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, Q3 2025
Institutional positions in Merck & Co., Inc. as of Sep 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
- 3,319
- +42 vs. Q2 2025
- Shares held
- 1.90B
- −25.7M (−1.3%) vs. Q2 2025
- Total value
- $159.8B
- +$6.99B (+4.6%) vs. Q2 2025
- New holders
- 191
- 1,361 more added
- Sold out
- 149
- 1,427 more reduced
60 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avidian Wealth Solutions, LLC | 15,418 | $1.29M | 0.05% | +1,699+12.4% | Added |
| Little House Capital LLC | 15,421 | $1.29M | 0.30% | −9,815−38.9% | Reduced |
| Eley Financial Management, Inc | 15,445 | $1.30M | 0.47% | +85+0.6% | Added |
| South Plains Financial, Inc. | 15,446 | $1.30M | 0.81% | +2,485+19.2% | Added |
| PBMares Wealth Management LLC | 15,461 | $1.30M | 0.21% | 00.0% | Unchanged |
| Martin & Co Inc | 15,473 | $1.30M | 0.23% | −15−0.1% | Reduced |
| St. Louis Trust Co | 15,488 | $1.30M | 0.16% | 00.0% | Unchanged |
| Windsor Capital Management, LLC | 15,501 | $1.30M | 0.36% | −646−4.0% | Reduced |
| GM Advisory Group, Inc. | 15,590 | $1.31M | 0.06% | −4,412−22.1% | Reduced |
| Caerus Investment Advisors, LLC | 15,622 | $1.31M | 0.54% | +15,622 | New |
| Cascade Financial Partners, LLC | 15,665 | $1.31M | 0.15% | +96+0.6% | Added |
| Telos Capital Management, Inc. | 15,683 | $1.32M | 0.13% | −165−1.0% | Reduced |
| Scott & Selber, Inc. | 15,687 | $1.32M | 0.34% | +61+0.4% | Added |
| Baker Chad R | 15,700 | $1.32M | 0.23% | 00.0% | Unchanged |
| Baker Ellis Asset Management LLC | 15,737 | $1.32M | 0.16% | +2,649+20.2% | Added |
| BCS Wealth Management | 15,744 | $1.32M | 0.30% | −516−3.2% | Reduced |
| Hall Laurie J Trustee | 15,755 | $1.32M | 0.43% | −2,829−15.2% | Reduced |
| Calamos Wealth Management LLC | 15,761 | $1.32M | 0.05% | +1,351+9.4% | Added |
| Fiduciary Family Office, LLC | 15,786 | $1.32M | 0.38% | +2,758+21.2% | Added |
| Atom Investors LP | 15,818 | $1.33M | 0.10% | +15,818 | New |
| Gold Investment Management Ltd. | 15,823 | $1.33M | 0.45% | +362+2.3% | Added |
| Sawyer & Company, Inc | 16,784 | $1.33M | 0.50% | +2,462+17.2% | Added |
| Home Federal Bank of Tennessee | 15,858 | $1.33M | 0.36% | −82−0.5% | Reduced |
| Sig Brokerage, LP | 15,888 | $1.33M | 0.34% | −32,513−67.2% | Reduced |
| High Net Worth Advisory Group LLC | 15,908 | $1.34M | 0.32% | −1,513−8.7% | Reduced |
| MCF Advisors LLC | 15,801 | $1.34M | 0.08% | −25−0.2% | Reduced |
| PDS Planning, Inc | 15,919 | $1.34M | 0.09% | +326+2.1% | Added |
| AMF Pensionsforsakring AB | 15,947 | $1.34M | 0.01% | −558,640−97.2% | Reduced |
| Meridian Financial, LLC | 15,995 | $1.34M | 0.76% | −300−1.8% | Reduced |
| Value Partners Investments Inc. | 16,006 | $1.34M | 0.11% | +625+4.1% | Added |
