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 2025
Institutional positions in Merck & Co., Inc. as of Mar 31, 2025. 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
- 3,459
- −96 vs. Q4 2024
- Shares held
- 1.98B
- +20.8M (+1.1%) vs. Q4 2024
- Total value
- $177.7B
- −$17.2B (−8.8%) vs. Q4 2024
- New holders
- 180
- 1,354 more added
- Sold out
- 276
- 1,598 more reduced
63 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| APG Asset Management N.V. | 2,685,193 | $223.1M | 0.69% | +29,698+1.1% | Added |
| State Board of Administration of Florida Retirement System | 2,452,521 | $220.1M | 0.44% | +1,590+0.1% | Added |
| KBC Group NV | 2,389,033 | $214.4M | 0.67% | −227,229−8.7% | Reduced |
| Cullen Capital Management LLC | 2,236,676 | $200.8M | 2.32% | +270,966+13.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 2,234,019 | $200.5M | 0.52% | +456,308+25.7% | Added |
| TD Asset Management Inc | 2,231,935 | $200.3M | 0.18% | −152,254−6.4% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 2,226,669 | $199.9M | 0.40% | +35,075+1.6% | Added |
| ING Groep NV | 2,223,042 | $199.5M | 1.38% | +838,530+60.6% | Added |
| Two Sigma Investments, LP | 2,200,701 | $197.5M | 0.43% | +271,872+14.1% | Added |
| New York State Teachers Retirement System | 2,171,602 | $194.9M | 0.45% | −93,982−4.1% | Reduced |
| Candriam Luxembourg S.C.A. | 2,148,488 | $192.8M | 1.21% | −68,935−3.1% | Reduced |
| Truist Financial Corp | 2,136,260 | $191.8M | 0.31% | −1,211,541−36.2% | Reduced |
| Citadel Advisors LLC | 2,048,739 | $183.9M | 0.18% | −3,232,971−61.2% | Reduced |
| AMF Pensionsforsakring AB | 2,028,054 | $182.4M | 1.35% | −813,527−28.6% | Reduced |
| Adage Capital Partners GP, L.L.C. | 2,026,500 | $181.9M | 0.34% | +530,939+35.5% | Added |
| M&T Bank Corp | 1,997,919 | $179.3M | 0.65% | −149,894−7.0% | Reduced |
| Cerity Partners LLC | 1,985,822 | $178.3M | 0.37% | +211,541+11.9% | Added |
| Korea Investment CORP | 1,972,616 | $177.1M | 0.43% | −22,734−1.1% | Reduced |
| Antipodes Partners Ltd | 1,967,970 | $176.7M | 5.53% | +119,339+6.5% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 1,920,890 | $172.4M | 0.85% | +59,386+3.2% | Added |
| Allianz Asset Management GmbH | 1,890,976 | $169.7M | 0.25% | +256,488+15.7% | Added |
| Janney Montgomery Scott LLC | 1,887,396 | $169.4M | 0.48% | −15,113−0.8% | Reduced |
| ABN AMRO Bank N.V. | 1,881,428 | $168.5M | 2.33% | −913,772−32.7% | Reduced |
| Worldquant Millennium Advisors LLC | 1,866,545 | $167.5M | 1.06% | +151,324+8.8% | Added |
| Danske Bank A/S | 1,838,464 | $165.0M | 0.50% | −47,882−2.5% | Reduced |
| Ci Investments Inc. | 1,837,492 | $164.9M | 0.70% | +89,257+5.1% | Added |
| US Bancorp | 1,817,474 | $163.1M | 0.22% | −94,723−5.0% | Reduced |
| Brandes Investment Partners, LP | 1,816,250 | $163.0M | 1.66% | +283,535+18.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,800,643 | $160.9M | 0.66% | +826,385+84.8% | Added |
| SEI Investments Co | 1,791,941 | $160.9M | 0.21% | +127,847+7.7% | Added |
