# United States Treasury Note/Bond US TREASURY N/B

United States Treasury Note/Bond US TREASURY N/B is a security (CUSIP 912810ST6) tracked across SEC portfolio filings. 17 registered fund positions totaling $145.3M via N-PORT as of 2026-05-31.

## Summary

- Issuer: United States Treasury Note/Bond
- Class: US TREASURY N/B
- CUSIP: 912810ST6
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 17
- N-PORT value: $145.3M
- 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 BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $27.3M | 4.63% |
| [Bond Fund of America](https://search.stillhousedata.com/fund/S000009231) | Bond Fund of America | $26.8M | 2.69% |
| [American Balanced Fund](https://search.stillhousedata.com/fund/S000008801) | American Balanced Fund | $25.0M | 0.95% |
| [U.S. Government Securities Fund](https://search.stillhousedata.com/fund/S000009235) | AMERICAN FUNDS INCOME SERIES | $21.8M | 9.00% |
| [Select Bond Portfolio](https://search.stillhousedata.com/fund/S000000047) | NORTHWESTERN MUTUAL SERIES FUND INC | $12.0M | 42.21% |
| [Income Fund of America](https://search.stillhousedata.com/fund/S000008814) | Income Fund of America | $7.7M | 0.52% |
| [PIMCO Global Managed Asset Allocation Portfolio](https://search.stillhousedata.com/fund/S000024339) | PIMCO Variable Insurance Trust | $6.1M | 221.57% |
| [Master Total Return Portfolio](https://search.stillhousedata.com/fund/S000004067) | Master Bond LLC | $5.3M | 2.81% |
| [BlackRock Total Return Fund](https://search.stillhousedata.com/fund/S000004071) | BlackRock Bond Fund, Inc. | $4.4M | 2.48% |
| [Six Circles Global Bond Fund](https://search.stillhousedata.com/fund/S000068181) | SIX CIRCLES TRUST | $2.1M | 1.25% |
| [American Funds Mortgage Fund](https://search.stillhousedata.com/fund/S000030190) | American Funds Mortgage Fund | $2.0M | 1.56% |
| [Core Fixed Income Fund](https://search.stillhousedata.com/fund/S000008437) | MORGAN STANLEY PATHWAY FUNDS | $1.6M | 8.70% |
| [T. Rowe Price Total Return Fund](https://search.stillhousedata.com/fund/S000055582) | T. ROWE PRICE TOTAL RETURN FUND, INC. | $1.4M | 23.39% |
| [RiverNorth/DoubleLine Strategic Income Fund](https://search.stillhousedata.com/fund/S000030798) | RIVERNORTH FUNDS | $1.4M | 14.17% |
| [BlackRock Balanced Portfolio](https://search.stillhousedata.com/fund/S000003863) | BlackRock Series Fund, Inc. | $224K | 4.80% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/912810ST6.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.