# WILLIS ENGINE STRUCTURED TRUST WESTF 2025 B A 144A

WILLIS ENGINE STRUCTURED TRUST WESTF 2025 B A 144A is a security (CUSIP 970910AA3) tracked across SEC portfolio filings. 5 registered fund positions totaling $14.0M via N-PORT as of 2026-05-31.

## Summary

- Issuer: WILLIS ENGINE STRUCTURED TRUST WESTF 2025 B A 144A
- CUSIP: 970910AA3
- Asset category: ABS-O
- 13F holders: 0
- N-PORT fund positions: 5
- N-PORT value: $14.0M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Bond Fund](https://search.stillhousedata.com/fund/S000000646) | John Hancock Sovereign Bond Fund | $10.5M | 3.97% |
| [Core Bond Portfolio](https://search.stillhousedata.com/fund/S000005237) | Core Bond Portfolio | $1.9M | 25.01% |
| [Fidelity Advisor Mortgage Securities Fund](https://search.stillhousedata.com/fund/S000005133) | Fidelity Advisor Series II | $748K | 9.75% |
| [Nuveen Securitized Income ETF](https://search.stillhousedata.com/fund/S000094799) | NuShares ETF Trust | $491K | 34.59% |
| [MML VIP Fidelity Institutional AM Core Plus Bond Fund](https://search.stillhousedata.com/fund/S000029642) | MML SERIES INVESTMENT FUND | $359K | 9.94% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/970910AA3.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.