832 | $178.0M | 0.74% | −33,377−2.0% | Reduced |
| Eagle Asset Management Inc | 1,619,790 | $176.6M | 0.95% | −46,127−2.8% | Reduced |
| Jennison Associates LLC | 1,601,018 | $174.5M | 0.13% | +37,765+2.4% | Added |
| Mariner, LLC | 1,587,865 | $173.1M | 0.41% | −7,644−0.5% | Reduced |
| Pictet Asset Management Holding SA | 1,587,560 | $173.1M | 0.19% | −167,489−9.5% | Reduced |
| American Century Companies Inc | 1,584,976 | $172.8M | 0.12% | −86,226−5.2% | Reduced |
| Lazard Freres Gestion S.A.S. | 1,584,394 | $168.3M | 4.84% | −16,253−1.0% | Reduced |
| BNP Paribas Arbitrage, SA | 1,528,959 | $166.7M | 0.30% | −588,665−27.8% | Reduced |
| Railway Pension Investments Ltd | 1,505,236 | $164.1M | 1.69% | −53,914−3.5% | Reduced |
| SEI Investments Co | 1,482,534 | $161.6M | 0.26% | −34,991−2.3% | Reduced |
| Commonwealth Equity Services, LLC | 1,472,087 | $160.5M | 0.29% | +24,966+1.7% | Added |
| Chevy Chase Trust Holdings, Inc. | 1,470,889 | $160.4M | 0.57% | −14,246−1.0% | Reduced |
| Regions Financial Corp | 1,445,970 | $157.6M | 1.30% | −11,517−0.8% | Reduced |
| State of New Jersey Common Pension Fund D | 1,445,672 | $157.6M | 0.53% | 00.0% | Unchanged |
| Retirement Systems of Alabama | 1,431,576 | $156.1M | 0.66% | −15,281−1.1% | Reduced |
| State of Wisconsin Investment Board | 1,417,099 | $154.5M | 0.44% | −20,803−1.4% | Reduced |
| Voya Investment Management LLC | 1,408,361 | $153.5M | 0.16% | −71,168−4.8% | Reduced |
| Magnetar Financial LLC | 1,396,487 | $152.2M | 3.88% | +109,719+8.5% | Added |
| Squarepoint Ops LLC | 1,395,711 | $152.2M | 0.62% | +462,300+49.5% | Added |
| Rockefeller Capital Management L.P. | 1,391,344 | $151.7M | 0.51% | +200,274+16.8% | Added |
| Public Employees Retirement System of Ohio | 1,383,151 | $150.8M | 0.60% | −36,411−2.6% | Reduced |
| SRB Corp | 1,327,587 | $144.7M | 8.55% | −477,777−26.5% | Reduced |
| AXA S.A. | 1,304,616 | $142.2M | 0.46% | −241,388−15.6% | Reduced |
| Advisor Group Holdings, Inc. | 1,302,114 | $142.0M | 0.25% | −452,164−25.8% | Reduced |
| ING Groep NV | 1,299,924 | $141.7M | 1.14% | +740,151+132.2% | Added |
| Commerce Bank | 1,296,884 | $141.4M | 1.01% | −41,816−3.1% | Reduced |
| Boston Partners | 1,295,264 | $141.3M | 0.19% | −95,976−6.9% | Reduced |
| Asset Management One Co.,Ltd. | 1,298,041 | $141.2M | 0.57% | −92,421−6.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 1,286,224 | $140.2M | 0.65% | +675,787+110.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,282,303 | $139.8M | 0.54% | +50,423+4.1% | Added |
| Treasurer of the State of North Carolina | 1,249,641 | $136.2M | 0.66% | +10,871+0.9% | Added |
| Epoch Investment Partners, Inc. | 1,216,281 | $132.6M | 0.60% | −147,117−10.8% | Reduced |
| Cerity Partners LLC | 1,210,596 | $132.2M | 0.44% | +340,073+39.1% | Added |
| Brandywine Global Investment Management, LLC | 1,209,658 | $131.9M | 1.06% | −53,635−4.2% | Reduced |
