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 2026
Institutional positions in Merck & Co., Inc. as of Jun 30, 2026. 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
- 3,855
- +96 vs. Q1 2026
- Shares held
- 1.98B
- +52.6M (+2.7%) vs. Q1 2026
- Total value
- $254.3B
- +$23.0B (+9.9%) vs. Q1 2026
- New holders
- 214
- 1,635 more added
- Sold out
- 118
- 1,509 more reduced
53 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | 3,502 | $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 2026
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Martingale Asset Management L P | 274,491 | $35.3M | 0.84% | −20,434−6.9% | Reduced |
| Thompson Siegel & Walmsley LLC | 274,133 | $35.2M | 0.64% | −568−0.2% | Reduced |
| Rafferty Asset Management, LLC | 273,534 | $35.1M | 0.08% | +80,481+41.7% | Added |
| CapWealth Advisors, LLC | 273,326 | $35.1M | 2.41% | +2,054+0.8% | Added |
| Cresset Asset Management, LLC | 271,475 | $35.1M | 0.13% | +7,930+3.0% | Added |
| Braun Stacey Associates Inc | 272,942 | $35.1M | 0.99% | +26,920+10.9% | Added |
| Haverford Trust Co | 272,415 | $35.0M | 0.30% | −4,985−1.8% | Reduced |
| Davenport & Co LLC | 271,897 | $34.9M | 0.18% | +2,172+0.8% | Added |
| Adams Diversified Equity Fund, Inc. | 270,300 | $34.7M | 1.06% | −29,900−10.0% | Reduced |
| Becker Capital Management Inc | 268,226 | $34.7M | 0.93% | −2,878−1.1% | Reduced |
| Private Advisor Group, LLC | 266,566 | $34.3M | 0.16% | −6,781−2.5% | Reduced |
| Crossmark Global Holdings, Inc. | 264,831 | $34.0M | 0.44% | +19,645+8.0% | Added |
| Transcend Wealth Collective, LLC | 262,453 | $33.7M | 2.28% | +690.0% | Added |
| Citizens Financial Group Inc | 261,913 | $33.7M | 0.41% | −7,749−2.9% | Reduced |
| Groupe la Francaise | 260,892 | $33.5M | 0.41% | +187,341+254.7% | Added |
| Warren Averett Asset Management, LLC | 260,499 | $33.5M | 0.19% | +1,865+0.7% | Added |
| Evergreen Capital Management LLC | 258,518 | $33.4M | 0.59% | −3,779−1.4% | Reduced |
| Brown Brothers Harriman & Co | 257,653 | $33.1M | 0.15% | +17,815+7.4% | Added |
| Kestra Private Wealth Services, LLC | 256,709 | $33.0M | 0.36% | −3,436−1.3% | Reduced |
| Blue Chip Partners, Inc. | 254,789 | $32.7M | 2.07% | +4,876+2.0% | Added |
| Mutual of America Capital Management LLC | 254,075 | $32.6M | 0.32% | −9,439−3.6% | Reduced |
| Silvercrest Asset Management Group LLC | 253,643 | $32.6M | 0.21% | −3,585−1.4% | Reduced |
| Assetmark, Inc | 252,444 | $32.4M | 0.06% | +20,149+8.7% | Added |
| Dakota Wealth Management | 250,026 | $32.1M | 0.61% | +16,681+7.1% | Added |
| Flputnam Investment Management Co | 248,349 | $31.9M | 0.38% | −2,574−1.0% | Reduced |
| Canada Post Corp Registered Pension Plan | 247,017 | $31.7M | 1.11% | +1,203+0.5% | Added |
| Wilkins Investment Counsel Inc | 244,471 | $31.4M | 4.23% | −2,277−0.9% | Reduced |
| HB Wealth Management, LLC | 242,175 | $31.1M | 0.17% | +736+0.3% | Added |
