Security record
MRK
Merck & Co., Inc. · Healthcare · Drug Manufacturers - General
183Tracked holders
0Δ holders
1.60BShares held
$205.64BReported value
+4New positions
−3Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +1.0% · net new positions +0.5% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 183 | 0 | 1.60B | $205.64B | +4 | −3 |
| Q1 2026 | 185 | +1 | 1.56B | $186.85B | +3 | −3 |
| Q4 2025 | 183 | 0 | 1.68B | $176.48B | +1 | — |
| Q3 2025 | 27 | 0 | 972.48M | $81.66B | +1 | −2 |
| Q2 2025 | 25 | 0 | 887.01M | $70.29B | +1 | −1 |
| Q1 2025 | 22 | -1 | 386.62M | $34.78B | — | −1 |
| Q4 2024 | 23 | -1 | 374.82M | $37.37B | — | −1 |
| Q3 2024 | 23 | +1 | 256.79M | $29.14B | +1 | — |
| Q2 2024 | 22 | — | 256.16M | $31.70B | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 227.00M | +0.5% | $29.17B | 0.4% | ▲ Add | 5 | SEC ↗ ×23 |
| 2 | Vanguard Capital Management Llc | 161.32M | +0.2% | $20.73B | 0.4% | ▲ Add | 2 | SEC ↗ |
| 3 | State Street Global Advisors ✦ (passive) | 120.41M | +0.9% | $15.57B | 0.5% | ▲ Add | 7 | SEC ↗ |
| 4 | Wellington Management ✦ | 86.25M | +2.3% | $11.08B | 1.9% | ▲ Add | 9 | SEC ↗ ×9 |
| 5 | Geode Capital Management ✦ (passive) | 60.74M | +2.0% | $7.79B | 0.4% | ▲ Add | 9 | SEC ↗ ×2 |
| 6 | Charles Schwab Investment… | 54.37M | +9.2% | $6.99B | 0.9% | ▲ Add | 3 | SEC ↗ ×3 |
| 7 | Morgan Stanley ✦ | 48.64M | +2.1% | $6.25B | 0.3% | ▲ Add | 4 | SEC ↗ ×21 |
| 8 | Fidelity (FMR) ✦ | 45.44M | +2.1% | $5.84B | 0.3% | ▲ Add | 5 | SEC ↗ ×6 |
| 9 | JPMorgan Chase ✦ | 43.89M | -17.1% | $5.68B | 0.3% | ▼ Trim | 4 | SEC ↗ ×21 |
| 10 | Fisher Asset Management ✦ | 38.52M | +45.7% | $4.95B | 1.5% | ▲ Add | 9 | SEC ↗ |
| 11 | Norges Bank ✦ (passive) | 36.98M | New | $4.75B | 0.5% | New | 1 | SEC ↗ |
| 12 | Bank Of America Corp /De/ | 30.54M | -0.8% | $3.92B | 0.3% | ▼ Trim | 3 | SEC ↗ ×8 |
| 13 | Northern Trust Corp | 26.28M | -3.0% | $3.38B | 0.4% | ▼ Trim | 3 | SEC ↗ ×12 |
| 14 | Goldman Sachs Group ✦ | 22.08M | +9.6% | $2.84B | 0.3% | ▲ Add | 4 | SEC ↗ ×6 |
| 15 | Franklin Resources Inc | 19.55M | +20.2% | $2.51B | 0.5% | ▲ Add | 3 | SEC ↗ ×18 |
| 16 | UBS AM, a distinct business unit of… | 19.55M | -4.2% | $2.51B | 0.5% | ▼ Trim | 3 | SEC ↗ ×12 |
| 17 | Legal & General Group Plc | 18.87M | -3.4% | $2.43B | 0.5% | ▼ Trim | 3 | SEC ↗ ×3 |
| 18 | Invesco Ltd. | 18.61M | -14.8% | $2.39B | 0.2% | ▼ Trim | 3 | SEC ↗ ×25 |
| 19 | T. Rowe Price ✦ | 18.52M | -19.6% | $2.38B | 0.2% | ▼ Trim | 9 | SEC ↗ ×2 |
| 20 | Bank of New York Mellon Corp | 18.34M | -2.0% | $2.36B | 0.4% | ▼ Trim | 3 | SEC ↗ ×21 |
| 21 | Dimensional Fund Advisors Lp | 17.49M | +13.1% | $2.25B | 0.4% | ▲ Add | 3 | SEC ↗ ×5 |
| 22 | Ameriprise Financial Inc | 17.39M | +6.9% | $2.24B | 0.5% | ▲ Add | 3 | SEC ↗ ×8 |
