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 2023
Institutional positions in Merck & Co., Inc. as of Mar 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
- 3,187
- +15 vs. Q4 2022
- Shares held
- 1.99B
- +80.9M (+4.2%) vs. Q4 2022
- Total value
- $205.1B
- −$6.63B (−3.1%) vs. Q4 2022
- New holders
- 162
- 1,209 more added
- Sold out
- 147
- 1,449 more reduced
71 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CI Private Wealth, LLC | 2,446,368 | $260.3M | 0.70% | +705,674+40.5% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 2,445,667 | $260.2M | 0.64% | −4,334−0.2% | Reduced |
| Korea Investment CORP | 2,345,015 | $249.5M | 0.73% | −334,369−12.5% | Reduced |
| Public Employees Retirement Association of Colorado | 2,247,488 | $239.1M | 1.23% | −13,274−0.6% | Reduced |
| LPL Financial LLC | 2,223,975 | $236.6M | 0.18% | −63,348−2.8% | Reduced |
| US Bancorp | 2,212,977 | $235.4M | 0.40% | −13,966−0.6% | Reduced |
| Susquehanna International Group, LLP | 2,156,628 | $229.4M | 0.36% | +1,070,134+98.5% | Added |
| ABN AMRO Bank N.V. | 2,137,788 | $227.8M | 5.08% | +2,137,788 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,123,747 | $225.9M | 0.54% | +201,969+10.5% | Added |
| D. E. Shaw & Co., Inc. | 2,123,464 | $225.9M | 0.36% | +786,199+58.8% | Added |
| Thrivent Financial for Lutherans | 2,116,377 | $225.1M | 0.55% | −207,093−8.9% | Reduced |
| Beutel, Goodman & Co Ltd. | 2,055,437 | $218.7M | 1.29% | +51,000+2.5% | Added |
| American Century Companies Inc | 2,043,570 | $217.1M | 0.17% | −129,621−6.0% | Reduced |
| Capital Research Global Investors | 2,038,752 | $216.9M | 0.06% | +8580.0% | Added |
| Pictet Asset Management SA | 1,937,822 | $206.2M | 0.26% | +132,816+7.4% | Added |
| Parnassus Investments | 1,931,707 | $205.5M | 0.51% | 00.0% | Unchanged |
| KBC Group NV | 1,871,314 | $199.1M | 0.85% | −520,820−21.8% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 1,869,728 | $198.9M | 1.39% | −99,663−5.1% | Reduced |
| Antipodes Partners Ltd | 1,856,560 | $197.5M | 6.85% | +1,121+0.1% | Added |
| Janney Montgomery Scott LLC | 1,848,992 | $196.7M | 0.80% | −27,928−1.5% | Reduced |
| Toronto Dominion Bank | 1,832,693 | $194.9M | 0.32% | −487,782−21.0% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 1,809,914 | $192.6M | 1.22% | +38,462+2.2% | Added |
| SRB Corp | 1,808,678 | $192.4M | 12.11% | −39,729−2.1% | Reduced |
| Eagle Asset Management Inc | 1,778,838 | $189.3M | 1.11% | +45,360+2.6% | Added |
| BNP Paribas Arbitrage, SA | 1,756,797 | $186.9M | 0.40% | +260,682+17.4% | Added |
| Assenagon Asset Management S.A. | 1,756,773 | $186.9M | 0.74% | +257,964+17.2% | Added |
| STRS Ohio | 1,731,837 | $184.3M | 0.80% | −108,343−5.9% | Reduced |
| Railway Pension Investments Ltd | 1,661,650 | $176.8M | 1.81% | +43,200+2.7% | Added |
| King Luther Capital Management Corp | 1,652,276 | $175.8M | 0.93% | +25,429+1.6% | Added |
| State of Wisconsin Investment Board | 1,642,942 | $174.8M | 0.52% | +157,455+10.6% | Added |
