# Navient Student Loan Trust Navient Private Education Refi Loan Trust 2018-D

Navient Student Loan Trust Navient Private Education Refi Loan Trust 2018-D is a security (CUSIP 63940UAB0) tracked across SEC portfolio filings. 1 registered fund positions totaling $601K via N-PORT as of 2026-03-31.

## Summary

- Issuer: Navient Student Loan Trust
- Class: Navient Private Education Refi Loan Trust 2018-D
- CUSIP: 63940UAB0
- Asset category: ABS-O
- 13F holders: 0
- N-PORT fund positions: 1
- N-PORT value: $601K
- N-PORT report: 2026-03-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Select Bond Portfolio](https://search.stillhousedata.com/fund/S000000047) | NORTHWESTERN MUTUAL SERIES FUND INC | $601K | 2.12% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/63940UAB0.md)
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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.