BIIB
Biogen Inc. · Healthcare · Drug Manufacturers - General
Señales de momentum (gestores comparables):
amplitud de titulares -5.9% ·
flujo de acciones +4.7% ·
nuevas posiciones netas -6.2%
— 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 Q4 2024
| 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 ✦ | 16.05M | -1.6% | $2.45B | 1.9% | ▼ Trim | 3 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (pasivo) | 7.40M | — | $1.13B | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Wellington Management ✦ | 4.93M | -3.9% | $754.01M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 4 | Wellington Management ✦ | 4.93M | -3.9% | $754.01M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 5 | Wellington Management ✦ | 4.93M | -3.9% | $754.01M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 6 | Wellington Management ✦ | 4.93M | -3.9% | $754.01M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 7 | Wellington Management ✦ | 4.93M | -3.9% | $754.01M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 8 | Geode Capital Management ✦ (pasivo) | 3.70M | +2.3% | $563.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | Geode Capital Management ✦ (pasivo) | 3.70M | +2.3% | $563.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Norges Bank ✦ (pasivo) | 2.33M | +2.7% | $355.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 1.93M | +1.1% | $295.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | T. Rowe Price ✦ | 1.93M | +1.1% | $295.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | D. E. Shaw & Co. ✦ | 1.61M | +270.1% | $246.19M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 14 | Renaissance Technologies ✦ | 1.19M | +25.1% | $182.31M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 15 | Two Sigma Investments ✦ | 852.34K | +31.4% | $130.34M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 16 | Millennium Management ✦ | 543.84K | +36.6% | $83.16M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 539.69K | +982.0% | $81.91M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 539.69K | +982.0% | $81.91M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 539.69K | +982.0% | $81.91M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 539.69K | +982.0% | $81.91M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 539.69K | +982.0% | $81.91M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 22 | Fisher Asset Management ✦ | 180.92K | +171.0% | $27.67M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | Citadel Advisors ✦ | 153.66K | -58.7% | $23.50M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 24 | Gotham Asset Management ✦ | 89.63K | +111.2% | $13.71M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 25 | Marshall Wace ✦ | 79.95K | +20.6% | $12.23M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Marshall Wace ✦ | 79.95K | +20.6% | $12.23M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Bridgewater Associates ✦ | 70.03K | -2.9% | $10.71M | 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
| Sin nuevos compradores rastreados este trimestre. |
Posición cerrada
| Adage Capital Partners | $8.88M | 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.