# Fidelity Extended Market Index Fund

Fidelity Extended Market Index Fund is a registered fund series of Fidelity Concord Street Trust (series S000006021). Net assets $42.7B as of 2026-05-31. Index fund.

## Profile

- Series ID: S000006021
- Registrant: Fidelity Concord Street Trust
- LEI: HW91WPKTPPX1XCGDNR78
- Net assets: $42.7B
- Total assets: $45.1B
- As of: 2026-05-31
- 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 |
| --- | --- | --- | --- |
| [Fidelity Revere Street Trust](https://search.stillhousedata.com/security/31635A303) | — | $2.3B | 549.23% |
| [MARVELL TECHNOLOGY INC](https://search.stillhousedata.com/security/573874104) | — | $922.0M | 215.79% |
| [SNOWFLAKE INC](https://search.stillhousedata.com/security/833445109) | — | $450.9M | 105.53% |
| [CLOUDFLARE INC](https://search.stillhousedata.com/security/18915M107) | — | $395.8M | 92.62% |
| [BLOOM ENERGY CORP](https://search.stillhousedata.com/security/093712107) | — | $379.4M | 88.80% |
| [ROCKET LAB CORP](https://search.stillhousedata.com/security/773121108) | — | $347.9M | 81.41% |
| FLEX LTD | — | $285.8M | 66.90% |
| [STRATEGY INC](https://search.stillhousedata.com/security/594972408) | — | $257.2M | 60.19% |
| [CHENIERE ENERGY INC](https://search.stillhousedata.com/security/16411R208) | — | $249.5M | 58.40% |
| [ASTERA LABS INC](https://search.stillhousedata.com/security/04626A103) | — | $234.8M | 54.95% |
| [FERGUSON ENTERPRISES INC](https://search.stillhousedata.com/security/31488V107) | — | $227.8M | 53.31% |
| [ALNYLAM PHARMACEUTICALS INC](https://search.stillhousedata.com/security/02043Q107) | — | $206.7M | 48.37% |
| CREDO TECHNOLOGY GROUP HOLDING LTD | — | $193.5M | 45.29% |
| [ROBLOX CORP](https://search.stillhousedata.com/security/771049103) | — | $161.0M | 37.68% |
| [REVOLUTION MEDICINES INC](https://search.stillhousedata.com/security/76155X100) | — | $159.3M | 37.28% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-31 | $42.7B |
| 2026-02-28 | $41.0B |
| 2025-11-30 | $41.0B |
| 2025-08-31 | $41.0B |
| 2025-05-31 | $37.6B |
| 2025-02-28 | $39.4B |
| 2024-11-30 | $44.5B |
| 2024-08-31 | $41.9B |

## More

- [Registrant: Fidelity Concord Street Trust](https://search.stillhousedata.com/registrant/819118)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000006021.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.