# Fidelity SAI Small-Mid Cap Momentum Index Fund

Fidelity SAI Small-Mid Cap Momentum Index Fund is a registered fund series of Fidelity Salem Street Trust (series S000050321). Net assets $4.3B as of 2026-04-30. Index fund.

## Profile

- Series ID: S000050321
- Registrant: Fidelity Salem Street Trust
- LEI: 5493002DMEG3SGBZZZ34
- Net assets: $4.3B
- Total assets: $4.3B
- As of: 2026-04-30
- Type: Index

## Advisers

- [Fidelity Management & Research Company LLC (Advisor)](https://search.stillhousedata.com/firm/108281)
- [Geode Capital Management, LLC (Subadvisor)](https://search.stillhousedata.com/firm/115504)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [SANDISK CORP/DE](https://search.stillhousedata.com/security/80004C200) | — | $147.2M | 345.12% |
| [CIENA CORP](https://search.stillhousedata.com/security/171779309) | — | $90.9M | 213.04% |
| [COMFORT SYSTEMS USA INC](https://search.stillhousedata.com/security/199908104) | — | $86.1M | 201.84% |
| [LUMENTUM HOLDINGS INC](https://search.stillhousedata.com/security/55024U109) | — | $81.5M | 191.07% |
| [COHERENT CORP](https://search.stillhousedata.com/security/19247G107) | — | $77.9M | 182.73% |
| FLEX LTD | — | $70.3M | 164.70% |
| FABRINET | — | $62.0M | 145.37% |
| [CASEY'S GENERAL STORES INC](https://search.stillhousedata.com/security/147528103) | — | $60.1M | 140.86% |
| [ROCKET LAB CORP](https://search.stillhousedata.com/security/773121108) | — | $59.5M | 139.37% |
| [MASTEC INC](https://search.stillhousedata.com/security/576323109) | — | $59.0M | 138.23% |
| TECHNIPFMC PLC | — | $58.8M | 137.95% |
| NVENT ELECTRIC PLC | — | $58.0M | 135.94% |
| ANGLOGOLD ASHANTI PLC | — | $57.2M | 134.19% |
| [ALBEMARL CORP](https://search.stillhousedata.com/security/012653101) | — | $55.4M | 129.83% |
| [TAPESTRY INC](https://search.stillhousedata.com/security/876030107) | — | $55.3M | 129.75% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $4.3B |
| 2026-01-31 | $2.0B |
| 2025-10-31 | $219.6M |
| 2025-07-31 | $210.4M |
| 2025-04-30 | $780.4M |
| 2025-01-31 | $1.0B |
| 2024-10-31 | $1.2B |
| 2024-07-31 | $1.7B |

## More

- [Registrant: Fidelity Salem Street Trust](https://search.stillhousedata.com/registrant/35315)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000050321.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.