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, Q2 2025
Institutional positions in Merck & Co., Inc. as of Jun 30, 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
- 3,337
- −73 vs. Q1 2025
- Shares held
- 1.97B
- −5.75M (−0.3%) vs. Q1 2025
- Total value
- $155.9B
- −$21.3B (−12.0%) vs. Q1 2025
- New holders
- 178
- 1,301 more added
- Sold out
- 251
- 1,540 more reduced
49 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 | 3,812 | $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, Q2 2025
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Two Sigma Investments, LP | 2,438,348 | $193.0M | 0.35% | +237,647+10.8% | Added |
| Bahl & Gaynor Inc | 2,435,932 | $192.8M | 0.98% | −1,304,663−34.9% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 2,326,092 | $184.1M | 0.33% | +99,423+4.5% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 2,308,513 | $182.7M | 0.42% | +74,494+3.3% | Added |
| Cullen Capital Management LLC | 2,276,476 | $180.2M | 2.05% | +39,800+1.8% | Added |
| Thrivent Financial for Lutherans | 2,221,342 | $175.8M | 0.38% | +753,681+51.4% | Added |
| New York State Teachers Retirement System | 2,175,214 | $172.2M | 0.36% | +3,612+0.2% | Added |
| Danske Bank A/S | 2,084,238 | $165.0M | 0.41% | +245,774+13.4% | Added |
| Allianz Asset Management GmbH | 2,083,175 | $164.9M | 0.22% | +192,199+10.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 2,045,163 | $161.9M | 0.56% | +244,520+13.6% | Added |
| TD Asset Management Inc | 1,991,252 | $157.6M | 0.13% | −240,683−10.8% | Reduced |
| Cerity Partners LLC | 1,986,725 | $157.3M | 0.28% | +9030.0% | Added |
| Korea Investment CORP | 1,975,258 | $156.4M | 0.35% | +2,642+0.1% | Added |
| Natixis Advisors, L.P. | 1,939,208 | $153.5M | 0.24% | +475,556+32.5% | Added |
| Brandes Investment Partners, LP | 1,912,228 | $151.4M | 1.37% | +95,978+5.3% | Added |
| Susquehanna International Group, LLP | 1,899,857 | $150.4M | 0.23% | +1,398,401+278.9% | Added |
| ABN AMRO Bank N.V. | 1,881,070 | $149.8M | 1.95% | −3580.0% | Reduced |
| Assenagon Asset Management S.A. | 1,878,132 | $148.7M | 0.24% | +1,391,088+285.6% | Added |
| Janney Montgomery Scott LLC | 1,844,405 | $146.0M | 0.38% | −42,991−2.3% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 1,827,741 | $144.7M | 0.63% | −93,149−4.8% | Reduced |
| Antipodes Partners Ltd | 1,814,260 | $143.6M | 4.45% | −153,710−7.8% | Reduced |
| Truist Financial Corp | 1,793,715 | $142.0M | 0.21% | −342,545−16.0% | Reduced |
| Voloridge Investment Management, LLC | 1,746,131 | $138.2M | 0.51% | +72,237+4.3% | Added |
| US Bancorp | 1,702,210 | $134.7M | 0.17% | −115,264−6.3% | Reduced |
| Storebrand Asset Management AS | 1,700,238 | $134.6M | 0.39% | −9,033−0.5% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 1,662,739 | $134.6M | 0.22% | +15,836+1.0% | Added |
| Employees Provident Fund Board | 1,689,034 | $133.7M | 1.16% | +179,000+11.9% | Added |
| Great Lakes Advisors, LLC | 1,655,535 | $131.1M | 1.10% | +500,576+43.3% | Added |
| Candriam Luxembourg S.C.A. | 1,654,099 | $130.9M | 0.76% | −494,389−23.0% | Reduced |