| 23 | Capital International Investors | 15.39M | +1668.0% | $1.98B | 0.4% | ▲ Add | 3 | SEC ↗ |
| 24 | Royal Bank Of Canada | 14.29M | +8.3% | $1.84B | 0.3% | ▲ Add | 3 | SEC ↗ ×16 |
| 25 | State Farm Mutual Automobile… | 13.79M | 0.0% | $1.77B | 1.2% | Held | 3 | SEC ↗ ×2 |
| 26 | UBS Group AG | 13.74M | -1.4% | $1.77B | 0.3% | ▼ Trim | 3 | SEC ↗ ×9 |
| 27 | Amundi | 12.34M | -10.3% | $1.59B | 0.4% | ▼ Trim | 3 | SEC ↗ ×13 |
| 28 | Alliancebernstein L.P. | 13.13M | +16.2% | $1.58B | 0.5% | ▲ Add | 3 | SEC ↗ |
| 29 | Harris Associates (Oakmark) ✦ | 12.07M | -2.4% | $1.55B | 2.1% | ▼ Trim | 8 | SEC ↗ ×2 |
| 30 | Deutsche Bank Ag\ | 11.96M | -4.6% | $1.54B | 0.4% | ▼ Trim | 3 | SEC ↗ ×19 |
| 31 | Wells Fargo & Company/Mn | 11.66M | +1.9% | $1.50B | 0.3% | ▲ Add | 3 | SEC ↗ ×6 |
| 32 | Nuveen, LLC | 9.66M | -4.3% | $1.24B | 0.3% | ▼ Trim | 3 | SEC ↗ ×4 |
| 33 | Stifel Financial Corp | 8.17M | -1.5% | $1.05B | 0.9% | ▼ Trim | 3 | SEC ↗ ×8 |
| 34 | AQR Capital Management ✦ | 8.13M | -5.7% | $1.04B | 0.4% | ▼ Trim | 9 | SEC ↗ ×11 |
| 35 | Hsbc Holdings Plc | 7.73M | +1.3% | $994.12M | 0.5% | ▲ Add | 3 | SEC ↗ ×12 |
| 36 | Pnc Financial Services Group, Inc. | 7.29M | -3.2% | $936.35M | 0.5% | ▼ Trim | 3 | SEC ↗ ×10 |
| 37 | Swiss National Bank | 6.97M | -4.3% | $896.06M | 0.5% | ▼ Trim | 3 | SEC ↗ |
| 38 | Barclays Plc | 6.79M | -10.1% | $873.02M | 0.3% | ▼ Trim | 3 | SEC ↗ ×6 |
| 39 | Grantham, Mayo, Van Otterloo & Co.… | 6.79M | -3.3% | $871.87M | 2.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | Aristotle Capital Management, LLC | 6.58M | -4.6% | $845.35M | 1.8% | ▼ Trim | 3 | SEC ↗ |
| 41 | Voya Investment Management Llc | 6.48M | +25.7% | $833.29M | 0.8% | ▲ Add | 3 | SEC ↗ ×3 |
| 42 | Swedbank AB | 6.36M | -10.3% | $817.34M | 0.7% | ▼ Trim | 3 | SEC ↗ ×3 |
| 43 | Raymond James Financial Inc | 6.24M | -5.3% | $801.43M | 0.2% | ▼ Trim | 3 | SEC ↗ ×6 |
| 44 | Mitsubishi UFJ Asset Management… | 6.18M | +7.0% | $794.58M | 0.4% | ▲ Add | 3 | SEC ↗ |
| 45 | Sumitomo Mitsui Trust Group, Inc. | 6.17M | -1.6% | $792.73M | 0.5% | ▼ Trim | 3 | SEC ↗ |
| 46 | National Pension Service | 5.79M | +0.5% | $744.24M | 0.5% | ▲ Add | 3 | SEC ↗ |
| 47 | Bank Of Montreal /Can/ | 5.57M | +15.2% | $715.20M | 0.3% | ▲ Add | 3 | SEC ↗ ×9 |
| 48 | Assenagon Asset Management S.A. | 5.41M | +627.4% | $694.67M | 0.5% | ▲ Add | 3 | SEC ↗ ×2 |
| 49 | California Public Employees… | 5.40M | -26.9% | $693.74M | 0.4% | ▼ Trim | 3 | SEC ↗ |
| 50 | American Century Companies Inc | 4.87M | -12.3% | $625.28M | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 51 | Principal Financial Group Inc | 4.75M | +0.9% | $610.57M | 0.3% | ▲ Add | 3 | SEC ↗ ×4 |
| 52 | Caisse De Depot Et Placement Du… | 4.45M | +17.1% | $571.58M | 0.8% | ▲ Add | 3 | SEC ↗ |
| 53 | Aberdeen Group plc | 4.31M | -7.6% | $553.80M | 0.8% | ▼ Trim | 3 | SEC ↗ ×3 |
