# State Street Cash Reserves Fund — new fund registration

STATE STREET INSTITUTIONAL INVESTMENT TRUST registered 2 new fund series on Form 485APOS, filed 2015-07-15. Featured series: State Street Cash Reserves Fund.

## Registration

- Registrant / trust: STATE STREET INSTITUTIONAL INVESTMENT TRUST
- CIK: 0001107414
- Form: 485APOS
- Filed: 2015-07-15
- State of incorporation: MA
- Accession: 0001193125-15-253690

## Series & classes (6)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [State Street Cash Reserves Fund](https://search.stillhousedata.com/fund/S000051026) | Institutional Class | — | Yes |
| [State Street Cash Reserves Fund](https://search.stillhousedata.com/fund/S000051026) | Administration Class | — | Yes |
| [State Street Cash Reserves Fund](https://search.stillhousedata.com/fund/S000051026) | Investment Class | — | Yes |
| [State Street Cash Reserves Fund](https://search.stillhousedata.com/fund/S000051026) | Investor Class | — | Yes |
| [State Street Cash Reserves Fund](https://search.stillhousedata.com/fund/S000051026) | Premier Class | — | Yes |
| [State Street Cash Reserves Portfolio](https://search.stillhousedata.com/fund/S000051027) | State Street Cash Reserves Portfolio | — | Yes |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.00%
- Gross expense ratio: 0.49%
- Management fee: 0.10%
- Net expense ratio: 0.20%
- Other expenses: 0.39%

## Investment objective

The investment objective of the State Street Cash Reserves Fund (the “Cash Reserves Fund” or sometimes referred to in context as the “Fund”) is to seek to maximize current income, to the extent consistent with the preservation of capital and liquidity and the maintenance of a stable $1.00 per share net asset value (“NAV”), by investing in U.S. dollar-denominated money market securities.

## Other filings by this registrant (15)

- [485APOS — 2026-07-01](https://search.stillhousedata.com/launch/0001193125-26-291811)
- [485APOS — 2026-04-10](https://search.stillhousedata.com/launch/0001193125-26-151377)
- [485APOS — 2025-11-21 (5 new series)](https://search.stillhousedata.com/launch/0001193125-25-290916)
- [485APOS — 2025-11-14 (2 new series)](https://search.stillhousedata.com/launch/0001193125-25-282942)
- [485APOS — 2025-10-20 (1 new series)](https://search.stillhousedata.com/launch/0001193125-25-243706)
- [485APOS — 2025-04-15](https://search.stillhousedata.com/launch/0001193125-25-081544)
- [485APOS — 2025-02-28](https://search.stillhousedata.com/launch/0001193125-25-042596)
- [485APOS — 2024-06-28 (3 new series)](https://search.stillhousedata.com/launch/0001193125-24-171946)
- [485APOS — 2024-05-23 (3 new series)](https://search.stillhousedata.com/launch/0001193125-24-145807)
- [485APOS — 2023-08-11 (1 new series)](https://search.stillhousedata.com/launch/0001193125-23-210375)
- [485APOS — 2021-10-08 (1 new series)](https://search.stillhousedata.com/launch/0001193125-21-295346)
- [485APOS — 2021-09-02](https://search.stillhousedata.com/launch/0001193125-21-264586)

## More

- [Registrant profile: STATE STREET INSTITUTIONAL INVESTMENT TRUST](https://search.stillhousedata.com/registrant/1107414)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001193125-15-253690.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.