Ficha del valor · trimestre archivado
AMPH
Amphastar Pharmaceuticals, Inc. · Healthcare · Drug Manufacturers - Specialty & Generic
94Tenedores rastreados
-1Δ titulares
25.83MAcciones mantenidas
$677.54MValor declarado
+0Nuevas posiciones
−1Cierres
Señales de momentum (gestores comparables):
amplitud de titulares -1.1% ·
flujo de acciones -0.7% ·
nuevas posiciones netas -1.1%
— fórmula
Distribución amplia — caída de acciones y menos titulares
Todas las cifras de propiedad: únicamente gestores 13F seguidos, posiciones en acciones ordinarias, período de referencia Q4 2025
Participación a lo largo del tiempo
| Trimestre | Titulares | Δ | Acciones | Valor declarado | Nuevo | Cierres |
|---|---|---|---|---|---|---|
| Q2 2026 | 77 | -4 | 22.11M | $440.50M | +3 | −7 |
| Q1 2026 | 84 | -10 | 23.72M | $457.46M | +4 | −14 |
| Q4 2025 | 94 | -1 | 25.83M | $677.54M | — | −1 |
| Q3 2025 | 19 | 0 | 15.63M | $416.60M | — | — |
| Q2 2025 | 16 | +1 | 14.08M | $323.35M | +1 | — |
| Q1 2025 | 12 | -1 | 5.84M | $169.25M | — | −1 |
| Q4 2024 | 13 | 0 | 4.91M | $182.39M | — | — |
| Q3 2024 | 12 | +2 | 3.20M | $155.33M | +2 | — |
| Q2 2024 | 10 | — | 3.67M | $146.92M | — | — |
Quién lo tiene en cartera · Q4 2025
| # | Gestor | Acciones | Δ acciones | Valor | Su ponderación | Mantenida | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 2 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 3 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 6 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 7 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 11 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 14 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 15 | BlackRock ✦ (pasivo) | 5.46M | -0.4% | $146.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 16 | The Vanguard Group ✦ (pasivo) | 2.61M | -0.9% | $69.85M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | The Vanguard Group ✦ (pasivo) | 2.61M | -0.9% | $69.85M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | The Vanguard Group ✦ (pasivo) | 2.61M | -0.9% | $69.85M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | The Vanguard Group ✦ (pasivo) | 2.61M | -0.9% | $69.85M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | The Vanguard Group ✦ (pasivo) | 2.61M | -0.9% | $69.85M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | The Vanguard Group ✦ (pasivo) | 2.61M | -0.9% | $69.85M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | Td Asset Management Inc | 1.96M | — | $52.57M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | Dimensional Fund Advisors Lp | 1.80M | — | $48.20M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Dimensional Fund Advisors Lp | 1.80M | — | $48.20M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Dimensional Fund Advisors Lp | 1.80M | — | $48.20M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Dimensional Fund Advisors Lp | 1.80M | — | $48.20M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Dimensional Fund Advisors Lp | 1.80M | — | $48.20M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | State Street Global Advisors ✦ (pasivo) | 1.53M | +2.1% | $41.02M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 29 | Marshall Wace ✦ | 1.24M | +41.5% | $33.13M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 30 | Marshall Wace ✦ | 1.24M | +41.5% | $33.13M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 31 | Marshall Wace ✦ | 1.24M | +41.5% | $33.13M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 32 | Geode Capital Management ✦ (pasivo) | 886.83K | -3.9% | $23.75M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 33 | Geode Capital Management ✦ (pasivo) | 886.83K | -3.9% | $23.75M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 34 | American Century Companies Inc | 665.34K | — | $17.82M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Morgan Stanley ✦ | 591.63K | +3.0% | $15.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 591.63K | +3.0% | $15.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 591.63K | +3.0% | $15.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 591.63K | +3.0% | $15.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 591.63K | +3.0% | $15.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 591.63K | +3.0% | $15.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 591.63K | +3.0% | $15.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 591.63K | +3.0% | $15.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 591.63K | +3.0% | $15.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 591.63K | +3.0% | $15.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 591.63K | +3.0% | $15.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | Arrowstreet Capital ✦ | 559.43K | +42.6% | $14.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | D. E. Shaw & Co. ✦ | 557.07K | +7.7% | $14.92M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 48 | D. E. Shaw & Co. ✦ | 557.07K | +7.7% | $14.92M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 49 | Goldman Sachs Group ✦ | 556.71K | +130.8% | $14.91M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Goldman Sachs Group ✦ | 556.71K | +130.8% | $14.91M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Goldman Sachs Group ✦ | 556.71K | +130.8% | $14.91M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Renaissance Technologies ✦ | 544.70K | -7.2% | $14.59M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 53 | Invesco Ltd. | 501.40K | — | $13.43M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Invesco Ltd. | 501.40K | — | $13.43M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Invesco Ltd. | 501.40K | — | $13.43M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Invesco Ltd. | 501.40K | — | $13.43M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Invesco Ltd. | 501.40K | — | $13.43M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Hotchkis & Wiley Capital Management… | 402.56K | — | $10.78M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Northern Trust Corp | 371.39K | — | $9.95M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Northern Trust Corp | 371.39K | — | $9.95M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Northern Trust Corp | 371.39K | — | $9.95M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Northern Trust Corp | 371.39K | — | $9.95M | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Northern Trust Corp | 371.39K | — | $9.95M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Northern Trust Corp | 371.39K | — | $9.95M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Northern Trust Corp | 371.39K | — | $9.95M | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Charles Schwab Investment… | 350.71K | — | $9.39M | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Victory Capital Management Inc | 305.16K | — | $8.17M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Millennium Management ✦ | 290.67K | -58.3% | $7.78M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 69 | Bank of New York Mellon Corp | 559.06K | — | $7.22M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Bank of New York Mellon Corp | 559.06K | — | $7.22M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Bank of New York Mellon Corp | 559.06K | — | $7.22M | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Bank of New York Mellon Corp | 559.06K | — | $7.22M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Bank of New York Mellon Corp | 559.06K | — | $7.22M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Bank of New York Mellon Corp | 559.06K | — | $7.22M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Bank of New York Mellon Corp | 559.06K | — | $7.22M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | UBS Group AG | 256.62K | — | $6.87M | 0.0% | n/c | 1 | SEC ↗ |
| 77 | UBS Group AG | 256.62K | — | $6.87M | 0.0% | n/c | 1 | SEC ↗ |
| 78 | UBS Group AG | 256.62K | — | $6.87M | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Citadel Advisors ✦ | 228.72K | +0.9% | $6.13M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 80 | Citadel Advisors ✦ | 228.72K | +0.9% | $6.13M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 81 | Principal Financial Group Inc | 217.97K | — | $5.84M | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Principal Financial Group Inc | 217.97K | — | $5.84M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Jane Street Group, Llc | 217.54K | — | $5.83M | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Jane Street Group, Llc | 217.54K | — | $5.83M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Pacer Advisors, Inc. | 177.74K | — | $4.76M | 0.0% | n/c | 1 | SEC ↗ |
| 86 | JPMorgan Chase ✦ | 158.64K | -68.7% | $4.25M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | JPMorgan Chase ✦ | 158.64K | -68.7% | $4.25M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | JPMorgan Chase ✦ | 158.64K | -68.7% | $4.25M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 89 | JPMorgan Chase ✦ | 158.64K | -68.7% | $4.25M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 90 | JPMorgan Chase ✦ | 158.64K | -68.7% | $4.25M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 91 | JPMorgan Chase ✦ | 158.64K | -68.7% | $4.25M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 92 | JPMorgan Chase ✦ | 158.64K | -68.7% | $4.25M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 93 | First Trust Advisors Lp | 140.31K | — | $3.76M | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Ameriprise Financial Inc | 133.72K | — | $3.58M | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Ameriprise Financial Inc | 133.72K | — | $3.58M | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Nordea Investment Management Ab | 129.14K | — | $3.46M | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Nordea Investment Management Ab | 129.14K | — | $3.46M | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Bank Of America Corp /De/ | 128.17K | — | $3.43M | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Bank Of America Corp /De/ | 128.17K | — | $3.43M | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Bank Of America Corp /De/ | 128.17K | — | $3.43M | 0.0% | n/c | 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
| Sin nuevos compradores rastreados este trimestre. |
Posición cerrada
| Wellington Management | $458,353 | era 0.0% |
Contexto de mercado completo: entre TODOS los filers 13F (datos estructurados SEC, Q1 2026): 5 tenedores, 1.03M acciones, $928,379 declarado. Este es un período diferente y anterior al de las cifras del universo rastreado que figuran arriba, y ambos nunca se mezclan.
Frecuentemente cotituladas
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)
Aug 11
PRINS RICHARD K
Director · 7.97K acc. · $161,852
Aug 07
PETERS WILLIAM J
Officer, Director · 8.18K acc. · $183,886
Las adjudicaciones, ejercicios y retenciones fiscales nunca se contabilizan aquí como compras o ventas. Metodología
Jul 14
SC 13G — DIMENSIONAL FUND ADVISORS LP
Procedencia: Participación a partir de posiciones en acciones ordinarias de 13F procesadas (universo rastreado, conjuntos comparables para cambios); filas de iniciados de los Formularios 3/4/5; participaciones de los Schedules 13D/13G; cada filing enlaza con su original en SEC EDGAR.
Período de reporte: Q4 2025 ·
Metodología ·
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