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
+2Δ持有人
3.20M持有股份
$155.33M报告持仓市值
+2新建仓位
−0清仓
动量输入（同类管理人）：
持有人广度 +20.0% ·
股份流向 -12.9% ·
净新建仓位 +16.7%
— 公式
持股分散化 — 持有人增多，合计持仓比例缩小
所有持股数据：仅限已追踪的 13F 管理人，普通股持仓，报告期 Q3 2024
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 · Q3 2024
| # | 管理人 | 股份 | Δ股份 | 价值 | 其权重 | 持有 | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (被动) | 920.36K | +1.6% | $44.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (被动) | 920.36K | +1.6% | $44.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | T. Rowe Price ✦ | 568.89K | -2.6% | $27.61M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | T. Rowe Price ✦ | 568.89K | -2.6% | $27.61M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | Marshall Wace ✦ | 568.49K | +150.3% | $27.59M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Marshall Wace ✦ | 568.49K | +150.3% | $27.59M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Renaissance Technologies ✦ | 489.40K | -9.0% | $23.75M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | Millennium Management ✦ | 259.65K | -64.8% | $12.60M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 135.24K | -48.6% | $6.56M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 135.24K | -48.6% | $6.56M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 98.80K | +2.5% | $4.79M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 41.67K | -25.3% | $2.02M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 41.67K | -25.3% | $2.02M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 41.67K | -25.3% | $2.02M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | Point72 Asset Management ✦ | 38.82K | -83.5% | $1.88M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | Gotham Asset Management ✦ | 35.74K | +29.1% | $1.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | D. E. Shaw & Co. ✦ | 23.66K | 新增 | $1.15M | 0.0% | New | 1 | SEC ↗ |
| 18 | Wellington Management ✦ | 19.72K | 新增 | $957,157 | 0.0% | New | 1 | SEC ↗ |
| 19 | Wellington Management ✦ | 19.72K | 新增 | $957,157 | 0.0% | New | 1 | SEC ↗ |
| 20 | Wellington Management ✦ | 19.72K | 新增 | $957,157 | 0.0% | New | 1 | SEC ↗ |
| 21 | Wellington Management ✦ | 19.72K | 新增 | $957,157 | 0.0% | New | 1 | 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
| D. E. Shaw & Co. | $1.15M | 0.0% |
| Wellington Management | $957,157 | 0.0% |
| Wellington Management | $957,157 | 0.0% |
| Wellington Management | $957,157 | 0.0% |
| Wellington Management | $957,157 | 0.0% |
已清仓
| 本季度无被追踪的退出仓位。 |
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: Q3 2024 ·
方法论 ·
通过API获取此数据