# Upstart Pass Through Trust Upstart Pass-Through Trust Series 2021-ST8

Upstart Pass Through Trust Upstart Pass-Through Trust Series 2021-ST8 is a security (CUSIP 91683LAB2) tracked across SEC portfolio filings. 2 registered fund positions totaling $364K via N-PORT as of 2026-04-30.

## Summary

- Issuer: Upstart Pass Through Trust
- Class: Upstart Pass-Through Trust Series 2021-ST8
- CUSIP: 91683LAB2
- Asset category: ABS-O
- 13F holders: 0
- N-PORT fund positions: 2
- N-PORT value: $364K
- N-PORT report: 2026-04-30

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| Thornburg Income Builder Opportunities Trust | Thornburg Income Builder Opportunities Trust | $190K | 2.61% |
| 1WS Credit Income Fund | 1WS CREDIT INCOME FUND | $174K | 2.04% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/91683LAB2.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.