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 2021
Institutional positions in Merck & Co., Inc. as of Jun 30, 2021. 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
- 2,684
- +22 vs. Q1 2021
- Shares held
- 1.86B
- +10.7M (+0.6%) vs. Q1 2021
- Total value
- $144.3B
- +$2.07B (+1.5%) vs. Q1 2021
- New holders
- 136
- 1,285 more added
- Sold out
- 114
- 961 more reduced
31 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avalon Investment & Advisory | 829,361 | $64.5M | 1.43% | +108,123+15.0% | Added |
| Compagnie Lombard Odier SCmA | 821,357 | $63.9M | 1.40% | −27,404−3.2% | Reduced |
| Glenmede Trust Co NA | 814,832 | $63.4M | 0.33% | −320,527−28.2% | Reduced |
| B&D White Capital Company, LLC | 804,340 | $62.6M | 27.82% | +691,190+610.9% | Added |
| Value Partners Investments Inc. | 794,404 | $61.7M | 5.04% | +73,679+10.2% | Added |
| NFJ Investment Group, LLC | 652,557 | $61.4M | 1.16% | +136,329+26.4% | Added |
| Great Lakes Advisors, LLC | 786,748 | $61.2M | 0.92% | +57,244+7.8% | Added |
| Gateway Investment Advisers LLC | 780,667 | $60.7M | 0.62% | −1,792−0.2% | Reduced |
| Railway Pension Investments Ltd | 776,709 | $60.4M | 0.51% | −516,930−40.0% | Reduced |
| Sphera Funds Management Ltd. | 772,601 | $60.1M | 5.72% | −36,207−4.5% | Reduced |
| Edmond de Rothschild Holding S.A. | 771,514 | $60.0M | 1.39% | +134,362+21.1% | Added |
| Guggenheim Capital LLC | 765,575 | $59.5M | 0.35% | +84,133+12.3% | Added |
| Fifth Third Bancorp | 760,399 | $59.1M | 0.26% | −5,529−0.7% | Reduced |
| Calamos Advisors LLC | 759,439 | $59.1M | 0.29% | +115,257+17.9% | Added |
| Renaissance Technologies LLC | 758,800 | $59.0M | 0.07% | +251,366+49.5% | Added |
| State of Alaska, Department of Revenue | 750,449 | $58.4M | 0.59% | −19,519−2.5% | Reduced |
| Natixis Advisors, L.P. | 747,985 | $58.2M | 0.27% | +32,964+4.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 746,754 | $58.1M | 0.21% | +58,036+8.4% | Added |
| Sanders Capital, LLC | 737,342 | $57.3M | 0.13% | −10,040−1.3% | Reduced |
| Manning & Napier Group, LLC | 731,521 | $56.9M | 0.47% | +81,200+12.5% | Added |
| HRT Financial LP | 730,361 | $56.8M | 0.52% | +730,361 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 717,177 | $55.8M | 0.31% | −175,806−19.7% | Reduced |
| Kahn Brothers Group Inc | 716,329 | $55.7M | 7.98% | +9,443+1.3% | Added |
| Birch Hill Investment Advisors LLC | 715,194 | $55.6M | 2.99% | −22,918−3.1% | Reduced |
| Amalgamated Bank | 710,873 | $55.3M | 0.44% | +557,614+363.8% | Added |
| Arizona State Retirement System | 708,932 | $55.1M | 0.45% | −4,042−0.6% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 704,009 | $54.8M | 0.50% | −46,800−6.2% | Reduced |
| Letko, Brosseau & Associates Inc | 696,686 | $54.2M | 0.72% | −6,280−0.9% | Reduced |
| Rockefeller Capital Management L.P. | 688,091 | $53.5M | 0.30% | −36,563−5.0% | Reduced |