| 54 | Canada Pension Plan Investment Board | 4.18M | +15.5% | $536.69M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 55 | Victory Capital Management Inc | 4.14M | +9.3% | $532.49M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 56 | Envestnet Asset Management Inc | 4.00M | +3.7% | $513.60M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 57 | Arrowstreet Capital ✦ | 3.97M | +35.1% | $509.70M | 0.2% | ▲ Add | 9 | SEC ↗ |
| 58 | Allianz Asset Management GmbH | 3.85M | -3.0% | $494.09M | 0.5% | ▼ Trim | 3 | SEC ↗ ×7 |
| 59 | LPL Financial LLC | 3.84M | +1.4% | $493.02M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 60 | Rhumbline Advisers | 3.81M | +0.3% | $489.52M | 0.4% | ▲ Add | 3 | SEC ↗ |
| 61 | Bank Julius Baer & Co. Ltd, Zurich | 3.73M | +0.8% | $480.28M | 1.2% | ▲ Add | 3 | SEC ↗ |
| 62 | HighTower Advisors, LLC | 3.68M | +1.2% | $472.87M | 0.5% | ▲ Add | 3 | SEC ↗ |
| 63 | Citigroup Inc | 3.61M | +30.1% | $464.52M | 0.2% | ▲ Add | 3 | SEC ↗ ×4 |
| 64 | Neuberger Berman Group LLC | 3.53M | +7.7% | $454.22M | 0.3% | ▲ Add | 3 | SEC ↗ ×2 |
| 65 | Nordea Investment Management Ab | 3.50M | -58.9% | $445.12M | 0.4% | ▼ Trim | 3 | SEC ↗ ×3 |
| 66 | Ensign Peak Advisors, Inc | 3.36M | +28.8% | $432.38M | 0.7% | ▲ Add | 3 | SEC ↗ |
| 67 | Aviva Plc | 3.26M | +0.8% | $419.44M | 0.6% | ▲ Add | 3 | SEC ↗ |
| 68 | Bnp Paribas Financial Markets | 3.13M | +41.9% | $402.33M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 69 | Royal London Asset Management Ltd | 2.99M | +3.1% | $383.83M | 0.7% | ▲ Add | 3 | SEC ↗ |
| 70 | New York State Common Retirement… | 2.91M | -17.2% | $373.91M | 0.5% | ▼ Trim | 3 | SEC ↗ |
| 71 | Federated Hermes, Inc. | 2.85M | -5.2% | $366.52M | 0.5% | ▼ Trim | 3 | SEC ↗ ×5 |
| 72 | Mariner, LLC | 2.78M | -0.5% | $357.48M | 0.4% | ▼ Trim | 3 | SEC ↗ ×3 |
| 73 | D. E. Shaw & Co. ✦ | 2.74M | -19.4% | $351.84M | 0.2% | ▼ Trim | 9 | SEC ↗ ×2 |
| 74 | Jennison Associates Llc | 2.73M | -56.3% | $350.67M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 75 | First Trust Advisors Lp | 2.59M | -42.0% | $333.05M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 76 | Russell Investments Group, Ltd. | 2.58M | +2.0% | $331.93M | 0.3% | ▲ Add | 3 | SEC ↗ ×21 |
| 77 | BNP Paribas Asset Management… | 2.58M | +11.5% | $331.76M | 0.3% | ▲ Add | 3 | SEC ↗ ×4 |
| 78 | Jones Financial Companies Lllp | 2.55M | -4.2% | $327.91M | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 79 | Corient Private Wealth LP | 2.51M | +3.3% | $322.37M | 0.4% | ▲ Add | 3 | SEC ↗ ×3 |
| 80 | Alyeska Investment Group, L.P. | 2.48M | +7.6% | $318.76M | 0.8% | ▲ Add | 3 | SEC ↗ |
| 81 | Schroder Investment Management Group | 2.46M | +39.8% | $315.55M | 0.2% | ▲ Add | 2 | SEC ↗ ×5 |