| Arbejdsmarkedets Tillaegspension | 238,000 | $30.6M | 0.67% | +238,000 | New |
| Ceredex Value Advisors LLC | 236,353 | $30.4M | 0.85% | +23,753+11.2% | Added |
| Highland Capital Management, LLC | 233,452 | $30.0M | 1.38% | −4,161−1.8% | Reduced |
| Pictet & Cie (Europe) SA | 232,596 | $29.9M | 0.58% | −5,177−2.2% | Reduced |
| Roffman Miller Associates Inc | 228,418 | $29.4M | 1.54% | +264+0.1% | Added |
| Yousif Capital Management, LLC | 226,047 | $29.0M | 0.33% | −19,283−7.9% | Reduced |
| Allstate Corp | 225,796 | $29.0M | 0.29% | −30,977−12.1% | Reduced |
| Godsey & Gibb Associates | 224,875 | $28.9M | 2.37% | −4,545−2.0% | Reduced |
| Benjamin Edwards Inc | 224,529 | $28.9M | 0.26% | +59,854+36.3% | Added |
| Bryn Mawr Trust Co | 223,656 | $28.7M | 0.64% | −2,920−1.3% | Reduced |
| Klingenstein Fields & Co LP | 223,496 | $28.7M | 1.00% | −1,374−0.6% | Reduced |
| Fiera Capital Corp | 223,353 | $28.7M | 0.10% | +20,741+10.2% | Added |
| Everett Harris & Co | 221,036 | $28.4M | 0.35% | −419−0.2% | Reduced |
| WSFS Capital Management, LLC | 220,148 | $28.3M | 1.23% | −2,257−1.0% | Reduced |
| Kahn Brothers Group Inc | 218,182 | $28.0M | 4.43% | −9,106−4.0% | Reduced |
| Vise Technologies, Inc. | 217,819 | $28.0M | 0.32% | +107,142+96.8% | Added |
| Sector Gamma AS | 217,008 | $27.9M | 6.05% | −43,332−16.6% | Reduced |
| Commerzbank Aktiengesellschaft | 215,121 | $27.6M | 0.55% | +15,765+7.9% | Added |
| Bridgeway Capital Management, LLC | 214,753 | $27.6M | 0.49% | −10,352−4.6% | Reduced |
| Savant Capital, LLC | 220,270 | $27.5M | 0.08% | +113,335+106.0% | Added |
| Rhenman & Partners Asset Management AB | 213,500 | $27.4M | 2.59% | +213,500 | New |
| Stack Financial Management, Inc | 212,862 | $27.4M | 2.13% | +3,215+1.5% | Added |
| Moran Wealth Management, LLC | 212,218 | $27.3M | 0.74% | −8,074−3.7% | Reduced |
| M&G Plc | 210,965 | $27.2M | 0.14% | −87,079−29.2% | Reduced |
| RE Advisers Corp | 211,077 | $27.1M | 0.67% | +500+0.2% | Added |
| Merit Financial Group, LLC | 209,288 | $26.9M | 0.17% | +12,447+6.3% | Added |
| RWC Asset Management LLP | 209,086 | $26.9M | 1.02% | +3,996+1.9% | Added |
| Allworth Financial LP | 208,546 | $26.8M | 0.11% | −54,355−20.7% | Reduced |
| TCTC Holdings, LLC | 207,881 | $26.7M | 0.70% | +1,425+0.7% | Added |
| Rathbone Brothers plc | 207,542 | $26.7M | 0.10% | −14,698−6.6% | Reduced |
| Cardinal Capital Management, Inc. | 206,451 | $26.5M | 0.64% | −1,019−0.5% | Reduced |
| LGT Group Foundation | 205,618 | $26.4M | 0.30% | +10,693+5.5% | Added |
| AE Wealth Management LLC | 205,251 | $26.4M | 0.12% | +61,169+42.5% | Added |
| Argent Trust Co | 204,960 | $26.3M | 0.76% | +8,571+4.4% | Added |
| General American Investors Co Inc | 204,326 | $26.3M | 1.59% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 204,194 | $26.2M | 0.17% | +53,257+35.3% | Added |
| Ingalls & Snyder LLC | 203,973 | $26.2M | 0.72% | −2,758−1.3% | Reduced |
