# State Street(R) SPDR(R) Portfolio Aggregate Bond ETF

State Street(R) SPDR(R) Portfolio Aggregate Bond ETF is a ETF series of SPDR SERIES TRUST (series S000017334). Net assets $9.3B as of 2026-03-31. Index fund.

## Profile

- Series ID: S000017334
- Registrant: SPDR SERIES TRUST
- LEI: 549300E2D1JKWI3P9D54
- Net assets: $9.3B
- Total assets: $9.8B
- As of: 2026-03-31
- Type: ETF, Index

## Advisers

- [SSGA Funds Management, Inc. (Advisor)](https://search.stillhousedata.com/firm/111242)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [State Street Global Advisors](https://search.stillhousedata.com/security/857492706) | — | $249.8M | 267.83% |
| [State Street Global Advisors](https://search.stillhousedata.com/security/857492706) | — | $197.4M | 211.58% |
| [State Street Global Advisors](https://search.stillhousedata.com/security/857492706) | — | $107.4M | 115.20% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CPP0) | — | $79.3M | 85.06% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CJN2) | — | $42.3M | 45.38% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CGH8) | — | $41.1M | 44.05% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CKU4) | — | $40.0M | 42.89% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CPJ4) | — | $39.1M | 41.94% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CMM0) | — | $36.2M | 38.77% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F050643) | — | $35.0M | 37.57% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CNL1) | — | $34.7M | 37.22% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CNT4) | — | $34.5M | 36.99% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CJZ5) | — | $34.4M | 36.83% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CNC1) | — | $34.2M | 36.65% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CNY3) | — | $34.1M | 36.59% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $9.3B |
| 2025-12-31 | $9.3B |
| 2025-09-30 | $8.7B |
| 2025-06-30 | $8.8B |
| 2025-03-31 | $8.4B |
| 2024-12-31 | $8.6B |
| 2024-09-30 | $8.6B |
| 2024-06-30 | $7.8B |

## More

- [Registrant: SPDR SERIES TRUST](https://search.stillhousedata.com/registrant/1064642)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000017334.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.