| Ellsworth Advisors, LLC | 15,994 | $1.35M | 0.29% | +1,698+11.9% | Added |
| SPC Financial, Inc. | 16,047 | $1.35M | 0.11% | +261+1.7% | Added |
| L2 Asset Management, LLC | 16,047 | $1.35M | 0.19% | +8,812+121.8% | Added |
| Richards, Merrill & Peterson, Inc. | 16,063 | $1.35M | 0.58% | −226−1.4% | Reduced |
| Founders Financial Alliance, LLC | 16,072 | $1.35M | 0.25% | −492−3.0% | Reduced |
| Thoroughbred Financial Services, LLC | 16,094 | $1.35M | 0.08% | −514−3.1% | Reduced |
| Fiduciary Alliance LLC | 16,192 | $1.36M | 0.09% | −1,345−7.7% | Reduced |
| Atlas Brown,Inc. | 16,196 | $1.36M | 0.40% | +58+0.4% | Added |
| Nicholas Hoffman & Company, LLC. | 16,201 | $1.36M | 0.03% | −276−1.7% | Reduced |
| Cape Cod Five Cents Savings Bank | 12,031 | $1.37M | 0.13% | 00.0% | Unchanged |
| Sivia Capital Partners, LLC | 16,324 | $1.37M | 0.39% | +4,830+42.0% | Added |
| Kavar Capital Partners Group, LLC | 16,328 | $1.37M | 0.18% | −103−0.6% | Reduced |
| Waddell & Associates, LLC | 16,337 | $1.37M | 0.12% | +4,011+32.5% | Added |
| Aull & Monroe Investment Management Corp | 16,361 | $1.37M | 0.70% | −350−2.1% | Reduced |
| YANKCOM Partnership | 16,434 | $1.38M | 0.62% | +721+4.6% | Added |
| Garrison Point Advisors, LLC | 16,439 | $1.38M | 0.58% | −1,254−7.1% | Reduced |
| Sectoral Asset Management Inc | 16,400 | $1.39M | 0.86% | −4,500−21.5% | Reduced |
| Wealth Dimensions Group, Ltd. | 16,566 | $1.39M | 0.29% | −491−2.9% | Reduced |
| Segall Bryant & Hamill, LLC | 16,709 | $1.40M | 0.02% | −2,530−13.2% | Reduced |
| Ascent Wealth Partners, LLC | 16,719 | $1.40M | 0.16% | −155−0.9% | Reduced |
| LaSalle St. Investment Advisors, LLC | 16,738 | $1.40M | 0.25% | −1,053−5.9% | Reduced |
| Costello Asset Management, INC | 16,733 | $1.40M | 0.47% | −27,414−62.1% | Reduced |
| Cidel Asset Management Inc | 16,753 | $1.41M | 0.08% | +1,682+11.2% | Added |
| Stance Capital LLC | 16,800 | $1.41M | 0.52% | +890+5.6% | Added |
| Monetary Management Group Inc | 16,885 | $1.42M | 0.33% | −2,150−11.3% | Reduced |
| Savvy Advisors, Inc. | 16,940 | $1.42M | 0.07% | +8,855+109.5% | Added |
| LeClair Wealth Partners LLC | 16,972 | $1.42M | 0.89% | −148−0.9% | Reduced |
| Sentinel Trust Co Lba | 16,981 | $1.43M | 0.15% | −33−0.2% | Reduced |
| Creative Financial Designs Inc | 16,992 | $1.43M | 0.10% | −586−3.3% | Reduced |
| Wealthquest Corp | 17,021 | $1.43M | 0.11% | +329+2.0% | Added |
| Murphy Pohlad Asset Management LLC | 17,028 | $1.43M | 0.56% | −5,500−24.4% | Reduced |
| Prudent Man Advisors, LLC | 17,035 | $1.43M | 0.53% | −488−2.8% | Reduced |
| Bernardo Wealth Planning LLC | 17,114 | $1.44M | 0.28% | +110+0.6% | Added |
| Whalerock Point Partners, LLC | 17,115 | $1.44M | 0.29% | +425+2.5% | Added |
| Chesapeake Asset Management LLC | 17,150 | $1.44M | 1.28% | −8,044−31.9% | Reduced |
