Ultra Clean Holdings, Inc.
Total Trades
34
Buys
9
Sells
25
Largest Trade
$1M+
Insiders
15
Institutional Funds
184
Inst. Value
$1M+
Activist Filings
16
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| IBNALE DAVID T | Director | SELL | $500K+ | 24K | $26.63 | Dec 5, 2025 |
| Cho Paul Yoonku | General Counsel an… | SELL | $50K–$100K | 4K | $21.06 | Jun 11, 2025 |
| McKibben Jeffrey L. | Chief Information … | SELL | $100K–$500K | 6K | $20.87 | Jun 6, 2025 |
| Palfrey Jamie J. | SVP | SELL | $100K–$500K | 10K | $19.20 | May 8, 2025 |
| Bentinck Bill | President | BUY | $50K–$100K | 3K | $25.17 | Mar 11, 2025 |
| Cook Christopher S | President | BUY | $100K–$500K | 4K | $25.30 | Mar 11, 2025 |
| HARDING BRIAN E | Chief Accounting O… | BUY | $50K–$100K | 4K | $24.00 | Mar 11, 2025 |
| MADDOCK ERNEST E | Director | BUY | $100K–$500K | 10K | $24.29 | Mar 11, 2025 |
| GRANGER CLARENCE L | Director | BUY | $15K–$50K | 1K | $25.15 | Mar 11, 2025 |
| Bajwa Harjinder | COO | BUY | $100K–$500K | 10K | $33.75 | Nov 20, 2024 |
| Bajwa Harjinder | COO | BUY | $500K+ | 15K | $34.83 | Nov 15, 2024 |
| McKibben Jeffrey L. | Chief Information … | SELL | $100K–$500K | 3K | $38.20 | Nov 13, 2024 |
| Bajwa Harjinder | COO | BUY | $50K–$100K | 3K | $33.33 | Nov 4, 2024 |
| Savage Sheri | CFO | SELL | $100K–$500K | 10K | $51.08 | Jul 4, 2024 |
| Savage Sheri | CFO | SELL | $500K+ | 18K | $46.18 | Jun 12, 2024 |
| LIGGETT EMILY M | Director | SELL | $100K–$500K | 5K | $44.40 | May 29, 2024 |
| Cook Christopher S | President | SELL | $100K–$500K | 5K | $26.68 | Apr 15, 2024 |
| McKibben Jeffrey L. | Chief Information … | SELL | $100K–$500K | 8K | $26.50 | Nov 22, 2023 |
| Palfrey Jamie J. | SVP | SELL | $100K–$500K | 7K | $25.68 | Nov 7, 2023 |
| Bentinck Bill | President | SELL | $100K–$500K | 10K | $36.19 | Jun 13, 2023 |
| Cho Paul Yoonku | General Counsel an… | SELL | $1K–$15K | 176 | $36.10 | Jun 1, 2023 |
| LIGGETT EMILY M | Director | SELL | $100K–$500K | 4K | $32.48 | May 30, 2023 |
| Savage Sheri | CFO | SELL | $100K–$500K | 8K | $32.30 | Mar 3, 2023 |
| Palfrey Jamie J. | SVP | SELL | $15K–$50K | 1K | $34.74 | Nov 15, 2022 |
| Chinnasami Vijayan S. | COO | SELL | $100K–$500K | 5K | $35.08 | Nov 15, 2022 |
| Cho Paul Yoonku | General Counsel an… | SELL | $50K–$100K | 3K | $29.41 | Nov 7, 2022 |
| Savage Sheri | CFO and SVP Finance | SELL | $100K–$500K | 15K | $31.92 | Nov 3, 2022 |
| Palfrey Jamie J. | SVP | SELL | $100K–$500K | 4K | $29.73 | Sep 1, 2022 |
| Seto Jacqueline A. | Director | SELL | $15K–$50K | 1K | $34.12 | Jun 1, 2022 |
| Cho Paul Yoonku | General Counsel an… | SELL | $100K–$500K | 4K | $30.41 | May 13, 2022 |
| Scholhamer James P | CEO | BUY | $15K–$50K | 676 | $32.00 | May 6, 2022 |
| IBNALE DAVID T | Director | SELL | $1M+ | 25K | $45.68 | Mar 4, 2022 |
| GRANGER CLARENCE L | Director | SELL | $100K–$500K | 3K | $50.83 | Jan 29, 2022 |
| Chinnasami Vijayan S. | COO | SELL | $100K–$500K | 2K | $60.00 | Jan 6, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 184 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 1.9M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 1.5M | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 1.1M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 943K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 821K | $1M+ | SH |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 608K | $1M+ | SH |
| Goodman Financial Corp | 558K | $1M+ | SH |
| PINNACLE ASSOCIATES LTD | 462K | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 427K | $1M+ | SH |
| First Eagle Investment Management, LLC | 411K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 399K | $1M+ | SH |
| Dana Investment Advisors, Inc. | 390K | $1M+ | SH |
| AQR CAPITAL MANAGEMENT LLC | 216K | $1M+ | SH |
| PRINCIPAL FINANCIAL GROUP INC | 214K | $1M+ | SH |
| COMERICA BANK | 175K | $1M+ | SH |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 166K | $1M+ | SH |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | 157K | $1M+ | SH |
| AWM Investment Company, Inc. | 140K | $1M+ | SH |
| 4D Advisors, LLC | 135K | $1M+ | SH |
| Man Group plc | 133K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 12, 2026
7.5%
3.4M shares
FRONTIER CAPITAL MANAGEMENT CO.,LLC
SC 13G · Aug 14, 2025
6.1%
2.8M shares
SC 13G/A · Jul 15, 2025
4.7%
2.1M shares
SHAPIRO CAPITAL MANAGEMENT LLC
SC 13G/A · May 15, 2025
9.0%
4.1M shares
SC 13G/A · Apr 30, 2025
15.0%
6.7M shares
SC 13G/A · Apr 15, 2025
5.0%
2.3M shares
SHAPIRO CAPITAL MANAGEMENT LLC
SC 13G · Feb 14, 2025
6.1%
2.7M shares
FRONTIER CAPITAL MANAGEMENT CO.,LLC
SC 13G/A · Jan 16, 2025
4.8%
2.2M shares
SC 13G/A · Nov 13, 2024
2.7%
1.2M shares
The Vanguard Group - 23-1945930
SC 13G/A · Aug 12, 2024
10.2%
4.6M shares
FRONTIER CAPITAL MANAGEMENT CO., LLC.
SC 13G · Feb 14, 2024
5.7%
2.6M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
9.7%
4.4M shares
SC 13G/A · Jan 22, 2024
16.1%
7.2M shares
Dimensional Fund Advisors LP 30-0447847
SC 13G · Feb 10, 2023
5.1%
2.3M shares
SC 13G/A · Jan 23, 2023
17.7%
8.0M shares
SC 13G/A · Jan 28, 2022
18.8%
8.4M shares