Ficha del valor · trimestre archivado
AMPH
Amphastar Pharmaceuticals, Inc. · Healthcare · Drug Manufacturers - Specialty & Generic
84Tenedores rastreados
-10Δ titulares
23.72MAcciones mantenidas
$457.46MValor declarado
+4Nuevas posiciones
−14Cierres
Señales de momentum (gestores comparables):
amplitud de titulares -10.6% ·
flujo de acciones -4.2% ·
nuevas posiciones netas -11.9%
— 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 Q1 2026
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 · Q1 2026
| # | Gestor | Acciones | Δ acciones | Valor | Su ponderación | Mantenida | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (pasivo) | 5.42M | -0.7% | $106.20M | 0.0% | ▼ Trim | 4 | SEC ↗ ×15 |
| 2 | Dimensional Fund Advisors Lp | 2.03M | +12.7% | $39.73M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (pasivo) | 1.61M | +4.9% | $31.49M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 4 | Vanguard Capital Management Llc | 1.54M | — | $30.24M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Td Asset Management Inc | 1.54M | -21.5% | $30.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | Marshall Wace ✦ | 1.03M | -17.1% | $20.09M | 0.0% | ▼ Trim | 8 | SEC ↗ ×3 |
| 7 | American Century Companies Inc | 1.02M | +52.9% | $19.93M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Geode Capital Management ✦ (pasivo) | 976.65K | +10.1% | $19.14M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 9 | D. E. Shaw & Co. ✦ | 665.54K | +19.5% | $13.04M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 10 | Invesco Ltd. | 604.77K | +20.6% | $11.85M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 11 | Renaissance Technologies ✦ | 553.90K | +1.7% | $10.85M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 12 | Morgan Stanley ✦ | 420.34K | -28.9% | $8.23M | 0.0% | ▼ Trim | 3 | SEC ↗ ×10 |
| 13 | UBS Group AG | 420.26K | +63.8% | $8.23M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 14 | Northern Trust Corp | 372.28K | +0.2% | $7.29M | 0.0% | ▲ Add | 2 | SEC ↗ ×7 |
| 15 | Millennium Management ✦ | 371.37K | +27.8% | $7.28M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 16 | Goldman Sachs Group ✦ | 329.39K | -40.8% | $6.45M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 17 | Arrowstreet Capital ✦ | 325.29K | -41.9% | $6.37M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 18 | Charles Schwab Investment… | 321.04K | -8.5% | $6.29M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | Pacer Advisors, Inc. | 261.48K | +47.1% | $5.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Bank of New York Mellon Corp | 543.23K | -2.8% | $5.04M | 0.0% | ▼ Trim | 2 | SEC ↗ ×7 |
| 21 | Victory Capital Management Inc | 249.62K | -18.2% | $4.89M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | Principal Financial Group Inc | 209.13K | -4.1% | $4.10M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 23 | Bank Of America Corp /De/ | 174.32K | +36.0% | $3.41M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 24 | Bnp Paribas Financial Markets | 156.08K | +29.1% | $3.06M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | First Trust Advisors Lp | 150.59K | +7.3% | $2.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | New York State Common Retirement… | 148.72K | +18.1% | $2.91M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Universal- Beteiligungs- und… | 139.40K | +379.0% | $2.73M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 28 | Franklin Resources Inc | 139.31K | +434.9% | $2.73M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 29 | Two Sigma Investments ✦ | 138.15K | +40.0% | $2.71M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 30 | Nordea Investment Management Ab | 123.82K | -4.1% | $2.42M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 31 | JPMorgan Chase ✦ | 104.57K | -34.1% | $2.01M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 32 | Jane Street Group, Llc | 92.47K | -57.5% | $1.81M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 33 | Rhumbline Advisers | 83.72K | +1.6% | $1.64M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | Legal & General Group Plc | 80.92K | -10.8% | $1.59M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 35 | AQR Capital Management ✦ | 78.78K | +16.4% | $1.54M | 0.0% | ▲ Add | 8 | SEC ↗ ×5 |
| 36 | Ameriprise Financial Inc | 78.78K | -41.1% | $1.54M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 37 | Alliancebernstein L.P. | 56.43K | -6.9% | $1.51M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 38 | Nuveen, LLC | 76.59K | +0.7% | $1.50M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 39 | Swiss National Bank | 72.60K | 0.0% | $1.42M | 0.0% | Held | 2 | SEC ↗ |
| 40 | Robeco Institutional Asset… | 66.41K | Nuevo | $1.30M | 0.0% | New | 1 | SEC ↗ |
| 41 | Citadel Advisors ✦ | 65.54K | -71.3% | $1.28M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 42 | Hrt Financial Lp | 56.18K | Nuevo | $1.10M | 0.0% | New | 1 | SEC ↗ |
| 43 | UBS AM, a distinct business unit of… | 55.38K | +0.3% | $1.08M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 44 | Assetmark, Inc | 53.74K | -1.1% | $1.05M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 45 | Prudential Financial Inc | 50.69K | +7.4% | $993,076 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | T. Rowe Price ✦ | 44.90K | +22.0% | $880,000 | 0.0% | ▲ Add | 8 | SEC ↗ |
