# SIMT S&P 500 Index Fund

SIMT S&P 500 Index Fund is a registered fund series of SEI INSTITUTIONAL MANAGED TRUST (series S000018490). Net assets $1.0B as of 2026-03-31. Index fund.

## Profile

- Series ID: S000018490
- Registrant: SEI INSTITUTIONAL MANAGED TRUST
- LEI: 549300316G5IVCJ7MJ25
- Net assets: $1.0B
- Total assets: $1.0B
- As of: 2026-03-31
- Type: Index

## Advisers

- [SEI INVESTMENT MANAGEMENT Corporation (Advisor)](https://search.stillhousedata.com/firm/105146)
- [SSGA FUNDS MANAGEMENT, INC. (Subadvisor)](https://search.stillhousedata.com/firm/111242)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [NVIDIA CORPORATION](https://search.stillhousedata.com/security/67066G104) | — | $76.8M | 744.54% |
| APPLE INC. | — | $67.5M | 654.55% |
| [MICROSOFT CORPORATION](https://search.stillhousedata.com/security/594918104) | — | $49.8M | 482.83% |
| AMAZON.COM, INC. | — | $36.9M | 357.39% |
| [ALPHABET INC.](https://search.stillhousedata.com/security/02079K305) | — | $30.3M | 294.21% |
| [BROADCOM INC.](https://search.stillhousedata.com/security/11135F101) | — | $26.6M | 257.75% |
| [ALPHABET INC.](https://search.stillhousedata.com/security/02079K107) | — | $24.3M | 235.63% |
| [META PLATFORMS, INC.](https://search.stillhousedata.com/security/30303M102) | — | $22.7M | 219.72% |
| [TESLA, INC.](https://search.stillhousedata.com/security/88160R101) | — | $18.9M | 183.66% |
| S&P500 EMINI FUT  JUN26 PHYSICAL INDEX FUTURE. | ESM26 | $18.4M | 178.40% |
| BERKSHIRE HATHAWAY INC. | — | $15.9M | 154.39% |
| [SEI DAILY INCOME TRUST GOVERNMENT FUND (#36)](https://search.stillhousedata.com/security/783965593) | — | $14.7M | 142.70% |
| [JPMORGAN CHASE & CO.](https://search.stillhousedata.com/security/46625H100) | — | $14.4M | 139.31% |
| [ELI LILLY AND COMPANY](https://search.stillhousedata.com/security/532457108) | — | $13.2M | 127.83% |
| [EXXON MOBIL CORPORATION](https://search.stillhousedata.com/security/30231G102) | — | $12.8M | 124.59% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $1.0B |
| 2025-12-31 | $1.1B |
| 2025-09-30 | $1.1B |
| 2025-06-30 | $1.0B |
| 2025-03-31 | $931.0M |
| 2024-12-31 | $992.0M |
| 2024-09-30 | $1.0B |
| 2024-06-30 | $1.1B |

## More

- [Registrant: SEI INSTITUTIONAL MANAGED TRUST](https://search.stillhousedata.com/registrant/804239)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000018490.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.