BIIB
Biogen Inc. · Healthcare · Drug Manufacturers - General
Señales de momentum (gestores comparables):
amplitud de titulares +4.3% ·
flujo de acciones -0.4% ·
nuevas posiciones netas 0.0%
— fórmula
Fragmentación de la titularidad — más titulares, participación agregada menor
Todas las cifras de propiedad: únicamente gestores 13F seguidos, posiciones en acciones ordinarias, período de referencia Q3 2025
| Trimestre | Titulares | Δ | Acciones | Valor declarado | Nuevo | Cierres |
|---|---|---|---|---|---|---|
| Q2 2026 | 161 | 0 | 119.37M | $25.78B | +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 | The Vanguard Group ✦ (pasivo) | 17.29M | 0.0% | $2.42B | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 2 | PRIMECAP Management ✦ | 14.95M | -5.4% | $2.09B | 1.6% | ▼ Trim | 6 | SEC ↗ |
| 3 | BlackRock ✦ (pasivo) | 14.76M | +8.9% | $2.07B | 0.0% | ▲ Add | 2 | SEC ↗ ×21 |
| 4 | State Street Global Advisors ✦ (pasivo) | 7.32M | -2.0% | $1.03B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 5 | Wellington Management ✦ | 4.25M | -11.5% | $594.85M | 0.1% | ▼ Trim | 6 | SEC ↗ ×5 |
| 6 | Geode Capital Management ✦ (pasivo) | 4.07M | +3.8% | $567.74M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 7 | Point72 Asset Management ✦ | 3.87M | +1.1% | $542.52M | 1.3% | ▲ Add | 3 | SEC ↗ |
| 8 | JPMorgan Chase ✦ | 2.54M | — | $355.34M | 0.0% | n/c | 1 | SEC ↗ ×30 |
| 9 | Morgan Stanley ✦ | 2.25M | — | $315.40M | 0.0% | n/c | 1 | SEC ↗ ×19 |
| 10 | AQR Capital Management ✦ | 1.78M | +30.7% | $248.81M | 0.2% | ▲ Add | 6 | SEC ↗ ×6 |
| 11 | Fidelity (FMR) ✦ | 1.29M | -23.1% | $180.39M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 12 | Millennium Management ✦ | 1.11M | +64.5% | $155.66M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 13 | Goldman Sachs Group ✦ | 1.06M | — | $148.99M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 14 | T. Rowe Price ✦ | 965.46K | +15.8% | $135.24M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 15 | Renaissance Technologies ✦ | 964.41K | -7.7% | $135.09M | 0.2% | ▼ Trim | 6 | SEC ↗ |
| 16 | Marshall Wace ✦ | 887.66K | +434.9% | $124.34M | 0.1% | ▲ Add | 5 | SEC ↗ ×3 |
| 17 | D. E. Shaw & Co. ✦ | 477.92K | -65.0% | $66.95M | 0.1% | ▼ Trim | 6 | SEC ↗ ×2 |
| 18 | Arrowstreet Capital ✦ | 380.79K | -39.0% | $53.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | Citadel Advisors ✦ | 372.73K | -38.8% | $52.21M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 20 | Adage Capital Partners ✦ | 332.13K | +34.0% | $46.53M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 21 | Fisher Asset Management ✦ | 277.29K | -4.1% | $38.84M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 22 | Gotham Asset Management ✦ | 270.50K | +65.5% | $37.89M | 0.2% | ▲ Add | 6 | SEC ↗ |
| 23 | Two Sigma Investments ✦ | 205.23K | -59.6% | $28.75M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 24 | Bridgewater Associates ✦ | 39.98K | Nuevo | $5.60M | 0.0% | New | 1 | 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
| Bridgewater Associates | $5.60M | 0.0% |
Posición cerrada
| Norges Bank | $284.36M | 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.