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, Q4 2025
Institutional positions in Merck & Co., Inc. as of Dec 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
- 3,674
- +428 vs. Q3 2025
- Shares held
- 1.96B
- +60.6M (+3.2%) vs. Q3 2025
- Total value
- $206.6B
- +$47.2B (+29.6%) vs. Q3 2025
- New holders
- 555
- 1,379 more added
- Sold out
- 127
- 1,404 more reduced
73 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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 | 3,501 | $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, Q4 2025
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Edge Wealth Management LLC | 123,106 | $13.0M | 2.29% | −1,581−1.3% | Reduced |
| Cyndeo Wealth Partners, LLC | 123,083 | $13.0M | 0.70% | +2,598+2.2% | Added |
| Brinker Capital Investments, LLC | 123,067 | $13.0M | 0.09% | +8,082+7.0% | Added |
| Coldstream Capital Management Inc | 121,842 | $12.8M | 0.17% | −1,524−1.2% | Reduced |
| Hennessy Advisors Inc | 121,850 | $12.8M | 0.45% | −3,450−2.8% | Reduced |
| Walleye Trading LLC | 121,097 | $12.7M | 0.21% | +67,700+126.8% | Added |
| FineMark National Bank & Trust | 121,064 | $12.7M | 0.40% | −2,302−1.9% | Reduced |
| L & S Advisors Inc | 120,990 | $12.7M | 1.18% | +102,592+557.6% | Added |
| Badgley Phelps Wealth Managers, LLC | 119,662 | $12.7M | 0.23% | −5,790−4.6% | Reduced |
| Banque Cantonale Vaudoise | 119,905 | $12.6M | 0.45% | +5,765+5.1% | Added |
| SlateStone Wealth, LLC | 119,387 | $12.6M | 1.05% | +477+0.4% | Added |
| First National Bank of Omaha | 118,700 | $12.6M | 0.37% | +85,885+261.7% | Added |
| Ashton Thomas Private Wealth, LLC | 118,175 | $12.5M | 0.31% | −49,784−29.6% | Reduced |
| Ninety One UK Ltd | 118,890 | $12.5M | 0.03% | −14,696−11.0% | Reduced |
| Prospera Financial Services Inc | 117,517 | $12.4M | 0.20% | +6,991+6.3% | Added |
| Auxier Asset Management | 117,346 | $12.4M | 1.74% | −1,218−1.0% | Reduced |
| SP Asset Management LLC | 117,105 | $12.3M | 0.97% | −1,100−0.9% | Reduced |
| Hamilton Wealth, LLC | 116,546 | $12.3M | 2.33% | −207−0.2% | Reduced |
| Farmers & Merchants Investments Inc | 116,482 | $12.3M | 0.34% | −6,660−5.4% | Reduced |
| Employees Retirement System of Texas | 116,454 | $12.3M | 0.10% | 00.0% | Unchanged |
| Matthew Goff Investment Advisor, LLC | 116,367 | $12.2M | 2.17% | −1,728−1.5% | Reduced |
| Nomura Holdings Inc | 116,312 | $12.2M | 0.03% | −35,417−23.3% | Reduced |
| First Horizon Corp | 116,195 | $12.2M | 0.55% | −3,426−2.9% | Reduced |
| Community Bank, N.A. | 115,751 | $12.2M | 1.44% | −257−0.2% | Reduced |
| Wallace Advisory Group, LLC | 115,430 | $12.2M | 12.75% | −234−0.2% | Reduced |
| Cantor Fitzgerald Investment Adviser L.P. | 115,101 | $12.1M | 0.90% | −31,580−21.5% | Reduced |
| New Mexico Educational Retirement Board | 114,586 | $12.1M | 0.36% | +1,100+1.0% | Added |
