UPB
Upstream Bio, Inc. · Healthcare · Biotechnology
Señales de momentum (gestores comparables):
amplitud de titulares -9.1% ·
flujo de acciones +1.7% ·
nuevas posiciones netas -10.0%
— 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 Q2 2025
| Trimestre | Titulares | Δ | Acciones | Valor declarado | Nuevo | Cierres |
|---|---|---|---|---|---|---|
| Q2 2026 | 66 | +3 | 29.87M | $206.85M | +14 | −10 |
| Q1 2026 | 64 | +3 | 24.32M | $219.33M | +14 | −12 |
| Q4 2025 | 62 | +3 | 27.51M | $746.80M | +4 | — |
| Q3 2025 | 14 | +2 | 17.53M | $329.70M | +2 | −1 |
| Q2 2025 | 10 | -1 | 15.87M | $174.20M | +1 | −2 |
| Q1 2025 | 8 | +1 | 3.40M | $20.78M | +3 | −2 |
| Q4 2024 | 7 | +6 | 3.71M | $60.61M | +6 | — |
| # | Gestor | Acciones | Δ acciones | Valor | Su ponderación | Mantenida | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 7.94M | — | $87.15M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 7.94M | — | $87.15M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 7.94M | — | $87.15M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 7.94M | — | $87.15M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 7.94M | — | $87.15M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | The Vanguard Group ✦ (pasivo) | 2.17M | — | $23.84M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | The Vanguard Group ✦ (pasivo) | 2.17M | — | $23.84M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | The Vanguard Group ✦ (pasivo) | 2.17M | — | $23.84M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (pasivo) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (pasivo) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (pasivo) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (pasivo) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (pasivo) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (pasivo) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (pasivo) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Wellington Management ✦ | 1.23M | -6.7% | $13.45M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | Wellington Management ✦ | 1.23M | -6.7% | $13.45M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Norges Bank ✦ (pasivo) | 969.92K | 0.0% | $10.65M | 0.0% | Held | 3 | SEC ↗ |
| 19 | Geode Capital Management ✦ (pasivo) | 646.63K | +57.5% | $7.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | Geode Capital Management ✦ (pasivo) | 646.63K | +57.5% | $7.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | State Street Global Advisors ✦ (pasivo) | 481.38K | +62.9% | $5.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | Marshall Wace ✦ | 290.53K | -4.7% | $3.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 23 | AQR Capital Management ✦ | 29.75K | +58.1% | $326,677 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | AQR Capital Management ✦ | 29.75K | +58.1% | $326,677 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | AQR Capital Management ✦ | 29.75K | +58.1% | $326,677 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | AQR Capital Management ✦ | 29.75K | +58.1% | $326,677 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | AQR Capital Management ✦ | 29.75K | +58.1% | $326,677 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | T. Rowe Price ✦ | 17.45K | Nuevo | $192,000 | 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
| T. Rowe Price | $192,000 | 0.0% |
Posición cerrada
| Millennium Management | $378,192 | era 0.0% |
| Two Sigma Investments | $133,349 | era 0.0% |
Contexto de mercado completo: entre TODOS los filers 13F (datos estructurados SEC, Q1 2026): 140 tenedores, 44.42M acciones, $399.81M 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.