| Foundation Resource Management Inc | 202,690 | $26.0M | 3.03% | +481+0.2% | Added |
| Kepler Cheuvreux (Suisse) SA | 202,568 | $26.0M | 1.49% | +113,995+128.7% | Added |
| Abner Herrman & Brock LLC | 202,424 | $26.0M | 2.47% | −450.0% | Reduced |
| Intact Investment Management Inc. | 202,100 | $26.0M | 0.74% | +28,600+16.5% | Added |
| Aptus Capital Advisors, LLC | 201,987 | $26.0M | 0.19% | +9,248+4.8% | Added |
| Cary Street Partners Financial LLC | 201,087 | $25.8M | 0.56% | −1000.0% | Reduced |
| Payden & Rygel | 200,960 | $25.8M | 1.98% | +2,860+1.4% | Added |
| ARGA Investment Management, LP | 199,748 | $25.7M | 0.65% | −51,710−20.6% | Reduced |
| Farallon Capital Management, L.L.C. | 199,000 | $25.6M | 0.15% | −162,000−44.9% | Reduced |
| Danica Pension, Livsforsikringsaktieselskab | 198,763 | $25.5M | 0.41% | +8,585+4.5% | Added |
| Nomura Holdings Inc | 198,276 | $25.5M | 0.11% | +162,357+452.0% | Added |
| Boston Common Asset Management, LLC | 198,228 | $25.5M | 1.51% | −452−0.2% | Reduced |
| Saturna Capital CORP | 197,643 | $25.4M | 0.31% | +40,192+25.5% | Added |
| Diversified Trust Co | 194,020 | $24.9M | 0.40% | −1,188−0.6% | Reduced |
| Triglav Skladi, D.O.O. | 193,541 | $24.9M | 1.31% | +853+0.4% | Added |
| Mizuho Securities USA LLC | 193,359 | $24.8M | 0.40% | +43,310+28.9% | Added |
| Gulf International Bank (UK) Ltd | 193,075 | $24.8M | 0.49% | +1,368+0.7% | Added |
| Eastern Bank | 191,760 | $24.6M | 0.38% | −2,803−1.4% | Reduced |
| Bruce & Co., Inc. | 190,800 | $24.5M | 6.64% | −2,000−1.0% | Reduced |
| DDD Partners, LLC | 190,549 | $24.5M | 1.53% | +190,549 | New |
| Atria Investments LLC | 190,293 | $24.5M | 0.24% | −4,124−2.1% | Reduced |
| HealthInvest Partners AB | 189,357 | $24.3M | 6.55% | +155,504+459.4% | Added |
| Pacer Advisors, Inc. | 187,606 | $24.1M | 0.06% | −545,375−74.4% | Reduced |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 187,589 | $24.1M | 0.55% | −557,040−74.8% | Reduced |
| Scotia Capital Inc. | 185,895 | $23.9M | 0.09% | −16,772−8.3% | Reduced |
| Oppenheimer & Co Inc | 184,897 | $23.8M | 0.25% | +712+0.4% | Added |
| Union Bancaire Privee, UBP SA | 108,638 | $23.5M | 0.36% | +2,076+1.9% | Added |
| Stamos Capital Partners, L.P. | 179,799 | $23.1M | 3.54% | +9,415+5.5% | Added |
| Advisors Capital Management, LLC | 179,565 | $23.1M | 0.24% | +6,104+3.5% | Added |
| Stillwater Capital Advisors, LLC | 179,429 | $23.1M | 2.35% | −761−0.4% | Reduced |
| GW Henssler & Associates Ltd | 179,384 | $23.1M | 1.03% | −1,663−0.9% | Reduced |
| First National Trust Co | 179,140 | $23.0M | 0.78% | −24,511−12.0% | Reduced |
| ARS Wealth Advisors Group, LLC | 177,518 | $22.8M | 1.79% | +1,150+0.7% | Added |
| Salem Investment Counselors Inc | 176,330 | $22.8M | 0.57% | −420.0% | Reduced |
| TIAA Wealth Investment Management LLC | 176,857 | $22.7M | 0.15% | +906+0.5% | Added |