---
title: "Series Fund S, a series of UM Pre-IPO Portfolio Fund II LLC SEC filings"
url: https://altstreet.investments/edgar/2132936
kind: edgar-entity
updated: 2026-08-01
publisher: AltStreet (https://altstreet.investments)
license: Public factual pages may be read, quoted and cited with attribution and a link. Bulk redistribution is not permitted.
---

# Series Fund S, a series of UM Pre-IPO Portfolio Fund II LLC: SEC filings and what they report

Series Fund S, a series of UM Pre-IPO Portfolio Fund II LLC, is a Delaware pooled investment fund filing under Rule 506(c). This amended filing reports $905K raised from 12 investors with a $100K minimum investment. The entity is part of the UpMarket platform, which operates 30 related pre-IPO investment vehicles, with Hui Chen listed as director.

| Field | Value |
| --- | --- |
| Entity | Series Fund S, a series of UM Pre-IPO Portfolio Fund II LLC |
| CIK | 2132936 |
| Filing family | 506(c) |
| Entity type | fund vehicle |
| Manager (as filed) | UpMarket |
| Platform | UpMarket (https://altstreet.investments/platforms/reviews/upmarket) |
| Newest fact-bearing filing | May 5, 2026, accession 0002132936-26-000002 |
| Total sold (as reported) | $905,000 |
| Investors (as reported) | 12 |
| Minimum investment (as filed) | $100,000 |
| Vintage | 2026 |

## Related persons (Form D Item 3)

| Name | Relationship |
| --- | --- |
| Hui Chen | Director |


## Filings (2 on record, newest first)

| Date | Form | Family | SEC link |
| --- | --- | --- | --- |
| May 5, 2026 | D/A | Form D | https://www.sec.gov/Archives/edgar/data/2132936/000213293626000002/ |
| May 1, 2026 | D | Form D | https://www.sec.gov/Archives/edgar/data/2132936/000213293626000001/ |


## More

- Entity page (HTML, with events, parties and the platform record): https://altstreet.investments/edgar/2132936
- SEC EDGAR filing index: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0002132936&owner=include&count=40
- Other issuers on UpMarket: https://altstreet.investments/deals/platform/upmarket
- Signal history, evidence passages and the entity graph are AltStreet Terminal features: https://altstreet.investments/terminal

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Source page: https://altstreet.investments/edgar/2132936
Machine index: https://altstreet.investments/llms.txt
AltStreet reads what platforms, funds and issuers file with the SEC and what they tell investors, and publishes the difference. Figures are as filed or as captured on the date stated; nothing here is investment advice.