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 | 3,812 | $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 | 3,501 | $221.8B |
| Q2 2024 | 3,557 | $242.3B |
| Q1 2024 | 3,546 | $256.9B |
| Q4 2023 | 3,443 | $211.6B |
| Q3 2023 | 3,221 | $197.7B |
| Q2 2023 | 3,261 | $222.8B |
| Q1 2023 | 3,187 | $205.1B |
| Q4 2022 | 3,243 | $212.2B |
| Q3 2022 | 2,996 | $162.7B |
| Q2 2022 | 3,019 | $171.5B |
| Q1 2022 | 2,961 | $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 |
|---|---|---|---|---|---|
| Oppenheimer Asset Management Inc. | 477,629 | $42.9M | 0.53% | −1,117−0.2% | Reduced |
| 1832 Asset Management L.P. | 476,138 | $42.7M | 0.08% | −15,376−3.1% | Reduced |
| Donaldson Capital Management, LLC | 475,778 | $42.7M | 1.61% | +6,027+1.3% | Added |
| DJE Kapital AG | 458,416 | $40.8M | 1.21% | −14,259−3.0% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 453,139 | $40.7M | 0.14% | +2,348+0.5% | Added |
| Fukoku Mutual Life Insurance Co | 450,729 | $40.5M | 2.99% | +743+0.2% | Added |
| Fiduciary Trust Co | 449,179 | $40.3M | 0.53% | +33,280+8.0% | Added |
| Nichols & Pratt Advisers LLP | 447,663 | $40.1M | 2.74% | −4,080−0.9% | Reduced |
| Benjamin Edwards Inc | 444,627 | $39.9M | 0.56% | +53,177+13.6% | Added |
| Pinnacle Associates Ltd | 443,373 | $39.8M | 0.58% | −25,530−5.4% | Reduced |
| Illinois Municipal Retirement Fund | 443,021 | $39.8M | 0.58% | −14,905−3.3% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 442,030 | $39.7M | 0.41% | +22,319+5.3% | Added |
| S&CO Inc | 426,583 | $38.3M | 2.57% | +23,216+5.8% | Added |
| AE Wealth Management LLC | 424,574 | $38.1M | 0.32% | −136,797−24.4% | Reduced |
| TownSquare Capital, LLC | 423,604 | $38.0M | 0.40% | +16,816+4.1% | Added |
| Utah Retirement Systems | 420,144 | $37.7M | 0.44% | −566−0.1% | Reduced |
| USS Investment Management Ltd | 417,722 | $37.5M | 0.28% | −192,358−31.5% | Reduced |
| Trexquant Investment LP | 415,961 | $37.3M | 0.43% | +386,555+1,314.5% | Added |
| Systematic Alpha Investments, LLC | 410,682 | $36.9M | 1.41% | 00.0% | Unchanged |
| CORDA Investment Management, LLC. | 410,363 | $36.8M | 2.93% | +93,219+29.4% | Added |
| GWM Advisors LLC | 406,366 | $36.5M | 0.22% | −4,357−1.1% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 403,000 | $36.2M | 0.32% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 399,284 | $35.8M | 0.22% | −46,275−10.4% | Reduced |
| Gotham Asset Management, LLC | 395,415 | $35.5M | 0.30% | −29,603−7.0% | Reduced |
| RNC Capital Management LLC | 393,687 | $35.3M | 1.80% | +105,798+36.7% | Added |
| LGT Group Foundation | 393,598 | $35.3M | 0.49% | −28,984−6.9% | Reduced |
| Vaughan David Investments LLC | 391,679 | $35.2M | 0.82% | +4,430+1.1% | Added |
| United Services Automobile Association | 390,520 | $34.8M | 1.07% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 387,991 | $34.8M | 0.24% | −62,615−13.9% | Reduced |