| AXA S.A. | 1,782,957 | $174.7M | 0.60% | −400,302−18.3% | Reduced |
| Retirement Systems of Alabama | 1,622,493 | $172.6M | 0.75% | −62,851−3.7% | Reduced |
| Storebrand Asset Management AS | 1,610,342 | $171.3M | 0.87% | −6,754−0.4% | Reduced |
| SEI Investments Co | 1,594,775 | $169.7M | 0.32% | +219,647+16.0% | Added |
| Boston Partners | 1,577,213 | $167.9M | 0.23% | −36,290−2.2% | Reduced |
| Lazard Asset Management LLC | 1,549,317 | $164.8M | 0.22% | −29,611−1.9% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 1,532,180 | $163.0M | 0.65% | +11,099+0.7% | Added |
| Public Employees Retirement System of Ohio | 1,531,232 | $162.9M | 0.68% | −25,492−1.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,528,728 | $162.6M | 0.56% | +261,034+20.6% | Added |
| Thornburg Investment Management Inc | 1,508,266 | $160.5M | 2.65% | −51,828−3.3% | Reduced |
| Mariner, LLC | 1,508,173 | $160.4M | 0.47% | +61,407+4.2% | Added |
| Regions Financial Corp | 1,506,952 | $160.3M | 1.44% | −144,712−8.8% | Reduced |
| State of New Jersey Common Pension Fund D | 1,495,894 | $159.1M | 0.57% | +5,455+0.4% | Added |
| Voya Investment Management LLC | 1,479,279 | $157.4M | 0.17% | +26,683+1.8% | Added |
| Commonwealth Equity Services, LLC | 1,465,603 | $155.9M | 0.35% | −54,384−3.6% | Reduced |
| Bessemer Group Inc | 1,463,959 | $155.8M | 0.37% | +13,388+0.9% | Added |
| Brandywine Global Investment Management, LLC | 1,458,618 | $155.2M | 1.25% | −94,304−6.1% | Reduced |
| Asset Management One Co.,Ltd. | 1,444,498 | $153.7M | 0.70% | +11,614+0.8% | Added |
| Aviva PLC | 1,418,489 | $150.9M | 0.68% | −121,804−7.9% | Reduced |
| Advisor Group Holdings, Inc. | 1,394,745 | $149.1M | 0.28% | +1,214+0.1% | Added |
| Epoch Investment Partners, Inc. | 1,399,633 | $148.9M | 0.89% | +20,048+1.5% | Added |
| Lazard Freres Gestion S.A.S. | 1,566,296 | $144.7M | 5.34% | −90,391−5.5% | Reduced |
| Artemis Investment Management LLP | 1,352,760 | $143.6M | 1.77% | −187,792−12.2% | Reduced |
| State of Tennessee, Treasury Department | 1,334,699 | $142.0M | 0.63% | +95,765+7.7% | Added |
| Natixis Advisors, L.P. | 1,300,672 | $138.4M | 0.48% | +24,185+1.9% | Added |
| AMF Pensionsforsakring AB | 1,284,980 | $136.9M | 1.40% | −168,482−11.6% | Reduced |
| Virginia Retirement Systems Et Al | 1,278,393 | $136.0M | 1.41% | +87,699+7.4% | Added |
| Kempen Capital Management N.V. | 1,275,257 | $135.7M | 2.58% | +955,546+298.9% | Added |
| Mn Services Vermogensbeheer B.V. | 1,257,899 | $133.8M | 1.38% | +43,500+3.6% | Added |
| Treasurer of the State of North Carolina | 1,230,510 | $130.9M | 0.74% | +5,896+0.5% | Added |
| Nomura Asset Management Co Ltd | 1,219,196 | $129.7M | 0.68% | +110,835+10.0% | Added |
| Keybank National Association | 1,193,400 | $127.0M | 0.60% | −80,205−6.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,191,062 | $126.7M | 0.62% | +42,968+3.7% | Added |
| Jennison Associates LLC | 1,187,948 | $126.4M | 0.12% | −193,606−14.0% | Reduced |
