# SEI INSTITUTIONAL INVESTMENTS TRUST

SEI INSTITUTIONAL INVESTMENTS TRUST (CIK 939934) is an SEC-registered fund company with 27 reporting fund series and $54.5B in net assets as of 2026-05-31.

## Registrant

- CIK: 939934
- File number: 811-07257
- LEI: 0N2JSH1PTH72JCCP2A88
- Address: ONE FREEDOM VALLEY DRIVE, OAKS, US-PA, 19456
- Phone: 8003425734
- Net assets: $54.5B
- Total assets: $56.7B
- Fund series: 27
- Latest report: 2026-05-31

## Fund series (27)

_Showing 25 of 27 series._

| Series | Net assets |
| --- | --- |
| [SIIT CORE FIXED INCOME FUND](https://search.stillhousedata.com/fund/S000006766) | $9.9B |
| [SIIT WORLD EQUITY EX-US FUND](https://search.stillhousedata.com/fund/S000006765) | $9.3B |
| [SIIT S&P 500 INDEX FUND](https://search.stillhousedata.com/fund/S000043383) | $4.6B |
| [SIIT U.S. Equity Factor Allocation Fund](https://search.stillhousedata.com/fund/S000061159) | $3.8B |
| [SIIT INTERMEDIATE DURATION CREDIT FUND](https://search.stillhousedata.com/fund/S000047944) | $3.5B |
| [SIIT LONG DURATION CREDIT BOND FUND](https://search.stillhousedata.com/fund/S000036875) | $2.9B |
| [SIIT DYNAMIC ASSET ALLOCATION FUND](https://search.stillhousedata.com/fund/S000027147) | $2.1B |
| [SIIT HIGH YIELD BOND FUND](https://search.stillhousedata.com/fund/S000006763) | $2.1B |
| [SIIT LARGE CAP INDEX FUND](https://search.stillhousedata.com/fund/S000006768) | $2.0B |
| [SIIT LIMITED DURATION BOND FUND](https://search.stillhousedata.com/fund/S000046099) | $1.8B |
| [SIIT GLOBAL MANAGED VOLATILITY FUND](https://search.stillhousedata.com/fund/S000050969) | $1.8B |
| [SIIT EMERGING MARKETS DEBT FUND](https://search.stillhousedata.com/fund/S000006764) | $1.8B |
| [SIIT LARGE CAP DISCIPLINED EQUITY FUND](https://search.stillhousedata.com/fund/S000006769) | $1.4B |
| [SIIT EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000035814) | $1.3B |
| [SIIT MULTI-ASSET REAL RETURN FUND](https://search.stillhousedata.com/fund/S000033123) | $882.9M |
| [SIIT SMALL/MID CAP FUND](https://search.stillhousedata.com/fund/S000006770) | $808.7M |
| [SIIT LONG DURATION FUND](https://search.stillhousedata.com/fund/S000006762) | $783.5M |
| [SIIT EMERGING MARKETS EQUITY FUND](https://search.stillhousedata.com/fund/S000010881) | $738.3M |
| [SIIT LARGE CAP FUND](https://search.stillhousedata.com/fund/S000006767) | $635.4M |
| [SIIT OPPORTUNISTIC INCOME FUND](https://search.stillhousedata.com/fund/S000014581) | $387.4M |
| [SIIT U.S. MANAGED VOLATILITY FUND](https://search.stillhousedata.com/fund/S000013605) | $383.1M |
| [SIIT ULTRA SHORT DURATION BOND FUND](https://search.stillhousedata.com/fund/S000031047) | $357.7M |
| [SIIT REAL RETURN FUND](https://search.stillhousedata.com/fund/S000013606) | $273.5M |
| [SIIT WORLD SELECT EQUITY FUND](https://search.stillhousedata.com/fund/S000056248) | $267.4M |
| [SIIT SMALL CAP II FUND](https://search.stillhousedata.com/fund/S000036633) | $242.4M |

## Largest reported holdings (across all series)

| Holding | Value |
| --- | --- |
| Malaysia | $95.8M |
| Estados Unidos Mexicanos | $91.8M |
| Pemerintah Republik Indonesia | $85.4M |
| Republic of South Africa | $73.4M |
| Rzeczpospolita Polska | $51.9M |
| Republica Federativa do Brasil | $41.8M |
| Republica de Colombia | $38.5M |
| Romania | $34.7M |
| Magyarorszag | $33.7M |
| Arab Republic of Egypt | $32.2M |
| Republica del Peru | $23.5M |
| [United States of America](https://search.stillhousedata.com/security/91282CPX3) | $23.0M |
| Republica del Ecuador | $19.6M |
| Kingdom of Saudi Arabia | $19.3M |
| Kingdom of Thailand | $18.4M |

## More

- [CIK 939934 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=939934&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/939934.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.