| Varma Mutual Pension Insurance Co | 382,074 | $34.3M | 0.29% | −43,100−10.1% | Reduced |
| Jane Street Group, LLC | 379,692 | $34.1M | 0.06% | −22,040−5.5% | Reduced |
| Northwest & Ethical Investments L.P. | 375,692 | $33.7M | 0.91% | +84,063+28.8% | Added |
| WestEnd Advisors, LLC | 371,727 | $33.4M | 0.89% | +1,638+0.4% | Added |
| Glenview Trust Co | 371,526 | $33.3M | 0.65% | +29,536+8.6% | Added |
| Meyer Handelman Co | 370,222 | $33.2M | 1.16% | +6,390+1.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 369,468 | $33.2M | 0.34% | +481+0.1% | Added |
| Miller Howard Investments Inc | 364,668 | $32.7M | 1.04% | −3,949−1.1% | Reduced |
| Hudson Bay Capital Management LP | 362,540 | $32.5M | 0.21% | +109,892+43.5% | Added |
| Jump Financial, LLC | 362,145 | $32.5M | 0.49% | +362,145 | New |
| Wesbanco Bank Inc | 356,459 | $32.0M | 1.11% | −11,960−3.2% | Reduced |
| Gabelli Funds LLC | 349,615 | $31.4M | 0.24% | −4,590−1.3% | Reduced |
| CIBC World Markets Corp | 348,424 | $31.3M | 0.25% | −192,325−35.6% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 393,674 | $31.0M | 0.30% | −12,871−3.2% | Reduced |
| Federation des caisses Desjardins du Quebec | 344,817 | $31.0M | 0.15% | −16,661−4.6% | Reduced |
| Vontobel Holding Ltd. | 344,702 | $30.9M | 0.11% | −7,744−2.2% | Reduced |
| La Banque Postale Asset Management SA | 344,424 | $30.9M | 0.48% | −24,363−6.6% | Reduced |
| State of Alaska, Department of Revenue | 342,089 | $30.7M | 0.35% | +7,965+2.4% | Added |
| Prudential PLC | 341,810 | $30.7M | 0.15% | +31,758+10.2% | Added |
| New York Life Investment Management LLC | 341,792 | $30.7M | 0.31% | −2,210−0.6% | Reduced |
| Smith Chas P & Associates Pa Cpas | 341,235 | $30.6M | 1.78% | +11,244+3.4% | Added |
| Alps Advisors Inc | 337,601 | $30.3M | 0.18% | +2,845+0.8% | Added |
| Welch & Forbes LLC | 337,558 | $30.3M | 0.40% | −22,924−6.4% | Reduced |
| Capital Investment Advisors, LLC | 336,947 | $30.2M | 0.59% | +16,371+5.1% | Added |
| Spears Abacus Advisors LLC | 335,057 | $30.1M | 0.65% | +7,260+2.2% | Added |
| Pinebridge Investments, L.P. | 333,796 | $30.0M | 0.24% | −62,957−15.9% | Reduced |
| Sapient Capital LLC | 329,792 | $29.9M | 0.59% | −660.0% | Reduced |
| Private Wealth Partners, LLC | 330,487 | $29.7M | 2.46% | +1,316+0.4% | Added |
| RMB Capital Management, LLC | 326,801 | $29.5M | 0.73% | +114,757+54.1% | Added |
| Quantinno Capital Management LP | 328,445 | $29.5M | 0.19% | +94,897+40.6% | Added |
| Nissay Asset Management Corp | 326,940 | $29.3M | 0.19% | +1,621+0.5% | Added |
| Martingale Asset Management L P | 326,878 | $29.3M | 0.75% | −13,631−4.0% | Reduced |
| Stephens Inc | 326,364 | $29.3M | 0.43% | −123,265−27.4% | Reduced |
| Armistice Capital, LLC | 324,039 | $29.1M | 0.78% | +324,039 | New |
| Deprince Race & Zollo Inc | 323,827 | $29.1M | 0.60% | −1,957−0.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 321,772 | $28.9M | 0.06% | +23,020+7.7% | Added |
