# 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: 2026-08-29T13:48:45.079Z

## Summary

As of the most recent 13F filing period, ULTRA CLEAN HLDGS INC (UCTT) is held by 2 tracked superinvestors with an aggregate position value of $99.9M representing 06958605035 shares.

## Top institutional holders (2)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [First Eagle](https://superinvestorclub.com/manager/21222) | First Eagle Investment Management | 695860 | $99.2M | 0.08% | 2026-06-30 |
| 2 | [Lee Ainslie](https://superinvestorclub.com/manager/58) | Maverick Capital | 5035 | $717,941 | 0.01% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2023-06-30: 1 holders, $9.8M aggregate, 0254979 shares
- 2023-09-30: 1 holders, $8.8M aggregate, 0297088 shares
- 2023-12-31: 1 holders, $14.2M aggregate, 0415392 shares
- 2024-03-31: 1 holders, $15.2M aggregate, 0329943 shares
- 2024-06-30: 1 holders, $16.5M aggregate, 0337539 shares
- 2024-09-30: 1 holders, $14.9M aggregate, 0373639 shares
- 2024-12-31: 1 holders, $14.4M aggregate, 0400939 shares
- 2025-03-31: 1 holders, $8.7M aggregate, 0405439 shares
- 2025-06-30: 1 holders, $8.1M aggregate, 0360139 shares
- 2025-09-30: 2 holders, $11.3M aggregate, 040256910393 shares
- 2025-12-31: 2 holders, $10.6M aggregate, 04105699137 shares
- 2026-03-31: 2 holders, $28.3M aggregate, 043410020309 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."