# Morgan Stanley Mortgage Securities Trust

Morgan Stanley Mortgage Securities Trust is a registered fund series of MORGAN STANLEY MORTGAGE SECURITIES TRUST (series S000002467). Net assets $595.1M as of 2025-07-31.

## Profile

- Series ID: S000002467
- Registrant: MORGAN STANLEY MORTGAGE SECURITIES TRUST
- LEI: WKCEPKI1XKBG42N8NC94
- Net assets: $595.1M
- Total assets: $769.3M
- As of: 2025-07-31

## Advisers

- [Morgan Stanley Investment Management Inc. (Advisor)](https://search.stillhousedata.com/firm/110353)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F052680) | — | $59.7M | 1002.83% |
| [United States Treasury](https://search.stillhousedata.com/security/912797QR1) | — | $37.5M | 630.30% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F030686) | — | $25.7M | 431.47% |
| [United States Treasury](https://search.stillhousedata.com/security/912797NA1) | — | $24.7M | 415.65% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F042681) | — | $19.0M | 318.83% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F050684) | — | $12.7M | 212.62% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F060683) | — | $10.1M | 170.37% |
| [United States Treasury](https://search.stillhousedata.com/security/912797QL4) | — | $10.0M | 167.54% |
| [United States Treasury](https://search.stillhousedata.com/security/912797QG5) | — | $9.9M | 166.40% |
| [United States Treasury](https://search.stillhousedata.com/security/912797NU7) | — | $9.8M | 165.18% |
| [Morgan Stanley & Co. LLC](https://search.stillhousedata.com/security/61747C707) | — | $8.7M | 146.29% |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/21H060689) | — | $7.0M | 117.55% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F022683) | — | $6.6M | 110.13% |
| [Su Casita](https://search.stillhousedata.com/security/864248AA7) | — | $6.2M | 104.88% |
| [Finance of America HECM Buyout](https://search.stillhousedata.com/security/31737DAF3) | — | $6.2M | 104.14% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2025-07-31 | $595.1M |
| 2025-04-30 | $615.1M |
| 2025-01-31 | $531.6M |
| 2024-10-31 | $470.0M |
| 2024-07-31 | $373.9M |
| 2024-04-30 | $335.0M |
| 2024-01-31 | $311.1M |
| 2023-10-31 | $267.0M |

## More

- [Registrant: MORGAN STANLEY MORTGAGE SECURITIES TRUST](https://search.stillhousedata.com/registrant/806564)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000002467.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.