# Upstart Securitization Trust Upstart Securitization Trust 2022-4

Upstart Securitization Trust Upstart Securitization Trust 2022-4 is a security (CUSIP 91678YAB1) tracked across SEC portfolio filings. 2 registered fund positions totaling $1.0M via N-PORT as of 2026-03-31.

## Summary

- Issuer: Upstart Securitization Trust
- Class: Upstart Securitization Trust 2022-4
- CUSIP: 91678YAB1
- Asset category: ABS-O
- 13F holders: 0
- N-PORT fund positions: 2
- N-PORT value: $1.0M
- N-PORT report: 2026-03-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [RiverNorth/DoubleLine Strategic Income Fund](https://search.stillhousedata.com/fund/S000030798) | RIVERNORTH FUNDS | $548K | 5.48% |
| DoubleLine Income Solutions Fund | DoubleLine Income Solutions Fund | $460K | 3.53% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/91678YAB1.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.