| Handelsbanken Fonder AB | 1,644,426 | $130.2M | 0.46% | −120,748−6.8% | Reduced |
| Alecta Pensionsforsakring, Omsesidigt | 1,640,300 | $129.7M | 0.61% | 00.0% | Unchanged |
| APG Asset Management N.V. | 1,901,744 | $128.2M | 0.38% | −783,449−29.2% | Reduced |
| M&T Bank Corp | 1,610,987 | $127.5M | 0.44% | −386,932−19.4% | Reduced |
| SEI Investments Co | 1,604,142 | $127.0M | 0.15% | −187,799−10.5% | Reduced |
| Capital Wealth Planning, LLC | 1,586,786 | $125.6M | 0.99% | +1,582,939+41,147.4% | Added |
| Nomura Asset Management Co Ltd | 1,545,028 | $122.3M | 0.34% | +6,065+0.4% | Added |
| Pictet Asset Management Holding SA | 1,535,075 | $121.5M | 0.12% | −139,416−8.3% | Reduced |
| Commonwealth Equity Services, LLC | 1,498,783 | $118.6M | 0.16% | +15,591+1.1% | Added |
| Bessemer Group Inc | 1,490,702 | $118.0M | 0.19% | −9,206−0.6% | Reduced |
| Schroder Investment Management Group | 1,488,218 | $117.8M | 0.10% | −162,123−9.8% | Reduced |
| State of Wisconsin Investment Board | 1,484,036 | $117.5M | 0.29% | −69,719−4.5% | Reduced |
| Virginia Retirement Systems Et Al | 1,455,238 | $115.2M | 0.79% | +301,600+26.1% | Added |
| Bank of Nova Scotia | 1,430,802 | $113.3M | 0.23% | −1,262,919−46.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,425,186 | $112.8M | 0.19% | −601,314−29.7% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 1,365,424 | $108.1M | 0.31% | −3,124−0.2% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1,342,906 | $106.3M | 0.11% | +109,089+8.8% | Added |
| Kames Capital plc | 1,332,723 | $105.4M | 1.35% | +91,199+7.3% | Added |
| Regions Financial Corp | 1,308,003 | $103.5M | 0.71% | −27,088−2.0% | Reduced |
| AXA S.A. | 1,306,332 | $103.4M | 0.30% | −13,668−1.0% | Reduced |
| Kovitz Investment Group Partners, LLC | 1,303,880 | $103.2M | 0.44% | −204,026−13.5% | Reduced |
| Artisan Partners Limited Partnership | 1,300,748 | $103.0M | 0.15% | −26,500−2.0% | Reduced |
| KLP Kapitalforvaltning AS | 1,280,070 | $102.2M | 0.44% | +52,000+4.2% | Added |
| Asset Management One Co.,Ltd. | 1,285,487 | $101.8M | 0.32% | −7,134−0.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,278,537 | $101.2M | 0.25% | +62,436+5.1% | Added |
| Brown Advisory Inc | 1,267,073 | $100.3M | 0.13% | −22,392−1.7% | Reduced |
| King Luther Capital Management Corp | 1,266,426 | $100.3M | 0.44% | −101,611−7.4% | Reduced |
| Baird Financial Group, Inc. | 1,247,166 | $98.7M | 0.17% | −191,756−13.3% | Reduced |
| Rockefeller Capital Management L.P. | 1,246,178 | $98.6M | 0.22% | +35,011+2.9% | Added |
| Neuberger Berman Group LLC | 1,242,707 | $98.4M | 0.08% | −74,410−5.6% | Reduced |
| Toronto Dominion Bank | 1,229,238 | $97.3M | 0.21% | −50,419−3.9% | Reduced |
| Captrust Financial Advisors | 1,224,274 | $96.9M | 0.22% | +54,245+4.6% | Added |
| Colony Group, LLC | 1,213,654 | $96.1M | 0.21% | +22,478+1.9% | Added |
| Quilter Plc | 1,179,483 | $93.4M | 1.70% | −1,314−0.1% | Reduced |
| Treasurer of the State of North Carolina | 1,177,028 | $93.2M | 0.30% | −8,754−0.7% | Reduced |