| RE Advisers Corp | 682,504 | $53.1M | 1.23% | −75,300−9.9% | Reduced |
| Los Angeles Capital Management LLC | 673,791 | $52.4M | 0.23% | −213,279−24.0% | Reduced |
| Capital Bank & Trust Co | 672,916 | $52.3M | 0.61% | −257,269−27.7% | Reduced |
| E. Ohman J:or Asset Management AB | 668,518 | $52.0M | 1.63% | +2,544+0.4% | Added |
| Nicholas Company, Inc. | 667,307 | $51.9M | 0.91% | +52,825+8.6% | Added |
| State of Michigan Retirement System | 659,017 | $51.3M | 0.30% | −164,000−19.9% | Reduced |
| Empire Life Investments Inc. | 657,827 | $51.2M | 3.29% | +248,174+60.6% | Added |
| Virginia Retirement Systems Et Al | 656,494 | $51.1M | 0.50% | −274,300−29.5% | Reduced |
| ProShare Advisors LLC | 654,767 | $50.9M | 0.15% | +82,428+14.4% | Added |
| Financial Counselors Inc | 650,912 | $50.6M | 1.10% | +22,608+3.6% | Added |
| Cacti Asset Management LLC | 654,278 | $50.5M | 4.16% | +3,500+0.5% | Added |
| Prio Wealth Limited Partnership | 646,888 | $50.3M | 1.70% | −2,145−0.3% | Reduced |
| SG Americas Securities, LLC | 637,143 | $49.6M | 0.26% | −2,386−0.4% | Reduced |
| Blair William & Co | 626,317 | $48.7M | 0.17% | −10,005−1.6% | Reduced |
| DnB Asset Management AS | 626,073 | $48.7M | 0.32% | +85,616+15.8% | Added |
| Vontobel Holding Ltd. | 626,321 | $48.4M | 0.42% | +31,336+5.3% | Added |
| Radnor Capital Management, LLC | 617,383 | $48.0M | 16.21% | +1,050+0.2% | Added |
| Banque Pictet & Cie SA | 610,267 | $47.5M | 0.53% | +17,247+2.9% | Added |
| Clark Capital Management Group, Inc. | 597,543 | $46.5M | 0.65% | +112,426+23.2% | Added |
| MetLife Investment Management | 587,047 | $45.7M | 0.40% | −15,926−2.6% | Reduced |
| Nichols & Pratt Advisers LLP | 581,682 | $45.2M | 3.41% | +3,615+0.6% | Added |
| Oregon Public Employees Retirement Fund | 581,578 | $45.2M | 0.51% | +66,013+12.8% | Added |
| Kornitzer Capital Management Inc | 578,937 | $45.0M | 0.68% | +6,245+1.1% | Added |
| Aristotle Atlantic Partners, LLC | 578,210 | $45.0M | 2.97% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 575,797 | $44.8M | 0.65% | +182,204+46.3% | Added |
| Cornerstone Investment Partners, LLC | 570,902 | $44.4M | 2.32% | −8,665−1.5% | Reduced |
| Edgar Lomax Co | 569,530 | $44.3M | 2.75% | −14,950−2.6% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 565,580 | $44.0M | 0.55% | +111,474+24.5% | Added |
| Peapack Gladstone Financial Corp | 562,320 | $43.7M | 1.05% | +24,402+4.5% | Added |
| Bradley Foster & Sargent Inc | 560,808 | $43.6M | 1.02% | −14,156−2.5% | Reduced |
| Forsta Ap-Fonden | 559,500 | $43.5M | 0.51% | +61,200+12.3% | Added |
| D.A. Davidson & Co. | 558,033 | $43.4M | 0.51% | +30,627+5.8% | Added |
| Northwestern Mutual Wealth Management Co | 543,970 | $42.3M | 0.08% | +26,348+5.1% | Added |
| Tekla Capital Management LLC | 541,703 | $42.1M | 1.37% | 00.0% | Unchanged |
| Miller Howard Investments Inc | 539,944 | $42.0M | 1.68% | −13,290−2.4% | Reduced |
