# VANGUARD TOTAL BOND MARKET INDEX FUND

VANGUARD TOTAL BOND MARKET INDEX FUND is a ETF series of VANGUARD BOND INDEX FUNDS (series S000002564). Net assets $386.8B as of 2026-03-31. Index fund.

## Profile

- Series ID: S000002564
- Registrant: VANGUARD BOND INDEX FUNDS
- LEI: CIJB0QNLPT2SSWMJ5W92
- Net assets: $386.8B
- Total assets: $390.9B
- As of: 2026-03-31
- Type: ETF, Index

## Advisers

- [The Vanguard Group, Inc. (Advisor)](https://search.stillhousedata.com/firm/105958)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| Vanguard Cmt Funds-Vanguard Market Liquidity Fund | — | $4.1B | 106.65% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CGH8) | — | $1.9B | 47.90% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CKQ3) | — | $1.6B | 42.03% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CLW9) | — | $1.6B | 42.00% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CPL9) | — | $1.6B | 41.86% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CMM0) | — | $1.6B | 41.46% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CLF6) | — | $1.6B | 41.22% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CJZ5) | — | $1.6B | 40.44% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CJJ1) | — | $1.5B | 39.43% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CNT4) | — | $1.5B | 39.26% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CNC1) | — | $1.4B | 36.43% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CHT1) | — | $1.4B | 36.30% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CFV8) | — | $1.4B | 36.27% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CEP2) | — | $1.4B | 35.22% |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CGQ8) | — | $1.4B | 35.21% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $386.8B |
| 2025-12-31 | $384.1B |
| 2025-09-30 | $373.6B |
| 2025-06-30 | $359.2B |
| 2025-03-31 | $354.7B |
| 2024-12-31 | $341.6B |
| 2024-09-30 | $342.6B |
| 2024-06-30 | $319.6B |

## More

- [Registrant: VANGUARD BOND INDEX FUNDS](https://search.stillhousedata.com/registrant/794105)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000002564.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.