| Lazard Freres Gestion S.A.S. | 0 | $92.1M | 1.92% | −923,260−100.0% | Reduced |
| Bridgewater Associates, LP | 1,150,722 | $91.1M | 0.37% | +615,856+115.1% | Added |
| Railway Pension Investments Ltd | 1,146,315 | $90.7M | 1.28% | +241,100+26.6% | Added |
| Swiss Life Asset Management Ltd | 1,115,162 | $88.3M | 0.52% | +304,817+37.6% | Added |
| HRT Financial LP | 1,114,453 | $88.2M | 0.39% | +1,114,453 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,071,642 | $84.8M | 0.21% | +77,517+7.8% | Added |
| Mackenzie Financial Corp | 1,063,390 | $84.2M | 0.11% | −110,544−9.4% | Reduced |
| Teacher Retirement System of Texas | 1,063,054 | $84.2M | 0.35% | −78,327−6.9% | Reduced |
| STRS Ohio | 1,057,877 | $83.7M | 0.31% | +97,503+10.2% | Added |
| Public Employees Retirement System of Ohio | 1,036,969 | $82.1M | 0.28% | −37,092−3.5% | Reduced |
| Banque Pictet & Cie SA | 1,035,174 | $81.9M | 0.85% | −79,397−7.1% | Reduced |
| Intech Investment Management LLC | 1,034,726 | $81.9M | 0.77% | −478,174−31.6% | Reduced |
| Zacks Investment Management | 1,013,163 | $80.2M | 0.69% | −1,149−0.1% | Reduced |
| Comerica Bank | 1,005,405 | $79.6M | 0.31% | −29,138−2.8% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 992,534 | $78.6M | 0.77% | +782,299+372.1% | Added |
| Millennium Management LLC | 989,794 | $78.4M | 0.07% | −2,534,808−71.9% | Reduced |
| Causeway Capital Management LLC | 982,660 | $77.8M | 1.23% | +84,791+9.4% | Added |
| Resona Asset Management Co.,Ltd. | 981,679 | $77.7M | 0.38% | +42,380+4.5% | Added |
| CIBC World Markets Inc. | 978,816 | $77.5M | 0.17% | +91,980+10.4% | Added |
| Capital Fund Management S.A. | 953,553 | $75.5M | 0.83% | −443,352−31.7% | Reduced |
| Sarasin & Partners LLP | 947,096 | $75.0M | 0.75% | +20,446+2.2% | Added |
| Creative Planning | 944,651 | $74.8M | 0.06% | −53,546−5.4% | Reduced |
| Mn Services Vermogensbeheer B.V. | 940,699 | $74.5M | 0.52% | +7,500+0.8% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 930,129 | $73.6M | 0.68% | +137,300+17.3% | Added |
| UniSuper Management Pty Ltd | 926,778 | $73.4M | 0.49% | +32,269+3.6% | Added |
| MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH | 888,415 | $70.3M | 1.98% | +79,529+9.8% | Added |
| Platinum Investment Management Ltd | 875,820 | $69.3M | 4.61% | −159,400−15.4% | Reduced |
| Blair William & Co | 872,467 | $69.1M | 0.19% | −68,932−7.3% | Reduced |
| Keybank National Association | 865,580 | $68.5M | 0.25% | −26,593−3.0% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 857,724 | $67.9M | 1.23% | +857,724 | New |
| Jones Financial Companies LLLP | 853,896 | $67.6M | 0.05% | +55,988+7.0% | Added |
| State of Tennessee, Treasury Department | 852,960 | $67.5M | 0.24% | −40,692−4.6% | Reduced |
| State of New Jersey Common Pension Fund D | 850,055 | $67.3M | 0.26% | −4,014−0.5% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 837,707 | $66.3M | 0.38% | −47,526−5.4% | Reduced |
| Perpetual Ltd | 824,113 | $65.2M | 0.77% | +162,099+24.5% | Added |
| Nisa Investment Advisors, LLC | 809,798 | $64.8M | 0.29% | +132,370+19.5% | Added |