| Handelsbanken Fonder AB | 1,765,174 | $158.4M | 0.65% | −1,332,476−43.0% | Reduced |
| Storebrand Asset Management AS | 1,709,271 | $153.4M | 0.50% | −89,820−5.0% | Reduced |
| Pictet Asset Management Holding SA | 1,674,491 | $150.3M | 0.17% | −81,742−4.7% | Reduced |
| Voloridge Investment Management, LLC | 1,673,894 | $150.2M | 0.56% | −646,912−27.9% | Reduced |
| Schroder Investment Management Group | 1,650,341 | $148.1M | 0.15% | −3,483,219−67.9% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 1,646,903 | $147.8M | 0.28% | +86,412+5.5% | Added |
| Alecta Pensionsforsakring, Omsesidigt | 1,640,300 | $147.1M | 0.82% | −338,600−17.1% | Reduced |
| Public Employees Retirement Association of Colorado | 1,612,337 | $144.7M | 0.62% | −681,051−29.7% | Reduced |
| State of Wisconsin Investment Board | 1,553,755 | $139.5M | 0.36% | +53,834+3.6% | Added |
| Nomura Asset Management Co Ltd | 1,538,963 | $138.1M | 0.42% | +47,024+3.2% | Added |
| Intech Investment Management LLC | 1,512,900 | $135.8M | 1.40% | +628,327+71.0% | Added |
| Employees Provident Fund Board | 1,510,034 | $135.5M | 1.54% | +458,969+43.7% | Added |
| Kovitz Investment Group Partners, LLC | 1,507,906 | $135.3M | 0.68% | +167,772+12.5% | Added |
| Bessemer Group Inc | 1,499,908 | $134.6M | 0.24% | −128,225−7.9% | Reduced |
| Commonwealth Equity Services, LLC | 1,483,192 | $133.1M | 0.19% | −22,126−1.5% | Reduced |
| Thrivent Financial for Lutherans | 1,467,661 | $132.3M | 0.29% | −73,678−4.8% | Reduced |
| Natixis Advisors, L.P. | 1,463,652 | $131.4M | 0.24% | −175,562−10.7% | Reduced |
| Natixis | 1,453,078 | $129.7M | 0.76% | +1,103,453+315.6% | Added |
| Baird Financial Group, Inc. | 1,438,922 | $129.2M | 0.25% | −499,779−25.8% | Reduced |
| Mondrian Investment Partners LTD | 1,433,392 | $128.7M | 2.20% | +278,925+24.2% | Added |
| Capital Fund Management S.A. | 1,396,905 | $125.4M | 1.60% | +612,690+78.1% | Added |
| Chevy Chase Trust Holdings, Inc. | 1,368,548 | $122.8M | 0.39% | −1,878−0.1% | Reduced |
| King Luther Capital Management Corp | 1,368,037 | $122.8M | 0.57% | −349,697−20.4% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,342,615 | $120.5M | 0.48% | −34,822−2.5% | Reduced |
| Regions Financial Corp | 1,335,091 | $119.8M | 0.89% | −97,729−6.8% | Reduced |
| Artisan Partners Limited Partnership | 1,327,248 | $119.1M | 0.19% | +273,372+25.9% | Added |
| AXA S.A. | 1,320,000 | $118.5M | 0.39% | +9,053+0.7% | Added |
| Neuberger Berman Group LLC | 1,317,117 | $118.2M | 0.10% | −69,310−5.0% | Reduced |
| Asset Management One Co.,Ltd. | 1,292,621 | $116.0M | 0.40% | +22,556+1.8% | Added |
| Brown Advisory Inc | 1,289,465 | $115.7M | 0.17% | −1,031,193−44.4% | Reduced |
| Toronto Dominion Bank | 1,279,657 | $114.9M | 0.29% | −121,064−8.6% | Reduced |
| SRB Corp | 1,245,536 | $111.8M | 7.29% | −51,897−4.0% | Reduced |
| Kames Capital plc | 1,241,524 | $111.3M | 1.62% | +235,575+23.4% | Added |
