# 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 912810PZ5) tracked across SEC portfolio filings. 17 registered fund positions totaling $1.5B via N-PORT as of 2026-05-31.

## Summary

- Issuer: United States Treasury Inflation Indexed Bonds
- Class: TSY INFL IX N/B
- CUSIP: 912810PZ5
- Asset category: SN
- 13F holders: 0
- N-PORT fund positions: 17
- N-PORT value: $1.5B
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

_Showing 15 of 17 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 | $1.1B | 173.50% |
| [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. | $229.3M | 223.79% |
| Western Asset Inflation-Linked Opportunities & Income Fund | Western Asset Inflation-Linked Opportunities & Income Fund | $31.6M | 540.65% |
| [Short Duration Inflation-Protected Income Portfolio](https://search.stillhousedata.com/fund/S000077078) | Short Duration Inflation-Protected Income Portfolio | $19.0M | 452.33% |
| [T. Rowe Price U.S. Limited Duration TIPS Index Fund](https://search.stillhousedata.com/fund/S000069930) | T. ROWE PRICE INDEX TRUST, INC. | $17.4M | 64.98% |
| [HUSSMAN STRATEGIC TOTAL RETURN FUND](https://search.stillhousedata.com/fund/S000001545) | Hussman Investment Trust | $15.7M | 579.20% |
| [Short Duration Inflation Protection Bond Fund](https://search.stillhousedata.com/fund/S000006581) | American Century Investment Trust | $14.5M | 123.23% |
| Western Asset Inflation-Linked Income Fund | Western Asset Inflation-Linked Income Fund | $14.2M | 673.39% |
| [Fidelity Inflation-Protected Bond Index Central Fund](https://search.stillhousedata.com/fund/S000036933) | Fidelity Central Investment Portfolios II LLC | $13.6M | 172.61% |
| [T. Rowe Price Inflation Protected Bond Fund, Inc.](https://search.stillhousedata.com/fund/S000002133) | T. ROWE PRICE INFLATION PROTECTED BOND FUND, INC. | $7.7M | 133.75% |
| [VP Inflation Protection Fund](https://search.stillhousedata.com/fund/S000006680) | American Century Variable Portfolios II, Inc. | $7.2M | 129.37% |
| [PGIM TIPS Fund](https://search.stillhousedata.com/fund/S000055767) | Prudential Investment Portfolios 2 | $3.2M | 611.02% |
| [SIMT Multi-Asset Accumulation Fund](https://search.stillhousedata.com/fund/S000035779) | SEI INSTITUTIONAL MANAGED TRUST | $3.2M | 27.41% |
| [American Funds Inflation Linked Bond Fund](https://search.stillhousedata.com/fund/S000039115) | American Funds Inflation Linked Bond Fund | $3.2M | 2.40% |
| [Timothy Plan Defensive Strategies Fund](https://search.stillhousedata.com/fund/S000026812) | TIMOTHY PLAN | $1.3M | 127.33% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/912810PZ5.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.