# T. Rowe Price QM U.S. Bond Index Fund

T. Rowe Price QM U.S. Bond Index Fund is a registered fund series of T. ROWE PRICE QM U.S. BOND INDEX FUND, INC. (series S000002166). Net assets $2.4B as of 2026-04-30. Index fund.

## Profile

- Series ID: S000002166
- Registrant: T. ROWE PRICE QM U.S. BOND INDEX FUND, INC.
- LEI: 6CAOB2FK4HV4SJGM1O42
- Net assets: $2.4B
- Total assets: $2.5B
- As of: 2026-04-30
- Type: Index

## Advisers

- [T. Rowe Price Associates, Inc. (Advisor)](https://search.stillhousedata.com/firm/105496)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [T. Rowe Price Government Reserve Fund](https://search.stillhousedata.com/security/76105Y109) | — | $86.6M | 364.31% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/91282CMZ1) | — | $58.3M | 244.94% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/91282CKT7) | — | $53.6M | 225.23% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/91282CMA6) | — | $29.5M | 124.05% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/91282CPD7) | — | $28.8M | 120.99% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/91282CMD0) | — | $27.6M | 116.06% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/91282CFU0) | — | $25.0M | 104.94% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/912810UK2) | — | $23.2M | 97.44% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/91282CLW9) | — | $23.0M | 96.66% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/91282CPR6) | — | $21.3M | 89.75% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/912810SL3) | — | $19.8M | 83.06% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/91282CKQ3) | — | $18.5M | 77.85% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/91282CNC1) | — | $17.9M | 75.38% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/912810UN6) | — | $16.7M | 70.06% |
| [US TREASURY N/B](https://search.stillhousedata.com/security/91282CPP0) | — | $15.8M | 66.60% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $2.4B |
| 2026-01-31 | $2.2B |
| 2025-10-31 | $2.0B |
| 2025-07-31 | $1.9B |
| 2025-04-30 | $1.8B |
| 2025-01-31 | $1.7B |
| 2024-10-31 | $1.6B |
| 2024-07-31 | $1.5B |

## More

- [Registrant: T. ROWE PRICE QM U.S. BOND INDEX FUND, INC.](https://search.stillhousedata.com/registrant/1120924)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000002166.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.