# SA Mid Cap Index Portfolio

SA Mid Cap Index Portfolio is a registered fund series of SUNAMERICA SERIES TRUST (series S000056258). Net assets $519.4M as of 2026-04-30. Index fund.

## Profile

- Series ID: S000056258
- Registrant: SUNAMERICA SERIES TRUST
- LEI: 5493005POLD4G0MMFG86
- Net assets: $519.4M
- Total assets: $519.7M
- As of: 2026-04-30
- Type: Index

## Advisers

- [SunAmerica Asset Management, LLC (Advisor)](https://search.stillhousedata.com/firm/107338)
- [BlackRock Investment Management, LLC (Subadvisor)](https://search.stillhousedata.com/firm/108928)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| Flex Ltd | — | $5.1M | 97.89% |
| TechnipFMC PLC | — | $4.6M | 89.00% |
| [Curtiss-Wright Corp](https://search.stillhousedata.com/security/231561101) | — | $4.0M | 77.31% |
| [XPO Inc](https://search.stillhousedata.com/security/983793100) | — | $3.9M | 75.15% |
| [United Therapeutics Corp](https://search.stillhousedata.com/security/91307C102) | — | $3.7M | 71.67% |
| Fabrinet | — | $3.7M | 71.08% |
| [MasTec Inc](https://search.stillhousedata.com/security/576323109) | — | $3.7M | 70.36% |
| nVent Electric PLC | — | $3.5M | 66.97% |
| [Twilio Inc](https://search.stillhousedata.com/security/90138F102) | — | $3.4M | 65.42% |
| [Everpure Inc](https://search.stillhousedata.com/security/74624M102) | — | $3.4M | 65.33% |
| [Woodward Inc](https://search.stillhousedata.com/security/980745103) | — | $3.3M | 63.04% |
| [Entegris Inc](https://search.stillhousedata.com/security/29362U104) | — | $3.3M | 62.62% |
| [Carpenter Technology Corp](https://search.stillhousedata.com/security/144285103) | — | $3.2M | 62.09% |
| [ATI Inc](https://search.stillhousedata.com/security/01741R102) | — | $3.2M | 61.52% |
| [US Foods Holding Corp](https://search.stillhousedata.com/security/912008109) | — | $3.1M | 59.49% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $519.4M |
| 2026-01-31 | $516.0M |
| 2025-10-31 | $499.3M |
| 2025-07-31 | $497.9M |
| 2025-04-30 | $460.0M |
| 2025-01-31 | $510.0M |
| 2024-10-31 | $490.2M |
| 2024-07-31 | $498.8M |

## More

- [Registrant: SUNAMERICA SERIES TRUST](https://search.stillhousedata.com/registrant/892538)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000056258.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.