# State Street(R) SPDR(R) S & P 400(TM) Mid Cap Growth ETF

State Street(R) SPDR(R) S & P 400(TM) Mid Cap Growth ETF is a ETF series of SPDR SERIES TRUST (series S000006987). Net assets $2.5B as of 2026-03-31. Index fund.

## Profile

- Series ID: S000006987
- Registrant: SPDR SERIES TRUST
- LEI: 549300EEEDESCGSS7N72
- Net assets: $2.5B
- Total assets: $2.5B
- As of: 2026-03-31
- Type: ETF, Index

## Advisers

- [SSGA Funds Management, Inc. (Advisor)](https://search.stillhousedata.com/firm/111242)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [State Street Global Advisors](https://search.stillhousedata.com/security/857492706) | — | $69.9M | 281.93% |
| TechnipFMC PLC | — | $42.5M | 171.48% |
| [Casey's General Stores Inc](https://search.stillhousedata.com/security/147528103) | — | $41.1M | 165.64% |
| [United Therapeutics Corp](https://search.stillhousedata.com/security/91307C102) | — | $38.8M | 156.53% |
| [Curtiss-Wright Corp](https://search.stillhousedata.com/security/231561101) | — | $38.2M | 154.19% |
| Flex Ltd | — | $36.6M | 147.79% |
| [XPO Inc](https://search.stillhousedata.com/security/983793100) | — | $34.6M | 139.67% |
| [Woodward Inc](https://search.stillhousedata.com/security/980745103) | — | $32.4M | 130.81% |
| [Royal Gold Inc](https://search.stillhousedata.com/security/780287108) | — | $31.3M | 126.42% |
| [ATI Inc](https://search.stillhousedata.com/security/01741R102) | — | $30.0M | 121.15% |
| [MasTec Inc](https://search.stillhousedata.com/security/576323109) | — | $30.0M | 121.13% |
| [Carpenter Technology Corp](https://search.stillhousedata.com/security/144285103) | — | $29.9M | 120.49% |
| nVent Electric PLC | — | $29.1M | 117.19% |
| [Twilio Inc](https://search.stillhousedata.com/security/90138F102) | — | $29.0M | 116.90% |
| Fabrinet | — | $28.4M | 114.70% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $2.5B |
| 2025-12-31 | $2.4B |
| 2025-09-30 | $2.4B |
| 2025-06-30 | $2.3B |
| 2025-03-31 | $2.5B |
| 2024-12-31 | $2.8B |
| 2024-09-30 | $2.7B |
| 2024-06-30 | $2.5B |

## More

- [Registrant: SPDR SERIES TRUST](https://search.stillhousedata.com/registrant/1064642)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000006987.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.