Security record · archived quarter
MRK
Merck & Co., Inc. · Healthcare · Drug Manufacturers - General
185Tracked holders
+1Δ holders
1.56BShares held
$186.85BReported value
+3New positions
−3Exits
Momentum inputs (comparable managers):
holder breadth +0.5% ·
share flow +0.5% ·
net new positions 0.0%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 4 | 0 | 3.91M | $541.94M | n/a | −2 |
| Q2 2026 | 181 | 0 | 1.58B | $203.59B | +4 | −5 |
| Q1 2026 | 185 | +1 | 1.56B | $186.85B | +3 | −3 |
| Q4 2025 | 183 | 0 | 1.68B | $176.48B | +1 | n/a |
| 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 | n/a | −1 |
| Q4 2024 | 23 | -1 | 374.82M | $37.37B | n/a | −1 |
| Q3 2024 | 23 | +1 | 256.79M | $29.14B | +1 | n/a |
| Q2 2024 | 22 | n/a | 256.16M | $31.70B | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 225.83M | +3.1% | $27.17B | 0.5% | ▲ Add | 4 | SEC ↗ ×23 |
| 2 | Vanguard Capital Management Llc | 160.99M | n/a | $19.37B | 0.5% | n/c | 1 | SEC ↗ |
| 3 | State Street Global Advisors ✦ (passive) | 119.33M | -0.6% | $14.45B | 0.5% | ▼ Trim | 6 | SEC ↗ |
| 4 | Wellington Management ✦ | 84.31M | -2.5% | $10.14B | 1.9% | ▼ Trim | 8 | SEC ↗ ×9 |
| 5 | Geode Capital Management ✦ (passive) | 59.56M | -0.8% | $7.14B | 0.4% | ▼ Trim | 8 | SEC ↗ ×2 |
| 6 | JPMorgan Chase ✦ | 52.97M | +81.4% | $6.26B | 0.4% | ▲ Add | 3 | SEC ↗ ×22 |
| 7 | Charles Schwab Investment… | 49.77M | +2.5% | $5.99B | 0.9% | ▲ Add | 2 | SEC ↗ ×3 |
| 8 | Morgan Stanley ✦ | 47.63M | +6.0% | $5.73B | 0.3% | ▲ Add | 3 | SEC ↗ ×21 |
| 9 | Fidelity (FMR) ✦ | 44.52M | +9.0% | $5.35B | 0.3% | ▲ Add | 4 | SEC ↗ ×6 |
| 10 | Bank Of America Corp /De/ | 30.77M | +10.5% | $3.70B | 0.3% | ▲ Add | 2 | SEC ↗ ×8 |
| 11 | Northern Trust Corp | 27.09M | -0.5% | $3.26B | 0.4% | ▼ Trim | 2 | SEC ↗ ×12 |
| 12 | Fisher Asset Management ✦ | 26.44M | +6.3% | $3.18B | 1.1% | ▲ Add | 8 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 23.04M | +22.9% | $2.77B | 0.3% | ▲ Add | 8 | SEC ↗ ×2 |
| 14 | Invesco Ltd. | 21.86M | +6.4% | $2.63B | 0.3% | ▲ Add | 2 | SEC ↗ ×26 |
| 15 | UBS AM, a distinct business unit of… | 20.41M | +5.0% | $2.46B | 0.5% | ▲ Add | 2 | SEC ↗ ×12 |
| 16 | Goldman Sachs Group ✦ | 20.13M | +4.1% | $2.42B | 0.3% | ▲ Add | 3 | SEC ↗ ×6 |
| 17 | Legal & General Group Plc | 19.54M | -1.2% | $2.35B | 0.5% | ▼ Trim | 2 | SEC ↗ ×3 |
| 18 | Bank of New York Mellon Corp | 18.71M | -2.4% | $2.25B | 0.4% | ▼ Trim | 2 | SEC ↗ ×20 |
| 19 | Ameriprise Financial Inc | 16.26M | +1.8% | $1.96B | 0.5% | ▲ Add | 2 | SEC ↗ ×8 |
| 20 | Franklin Resources Inc | 16.27M | +1.3% | $1.96B | 0.5% | ▲ Add | 2 | SEC ↗ ×16 |
