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 2026
Institutional positions in Merck & Co., Inc. as of Mar 31, 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
- 3,812
- +195 vs. Q4 2025
- Shares held
- 1.93B
- +269.1M (+16.2%) vs. Q4 2025
- Total value
- $231.9B
- +$56.6B (+32.3%) vs. Q4 2025
- New holders
- 316
- 1,466 more added
- Sold out
- 121
- 1,594 more reduced
57 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cresset Asset Management, LLC | 263,545 | $31.9M | 0.14% | +17,397+7.1% | Added |
| Evergreen Capital Management LLC | 262,297 | $31.8M | 0.69% | +6,205+2.4% | Added |
| Mutual of America Capital Management LLC | 263,514 | $31.7M | 0.36% | −2,536−1.0% | Reduced |
| Allworth Financial LP | 262,901 | $31.6M | 0.13% | +50,970+24.1% | Added |
| Transcend Wealth Collective, LLC | 262,384 | $31.6M | 2.53% | +1,013+0.4% | Added |
| Sector Gamma AS | 260,340 | $31.3M | 7.39% | −103,311−28.4% | Reduced |
| Kestra Private Wealth Services, LLC | 260,145 | $31.3M | 0.39% | +3,743+1.5% | Added |
| Warren Averett Asset Management, LLC | 258,634 | $31.1M | 0.23% | +2,030+0.8% | Added |
| Silvercrest Asset Management Group LLC | 257,228 | $30.9M | 0.22% | −2,169−0.8% | Reduced |
| OP Asset Management Ltd | 256,793 | $30.9M | 0.32% | −20,775−7.5% | Reduced |
| Allstate Corp | 256,773 | $30.9M | 0.33% | +67,814+35.9% | Added |
| Shelton Capital Management | 255,813 | $30.8M | 0.67% | −23,873−8.5% | Reduced |
| Concurrent Investment Advisors, LLC | 254,138 | $30.6M | 0.33% | +20,658+8.8% | Added |
| Vinva Investment Management Ltd | 256,254 | $30.3M | 0.38% | −69,690−21.4% | Reduced |
| ARGA Investment Management, LP | 251,458 | $30.2M | 0.99% | −45,951−15.5% | Reduced |
| Flputnam Investment Management Co | 250,923 | $30.2M | 0.45% | +40,623+19.3% | Added |
| Blue Chip Partners, Inc. | 249,913 | $30.1M | 2.16% | +5,084+2.1% | Added |
| Wilkins Investment Counsel Inc | 246,748 | $29.7M | 4.25% | −3,608−1.4% | Reduced |
| Braun Stacey Associates Inc | 246,022 | $29.6M | 0.98% | +246,022 | New |
| Canada Post Corp Registered Pension Plan | 245,814 | $29.6M | 1.18% | +12,373+5.3% | Added |
| Yousif Capital Management, LLC | 245,330 | $29.5M | 0.35% | −7,705−3.0% | Reduced |
| Crossmark Global Holdings, Inc. | 245,186 | $29.5M | 0.44% | +9,280+3.9% | Added |
| HB Wealth Management, LLC | 241,439 | $29.0M | 0.19% | +13,245+5.8% | Added |
| Brown Brothers Harriman & Co | 239,838 | $28.9M | 0.15% | +9,479+4.1% | Added |
| Pictet & Cie (Europe) SA | 237,773 | $28.6M | 0.61% | −16,362−6.4% | Reduced |
| Highland Capital Management, LLC | 237,613 | $28.6M | 1.51% | −23,268−8.9% | Reduced |
| Abn Amro Investment Solutions | 233,654 | $28.1M | 0.37% | −23,180−9.0% | Reduced |
| Dakota Wealth Management | 233,345 | $28.1M | 0.61% | +52,548+29.1% | Added |
| Assetmark, Inc | 232,295 | $27.9M | 0.06% | +57,422+32.8% | Added |
