晶圆制造
Contract wafer fabrication and advanced packaging that turn accelerator designs into silicon.
需求为什么传导到这里
设计不等于芯片。两者之间隔着代工制造，以及把 HBM 堆叠与逻辑芯片键合的先进封装 —— 这正是为什么加速器的出货量多次由封装产能决定，而不是由投片量、也不是由谁想卖多少颗决定。
瓶颈在哪
最先进制程的产能集中在极少数晶圆厂，而新建一座需要数年和数百亿美元。这是整条链上最窄的一点。
这是关于供应商集中度与交期的结构性观察，不是对任何标的的看法。
本层级的公司
- TSM受益
Contract logic fabrication and advanced packaging for merchant and custom accelerators.
- GFS受益
Contract wafer fabrication at mature and specialty nodes.
- UMC受益
Contract wafer fabrication at mature and specialty nodes.
- AMKR受益
Outsourced semiconductor assembly and test, including advanced packaging.
- ASX受益
Outsourced semiconductor assembly, test, and advanced packaging services.
引用这些标的的公开 13F 申报
供研究参考，不构成任何推荐。以下是已向 SEC 存档的事实；把某个标的归入本层级是我们的分类，申报人并未作出这样的表述。
- ARK Investment Managementreported a position inTSMForm 13F-HR for the period ending 2026-06-30, filed 2026-08-14 · SEC filing
- Appaloosa Managementreported a position inTSMForm 13F-HR for the period ending 2026-06-30, filed 2026-08-14 · SEC filing
- Bridgewater Associatesreported a position inTSMForm 13F-HR for the period ending 2026-06-30, filed 2026-08-14 · SEC filing
- Coatue Managementreported a position inTSMForm 13F-HR for the period ending 2026-06-30, filed 2026-08-14 · SEC filing
- Duquesne Family Officereported a position inTSMForm 13F-HR for the period ending 2026-06-30, filed 2026-08-14 · SEC filing
- Tiger Global Managementreported a position inTSMForm 13F-HR for the period ending 2026-06-30, filed 2026-08-14 · SEC filing
- Viking Global Investorsreported a position inTSMForm 13F-HR for the period ending 2026-06-30, filed 2026-08-14 · SEC filing
下列条目来自 SEC 公开的 Form 13F-HR 申报，由申报主体就所示期间申报、并在其后提交 —— 它们不是当前持仓。Form 13F 仅覆盖美股多头头寸：不含空头、现金、非美资产和大多数衍生品，且申报的头寸可能已被卖出。把某个标的归入某一层级是 XingAI 的分类，不是申报人的。此处没有任何推荐，机构申报持有某标的也不构成你持有它的理由。
同一赛道
Descriptive positioning only. `stance` says whether a company's business is exposed to a layer, never whether to buy it. Layers with no exposure are not recommendations to add any.