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 ↗ ×15 |
| 2 | The Vanguard Group ✦ (pasivo) | 2.61M | -0.9% | $69.85M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 3 | Td Asset Management Inc | 1.96M | — | $52.57M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Dimensional Fund Advisors Lp | 1.80M | — | $48.20M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 5 | State Street Global Advisors ✦ (pasivo) | 1.53M | +2.1% | $41.02M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | Marshall Wace ✦ | 1.24M | +41.5% | $33.13M | 0.0% | ▲ Add | 7 | SEC ↗ ×3 |
| 7 | Geode Capital Management ✦ (pasivo) | 886.83K | -3.9% | $23.75M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 8 | American Century Companies Inc | 665.34K | — | $17.82M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Morgan Stanley ✦ | 591.63K | +3.0% | $15.84M | 0.0% | ▲ Add | 2 | SEC ↗ ×11 |
| 10 | Arrowstreet Capital ✦ | 559.43K | +42.6% | $14.98M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 557.07K | +7.7% | $14.92M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 12 | Goldman Sachs Group ✦ | 556.71K | +130.8% | $14.91M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 13 | Renaissance Technologies ✦ | 544.70K | -7.2% | $14.59M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 14 | Invesco Ltd. | 501.40K | — | $13.43M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 15 | Hotchkis & Wiley Capital Management… | 402.56K | — | $10.78M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Northern Trust Corp | 371.39K | — | $9.95M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 17 | Charles Schwab Investment… | 350.71K | — | $9.39M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Victory Capital Management Inc | 305.16K | — | $8.17M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Millennium Management ✦ | 290.67K | -58.3% | $7.78M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 20 | Bank of New York Mellon Corp | 559.06K | — | $7.22M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 21 | UBS Group AG | 256.62K | — | $6.87M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 22 | Citadel Advisors ✦ | 228.72K | +0.9% | $6.13M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 23 | Principal Financial Group Inc | 217.97K | — | $5.84M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 24 | Jane Street Group, Llc | 217.54K | — | $5.83M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 25 | Pacer Advisors, Inc. | 177.74K | — | $4.76M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | JPMorgan Chase ✦ | 158.64K | -68.7% | $4.25M | 0.0% | ▼ Trim | 2 | SEC ↗ ×7 |
| 27 | First Trust Advisors Lp | 140.31K | — | $3.76M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Ameriprise Financial Inc | 133.72K | — | $3.58M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 29 | Nordea Investment Management Ab | 129.14K | — | $3.46M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 30 | Bank Of America Corp /De/ | 128.17K | — | $3.43M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 31 | New York State Common Retirement… | 125.97K | — | $3.37M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Bnp Paribas Financial Markets | 120.89K | — | $3.24M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Qube Research & Technologies Ltd | 111.44K | — | $2.98M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Two Sigma Investments ✦ | 98.68K | 0.0% | $2.64M | 0.0% | Held | 7 | SEC ↗ |
| 35 | Legal & General Group Plc | 90.73K | — | $2.43M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 36 | Raymond James Financial Inc | 84.45K | — | $2.26M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 37 | Rhumbline Advisers | 82.39K | — | $2.21M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Balyasny Asset Management L.P. | 77.47K | — | $2.07M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Nuveen, LLC | 76.10K | — | $2.04M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 40 | Barclays Plc | 75.32K | — | $2.02M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 41 | Swiss National Bank | 72.60K | — | $1.94M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | AQR Capital Management ✦ | 67.65K | +8.9% | $1.81M | 0.0% | ▲ Add | 7 | SEC ↗ ×6 |
| 43 | Cibc World Market Inc. | 62.19K | — | $1.67M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Alliancebernstein L.P. | 60.63K | — | $1.62M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | UBS AM, a distinct business unit of… | 55.23K | — | $1.48M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 46 | Assetmark, Inc | 54.36K | — | $1.46M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Creative Planning | 51.66K | — | $1.38M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Prudential Financial Inc | 47.20K | — | $1.26M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Wells Fargo & Company/Mn | 45.30K | — | $1.21M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 50 | T. Rowe Price ✦ | 36.80K | -86.6% | $986,000 | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 51 | California State Teachers… | 35.80K | — | $958,670 | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Canada Pension Plan Investment Board | 29.80K | — | $798,044 | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Deutsche Bank Ag\ | 29.56K | — | $791,537 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 54 | Universal- Beteiligungs- und… | 29.10K | — | $785,265 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 55 | Envestnet Asset Management Inc | 28.82K | — | $771,880 | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Citigroup Inc | 28.28K | — | $757,338 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 57 | Gotham Asset Management ✦ | 27.80K | +81.0% | $744,538 | 0.0% | ▲ Add | 7 | SEC ↗ |
| 58 | Franklin Resources Inc | 26.05K | — | $697,484 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 59 | Federated Hermes, Inc. | 23.54K | — | $630,321 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 60 | Corient Private Wealth LP | 23.18K | — | $620,716 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 61 | LPL Financial LLC | 19.84K | — | $531,422 | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Sei Investments Co | 153.65K | — | $520,464 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 63 | State Of Wisconsin Investment Board | 17.51K | — | $468,811 | 0.0% | n/c | 1 | SEC ↗ |
| 64 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 16.88K | — | $452,020 | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Janus Henderson Group Plc | 16.87K | — | $451,809 | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Manufacturers Life Insurance… | 16.40K | — | $439,246 | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Quantinno Capital Management LP | 15.57K | — | $416,911 | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Assenagon Asset Management S.A. | 15.22K | — | $407,484 | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Squarepoint Ops LLC | 14.86K | — | $397,951 | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Mml Investors Services, Llc | 14.66K | — | $392,622 | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Man Group plc | 14.15K | — | $378,964 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 72 | Osaic Holdings, Inc. | 12.85K | — | $344,228 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 73 | State Board Of Administration Of… | 10.91K | — | $292,250 | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Royal Bank Of Canada | 9.27K | — | $248,000 | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 75 | ProShare Advisors LLC | 9.08K | — | $243,242 | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Commonwealth Equity Services, Llc | 8.74K | — | $234,110 | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Susquehanna International Group, Llp | 8.13K | — | $217,802 | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Zurcher Kantonalbank (Zurich… | 7.50K | — | $200,957 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 79 | Pnc Financial Services Group, Inc. | 5.81K | — | $155,538 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 80 | Cetera Investment Advisers | 111.00K | — | $102,353 | 0.0% | n/c | 1 | SEC ↗ |
| 81 | BNP Paribas Asset Management… | 3.76K | — | $101,000 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 82 | Russell Investments Group, Ltd. | 3.73K | — | $99,862 | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 83 | Fidelity (FMR) ✦ | 3.52K | -45.6% | $94,338 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 84 | Mirae Asset Global Investments Co.… | 2.23K | — | $59,800 | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Group One Trading Llc | 1.74K | — | $46,624 | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Cwm, Llc | 1.68K | — | $45,000 | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Lazard Asset Management Llc | 912 | — | $24,423 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 88 | Us Bancorp \De\ | 806 | — | $21,585 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 89 | Jones Financial Companies Lllp | 531 | — | $14,220 | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Fifth Third Bancorp | 509 | — | $13,631 | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Daiwa Securities Group Inc. | 135 | — | $4,000 | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Rockefeller Capital Management L.P. | 100 | — | $2,678 | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Optiver Holding B.V. | 64 | — | $1,714 | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Kayne Anderson Rudnick Investment… | 15 | — | $402 | 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): 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: Q4 2025 ·
Metodología ·
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