证券记录 · 已归档季度
AMPH
Amphastar Pharmaceuticals, Inc. · Healthcare · Drug Manufacturers - Specialty & Generic
12被追踪持有人
-1Δ持有人
5.84M持有股份
$169.25M报告持仓市值
+0新建仓位
−1清仓
动量输入（同类管理人）：
持有人广度 -7.7% ·
股份流向 +18.9% ·
净新建仓位 -8.3%
— 公式
集中积累 — 持股数量上升但持有人减少
所有持股数据：仅限已追踪的 13F 管理人，普通股持仓，报告期 Q1 2025
持股变化趋势
| 季度 | 持有人 | Δ | 股份 | 报告持仓市值 | 新增 | 清仓 |
|---|---|---|---|---|---|---|
| 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 | — | — |
持有人 · Q1 2025
| # | 管理人 | 股份 | Δ股份 | 价值 | 其权重 | 持有 | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (被动) | 1.60M | +0.5% | $46.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Marshall Wace ✦ | 1.03M | +69.5% | $29.91M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | Marshall Wace ✦ | 1.03M | +69.5% | $29.91M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Geode Capital Management ✦ (被动) | 955.08K | +4.3% | $27.69M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | Geode Capital Management ✦ (被动) | 955.08K | +4.3% | $27.69M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | Millennium Management ✦ | 868.55K | +238.5% | $25.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | T. Rowe Price ✦ | 541.22K | -4.5% | $15.69M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | T. Rowe Price ✦ | 541.22K | -4.5% | $15.69M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 9 | Renaissance Technologies ✦ | 495.00K | -5.8% | $14.35M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 155.98K | +11.1% | $4.52M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | Citadel Advisors ✦ | 155.98K | +11.1% | $4.52M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | Two Sigma Investments ✦ | 75.33K | -23.3% | $2.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 53.64K | +82.0% | $1.55M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 53.64K | +82.0% | $1.55M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 53.64K | +82.0% | $1.55M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 53.64K | +82.0% | $1.55M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 17 | D. E. Shaw & Co. ✦ | 29.19K | -75.4% | $846,160 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Wellington Management ✦ | 16.91K | -4.9% | $490,308 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | Wellington Management ✦ | 16.91K | -4.9% | $490,308 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | Wellington Management ✦ | 16.91K | -4.9% | $490,308 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | Wellington Management ✦ | 16.91K | -4.9% | $490,308 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | Gotham Asset Management ✦ | 10.87K | -61.8% | $315,121 | 0.0% | ▼ Trim | 4 | SEC ↗ |
"持仓权重"= 该持仓占该管理人已申报13F股权价值的比例——即信念度衡量指标。✦ = 精选管理人。
新增买入方
| 本季度无新增被追踪买入方。 |
已清仓
| Point72 Asset Management | $341,596 | 曾为 0.0% |
全市场背景: 涵盖所有13F申报机构（SEC结构化数据， Q1 2026): 5 持有人, 1.03M 股份, $928,379 已申报. 这是与上方被追踪全域数据不同的较早期间，两者从不混用。
常见共同持仓
该证券的被追踪持有人最常同时持有的其他证券——基于共同持有计数，而非基本面关联。
公开市场买入 (P)
在我们的覆盖窗口内无内部人士公开市场买入记录。
公开市场卖出 (S)
Aug 11
PRINS RICHARD K
Director · 7.97K 股 · $161,852
Aug 07
PETERS WILLIAM J
Officer, Director · 8.18K 股 · $183,886
授予、行权及税务代扣代缴在本平台均不计入买入或卖出。 方法论
Jul 14
SC 13G — DIMENSIONAL FUND ADVISORS LP
数据来源: 持股数据来源于已解析的13F普通股持仓（被追踪范围，变动对比集）；内部人行为来自Form 3/4/5；重大持股来自Schedule 13D/13G；所有文件均链接至SEC EDGAR原始申报。
报告期: Q1 2025 ·
方法论 ·
通过API获取此数据