# Fidelity Mid Cap Growth Index Fund

Fidelity Mid Cap Growth Index Fund is a registered fund series of Fidelity Salem Street Trust (series S000065748). Net assets $3.4B as of 2026-03-31. Index fund.

## Profile

- Series ID: S000065748
- Registrant: Fidelity Salem Street Trust
- LEI: 549300TJP0EWRUI5QZ45
- Net assets: $3.4B
- Total assets: $3.5B
- As of: 2026-03-31
- 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 |
| --- | --- | --- | --- |
| [VERTIV HOLDINGS CO](https://search.stillhousedata.com/security/92537N108) | — | $116.4M | 341.98% |
| [Fidelity Revere Street Trust](https://search.stillhousedata.com/security/31635A303) | — | $113.2M | 332.57% |
| [HOWMET AEROSPACE INC](https://search.stillhousedata.com/security/443201108) | — | $112.9M | 331.51% |
| ROYAL CARIBBEAN CRUISES LTD | — | $85.2M | 250.11% |
| [HILTON WORLDWIDE HOLDINGS INC](https://search.stillhousedata.com/security/43300A203) | — | $84.7M | 248.79% |
| [CLOUDFLARE INC](https://search.stillhousedata.com/security/18915M107) | — | $79.0M | 232.05% |
| [QUANTA SVCS INC](https://search.stillhousedata.com/security/74762E102) | — | $76.5M | 224.70% |
| [CENCORA INC](https://search.stillhousedata.com/security/03073E105) | — | $70.3M | 206.34% |
| [TARGA RES CORP](https://search.stillhousedata.com/security/87612G101) | — | $65.0M | 191.04% |
| [VISTRA CORP](https://search.stillhousedata.com/security/92840M102) | — | $62.1M | 182.44% |
| [MONOLITHIC POWER SYSTEMS INC](https://search.stillhousedata.com/security/609839105) | — | $61.8M | 181.54% |
| [COMFORT SYSTEMS USA INC](https://search.stillhousedata.com/security/199908104) | — | $58.6M | 172.08% |
| [IDEXX LABORATORIES INC](https://search.stillhousedata.com/security/45168D104) | — | $54.7M | 160.58% |
| [FASTENAL CO](https://search.stillhousedata.com/security/311900104) | — | $53.4M | 156.93% |
| [CARVANA CO](https://search.stillhousedata.com/security/146869102) | — | $51.9M | 152.45% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $3.4B |
| 2025-12-31 | $3.6B |
| 2025-09-30 | $3.5B |
| 2025-06-30 | $2.9B |
| 2025-03-31 | $2.0B |
| 2024-12-31 | $1.5B |
| 2024-09-30 | $1.2B |
| 2024-06-30 | $1.1B |

## More

- [Registrant: Fidelity Salem Street Trust](https://search.stillhousedata.com/registrant/35315)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000065748.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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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.