| 82 | National Bank Of Canada /Fi/ | 2.43M | +24.1% | $312.67M | 0.3% | ▲ Add | 3 | SEC ↗ ×5 |
| 83 | Robeco Institutional Asset… | 2.37M | +2.2% | $305.06M | 0.4% | ▲ Add | 3 | SEC ↗ |
| 84 | Mackenzie Financial Corp | 2.37M | -5.7% | $304.99M | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 85 | Td Asset Management Inc | 2.33M | +2.0% | $300.01M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 86 | Truist Financial Corp | 2.31M | +3.9% | $296.64M | 0.4% | ▲ Add | 3 | SEC ↗ ×3 |
| 87 | Bank Of Nova Scotia | 2.19M | +50.4% | $281.70M | 0.4% | ▲ Add | 3 | SEC ↗ ×3 |
| 88 | Danske Bank A/S | 2.15M | +21.0% | $276.53M | 0.6% | ▲ Add | 3 | SEC ↗ ×3 |
| 89 | State Board Of Administration Of… | 2.14M | -2.9% | $275.10M | 0.5% | ▼ Trim | 3 | SEC ↗ |
| 90 | Manufacturers Life Insurance… | 2.07M | +12.3% | $266.40M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 91 | Captrust Financial Advisors | 2.05M | +11.5% | $263.99M | 0.4% | ▲ Add | 3 | SEC ↗ |
| 92 | Mirae Asset Global Investments Co.… | 2.03M | +13.7% | $261.25M | 0.5% | ▲ Add | 3 | SEC ↗ ×3 |
| 93 | Adage Capital Partners ✦ | 2.03M | -24.5% | $260.86M | 0.4% | ▼ Trim | 9 | SEC ↗ |
| 94 | Citadel Advisors ✦ | 1.93M | -49.4% | $248.48M | 0.1% | ▼ Trim | 4 | SEC ↗ ×2 |
| 95 | Capital Research Global Investors | 1.93M | -6.6% | $247.36M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | Prudential Financial Inc | 1.91M | -2.5% | $245.89M | 0.3% | ▼ Trim | 3 | SEC ↗ ×2 |
| 97 | Universal- Beteiligungs- und… | 1.91M | -6.9% | $244.87M | 0.4% | ▼ Trim | 3 | SEC ↗ |
| 98 | Korea Investment CORP | 1.86M | -1.9% | $239.19M | 0.5% | ▼ Trim | 3 | SEC ↗ |
| 99 | Rockefeller Capital Management L.P. | 1.85M | +5.5% | $237.52M | 0.4% | ▲ Add | 3 | SEC ↗ ×7 |
| 100 | Lazard Asset Management Llc | 1.84M | -43.4% | $236.90M | 0.4% | ▼ Trim | 3 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $4.75B | 0.5% |
Exited
| Marshall Wace | $334.20M | was 0.4% |
| Peak6 Llc | $5.84M | was 0.2% |
| Optiver Holding B.V. | $518,811 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 3,742 holders, 1.88B shares, $215.80B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 13
Guindo Chirfi
Officer · 10.00K sh · $1.35M
Aug 12
Zachary Jennifer
Officer · 80.31K sh · $10.72M
Aug 12
DeLuca Richard R.
Officer · 11.10K sh · $1.46M
Aug 12
DeLuca Richard R.
Officer · 600 sh · $79,222
Aug 11
DeLuca Richard R.
Officer · 5.43K sh · $718,261
Aug 11
DeLuca Richard R.
Officer · 7.41K sh · $973,165
Aug 10
DeLuca Richard R.
Officer · 20.78K sh · $2.71M
Aug 06
DeLuca Richard R.
Officer · 805 sh · $105,472
Aug 06
DeLuca Richard R.
Officer · 4.95K sh · $643,993
Aug 06
DeLuca Richard R.
Officer · 300 sh · $39,307
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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