| Godsey & Gibb Associates | 229,420 | $27.6M | 2.40% | −925−0.4% | Reduced |
| Roffman Miller Associates Inc | 228,154 | $27.4M | 1.58% | −3,369−1.5% | Reduced |
| Kahn Brothers Group Inc | 227,288 | $27.3M | 4.85% | −202,815−47.2% | Reduced |
| Bryn Mawr Trust Co | 226,576 | $27.3M | 0.65% | −10,115−4.3% | Reduced |
| Bridgeway Capital Management, LLC | 225,105 | $27.1M | 0.54% | −39,956−15.1% | Reduced |
| Klingenstein Fields & Co LP | 224,870 | $27.0M | 1.07% | −5,048−2.2% | Reduced |
| Capitolis Liquid Global Markets LLC | 223,830 | $26.9M | 0.17% | +223,830 | New |
| WSFS Capital Management, LLC | 222,405 | $26.8M | 1.30% | −8,169−3.5% | Reduced |
| Rathbone Brothers plc | 222,240 | $26.7M | 0.11% | −38,250−14.7% | Reduced |
| Everett Harris & Co | 221,455 | $26.6M | 0.34% | −3,728−1.7% | Reduced |
| Vestor Capital, LLC | 221,158 | $26.6M | 1.93% | +220,469+31,998.4% | Added |
| Moran Wealth Management, LLC | 220,292 | $26.5M | 0.81% | −16,677−7.0% | Reduced |
| Elo Mutual Pension Insurance Co | 218,614 | $26.3M | 0.43% | −85,991−28.2% | Reduced |
| Ceredex Value Advisors LLC | 212,600 | $25.6M | 0.80% | −36,009−14.5% | Reduced |
| United Asset Strategies, Inc. | 210,435 | $25.3M | 2.01% | −6,760−3.1% | Reduced |
| RE Advisers Corp | 210,577 | $25.3M | 0.68% | −2,100−1.0% | Reduced |
| Stack Financial Management, Inc | 209,647 | $25.2M | 1.85% | −734−0.3% | Reduced |
| Cardinal Capital Management, Inc. | 207,470 | $25.0M | 0.67% | −97,064−31.9% | Reduced |
| Ingalls & Snyder LLC | 206,731 | $24.9M | 0.88% | −15,698−7.1% | Reduced |
| Bellevue Group AG | 206,591 | $24.9M | 0.59% | +114,474+124.3% | Added |
| TCTC Holdings, LLC | 206,456 | $24.8M | 0.71% | +4,664+2.3% | Added |
| RWC Asset Management LLP | 205,090 | $24.7M | 1.03% | −7,327−3.4% | Reduced |
| General American Investors Co Inc | 204,326 | $24.6M | 1.62% | 00.0% | Unchanged |
| Investment Management Corp of Ontario | 203,852 | $24.5M | 0.32% | −86,374−29.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 203,676 | $24.5M | 0.06% | +120,466+144.8% | Added |
| First National Trust Co | 203,651 | $24.5M | 0.83% | +1,792+0.9% | Added |
| Soleus Capital Management, L.P. | 203,000 | $24.4M | 0.99% | +203,000 | New |
| Scotia Capital Inc. | 202,667 | $24.4M | 0.10% | +6,936+3.5% | Added |
| Fiera Capital Corp | 202,612 | $24.4M | 0.08% | +202,612 | New |
| Abner Herrman & Brock LLC | 202,469 | $24.4M | 2.69% | +4,155+2.1% | Added |
| Foundation Resource Management Inc | 202,209 | $24.3M | 2.74% | +9,114+4.7% | Added |
| Cary Street Partners Financial LLC | 201,187 | $24.2M | 0.60% | −5,661−2.7% | Reduced |
| Commerzbank Aktiengesellschaft | 199,356 | $24.0M | 0.50% | −151,402−43.2% | Reduced |
| Boston Common Asset Management, LLC | 198,680 | $23.9M | 1.54% | −4,527−2.2% | Reduced |
| Payden & Rygel | 198,100 | $23.8M | 1.85% | 00.0% | Unchanged |
| La Banque Postale Asset Management SA | 196,922 | $23.7M | 0.32% | −180,502−47.8% | Reduced |