| Zurich Insurance Group Ltd | 1,177,114 | $125.2M | 1.57% | −235,410−16.7% | Reduced |
| Cerity Partners LLC | 1,027,933 | $124.1M | 0.57% | +30,970+3.1% | Added |
| Commerce Bank | 1,165,843 | $124.0M | 0.97% | +234,676+25.2% | Added |
| Great Lakes Advisors, LLC | 1,162,460 | $123.7M | 1.12% | +548,448+89.3% | Added |
| Handelsbanken Fonder AB | 1,146,448 | $122.0M | 0.71% | −2,317−0.2% | Reduced |
| Zacks Investment Management | 1,141,266 | $121.4M | 1.63% | +27,806+2.5% | Added |
| Kames Capital plc | 1,135,057 | $120.7M | 2.11% | −114,822−9.2% | Reduced |
| Public Sector Pension Investment Board | 1,121,518 | $119.3M | 0.90% | −14,872−1.3% | Reduced |
| Rockefeller Capital Management L.P. | 1,090,643 | $116.0M | 0.50% | −23,211−2.1% | Reduced |
| Acadian Asset Management LLC | 1,065,610 | $113.3M | 0.50% | −113,606−9.6% | Reduced |
| Glenmede Trust Co NA | 1,026,307 | $109.2M | 0.62% | +122,755+13.6% | Added |
| Captrust Financial Advisors | 979,647 | $104.2M | 0.46% | +84,284+9.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 980,156 | $104.1M | 0.24% | −70,660−6.7% | Reduced |
| CIBC World Markets Inc. | 973,401 | $103.6M | 0.37% | −10,851−1.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 951,658 | $101.2M | 0.17% | +23,051+2.5% | Added |
| Brandes Investment Partners, LP | 946,061 | $100.7M | 2.14% | +68,383+7.8% | Added |
| National Bank of Canada | 936,223 | $99.8M | 0.27% | −517,494−35.6% | Reduced |
| Royal London Asset Management Ltd | 916,225 | $97.5M | 0.39% | +21,653+2.4% | Added |
| Bridgewater Associates, LP | 912,984 | $97.1M | 0.59% | −20,781−2.2% | Reduced |
| Fifth Third Bancorp | 908,902 | $96.7M | 0.45% | +4,306+0.5% | Added |
| Atalanta Sosnoff Capital, LLC | 906,399 | $96.4M | 2.80% | −23,908−2.6% | Reduced |
| Clark Capital Management Group, Inc. | 882,505 | $93.9M | 1.05% | −143,601−14.0% | Reduced |
| Crawford Investment Counsel Inc | 871,019 | $92.7M | 1.98% | −181,987−17.3% | Reduced |
| ING Groep NV | 859,982 | $91.5M | 0.89% | −5,528−0.6% | Reduced |
| Teacher Retirement System of Texas | 849,637 | $90.4M | 0.61% | +15,869+1.9% | Added |
| Guggenheim Capital LLC | 842,492 | $89.6M | 0.76% | −88,587−9.5% | Reduced |
| Haverford Trust Co | 842,082 | $89.6M | 1.07% | −138,489−14.1% | Reduced |
| Sofinnova Investments, Inc. | 841,522 | $89.5M | 6.07% | +238,166+39.5% | Added |
| Intech Investment Management LLC | 822,145 | $87.5M | 0.71% | +105,493+14.7% | Added |
| Magnetar Financial LLC | 820,663 | $87.3M | 1.70% | +322,435+64.7% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 816,030 | $86.8M | 1.17% | −16,900−2.0% | Reduced |
| Tocqueville Asset Management L.P. | 807,554 | $85.9M | 1.62% | −59,808−6.9% | Reduced |
| Nisa Investment Advisors, LLC | 774,146 | $82.4M | 0.65% | +7,711+1.0% | Added |
| Citadel Advisors LLC | 771,144 | $82.0M | 0.09% | −1,715,524−69.0% | Reduced |
| Impax Asset Management Group plc | 768,968 | $81.8M | 0.34% | +110,085+16.7% | Added |
| Penserra Capital Management LLC | 767,399 | $81.6M | 1.69% | −460,813−37.5% | Reduced |