| Umb Bank N A | 114,153 | $12.0M | 0.16% | −6,324−5.2% | Reduced |
| Banco Santander, S.A. | 114,124 | $12.0M | 0.09% | −40,944−26.4% | Reduced |
| NLB Skladi, upravljanje premozenja, d.o.o. | 114,000 | $12.0M | 0.55% | +114,000 | New |
| GHP Investment Advisors, Inc. | 113,997 | $12.0M | 0.49% | +387+0.3% | Added |
| Camden National Bank | 113,711 | $12.0M | 1.65% | +720+0.6% | Added |
| Novare Capital Management LLC | 113,106 | $11.9M | 0.89% | +1,322+1.2% | Added |
| Griffin Asset Management, Inc. | 113,106 | $11.9M | 1.29% | +6,657+6.3% | Added |
| Claret Asset Management Corp | 112,955 | $11.9M | 1.38% | −506−0.4% | Reduced |
| Red Door Wealth Management, LLC | 112,157 | $11.8M | 1.23% | +7,300+7.0% | Added |
| Narwhal Capital Management | 111,743 | $11.8M | 0.85% | −24,562−18.0% | Reduced |
| Avantax Planning Partners, Inc. | 111,587 | $11.7M | 0.33% | +1,917+1.7% | Added |
| Columbia Asset Management | 111,534 | $11.7M | 2.09% | −1,605−1.4% | Reduced |
| Westend Capital Management, LLC | 111,430 | $11.7M | 3.29% | +107,905+3,061.1% | Added |
| Park National Corp | 111,325 | $11.7M | 0.37% | +63,950+135.0% | Added |
| Vise Technologies, Inc. | 110,677 | $11.6M | 0.23% | +37,158+50.5% | Added |
| Tema ETFs LLC | 110,620 | $11.6M | 0.90% | +31,887+40.5% | Added |
| Clearstead Advisors, LLC | 110,354 | $11.6M | 0.15% | −3,044−2.7% | Reduced |
| W.G. Shaheen & Associates DBA Whitney & Co | 110,343 | $11.6M | 0.92% | −219−0.2% | Reduced |
| Callan Family Office, LLC | 109,271 | $11.5M | 0.25% | +34,260+45.7% | Added |
| Central Trust Co | 109,192 | $11.5M | 0.23% | −790−0.7% | Reduced |
| Jacobs & Co | 109,069 | $11.5M | 1.08% | −229−0.2% | Reduced |
| Kepler Cheuvreux (Suisse) SA | 109,018 | $11.5M | 0.65% | −8,106−6.9% | Reduced |
| Linscomb & Williams, Inc. | 108,843 | $11.5M | 0.48% | +2,152+2.0% | Added |
| Naples Global Advisors, LLC | 107,975 | $11.5M | 0.86% | +57+0.1% | Added |
| Impax Asset Management Group plc | 108,550 | $11.4M | 0.07% | −35,415−24.6% | Reduced |
| Premier Fund Managers Ltd | 107,500 | $11.4M | 0.66% | +107,500 | New |
| Allianz SE | 107,831 | $11.4M | 0.15% | +7,117+7.1% | Added |
| Eldred Rock Partners, LLC | 107,416 | $11.3M | 2.93% | −13,464−11.1% | Reduced |
| Buckingham Strategic Partners | 107,183 | $11.3M | 0.14% | +3,035+2.9% | Added |
| Clark & Stuart, Inc | 106,384 | $11.3M | 7.77% | −1,764−1.6% | Reduced |
| CX Institutional | 106,569 | $11.2M | 0.33% | +9,768+10.1% | Added |
| Trust Co of Vermont | 106,545 | $11.2M | 0.47% | −528−0.5% | Reduced |
| Miramar Capital, LLC | 106,027 | $11.2M | 2.44% | −174−0.2% | Reduced |
| Purpose Unlimited Inc. | 104,944 | $11.0M | 0.51% | +104,944 | New |
| First Nebraska Trust Co | 104,081 | $11.0M | 1.00% | −220.0% | Reduced |
| Crestwood Advisors Group LLC | 103,929 | $10.9M | 0.18% | −1,844−1.7% | Reduced |
| Johnson Investment Counsel Inc | 103,841 | $10.9M | 0.09% | −6,592−6.0% | Reduced |