| 21 | Dimensional Fund Advisors Lp | 15.46M | +23.8% | $1.86B | 0.4% | ▲ Add | 2 | SEC ↗ ×5 |
| 22 | UBS Group AG | 13.93M | -27.4% | $1.68B | 0.3% | ▼ Trim | 2 | SEC ↗ ×12 |
| 23 | State Farm Mutual Automobile… | 13.79M | 0.0% | $1.66B | 1.3% | Held | 2 | SEC ↗ ×2 |
| 24 | Amundi | 13.76M | +2.8% | $1.66B | 0.5% | ▲ Add | 2 | SEC ↗ ×14 |
| 25 | Royal Bank Of Canada | 13.20M | +0.1% | $1.59B | 0.3% | ▲ Add | 2 | SEC ↗ ×16 |
| 26 | Deutsche Bank Ag\ | 12.54M | -1.9% | $1.51B | 0.5% | ▼ Trim | 2 | SEC ↗ ×19 |
| 27 | Harris Associates (Oakmark) ✦ | 12.37M | -12.2% | $1.49B | 2.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 28 | Wells Fargo & Company/Mn | 11.45M | +3.6% | $1.38B | 0.3% | ▲ Add | 2 | SEC ↗ ×5 |
| 29 | Nuveen, LLC | 10.10M | +45.1% | $1.21B | 0.3% | ▲ Add | 2 | SEC ↗ ×3 |
| 30 | Alliancebernstein L.P. | 11.30M | +30.9% | $1.19B | 0.4% | ▲ Add | 2 | SEC ↗ |
| 31 | AQR Capital Management ✦ | 8.63M | -23.3% | $1.04B | 0.5% | ▼ Trim | 8 | SEC ↗ ×11 |
| 32 | Nordea Investment Management Ab | 8.53M | -19.4% | $1.02B | 1.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 33 | Stifel Financial Corp | 8.29M | -3.0% | $997.43M | 0.9% | ▼ Trim | 2 | SEC ↗ ×8 |
| 34 | Hsbc Holdings Plc | 7.63M | -52.7% | $918.38M | 0.5% | ▼ Trim | 2 | SEC ↗ ×12 |
| 35 | Barclays Plc | 7.56M | +58.3% | $909.09M | 0.3% | ▲ Add | 2 | SEC ↗ ×8 |
| 36 | Pnc Financial Services Group, Inc. | 7.53M | -1.2% | $905.84M | 0.5% | ▼ Trim | 2 | SEC ↗ ×10 |
| 37 | California Public Employees… | 7.38M | -13.8% | $888.11M | 0.5% | ▼ Trim | 2 | SEC ↗ |
| 38 | Swiss National Bank | 7.28M | +6.4% | $876.21M | 0.5% | ▲ Add | 2 | SEC ↗ |
| 39 | Swedbank AB | 7.09M | -7.3% | $853.06M | 0.9% | ▼ Trim | 2 | SEC ↗ ×3 |
| 40 | Grantham, Mayo, Van Otterloo & Co.… | 7.01M | +2.1% | $843.69M | 2.2% | ▲ Add | 2 | SEC ↗ |
| 41 | Aristotle Capital Management, LLC | 6.89M | -5.3% | $829.34M | 1.7% | ▼ Trim | 2 | SEC ↗ |
| 42 | Raymond James Financial Inc | 6.59M | -5.0% | $791.91M | 0.2% | ▼ Trim | 2 | SEC ↗ ×6 |
| 43 | Sumitomo Mitsui Trust Group, Inc. | 6.27M | -10.1% | $754.14M | 0.5% | ▼ Trim | 2 | SEC ↗ |
| 44 | Jennison Associates Llc | 6.25M | +12.4% | $751.73M | 0.5% | ▲ Add | 2 | SEC ↗ ×2 |
| 45 | Mitsubishi UFJ Asset Management… | 5.78M | +6.8% | $695.58M | 0.5% | ▲ Add | 2 | SEC ↗ |
| 46 | National Pension Service | 5.76M | -0.5% | $693.12M | 0.5% | ▼ Trim | 2 | SEC ↗ |
| 47 | American Century Companies Inc | 5.55M | +3.3% | $667.35M | 0.3% | ▲ Add | 2 | SEC ↗ |
| 48 | Voya Investment Management Llc | 5.16M | +72.8% | $620.59M | 0.7% | ▲ Add | 2 | SEC ↗ ×2 |