| Oak Associates, Ltd | 17,168 | $1.44M | 0.09% | 00.0% | Unchanged |
| Paragon Capital Management Inc | 17,209 | $1.44M | 1.08% | −654−3.7% | Reduced |
| Signet Investment Advisory Group, Inc. | 17,219 | $1.45M | 0.69% | −25−0.1% | Reduced |
| Legato Capital Management LLC | 17,240 | $1.45M | 0.16% | 00.0% | Unchanged |
| Cypress Asset Management Inc | 17,252 | $1.45M | 0.33% | −73−0.4% | Reduced |
| Next Level Private LLC | 16,337 | $1.45M | 0.42% | −9,915−37.8% | Reduced |
| Gables Capital Management Inc. | 17,302 | $1.45M | 0.62% | +275+1.6% | Added |
| Thrive Wealth Management, LLC | 17,307 | $1.45M | 0.22% | −2,218−11.4% | Reduced |
| Donald L. Hagan, LLC | 17,352 | $1.46M | 0.71% | +8,981+107.3% | Added |
| OmniStar Financial Group, Inc. | 17,440 | $1.46M | 0.89% | +3,566+25.7% | Added |
| Summit Wealth Group LLC | 14,231 | $1.47M | 0.20% | +9,491+200.2% | Added |
| Visionary Wealth Advisors | 17,487 | $1.47M | 0.07% | +438+2.6% | Added |
| Webster Bank, N. A. | 17,538 | $1.47M | 0.14% | −437−2.4% | Reduced |
| Aaron Wealth Advisors | 17,547 | $1.47M | 0.09% | +5,277+43.0% | Added |
| Puzo Michael J | 17,553 | $1.47M | 0.40% | −405−2.3% | Reduced |
| Private Wealth Asset Management, LLC | 17,556 | $1.47M | 0.17% | −1,105−5.9% | Reduced |
| LM Advisors LLC | 17,401 | $1.48M | 0.21% | +2,000+13.0% | Added |
| Hartford Financial Management Inc. | 17,654 | $1.48M | 0.39% | −2,461−12.2% | Reduced |
| Kera Capital Partners, Inc. | 17,654 | $1.48M | 0.22% | +9,382+113.4% | Added |
| CSS LLC | 17,655 | $1.48M | 0.09% | −5,310−23.1% | Reduced |
| Inman Jager Wealth Management, LLC | 17,670 | $1.48M | 0.95% | +398+2.3% | Added |
| Donoghue Forlines LLC | 17,699 | $1.49M | 0.46% | −642−3.5% | Reduced |
| BSW Wealth Partners | 17,719 | $1.49M | 0.19% | −195−1.1% | Reduced |
| Wulff, Hansen & Co. | 17,720 | $1.49M | 1.28% | −450−2.5% | Reduced |
| Lecap Asset Management Ltd | 17,741 | $1.49M | 0.52% | +167+1.0% | Added |
| VCI Wealth Management LLC | 17,742 | $1.49M | 0.45% | +1,943+12.3% | Added |
| Brady Martz Wealth Solutions, LLC | 17,752 | $1.49M | 0.27% | +70.0% | Added |
| Twelve Points Wealth Management LLC | 17,773 | $1.49M | 0.37% | −858−4.6% | Reduced |
| Doliver Advisors, LP | 17,778 | $1.49M | 0.39% | −265−1.5% | Reduced |
| Wallace Capital Management Inc. | 17,779 | $1.49M | 0.19% | −1,077−5.7% | Reduced |
| Shufro Rose & Co LLC | 16,668 | $1.50M | 0.12% | 00.0% | Unchanged |
| First Interstate Bank | 17,882 | $1.50M | 0.08% | +6,900+62.8% | Added |
| West Family Investments, Inc. | 17,886 | $1.50M | 0.34% | −1,910−9.6% | Reduced |
| GoalVest Advisory LLC | 17,974 | $1.51M | 0.32% | +2,833+18.7% | Added |
| GraniteShares Advisors LLC | 17,974 | $1.51M | 0.87% | −222−1.2% | Reduced |