# SIIT CORE FIXED INCOME FUND

SIIT CORE FIXED INCOME FUND is a registered fund series of SEI INSTITUTIONAL INVESTMENTS TRUST (series S000006766). Net assets $9.9B as of 2026-05-31.

## Profile

- Series ID: S000006766
- Registrant: SEI INSTITUTIONAL INVESTMENTS TRUST
- LEI: SXK83A75E34T00QJ6S37
- Net assets: $9.9B
- Total assets: $10.9B
- As of: 2026-05-31

## Advisers

- [METROPOLITAN WEST Asset Management LLC (Subadvisor)](https://search.stillhousedata.com/firm/104571)
- [Allspring Global Investments (Subadvisor)](https://search.stillhousedata.com/firm/104973)
- [SEI Investments Management Corporation (Advisor)](https://search.stillhousedata.com/firm/105146)
- [JENNISON ASSOCIATES LLC (Subadvisor)](https://search.stillhousedata.com/firm/107959)
- [MetLife Investment Management, LLC (Subadvisor)](https://search.stillhousedata.com/firm/142463)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| US 2YR NOTE (CBT) SEP26 | 1TUU26 | $430.3M | 435.34% |
| [United States of America](https://search.stillhousedata.com/security/91282CQK0) | — | $338.0M | 341.94% |
| US 2YR NOTE (CBT) SEP26 | 1TUU26 | $305.5M | 309.10% |
| [United States of America](https://search.stillhousedata.com/security/91282CQL8) | — | $261.4M | 264.48% |
| US 2YR NOTE (CBT) SEP26 | 1TUU26 | $214.0M | 216.52% |
| United States of America | FVU26 | $207.9M | 210.33% |
| [SEI DAILY INCOME TRUST GOVERNMENT FUND (#36)](https://search.stillhousedata.com/security/783965593) | — | $198.2M | 200.51% |
| United States of America | FVU26 | $174.2M | 176.27% |
| [United States of America](https://search.stillhousedata.com/security/912810UU0) | — | $160.3M | 162.15% |
| [SEI DAILY INCOME TRUST GOVERNMENT FUND (#36)](https://search.stillhousedata.com/security/783965593) | — | $142.8M | 144.44% |
| [SEI DAILY INCOME TRUST GOVERNMENT FUND (#36)](https://search.stillhousedata.com/security/783965593) | — | $141.3M | 142.98% |
| [United States of America](https://search.stillhousedata.com/security/91282CMF5) | — | $118.4M | 119.74% |
| [United States of America](https://search.stillhousedata.com/security/91282CQR5) | — | $113.0M | 114.35% |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F032666) | — | $106.9M | 108.14% |
| [United States of America](https://search.stillhousedata.com/security/91282CPE5) | — | $106.3M | 107.51% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-31 | $9.9B |
| 2026-02-28 | $10.0B |
| 2025-11-30 | $9.8B |
| 2025-08-31 | $9.5B |
| 2025-05-31 | $8.8B |
| 2025-02-28 | $8.5B |
| 2024-11-30 | $8.1B |
| 2024-08-31 | $8.2B |

## More

- [Registrant: SEI INSTITUTIONAL INVESTMENTS TRUST](https://search.stillhousedata.com/registrant/939934)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000006766.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.