| Merit Financial Group, LLC | 196,841 | $23.7M | 0.18% | +38,798+24.5% | Added |
| Argent Trust Co | 196,389 | $23.6M | 0.80% | +38,813+24.6% | Added |
| Diversified Trust Co | 195,208 | $23.5M | 0.44% | −5,350−2.7% | Reduced |
| LGT Group Foundation | 194,925 | $23.4M | 0.29% | −139,511−41.7% | Reduced |
| Eastern Bank | 194,563 | $23.4M | 0.40% | −18,674−8.8% | Reduced |
| EP Wealth Advisors, LLC | 194,446 | $23.4M | 0.11% | −1,288−0.7% | Reduced |
| Atria Investments LLC | 194,417 | $23.4M | 0.26% | +13,429+7.4% | Added |
| Rafferty Asset Management, LLC | 193,053 | $23.2M | 0.09% | −76,567−28.4% | Reduced |
| Bruce & Co., Inc. | 192,800 | $23.2M | 6.63% | 00.0% | Unchanged |
| Aptus Capital Advisors, LLC | 192,739 | $23.2M | 0.19% | −14,787−7.1% | Reduced |
| Triglav Skladi, D.O.O. | 192,688 | $23.2M | 1.62% | +57,869+42.9% | Added |
| Gulf International Bank (UK) Ltd | 191,707 | $23.1M | 0.52% | +65,363+51.7% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 191,185 | $23.0M | 1.26% | −14,186−6.9% | Reduced |
| HealthInvest Partners AB | 33,853 | $22.9M | 7.40% | −161,915−82.7% | Reduced |
| Danica Pension, Livsforsikringsaktieselskab | 190,178 | $22.9M | 0.43% | −1,693−0.9% | Reduced |
| HM Payson & Co | 189,740 | $22.8M | 0.33% | +2,262+1.2% | Added |
| Vestcor Inc | 187,073 | $22.5M | 0.62% | −71,304−27.6% | Reduced |
| Argent Capital Management LLC | 185,453 | $22.3M | 0.70% | +181,978+5,236.8% | Added |
| Philip James Wealth Mangement, LLC | 184,582 | $22.2M | 2.55% | −395−0.2% | Reduced |
| Oppenheimer & Co Inc | 184,185 | $22.2M | 0.27% | +19,723+12.0% | Added |
| GW Henssler & Associates Ltd | 181,047 | $21.8M | 1.03% | −6,443−3.4% | Reduced |
| Stillwater Capital Advisors, LLC | 180,190 | $21.7M | 2.47% | −2,318−1.3% | Reduced |
| South Dakota Investment Council | 179,966 | $21.6M | 0.41% | −22,492−11.1% | Reduced |
| Applied Finance Capital Management, LLC | 178,906 | $21.5M | 1.62% | −4,658−2.5% | Reduced |
| Salem Investment Counselors Inc | 176,372 | $21.3M | 0.63% | −12,111−6.4% | Reduced |
| Circle Wealth Management, LLC | 177,287 | $21.3M | 0.30% | −4,089−2.3% | Reduced |
| Stockman Wealth Management, Inc. | 177,107 | $21.3M | 2.35% | −558−0.3% | Reduced |
| ARS Wealth Advisors Group, LLC | 176,368 | $21.2M | 1.79% | +998+0.6% | Added |
| Manning & Napier Advisors LLC | 176,281 | $21.2M | 0.30% | +768+0.4% | Added |
| TIAA Wealth Investment Management LLC | 175,951 | $21.2M | 0.16% | +175,951 | New |
| Grandfield & Dodd, LLC | 175,775 | $21.1M | 1.19% | +7,714+4.6% | Added |
| Walleye Capital LLC | 174,672 | $21.0M | 0.13% | +83,898+92.4% | Added |
| Charter Trust Co | 173,725 | $20.9M | 1.22% | +1,693+1.0% | Added |
| Intact Investment Management Inc. | 173,500 | $20.9M | 0.59% | −9,600−5.2% | Reduced |
| Advisors Capital Management, LLC | 173,461 | $20.9M | 0.24% | +8,776+5.3% | Added |