MRK
Merck & Co., Inc. · Healthcare · Drug Manufacturers - General
Señales de momentum (gestores comparables):
amplitud de titulares -4.3% ·
flujo de acciones +3.1% ·
nuevas posiciones netas -4.5%
— fórmula
Acumulación concentrada — aumento de acciones entre menos titulares
Todas las cifras de propiedad: únicamente gestores 13F seguidos, posiciones en acciones ordinarias, período de referencia Q1 2025
| Trimestre | Titulares | Δ | Acciones | Valor declarado | Nuevo | Cierres |
|---|---|---|---|---|---|---|
| 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 | — | — |
| # | Gestor | Acciones | Δ acciones | Valor | Su ponderación | Mantenida | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (pasivo) | 120.53M | -0.3% | $10.91B | 0.5% | ▼ Trim | 2 | SEC ↗ |
| 2 | Wellington Management ✦ | 81.67M | +1.1% | $7.33B | 1.4% | ▲ Add | 4 | SEC ↗ ×9 |
| 3 | Geode Capital Management ✦ (pasivo) | 59.66M | -2.5% | $5.34B | 0.4% | ▼ Trim | 4 | SEC ↗ ×2 |
| 4 | Norges Bank ✦ (pasivo) | 38.23M | +9.3% | $3.43B | 0.5% | ▲ Add | 4 | SEC ↗ |
| 5 | Fisher Asset Management ✦ | 24.45M | +51.7% | $2.19B | 0.9% | ▲ Add | 4 | SEC ↗ |
| 6 | Arrowstreet Capital ✦ | 14.36M | +121.9% | $1.29B | 1.0% | ▲ Add | 4 | SEC ↗ |
| 7 | T. Rowe Price ✦ | 11.77M | -6.0% | $1.06B | 0.1% | ▼ Trim | 4 | SEC ↗ ×2 |
| 8 | D. E. Shaw & Co. ✦ | 9.31M | +46.1% | $835.82M | 1.1% | ▲ Add | 4 | SEC ↗ ×2 |
| 9 | AQR Capital Management ✦ | 7.76M | +44.3% | $691.07M | 0.7% | ▲ Add | 4 | SEC ↗ ×7 |
| 10 | Harris Associates (Oakmark) ✦ | 7.47M | +19.6% | $670.45M | 1.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 11 | Millennium Management ✦ | 3.52M | -1.6% | $316.37M | 0.3% | ▼ Trim | 4 | SEC ↗ |
| 12 | Two Sigma Investments ✦ | 2.20M | +14.1% | $197.53M | 0.4% | ▲ Add | 4 | SEC ↗ |
| 13 | Citadel Advisors ✦ | 2.05M | -61.2% | $183.89M | 0.2% | ▼ Trim | 4 | SEC ↗ ×2 |
| 14 | Adage Capital Partners ✦ | 2.03M | +35.5% | $181.90M | 0.3% | ▲ Add | 4 | SEC ↗ |
| 15 | Bridgewater Associates ✦ | 534.87K | -62.8% | $48.01M | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 16 | Gotham Asset Management ✦ | 395.42K | -7.0% | $35.49M | 0.3% | ▼ Trim | 4 | SEC ↗ |
| 17 | Renaissance Technologies ✦ | 221.69K | -84.0% | $19.90M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 18 | Fairfax Financial ✦ | 172.90K | 0.0% | $15.51M | 0.8% | Held | 4 | SEC ↗ |
| 19 | Dodge & Cox ✦ | 157.07K | -0.2% | $14.10M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 20 | GAMCO Investors ✦ | 72.63K | -8.2% | $6.52M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 21 | PRIMECAP Management ✦ | 57.50K | -4.8% | $5.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 22 | Marshall Wace ✦ | 7.61K | +2198.2% | $682,804 | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
«Su ponderación» = la participación de la posición en el valor de renta variable 13F declarado por ese gestor — la medida de convicción. ✦ = gestor seleccionado.
Nuevos compradores
| Sin nuevos compradores rastreados este trimestre. |
Posición cerrada
| Capital World Investors | $786.58M | era 0.1% |
Contexto de mercado completo: entre TODOS los filers 13F (datos estructurados SEC, Q1 2026): 3,742 tenedores, 1.88B acciones, $215.80B declarado. Este es un período diferente y anterior al de las cifras del universo rastreado que figuran arriba, y ambos nunca se mezclan.
Qué otros valores suelen tener también los tenedores rastreados de este activo — recuentos de cotenencia, no relaciones fundamentales.
Compras en mercado abierto (P)
Sin compras en mercado abierto por parte de insiders en nuestra ventana de cobertura.
Ventas en mercado abierto (S)
Officer · 10.00K acc. · $1.35M
Officer · 80.31K acc. · $10.72M
Officer · 11.10K acc. · $1.46M
Officer · 600 acc. · $79,222
Officer · 5.43K acc. · $718,261
Officer · 7.41K acc. · $973,165
Officer · 20.78K acc. · $2.71M
Officer · 805 acc. · $105,472
Officer · 4.95K acc. · $643,993
Officer · 300 acc. · $39,307
Las adjudicaciones, ejercicios y retenciones fiscales nunca se contabilizan aquí como compras o ventas. Metodología