Who Owns MRK?
MERCK & CO INC — institutional ownership across 14 tracked superinvestors.
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14
Institutional Holders
$1.78B
Total Value Held
1000.00T
Total Shares
MERCK & CO INC (MRK) is held by 14 tracked superinvestors with a combined position of $1.78B across 1000.00T shares. The largest holder is Bill Nygren (Harris Associates) with $1.55B (2.06% of portfolio).
| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|---|---|---|---|---|---|---|
| 1 | Bill Nygren | Harris Associates | 12073109 | $1.55B | 2.06% | 2026-06-30 |
| 2 | Sarah Ketterer | Causeway Capital Management | 954932 | $122.7M | 1.33% | 2026-06-30 |
| 3 | Kahn Brothers | Kahn Brothers Group | 218182 | $28.0M | 4.43% | 2026-06-30 |
| 4 | Prem Watsa | Fairfax Financial Holdings | 172900 | $22.2M | 0.84% | 2026-06-30 |
| 5 | Dodge & Cox | Dodge & Cox | 135750 | $17.4M | 0.01% | 2026-06-30 |
| 6 | FPA Queens Road | Bragg Financial Advisors | 125805 | $16.2M | 0.43% | 2026-06-30 |
| 7 | Mairs & Power | Mairs & Power | 51519 | $6.6M | 0.06% | 2026-06-30 |
| 8 | Christopher Bloomstran | Semper Augustus Investments | 44633 | $5.7M | 0.65% | 2026-06-30 |
| 9 | Ray Dalio | Bridgewater Associates | 30254 | $3.9M | 0.02% | 2026-06-30 |
| 10 | Dan Sundheim (Mine & Arao) | Mine & Arao Wealth Creation & Management | 8854 | $1.1M | 0.41% | 2026-06-30 |
| 11 | Wally Obermeyer | Obermeyer Wealth Partners | 8359 | $1.1M | 0.04% | 2026-06-30 |
| 12 | Richard Pzena | Pzena Investment Management | 2511 | $323K | 0.00% | 2026-06-30 |
| 13 | David Katz | Matrix Asset Advisors | 1671 | $215K | 0.02% | 2026-06-30 |
| 14 | Tom Russo | Gardner Russo & Gardner | 1642 | $211K | 0.00% | 2026-06-30 |
Ownership history
| Period | Holders | Total Value | Total Shares |
|---|---|---|---|
| 2023-06-30 | 1 | $1.0M | 8,693 |
| 2023-09-30 | 5 | $68.8M | 1000.00T |
| 2023-12-31 | 6 | $106.1M | 1000.00T |
| 2024-03-31 | 9 | $523.3M | 1000.00T |
| 2024-06-30 | 9 | $432.2M | 1000.00T |
| 2024-09-30 | 10 | $690.7M | 1000.00T |
| 2024-12-31 | 12 | $889.6M | 1000.00T |
| 2025-03-31 | 13 | $910.1M | 1000.00T |
| 2025-06-30 | 13 | $978.3M | 1000.00T |
| 2025-09-30 | 13 | $1.05B | 1000.00T |
| 2025-12-31 | 13 | $1.73B | 1000.00T |
| 2026-03-31 | 13 | $1.69B | 1000.00T |