| Miracle Mile Advisors, LLC | 103,690 | $10.9M | 0.16% | +339+0.3% | Added |
| Hunter Perkins Capital Management, LLC | 102,496 | $10.9M | 2.51% | −10,315−9.1% | Reduced |
| Adviser Investments LLC | 102,862 | $10.8M | 0.12% | −8,889−8.0% | Reduced |
| Oddo BHF Asset Management SAS | 102,778 | $10.8M | 0.41% | +64,018+165.2% | Added |
| Brookstone Capital Management | 102,105 | $10.7M | 0.12% | −3,320−3.1% | Reduced |
| Patten & Patten Inc | 101,425 | $10.7M | 0.63% | −7,763−7.1% | Reduced |
| Associated Banc-Corp | 101,341 | $10.7M | 0.27% | +3,482+3.6% | Added |
| John G Ullman & Associates Inc | 101,322 | $10.7M | 1.42% | +2,616+2.7% | Added |
| Tompkins Financial Corp | 100,755 | $10.6M | 0.82% | −1,029−1.0% | Reduced |
| Mirae Asset Securities (USA) Inc. | 100,670 | $10.6M | 0.42% | +100,670 | New |
| Tufton Capital Management | 100,265 | $10.6M | 1.84% | −917−0.9% | Reduced |
| Viking Fund Management LLC | 100,000 | $10.5M | 1.22% | 00.0% | Unchanged |
| AG2R la Mondiale Gestion D'Actifs | 99,446 | $10.5M | 0.46% | +5,167+5.5% | Added |
| Independent Advisor Alliance | 98,968 | $10.4M | 0.25% | +10,706+12.1% | Added |
| Advocate Group LLC | 98,811 | $10.4M | 1.68% | +1,214+1.2% | Added |
| Choate Investment Advisors | 98,500 | $10.4M | 0.20% | +13,581+16.0% | Added |
| Estabrook Capital Management | 98,193 | $10.3M | 1.52% | −1,507−1.5% | Reduced |
| Moors & Cabot, Inc. | 97,972 | $10.3M | 0.44% | +5,726+6.2% | Added |
| Beck Mack & Oliver LLC | 97,926 | $10.3M | 0.19% | +1,027+1.1% | Added |
| Farther Finance Advisors, LLC | 97,818 | $10.3M | 0.11% | +32,114+48.9% | Added |
| M. Kulyk & Associates, LLC | 97,617 | $10.3M | 1.96% | +1,078+1.1% | Added |
| Trillium Asset Management, LLC | 96,193 | $10.2M | 0.31% | −9,034−8.6% | Reduced |
| Algert Global LLC | 97,332 | $10.2M | 0.16% | +8,617+9.7% | Added |
| Cardinal Capital Management | 96,293 | $10.2M | 1.35% | +1,353+1.4% | Added |
| Fort Sheridan Advisors LLC | 96,838 | $10.2M | 1.30% | +3,405+3.6% | Added |
| Kinneret Advisory, LLC | 96,009 | $10.2M | 0.86% | −2,627−2.7% | Reduced |
| Slocum, Gordon & Co LLP | 95,798 | $10.1M | 7.30% | +830+0.9% | Added |
| Marco Investment Management LLC | 95,530 | $10.1M | 0.75% | −925−1.0% | Reduced |
| 1st Source Bank | 95,176 | $10.0M | 0.53% | −891−0.9% | Reduced |
| Ibex Wealth Advisors | 94,880 | $9.99M | 0.98% | +1,631+1.7% | Added |
| Edentree Asset Management Ltd | 94,340 | $9.93M | 3.04% | −83,875−47.1% | Reduced |
| River Wealth Advisors LLC | 93,839 | $9.88M | 1.11% | +11,915+14.5% | Added |
| Lockheed Martin Investment Management Co | 93,800 | $9.87M | 0.33% | −47,500−33.6% | Reduced |
| Hamel Associates, Inc. | 93,137 | $9.80M | 2.96% | +795+0.9% | Added |
| Evercore Wealth Management, LLC | 93,100 | $9.80M | 0.14% | −1,445−1.5% | Reduced |
| Lynch & Associates | 92,958 | $9.78M | 1.85% | +2,596+2.9% | Added |