先选大类，再展开子类；数量、规模、收益与回撤均来自当前全市场快照。
每日资金流由 AUM、收益和份额变化估算；公开源无法统一得到实际申购/赎回单位时明确显示“未披露”，不会把估算冒充成交。
完整持仓使用 SEC N-PORT 法定申报，覆盖面广但有监管披露时滞；Yahoo 前十大持仓只用于更及时的概览。
收益使用复权收盘价。跟踪误差只有明确基准映射时计算；杠杆衰减拆分为每日复位路径影响和实现偏差。
| ETF | 规模 | 费率 | 1 年 | 5 年 | 回撤 |
|---|---|---|---|---|---|
XBI State Street SPDR S&P Biotech ETF | $9.7B | 0.3% | +76.4% | +23.0% | -54.0% |
IBB iShares Biotechnology ETF | $9.1B | 0.4% | +42.4% | +16.1% | -39.8% |
FBT First Trust Amex Biotech Index Fund | $2.8B | 0.6% | +52.4% | +52.6% | -29.0% |
PBPH Portfolio Building Block World Pharma and Biotech Index ETF | $859M | 0.1% | — | — | -11.1% |
BBH VanEck Biotech ETF | $407M | 0.3% | +27.7% | +2.7% | -39.9% |
PBE Invesco Biotechnology & Genome ETF | $278M | 0.6% | +41.0% | +23.5% | -34.7% |
IDNA iShares Genomics Immunology and Healthcare ETF | $194M | 0.5% | +52.2% | -31.6% | -68.3% |
BBP Virtus Biotech ETF | $97M | 0.8% | +56.3% | +90.0% | -37.8% |
GNOM Global X Genomics & Biotechnology ETF | $77M | 0.5% | +58.3% | -38.4% | -72.1% |
IBBQ Invesco Nasdaq Biotechnology ETF | $73M | 0.2% | +47.1% | +32.5% | -37.9% |
BBC Virtus Biotech Clinical Trials ETF | $46M | 0.8% | +131.0% | +16.2% | -70.9% |
BIOY GraniteShares YieldBOOST Biotech ETF | $638,000 | 1.1% | — | — | -6.7% |