| Citizens Financial Group Inc | 320,445 | $28.8M | 0.57% | +89,123+38.5% | Added |
| Bradley Foster & Sargent Inc | 320,867 | $28.8M | 0.49% | −86,362−21.2% | Reduced |
| Heritage Investors Management Corp | 320,847 | $28.8M | 0.99% | +15,236+5.0% | Added |
| Waters Parkerson & Co., LLC | 320,417 | $28.8M | 1.53% | +12,395+4.0% | Added |
| Banco Santander, S.A. | 316,913 | $28.4M | 0.31% | −190,114−37.5% | Reduced |
| Northwestern Mutual Wealth Management Co | 314,492 | $28.2M | 0.02% | +7,496+2.4% | Added |
| Toroso Investments, LLC | 314,222 | $28.2M | 0.24% | −8,969−2.8% | Reduced |
| Becker Capital Management Inc | 308,143 | $27.9M | 0.92% | +2,597+0.8% | Added |
| Kestra Advisory Services, LLC | 305,787 | $27.4M | 0.13% | −10,655−3.4% | Reduced |
| Private Advisor Group, LLC | 305,036 | $27.4M | 0.17% | −212,759−41.1% | Reduced |
| GW&K Investment Management, LLC | 304,601 | $27.3M | 0.25% | +62,041+25.6% | Added |
| Edmond de Rothschild Holding S.A. | 304,498 | $27.3M | 0.48% | +4,113+1.4% | Added |
| Teachers Retirement System of the State of Kentucky | 302,843 | $27.2M | 0.25% | −146,060−32.5% | Reduced |
| Cresset Asset Management, LLC | 299,627 | $27.1M | 0.14% | −1,539−0.5% | Reduced |
| Boston Common Asset Management, LLC | 300,345 | $27.0M | 0.82% | −19,346−6.1% | Reduced |
| Howard Capital Management Group, LLC | 297,183 | $26.7M | 2.08% | +1,943+0.7% | Added |
| Vestcor Inc | 296,778 | $26.6M | 0.90% | +14,270+5.1% | Added |
| JustInvest LLC | 296,146 | $26.6M | 0.39% | +2,902+1.0% | Added |
| Sabal Trust CO | 295,873 | $26.6M | 1.47% | −885−0.3% | Reduced |
| Douglass Winthrop Advisors, LLC | 295,733 | $26.5M | 0.50% | −19,726−6.3% | Reduced |
| Congress Wealth Management LLC | 294,544 | $26.5M | 0.32% | +63,404+27.4% | Added |
| Bryn Mawr Trust Co | 294,141 | $26.4M | 0.49% | −8,277−2.7% | Reduced |
| Mutual of America Capital Management LLC | 293,746 | $26.4M | 0.30% | −13,659−4.4% | Reduced |
| Federated Hermes, Inc. | 291,492 | $26.2M | 0.06% | −368,759−55.9% | Reduced |
| Schechter Investment Advisors, LLC | 291,300 | $26.1M | 2.15% | −852−0.3% | Reduced |
| Huntington National Bank | 290,892 | $26.1M | 0.19% | −15,584−5.1% | Reduced |
| Quintet Private Bank (Europe) S.A. | 290,556 | $26.1M | 1.54% | +13,382+4.8% | Added |
| Advisors Asset Management, Inc. | 287,780 | $25.8M | 0.49% | +31,065+12.1% | Added |
| Highland Capital Management, LLC | 287,656 | $25.8M | 1.54% | −16,560−5.4% | Reduced |
| Marathon Asset Mgmt Ltd | 283,481 | $25.7M | 0.78% | −31,751−10.1% | Reduced |
| Scotia Capital Inc. | 284,066 | $25.5M | 0.14% | −32,485−10.3% | Reduced |
| Ethic Inc. | 292,645 | $25.5M | 0.52% | +5,532+1.9% | Added |
| Eastern Bank | 283,525 | $25.4M | 0.50% | −169,159−37.4% | Reduced |
| Klingenstein Fields & Co LP | 283,321 | $25.4M | 1.08% | +2,465+0.9% | Added |
| Mizuho Markets Americas LLC | 282,900 | $25.4M | 0.55% | +282,900 | New |