# 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 912810FD5) tracked across SEC portfolio filings. 13 registered fund positions totaling $1.4B via N-PORT as of 2026-05-31.

## Summary

- Issuer: United States Treasury Inflation Indexed Bonds
- Class: TSY INFL IX N/B
- CUSIP: 912810FD5
- Asset category: SN
- 13F holders: 0
- N-PORT fund positions: 13
- N-PORT value: $1.4B
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD SHORT-TERM INFLATION-PROTECTED SECURITIES INDEX FUND](https://search.stillhousedata.com/fund/S000038501) | VANGUARD MALVERN FUNDS | $1.3B | 194.06% |
| [T. Rowe Price U.S. Limited Duration TIPS Index Fund](https://search.stillhousedata.com/fund/S000069930) | T. ROWE PRICE INDEX TRUST, INC. | $57.4M | 214.33% |
| [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. | $41.4M | 40.44% |
| [Short Duration Inflation-Protected Income Portfolio](https://search.stillhousedata.com/fund/S000077078) | Short Duration Inflation-Protected Income Portfolio | $25.8M | 614.40% |
| Western Asset Inflation-Linked Opportunities & Income Fund | Western Asset Inflation-Linked Opportunities & Income Fund | $21.3M | 363.27% |
| [Fidelity Inflation-Protected Bond Index Central Fund](https://search.stillhousedata.com/fund/S000036933) | Fidelity Central Investment Portfolios II LLC | $5.5M | 70.29% |
| [VP Inflation Protection Fund](https://search.stillhousedata.com/fund/S000006680) | American Century Variable Portfolios II, Inc. | $4.5M | 80.06% |
| [SIMT Multi-Asset Accumulation Fund](https://search.stillhousedata.com/fund/S000035779) | SEI INSTITUTIONAL MANAGED TRUST | $3.6M | 30.73% |
| Western Asset Inflation-Linked Income Fund | Western Asset Inflation-Linked Income Fund | $2.1M | 100.55% |
| [JPMorgan Core Bond Trust](https://search.stillhousedata.com/fund/S000007337) | JPMorgan Institutional Trust | $1.7M | 3.65% |
| [T. Rowe Price Global Allocation Fund](https://search.stillhousedata.com/fund/S000040952) | T. ROWE PRICE GLOBAL ALLOCATION FUND, INC. | $702K | 8.20% |
| [PGIM TIPS Fund](https://search.stillhousedata.com/fund/S000055767) | Prudential Investment Portfolios 2 | $543K | 104.10% |
| Nuveen Multi-Asset Income Fund | Nuveen Multi-Asset Income Fund | $528K | 11.53% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/912810FD5.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.