| CIBC Asset Management Inc | 533,899 | $41.5M | 0.17% | +15,094+2.9% | Added |
| Alyeska Investment Group, L.P. | 531,678 | $41.3M | 0.48% | +531,678 | New |
| Loomis Sayles & Co L P | 530,635 | $41.3M | 0.05% | −68,897−11.5% | Reduced |
| Douglas Lane & Associates, LLC | 522,257 | $40.6M | 0.57% | +37,018+7.6% | Added |
| Primecap Management Co | 520,700 | $40.5M | 0.03% | −650,700−55.5% | Reduced |
| Neuberger Berman Group LLC | 536,177 | $40.0M | 0.03% | −1,573−0.3% | Reduced |
| Ergoteles LLC | 514,388 | $40.0M | 0.92% | +514,388 | New |
| Easterly Investment Partners LLC | 512,750 | $39.9M | 4.68% | +90,832+21.5% | Added |
| Quilter Plc | 511,761 | $39.8M | 1.14% | +38,055+8.0% | Added |
| Gulf International Bank (UK) Ltd | 510,899 | $39.7M | 0.51% | −1,869−0.4% | Reduced |
| MUFG Americas Holdings Corp | 500,203 | $38.9M | 0.72% | +16,700+3.5% | Added |
| Gabelli Funds LLC | 500,170 | $38.9M | 0.25% | +700+0.1% | Added |
| Employees Retirement System of Texas | 485,968 | $37.8M | 0.46% | +106,268+28.0% | Added |
| Boston Private Wealth LLC | 484,503 | $37.7M | 0.48% | +4,828+1.0% | Added |
| Utah Retirement Systems | 483,010 | $37.6M | 0.48% | −2,400−0.5% | Reduced |
| Impax Asset Management Group plc | 471,813 | $36.7M | 0.16% | +74,076+18.6% | Added |
| Millennium Management LLC | 469,283 | $36.5M | 0.05% | −558,319−54.3% | Reduced |
| British Columbia Investment Management Corp | 468,385 | $36.4M | 0.22% | +52,949+12.7% | Added |
| Swiss Life Asset Management Ltd | 589,631 | $36.4M | 0.48% | +12,437+2.2% | Added |
| Banco Santander, S.A. | 466,870 | $36.3M | 0.20% | +156,573+50.5% | Added |
| Fukoku Mutual Life Insurance Co | 466,623 | $36.3M | 2.91% | +143,000+44.2% | Added |
| CIBC World Markets Inc. | 463,298 | $36.0M | 0.11% | +41,270+9.8% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 455,771 | $35.4M | 1.36% | +1,198+0.3% | Added |
| Sector Gamma AS | 455,447 | $35.4M | 6.27% | −50,729−10.0% | Reduced |
| South Dakota Investment Council | 455,192 | $35.4M | 0.62% | −27,290−5.7% | Reduced |
| Rovida Advisors Inc. | 451,500 | $35.1M | 1.52% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 451,009 | $35.1M | 0.13% | +1,082+0.2% | Added |
| Cambridge Investment Research Advisors, Inc. | 447,605 | $34.8M | 0.17% | −14,566−3.2% | Reduced |
| Stephens Inc | 442,207 | $34.4M | 0.51% | +50,114+12.8% | Added |
| Trillium Asset Management, LLC | 439,312 | $34.1M | 0.94% | +7,172+1.7% | Added |
| Pinnacle Associates Ltd | 437,436 | $34.0M | 0.62% | +11,496+2.7% | Added |
| Fiduciary Trust Co | 434,900 | $33.8M | 0.65% | −11,581−2.6% | Reduced |
| Creative Planning | 429,680 | $33.4M | 0.06% | −12,353−2.8% | Reduced |
| Wesbanco Bank Inc | 428,854 | $33.4M | 1.24% | +20,108+4.9% | Added |
| Gofen & Glossberg LLC | 424,306 | $33.0M | 0.78% | +4,664+1.1% | Added |
| Scotia Capital Inc. | 423,279 | $32.9M | 0.25% | +51,610+13.9% | Added |