# ULTRA CLEAN HLDGS INC (UCTT) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 90385V107
Page URL: https://superinvestorclub.com/stock/UCTT
Last updated: 2026-07-08T12:27:39.372Z

## Summary

As of the most recent 13F filing period, ULTRA CLEAN HLDGS INC (UCTT) is held by 1 tracked superinvestors with an aggregate position value of $1.3M representing 020309 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Lee Ainslie](https://superinvestorclub.com/manager/58) | Maverick Capital | 20309 | $1.3M | 0.01% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2025-09-30: 1 holders, $283,209 aggregate, 010393 shares
- 2025-12-31: 1 holders, $231,440 aggregate, 09137 shares
- 2026-03-31: 1 holders, $1.3M aggregate, 020309 shares

## Recent congressional trades (17)

- 2025-11-19: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-05-13: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-05-12: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-04-30: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-03-11: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-03-10: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-03-06: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-03-04: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-02-26: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-02-25: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-02-25: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2024-11-27: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2024-11-15: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2024-11-07: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2024-11-05: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "ULTRA CLEAN HLDGS INC (UCTT) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/UCTT), aggregating SEC 13F, Form 4, and congressional disclosures."