| 49 | Bank Of Montreal /Can/ | 4.83M | -10.1% | $581.14M | 0.2% | ▼ Trim | 2 | SEC ↗ ×9 |
| 50 | Principal Financial Group Inc | 4.71M | -7.3% | $566.56M | 0.3% | ▼ Trim | 2 | SEC ↗ ×4 |
| 51 | Aberdeen Group plc | 4.67M | +0.3% | $561.18M | 0.9% | ▲ Add | 2 | SEC ↗ ×3 |
| 52 | First Trust Advisors Lp | 4.47M | -3.5% | $537.16M | 0.4% | ▼ Trim | 2 | SEC ↗ |
| 53 | Allianz Asset Management GmbH | 3.96M | -0.1% | $476.94M | 0.6% | ▼ Trim | 2 | SEC ↗ ×7 |
| 54 | Envestnet Asset Management Inc | 3.85M | +20.2% | $463.47M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 55 | California State Teachers… | 3.84M | -2.8% | $461.39M | 0.5% | ▼ Trim | 2 | SEC ↗ |
| 56 | Citadel Advisors ✦ | 3.82M | -44.0% | $459.66M | 0.3% | ▼ Trim | 3 | SEC ↗ ×2 |
| 57 | Caisse De Depot Et Placement Du… | 3.80M | -8.0% | $457.03M | 0.7% | ▼ Trim | 2 | SEC ↗ |
| 58 | Rhumbline Advisers | 3.80M | -4.5% | $456.79M | 0.4% | ▼ Trim | 2 | SEC ↗ |
| 59 | Victory Capital Management Inc | 3.79M | -21.2% | $455.87M | 0.3% | ▼ Trim | 2 | SEC ↗ |
| 60 | LPL Financial LLC | 3.78M | +6.4% | $454.96M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 61 | Bank Julius Baer & Co. Ltd, Zurich | 3.70M | +17.0% | $443.27M | 1.3% | ▲ Add | 2 | SEC ↗ |
| 62 | HighTower Advisors, LLC | 3.64M | -4.8% | $437.31M | 0.5% | ▼ Trim | 2 | SEC ↗ |
| 63 | Canada Pension Plan Investment Board | 3.62M | -16.2% | $435.07M | 0.3% | ▼ Trim | 2 | SEC ↗ |
| 64 | New York State Common Retirement… | 3.52M | -1.1% | $422.94M | 0.6% | ▼ Trim | 2 | SEC ↗ |
| 65 | D. E. Shaw & Co. ✦ | 3.40M | -3.4% | $408.70M | 0.3% | ▼ Trim | 8 | SEC ↗ ×2 |
| 66 | Neuberger Berman Group LLC | 3.28M | +7.9% | $394.61M | 0.3% | ▲ Add | 2 | SEC ↗ ×2 |
| 67 | Lazard Asset Management Llc | 3.25M | -26.2% | $391.46M | 0.6% | ▼ Trim | 2 | SEC ↗ ×2 |
| 68 | Aviva Plc | 3.24M | +12.1% | $389.33M | 0.7% | ▲ Add | 2 | SEC ↗ |
| 69 | Federated Hermes, Inc. | 3.01M | +20.7% | $361.84M | 0.6% | ▲ Add | 2 | SEC ↗ ×5 |
| 70 | Arrowstreet Capital ✦ | 2.94M | -70.5% | $353.21M | 0.2% | ▼ Trim | 8 | SEC ↗ |
| 71 | Royal London Asset Management Ltd | 2.90M | -9.4% | $348.38M | 0.7% | ▼ Trim | 2 | SEC ↗ |
| 72 | Janus Henderson Group Plc | 2.88M | +52.8% | $346.47M | 0.2% | ▲ Add | 2 | SEC ↗ ×3 |
| 73 | Mariner, LLC | 2.80M | +1.5% | $336.20M | 0.4% | ▲ Add | 2 | SEC ↗ ×4 |
| 74 | Citigroup Inc | 2.78M | +5.4% | $334.30M | 0.2% | ▲ Add | 2 | SEC ↗ ×4 |
| 75 | Marshall Wace ✦ | 2.78M | -30.0% | $334.20M | 0.4% | ▼ Trim | 8 | SEC ↗ ×2 |
| 76 | Adage Capital Partners ✦ | 2.69M | 0.0% | $323.27M | 0.5% | ▼ Trim | 8 | SEC ↗ |