| 47 | Wells Fargo & Company/Mn | 42.02K | -7.2% | $823,149 | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 48 | Hsbc Holdings Plc | 38.02K | Nuevo | $753,497 | 0.0% | New | 1 | SEC ↗ |
| 49 | Man Group plc | 37.27K | +163.4% | $730,198 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 50 | Citigroup Inc | 35.90K | +27.0% | $703,359 | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 51 | Deutsche Bank Ag\ | 33.13K | +12.1% | $649,036 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 52 | Squarepoint Ops LLC | 28.34K | +90.8% | $555,279 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | California State Teachers… | 28.30K | -20.9% | $554,377 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 54 | Barclays Plc | 21.28K | -71.7% | $416,934 | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 55 | Raymond James Financial Inc | 19.05K | -77.4% | $373,288 | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 56 | Envestnet Asset Management Inc | 18.27K | -36.6% | $357,870 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | State Of Wisconsin Investment Board | 17.39K | -0.7% | $340,631 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | Janus Henderson Group Plc | 16.87K | 0.0% | $330,697 | 0.0% | Held | 2 | SEC ↗ |
| 59 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 16.85K | -0.2% | $330,013 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | Creative Planning | 16.40K | -68.2% | $321,335 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | Canada Pension Plan Investment Board | 16.30K | -45.3% | $319,317 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | Manufacturers Life Insurance… | 15.88K | -3.2% | $311,070 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 63 | Assenagon Asset Management S.A. | 15.22K | 0.0% | $298,081 | 0.0% | Held | 2 | SEC ↗ |
| 64 | Susquehanna International Group, Llp | 14.60K | +79.5% | $286,034 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Federated Hermes, Inc. | 14.08K | -40.2% | $275,808 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 66 | Osaic Holdings, Inc. | 13.04K | +1.4% | $255,450 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 67 | Mml Investors Services, Llc | 12.37K | -15.7% | $242,270 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | State Board Of Administration Of… | 10.91K | 0.0% | $213,786 | 0.0% | Held | 2 | SEC ↗ |
| 69 | Fifth Third Bancorp | 8.75K | +1619.1% | $171,418 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 70 | Zurcher Kantonalbank (Zurich… | 7.78K | +3.7% | $152,469 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Pnc Financial Services Group, Inc. | 5.45K | -6.2% | $106,745 | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 72 | Cetera Investment Advisers | 111.00K | 0.0% | $100,289 | 0.0% | Held | 2 | SEC ↗ |
| 73 | Royal Bank Of Canada | 3.52K | -62.0% | $68,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 74 | Russell Investments Group, Ltd. | 3.44K | -7.6% | $67,487 | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 75 | Mirae Asset Global Investments Co.… | 2.37K | +6.0% | $46,350 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 76 | Fidelity (FMR) ✦ | 1.29K | -63.3% | $25,353 | 0.0% | ▼ Trim | 4 | SEC ↗ ×3 |
| 77 | Cwm, Llc | 658 | -60.9% | $12,890 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | BNP Paribas Asset Management… | 396 | -89.5% | $7,758 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | Us Bancorp \De\ | 318 | -60.5% | $6,230 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 80 | Jones Financial Companies Lllp | 288 | -45.8% | $5,475 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 81 | Simplex Trading, Llc | 262 | Nuevo | $5,132 | 0.0% | New | 1 | SEC ↗ |
| 82 | Group One Trading Llc | 214 | -87.7% | $4,192 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Rockefeller Capital Management L.P. | 124 | +24.0% | $2,429 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 84 | Optiver Holding B.V. | 28 | -56.2% | $549 | 0.0% | ▼ Trim | 2 | 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
| Robeco Institutional Asset… | $1.30M | 0.0% |
| Hrt Financial Lp | $1.10M | 0.0% |
| Hsbc Holdings Plc | $753,497 | 0.0% |
| Simplex Trading, Llc | $5,132 | 0.0% |
Posición cerrada
| Hotchkis & Wiley Capital… | $10.78M | era 0.0% |
| Qube Research & Technologies… | $2.98M | era 0.0% |
| Balyasny Asset Management L.P. | $2.07M | era 0.0% |
| Cibc World Market Inc. | $1.67M | era 0.0% |
| Gotham Asset Management | $744,538 | era 0.0% |
| Corient Private Wealth LP | $620,716 | era 0.0% |
| LPL Financial LLC | $531,422 | era 0.0% |
| Sei Investments Co | $520,464 | era 0.0% |
| Quantinno Capital Management… | $416,911 | era 0.0% |
| ProShare Advisors LLC | $243,242 | era 0.0% |
| Commonwealth Equity Services… | $234,110 | era 0.0% |
| Lazard Asset Management Llc | $24,423 | era 0.0% |
Contexto de mercado completo: entre TODOS los filers 13F (datos estructurados SEC, Q1 2026): 212 tenedores, 31.98M acciones, $604.53M 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)
Sep 21
PETERS WILLIAM J
Officer, Director · 4.14K acc. · $103,475
Sep 16
Zhou Rong
Officer · 10.00K acc. · $239,404
Sep 02
Zhou Rong
Officer · 3.19K acc. · $75,306
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: Q1 2026 ·
Metodología ·
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