# Loomis Sayles Investment Grade Fixed Income Fund

Loomis Sayles Investment Grade Fixed Income Fund is a registered fund series of LOOMIS SAYLES FUNDS I (series S000006646). Net assets $176.1M as of 2026-03-31.

## Profile

- Series ID: S000006646
- Registrant: LOOMIS SAYLES FUNDS I
- LEI: 549300WC3NPNL3GIV677
- Net assets: $176.1M
- Total assets: $178.2M
- As of: 2026-03-31

## Advisers

- [Natixis Advisors, LLC (Advisor)](https://search.stillhousedata.com/firm/106800)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [United States Treasury](https://search.stillhousedata.com/security/912810UL0) | — | $6.2M | 349.67% |
| [United States Treasury](https://search.stillhousedata.com/security/912810UQ9) | — | $5.2M | 295.43% |
| Fixed Income Clearing Corp. | — | $4.5M | 258.29% |
| [United States Treasury](https://search.stillhousedata.com/security/912810UJ5) | — | $3.5M | 198.43% |
| [United States Treasury](https://search.stillhousedata.com/security/912810UT3) | — | $3.5M | 196.22% |
| [United States Treasury](https://search.stillhousedata.com/security/912810TH1) | — | $2.5M | 141.51% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CQD6) | — | $2.4M | 137.01% |
| [NATL LIFE INSURANCE-VRMT](https://search.stillhousedata.com/security/636792AA1) | — | $1.8M | 101.12% |
| [NLV FINANCIAL CORP](https://search.stillhousedata.com/security/65486AAA1) | — | $1.5M | 87.64% |
| [GLENCORE FUNDING LLC](https://search.stillhousedata.com/security/378272BQ0) | — | $1.4M | 82.32% |
| [BEIGNET INVESTOR LLC](https://search.stillhousedata.com/security/076912AA2) | — | $1.4M | 81.49% |
| [ECHOSTAR CORP](https://search.stillhousedata.com/security/278768AC0) | — | $1.3M | 75.01% |
| [BOEING CO](https://search.stillhousedata.com/security/097023CW3) | — | $1.3M | 74.48% |
| [APPLOVIN CORP](https://search.stillhousedata.com/security/03831WAD0) | — | $1.2M | 68.13% |
| [CONTINENTAL RESOURCES](https://search.stillhousedata.com/security/212015AV3) | — | $1.2M | 67.13% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $176.1M |
| 2025-12-31 | $191.2M |
| 2025-09-30 | $198.3M |
| 2025-06-30 | $209.4M |
| 2025-03-31 | $228.8M |
| 2024-12-31 | $223.0M |
| 2024-09-30 | $220.2M |
| 2024-06-30 | $206.2M |

## More

- [Registrant: LOOMIS SAYLES FUNDS I](https://search.stillhousedata.com/registrant/917469)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000006646.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.