BIIB
Biogen Inc. · Healthcare · Drug Manufacturers - General
Señales de momentum (gestores comparables):
amplitud de titulares +12.5% ·
flujo de acciones +0.5% ·
nuevas posiciones netas +11.1%
— fórmula
Acumulación amplia — aumento de acciones entre más 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 | 161 | 0 | 119.37M | $25.77B | +6 | −5 |
| Q1 2026 | 163 | -1 | 110.78M | $20.30B | +4 | −6 |
| Q4 2025 | 163 | 0 | 123.15M | $21.67B | +2 | −1 |
| Q3 2025 | 24 | +1 | 81.72M | $11.44B | +1 | −1 |
| Q2 2025 | 21 | 0 | 78.50M | $9.86B | — | — |
| Q1 2025 | 18 | +2 | 41.87M | $5.73B | +3 | −1 |
| Q4 2024 | 16 | -1 | 41.64M | $6.37B | — | −1 |
| Q3 2024 | 16 | +2 | 32.39M | $6.28B | +2 | — |
| Q2 2024 | 14 | — | 30.72M | $7.12B | — | — |
| # | Gestor | Acciones | Δ acciones | Valor | Su ponderación | Mantenida | ||
|---|---|---|---|---|---|---|---|---|
| 1 | PRIMECAP Management ✦ | 15.94M | -0.6% | $2.18B | 1.8% | ▼ Trim | 4 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (pasivo) | 7.40M | 0.0% | $1.01B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | Wellington Management ✦ | 4.67M | -5.2% | $639.38M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 4 | Wellington Management ✦ | 4.67M | -5.2% | $639.38M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 5 | Wellington Management ✦ | 4.67M | -5.2% | $639.38M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 6 | Wellington Management ✦ | 4.67M | -5.2% | $639.38M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 7 | Wellington Management ✦ | 4.67M | -5.2% | $639.38M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 8 | Geode Capital Management ✦ (pasivo) | 3.85M | +4.1% | $524.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | Geode Capital Management ✦ (pasivo) | 3.85M | +4.1% | $524.77M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | Norges Bank ✦ (pasivo) | 2.15M | -7.4% | $294.67M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 1.59M | -1.5% | $216.97M | 0.3% | ▼ Trim | 4 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 1.59M | -1.5% | $216.97M | 0.3% | ▼ Trim | 4 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 1.37M | +153.6% | $187.26M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 1.37M | +153.6% | $187.26M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 1.37M | +153.6% | $187.26M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 1.37M | +153.6% | $187.26M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 1.37M | +153.6% | $187.26M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 1.37M | +153.6% | $187.26M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 1.37M | +153.6% | $187.26M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 20 | T. Rowe Price ✦ | 1.15M | -40.5% | $157.53M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 21 | T. Rowe Price ✦ | 1.15M | -40.5% | $157.53M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 22 | Two Sigma Investments ✦ | 879.33K | +3.2% | $120.33M | 0.3% | ▲ Add | 4 | SEC ↗ |
| 23 | Renaissance Technologies ✦ | 804.51K | -32.5% | $110.09M | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 24 | Citadel Advisors ✦ | 541.76K | +252.6% | $74.13M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 25 | Citadel Advisors ✦ | 541.76K | +252.6% | $74.13M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 26 | Millennium Management ✦ | 424.00K | -22.0% | $58.02M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 27 | Point72 Asset Management ✦ | 407.26K | Nuevo | $55.73M | 0.2% | New | 1 | SEC ↗ |
| 28 | Fisher Asset Management ✦ | 299.03K | +65.3% | $40.92M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 29 | Arrowstreet Capital ✦ | 214.78K | Nuevo | $29.39M | 0.0% | New | 1 | SEC ↗ |
| 30 | Gotham Asset Management ✦ | 99.23K | +10.7% | $13.58M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 31 | Adage Capital Partners ✦ | 70.77K | Nuevo | $9.68M | 0.0% | New | 1 | SEC ↗ |
| 32 | Marshall Wace ✦ | 5.90K | -92.6% | $807,356 | 0.0% | ▼ Trim | 3 | SEC ↗ |
«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
| Point72 Asset Management | $55.73M | 0.2% |
| Arrowstreet Capital | $29.39M | 0.0% |
| Adage Capital Partners | $9.68M | 0.0% |
Posición cerrada
| Bridgewater Associates | $10.71M | era 0.0% |
Contexto de mercado completo: entre TODOS los filers 13F (datos estructurados SEC, Q1 2026): 995 tenedores, 132.27M acciones, $23.30B 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.