# United States Treasury Inflation Indexed Bonds TSY INFL IX N/B

United States Treasury Inflation Indexed Bonds TSY INFL IX N/B is a security (CUSIP 91282CNB3) tracked across SEC portfolio filings. 19 registered fund positions totaling $5.4B via N-PORT as of 2026-05-31.

## Summary

- Issuer: United States Treasury Inflation Indexed Bonds
- Class: TSY INFL IX N/B
- CUSIP: 91282CNB3
- Asset category: SN
- 13F holders: 0
- N-PORT fund positions: 19
- N-PORT value: $5.4B
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

_Showing 15 of 19 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD SHORT-TERM INFLATION-PROTECTED SECURITIES INDEX FUND](https://search.stillhousedata.com/fund/S000038501) | VANGUARD MALVERN FUNDS | $3.6B | 545.93% |
| [T. Rowe Price Limited-Duration Inflation Focused Bond Fund, Inc.](https://search.stillhousedata.com/fund/S000013369) | T. ROWE PRICE LIMITED-DURATION INFLATION FOCUSED BOND FUND, INC. | $1.1B | 1035.95% |
| [T. Rowe Price U.S. Limited Duration TIPS Index Fund](https://search.stillhousedata.com/fund/S000069930) | T. ROWE PRICE INDEX TRUST, INC. | $268.6M | 1003.55% |
| [BlackRock Total Return Fund](https://search.stillhousedata.com/fund/S000004071) | BlackRock Bond Fund, Inc. | $208.9M | 117.41% |
| [American Balanced Fund](https://search.stillhousedata.com/fund/S000008801) | American Balanced Fund | $52.7M | 2.00% |
| [PIMCO StocksPLUS Fund](https://search.stillhousedata.com/fund/S000009704) | PIMCO Funds | $47.4M | 193.61% |
| [Short Duration Inflation Protection Bond Fund](https://search.stillhousedata.com/fund/S000006581) | American Century Investment Trust | $43.4M | 367.44% |
| [Fidelity Inflation-Protected Bond Index Central Fund](https://search.stillhousedata.com/fund/S000036933) | Fidelity Central Investment Portfolios II LLC | $33.5M | 424.74% |
| [T. Rowe Price Inflation Protected Bond Fund, Inc.](https://search.stillhousedata.com/fund/S000002133) | T. ROWE PRICE INFLATION PROTECTED BOND FUND, INC. | $32.9M | 571.18% |
| [Intermediate Bond Fund of America](https://search.stillhousedata.com/fund/S000009236) | Intermediate Bond Fund of America | $24.8M | 8.69% |
| [SIMT Multi-Asset Accumulation Fund](https://search.stillhousedata.com/fund/S000035779) | SEI INSTITUTIONAL MANAGED TRUST | $24.1M | 208.06% |
| [Short Duration Inflation-Protected Income Portfolio](https://search.stillhousedata.com/fund/S000077078) | Short Duration Inflation-Protected Income Portfolio | $16.7M | 396.97% |
| Western Asset Inflation-Linked Opportunities & Income Fund | Western Asset Inflation-Linked Opportunities & Income Fund | $15.6M | 266.84% |
| Western Asset Inflation-Linked Income Fund | Western Asset Inflation-Linked Income Fund | $5.2M | 246.18% |
| [MyDestination 2025 Fund](https://search.stillhousedata.com/fund/S000014478) | GuideStone Funds | $4.7M | 22.65% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/91282CNB3.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.