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NEEDHAM INVESTMENT MANAGEMENT LLC
> ALTR
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2022 | Altair Engineering Inc. | ALTR | 26,000 | 7,000 | 1,182,220,000 | 1,181,380,000 | $45,470.00 |
| 09/30/2022 | Altair Engineering Inc. | ALTR | 19,000 | 3,500 | 840,000 | 26,000 | $44.21 |
| 06/30/2022 | Altair Engineering Inc. | ALTR | 15,500 | 5,500 | 814,000 | 170,000 | $52.52 |
| 03/31/2022 | Altair Engineering Inc. | ALTR | 10,000 | 4,750 | 644,000 | 238,000 | $64.40 |
| 12/31/2021 | Altair Engineering Inc. | ALTR | 5,250 | 2,000 | 406,000 | 182,000 | $77.33 |
| 06/30/2021 | Altair Engineering Inc. | ALTR | 3,250 | 3,250 | 224,000 | 224,000 | $68.92 |
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