| KLP Kapitalforvaltning AS | 1,228,070 | $111.1M | 0.54% | +80,900+7.1% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1,233,817 | $110.7M | 0.13% | +358,626+41.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,216,101 | $109.2M | 0.29% | −264,908−17.9% | Reduced |
| Rockefeller Capital Management L.P. | 1,211,167 | $108.7M | 0.27% | +44,848+3.8% | Added |
| Colony Group, LLC | 1,191,176 | $107.0M | 0.27% | +60,866+5.4% | Added |
| Treasurer of the State of North Carolina | 1,185,782 | $106.4M | 0.42% | −39,636−3.2% | Reduced |
| Quilter Plc | 1,180,797 | $106.0M | 2.20% | +62,933+5.6% | Added |
| Mackenzie Financial Corp | 1,173,934 | $105.4M | 0.15% | −602,919−33.9% | Reduced |
| Captrust Financial Advisors | 1,170,029 | $105.0M | 0.26% | +69,025+6.3% | Added |
| Virginia Retirement Systems Et Al | 1,153,638 | $103.6M | 0.77% | +1,153,638 | New |
| Great Lakes Advisors, LLC | 1,154,959 | $103.5M | 0.93% | +13,648+1.2% | Added |
| Teacher Retirement System of Texas | 1,141,381 | $102.5M | 0.43% | −77,424−6.4% | Reduced |
| Banque Pictet & Cie SA | 1,114,571 | $100.0M | 1.07% | −87,339−7.3% | Reduced |
| Public Employees Retirement System of Ohio | 1,074,061 | $96.4M | 0.35% | −38,280−3.4% | Reduced |
| Public Sector Pension Investment Board | 1,048,898 | $94.1M | 0.41% | −1,423,239−57.6% | Reduced |
| Platinum Investment Management Ltd | 1,035,220 | $92.9M | 5.38% | +1,035,220 | New |
| Comerica Bank | 1,034,543 | $92.9M | 0.39% | −30,425−2.9% | Reduced |
| Davenport & Co LLC | 1,025,451 | $91.9M | 0.54% | +159,381+18.4% | Added |
| Zacks Investment Management | 1,014,312 | $91.0M | 0.85% | +39,854+4.1% | Added |
| Allspring Global Investments Holdings, LLC | 1,044,722 | $91.0M | 0.16% | −432,956−29.3% | Reduced |
| Creative Planning | 998,197 | $89.6M | 0.08% | +76,474+8.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 994,125 | $89.2M | 0.26% | −26,378−2.6% | Reduced |
| Raiffeisen Bank International AG | 973,716 | $86.9M | 1.39% | −19,186−1.9% | Reduced |
| STRS Ohio | 960,374 | $86.2M | 0.36% | −261,671−21.4% | Reduced |
| Blair William & Co | 941,399 | $84.5M | 0.25% | −67,564−6.7% | Reduced |
| Resona Asset Management Co.,Ltd. | 939,299 | $84.2M | 0.49% | +86,162+10.1% | Added |
| Voya Investment Management LLC | 937,917 | $84.2M | 0.09% | −879−0.1% | Reduced |
| Mn Services Vermogensbeheer B.V. | 933,199 | $83.8M | 0.65% | −67,700−6.8% | Reduced |
| Jupiter Asset Management Ltd | 932,832 | $83.7M | 0.80% | +932,832 | New |
| Sarasin & Partners LLP | 926,650 | $83.2M | 0.90% | +38,149+4.3% | Added |
| Lazard Freres Gestion S.A.S. | 923,260 | $82.9M | 2.02% | −659,042−41.7% | Reduced |
| Tredje AP-fonden | 922,794 | $82.8M | 0.77% | +118,965+14.8% | Added |
| Railway Pension Investments Ltd | 905,215 | $81.3M | 1.15% | +20,100+2.3% | Added |
| Causeway Capital Management LLC | 897,869 | $80.6M | 1.68% | +313,396+53.6% | Added |
| Credit Agricole S A | 895,577 | $80.4M | 0.30% | +469,444+110.2% | Added |
| UniSuper Management Pty Ltd | 894,509 | $80.3M | 0.60% | +9,800+1.1% | Added |
| State of Tennessee, Treasury Department | 893,652 | $80.2M | 0.31% | −35,902−3.9% | Reduced |