| 77 | Jones Financial Companies Lllp | 2.66M | +202.3% | $318.21M | 0.2% | ▲ Add | 2 | SEC ↗ ×2 |
| 78 | Ensign Peak Advisors, Inc | 2.61M | +42.1% | $314.32M | 0.6% | ▲ Add | 2 | SEC ↗ |
| 79 | Mackenzie Financial Corp | 2.52M | +71.8% | $302.82M | 0.4% | ▲ Add | 2 | SEC ↗ |
| 80 | Russell Investments Group, Ltd. | 2.53M | -21.3% | $301.93M | 0.3% | ▼ Trim | 2 | SEC ↗ ×17 |
| 81 | Corient Private Wealth LP | 2.43M | -68.2% | $291.20M | 0.4% | ▼ Trim | 2 | SEC ↗ ×2 |
| 82 | Robeco Institutional Asset… | 2.32M | -7.0% | $279.35M | 0.4% | ▼ Trim | 2 | SEC ↗ |
| 83 | BNP Paribas Asset Management… | 2.32M | -12.8% | $278.60M | 0.3% | ▼ Trim | 2 | SEC ↗ ×3 |
| 84 | Alyeska Investment Group, L.P. | 2.31M | +46.2% | $277.34M | 0.8% | ▲ Add | 2 | SEC ↗ |
| 85 | Td Asset Management Inc | 2.29M | +2.6% | $275.29M | 0.2% | ▲ Add | 2 | SEC ↗ ×2 |
| 86 | Truist Financial Corp | 2.22M | +8.4% | $267.17M | 0.4% | ▲ Add | 2 | SEC ↗ ×3 |
| 87 | Bnp Paribas Financial Markets | 2.21M | -8.6% | $265.39M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 88 | State Board Of Administration Of… | 2.20M | -1.2% | $265.12M | 0.5% | ▼ Trim | 2 | SEC ↗ |
| 89 | Sei Investments Co | 2.10M | +13.9% | $252.89M | 0.2% | ▲ Add | 2 | SEC ↗ ×3 |
| 90 | Capital Research Global Investors | 2.06M | -2.4% | $247.99M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 91 | Universal- Beteiligungs- und… | 2.05M | -8.8% | $247.08M | 0.4% | ▼ Trim | 2 | SEC ↗ |
| 92 | Millennium Management ✦ | 1.97M | -71.0% | $237.05M | 0.2% | ▼ Trim | 8 | SEC ↗ |
| 93 | Prudential Financial Inc | 1.96M | -7.3% | $236.05M | 0.3% | ▼ Trim | 2 | SEC ↗ ×2 |
| 94 | National Bank Of Canada /Fi/ | 1.96M | -2.3% | $235.95M | 0.2% | ▼ Trim | 2 | SEC ↗ ×5 |
| 95 | Korea Investment CORP | 1.90M | -5.4% | $228.21M | 0.5% | ▼ Trim | 2 | SEC ↗ |
| 96 | Manufacturers Life Insurance… | 1.85M | -0.3% | $222.01M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 97 | Captrust Financial Advisors | 1.84M | +10.7% | $221.66M | 0.4% | ▲ Add | 2 | SEC ↗ |
| 98 | Balyasny Asset Management L.P. | 1.81M | -17.1% | $218.04M | 0.4% | ▼ Trim | 2 | SEC ↗ |
| 99 | Mirae Asset Global Investments Co.… | 1.79M | -5.0% | $215.01M | 0.6% | ▼ Trim | 2 | SEC ↗ ×5 |
| 100 | Danske Bank A/S | 1.78M | -4.6% | $214.02M | 0.5% | ▼ Trim | 2 | SEC ↗ ×3 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Norges Bank | $4.00B | was 0.4% |
| Bridgewater Associates | $32.65M | was 0.1% |
| Walleye Trading LLC | $12.75M | was 0.2% |
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: Q1 2026 ·
Methodology ·
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