News + Filings Holdings
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OBERWEIS ASSET MANAGEMENT INC
> UCTT
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Ultra Clean Holdings, Inc. | UCTT | 170,900 | 38,200 | 6,572,814,000 | 2,172,482,000 | $38,460.00 |
| 03/31/2023 | Ultra Clean Holdings, Inc. | UCTT | 132,700 | 64,800 | 4,400,332,000 | 2,149,447,000 | $33,160.00 |
| 12/31/2022 | Ultra Clean Holdings, Inc. | UCTT | 67,900 | -24,740 | 2,250,885,000 | 2,248,500,000 | $33,150.00 |
| 09/30/2022 | Ultra Clean Holdings, Inc. | UCTT | 92,640 | -18,500 | 2,385,000 | -924,000 | $25.74 |
| 06/30/2022 | Ultra Clean Holdings, Inc. | UCTT | 111,140 | -49,000 | 3,309,000 | -3,479,000 | $29.77 |
| 03/31/2022 | Ultra Clean Holdings, Inc. | UCTT | 160,140 | 18,510 | 6,788,000 | -1,336,000 | $42.39 |
| 12/31/2021 | Ultra Clean Holdings, Inc. | UCTT | 141,630 | 52,150 | 8,124,000 | 4,312,000 | $57.36 |
| 09/30/2021 | Ultra Clean Holdings, Inc. | UCTT | 89,480 | 2,900 | 3,812,000 | -839,000 | $42.60 |
| 06/30/2021 | Ultra Clean Holdings, Inc. | UCTT | 86,580 | 6,370 | 4,651,000 | -4,000 | $53.72 |
| 03/31/2021 | Ultra Clean Holdings, Inc. | UCTT | 80,210 | 43,210 | 4,655,000 | 3,502,000 | $58.04 |
| 12/31/2020 | Ultra Clean Holdings, Inc. | UCTT | 37,000 | -2,100 | 1,153,000 | 314,000 | $31.16 |
| 09/30/2020 | Ultra Clean Holdings, Inc. | UCTT | 39,100 | -18,400 | 839,000 | -462,000 | $21.46 |
| 06/30/2020 | Ultra Clean Holdings, Inc. | UCTT | 57,500 | 1,200 | 1,301,000 | 524,000 | $22.63 |
| 03/31/2020 | Ultra Clean Holdings, Inc. | UCTT | 56,300 | 4,000 | 777,000 | -450,000 | $13.80 |
| 12/31/2019 | Ultra Clean Holdings, Inc. | UCTT | 52,300 | 52,300 | 1,227,000 | 1,227,000 | $23.46 |
| 06/30/2017 | Ultra Clean Holdings, Inc. | UCTT | 0 | -79,600 | 0 | -1,343,000 | |
| 03/31/2017 | Ultra Clean Holdings, Inc. | UCTT | 79,600 | -40,200 | 1,343,000 | 181,000 | $16.87 |
| 12/31/2016 | Ultra Clean Holdings, Inc. | UCTT | 119,800 | -3,200 | 1,162,000 | 251,000 | $9.70 |
| 09/30/2016 | Ultra Clean Holdings, Inc. | UCTT | 123,000 | 0 | 911,000 | 211,000 | $7.41 |
| 06/30/2016 | Ultra Clean Holdings, Inc. | UCTT | 123,000 | 26,000 | 700,000 | 180,000 | $5.69 |
| 03/31/2016 | Ultra Clean Holdings, Inc. | UCTT | 97,000 | 97,000 | 520,000 | 520,000 | $5.36 |
| 12/31/2015 | Ultra Clean Holdings, Inc. | UCTT | 83,600 | 29,100 | 428,000 | 115,000 | $5.12 |
| 09/30/2015 | Ultra Clean Holdings, Inc. | UCTT | 54,500 | 54,500 | 313,000 | 313,000 | $5.74 |
| 12/31/2010 | Ultra Clean Holdings, Inc. | UCTT | 0 | -301,800 | 0 | -2,602,000 | |
| 09/30/2010 | Ultra Clean Holdings, Inc. | UCTT | 301,800 | 107,800 | 2,602,000 | 949,000 | $8.62 |
| 06/30/2010 | Ultra Clean Holdings, Inc. | UCTT | 194,000 | 31,100 | 1,653,000 | 263,000 | $8.52 |
| 03/31/2010 | Ultra Clean Holdings, Inc. | UCTT | 162,900 | 162,900 | 1,390,000 | 1,390,000 | $8.53 |
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