# State Street Aggregate Bond Index Fund

State Street Aggregate Bond Index Fund is a registered fund series of STATE STREET INSTITUTIONAL INVESTMENT TRUST (series S000010699). Net assets $3.3B as of 2026-03-31. Index fund.

## Profile

- Series ID: S000010699
- Registrant: STATE STREET INSTITUTIONAL INVESTMENT TRUST
- LEI: 549300XQJVU0Y07Q0R24
- Net assets: $3.3B
- Total assets: $3.3B
- As of: 2026-03-31
- Type: Index

## Advisers

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

## Top holdings (1 reported)

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [State Street Aggregate Bond Index Portfolio](https://search.stillhousedata.com/security/85749T772) | — | $3.3B | 10000.01% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $3.3B |
| 2025-12-31 | $3.0B |
| 2025-09-30 | $2.7B |
| 2025-06-30 | $2.3B |
| 2025-03-31 | $1.7B |
| 2024-12-31 | $1.6B |
| 2024-09-30 | $1.0B |
| 2024-06-30 | $867.7M |

## More

- [Registrant: STATE STREET INSTITUTIONAL INVESTMENT TRUST](https://search.stillhousedata.com/registrant/1107414)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000010699.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.