# United States Treasury U.S. Treasury Bonds

United States Treasury U.S. Treasury Bonds is a security (CUSIP 912810SU3) tracked across SEC portfolio filings. 23 registered fund positions totaling $256.8M via N-PORT as of 2026-05-31.

## Summary

- Issuer: United States Treasury
- Class: U.S. Treasury Bonds
- CUSIP: 912810SU3
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 23
- N-PORT value: $256.8M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

_Showing 15 of 23 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [AB Core Bond Portfolio](https://search.stillhousedata.com/fund/S000011057) | BERNSTEIN SANFORD C FUND INC | $69.5M | 155.32% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $33.3M | 5.65% |
| [Bond Fund of America](https://search.stillhousedata.com/fund/S000009231) | Bond Fund of America | $31.7M | 3.18% |
| [U.S. Government Securities Fund](https://search.stillhousedata.com/fund/S000009235) | AMERICAN FUNDS INCOME SERIES | $23.1M | 9.54% |
| [Master Total Return Portfolio](https://search.stillhousedata.com/fund/S000004067) | Master Bond LLC | $17.7M | 9.38% |
| [George Putnam Balanced Fund](https://search.stillhousedata.com/fund/S000005597) | George Putnam Balanced Fund | $15.1M | 64.53% |
| [BlackRock Total Return Fund](https://search.stillhousedata.com/fund/S000004071) | BlackRock Bond Fund, Inc. | $13.7M | 7.69% |
| [JPMorgan Core Bond Trust](https://search.stillhousedata.com/fund/S000007337) | JPMorgan Institutional Trust | $10.1M | 21.75% |
| [PGIM Core Bond Fund](https://search.stillhousedata.com/fund/S000004691) | Target Portfolio Trust | $8.8M | 36.31% |
| [PGIM Absolute Return Bond Fund](https://search.stillhousedata.com/fund/S000031707) | Prudential Investment Portfolios 9 | $6.6M | 19.04% |
| [American Funds Mortgage Fund](https://search.stillhousedata.com/fund/S000030190) | American Funds Mortgage Fund | $6.4M | 4.88% |
| [T. Rowe Price Balanced Fund, Inc.](https://search.stillhousedata.com/fund/S000002068) | T. Rowe Price Balanced Fund, Inc. | $4.7M | 9.54% |
| [PGIM Government Income Fund](https://search.stillhousedata.com/fund/S000004573) | Prudential Investment Portfolios, Inc. 14 | $4.0M | 181.36% |
| [RiverNorth/DoubleLine Strategic Income Fund](https://search.stillhousedata.com/fund/S000030798) | RIVERNORTH FUNDS | $2.7M | 27.21% |
| [Six Circles Global Bond Fund](https://search.stillhousedata.com/fund/S000068181) | SIX CIRCLES TRUST | $2.2M | 1.32% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/912810SU3.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.