| Natixis Advisors, L.P. | 1,207,024 | $131.6M | 0.35% | +30,481+2.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,205,963 | $131.4M | 0.27% | +29,493+2.5% | Added |
| Mn Services Vermogensbeheer B.V. | 1,203,599 | $131.2M | 1.18% | −29,700−2.4% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 1,193,782 | $130.1M | 0.38% | +115,805+10.7% | Added |
| Employees Provident Fund Board | 1,184,513 | $129.1M | 2.52% | +216,111+22.3% | Added |
| Lazard Asset Management LLC | 1,166,612 | $127.2M | 0.16% | −347,801−23.0% | Reduced |
| Nomura Asset Management Co Ltd | 1,165,086 | $127.0M | 0.52% | +29,674+2.6% | Added |
| Assenagon Asset Management S.A. | 1,164,687 | $127.0M | 0.39% | −181,345−13.5% | Reduced |
| Captrust Financial Advisors | 1,160,777 | $126.5M | 0.44% | +27,178+2.4% | Added |
| CIBC Private Wealth Group, LLC | 1,146,245 | $125.0M | 0.26% | +35,684+3.2% | Added |
| Royal London Asset Management Ltd | 1,143,794 | $124.7M | 0.36% | +23,830+2.1% | Added |
| Keybank National Association | 1,134,521 | $123.7M | 0.55% | −18,685−1.6% | Reduced |
| Brandes Investment Partners, LP | 1,129,149 | $123.1M | 1.87% | +140,301+14.2% | Added |
| Comerica Bank | 1,120,343 | $122.1M | 0.56% | −19,953−1.7% | Reduced |
| Panagora Asset Management Inc | 1,119,342 | $122.0M | 0.68% | +487,428+77.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,074,024 | $117.1M | 0.33% | −7,638−0.7% | Reduced |
| State of Tennessee, Treasury Department | 1,069,604 | $116.6M | 0.46% | −153,197−12.5% | Reduced |
| OrbiMed Advisors LLC | 1,055,000 | $115.0M | 2.30% | 00.0% | Unchanged |
| Great Lakes Advisors, LLC | 1,030,880 | $112.4M | 1.07% | −31,788−3.0% | Reduced |
| Rathbone Brothers plc | 1,029,234 | $112.2M | 0.72% | +77,135+8.1% | Added |
| Susquehanna International Group, LLP | 1,012,116 | $110.3M | 0.19% | −497,369−32.9% | Reduced |
| Calamos Advisors LLC | 941,273 | $102.6M | 0.53% | −29,334−3.0% | Reduced |
| Federated Hermes, Inc. | 928,318 | $101.2M | 0.25% | −10,639−1.1% | Reduced |
| CIBC World Markets Inc. | 912,630 | $99.5M | 0.28% | +10,740+1.2% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 914,459 | $98.7M | 0.44% | −1,157,264−55.9% | Reduced |
| Ci Investments Inc. | 903,564 | $98.5M | 0.51% | −62,575−6.5% | Reduced |
| Man Group plc | 894,387 | $97.5M | 0.28% | – | – |
| Quilter Plc | 876,878 | $95.6M | 3.23% | +30,923+3.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 875,200 | $95.4M | 0.34% | +679,200+346.5% | Added |
| Penserra Capital Management LLC | 873,295 | $95.2M | 1.79% | −218,074−20.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 868,075 | $94.6M | 0.16% | −75,535−8.0% | Reduced |
| Public Sector Pension Investment Board | 865,003 | $94.3M | 0.72% | −712,390−45.2% | Reduced |
| Fifth Third Bancorp | 862,354 | $94.0M | 0.40% | −69,714−7.5% | Reduced |
| Sofinnova Investments, Inc. | 857,971 | $93.5M | 5.24% | +129,567+17.8% | Added |