News + Filings Holdings
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Cortina Asset Management, LLC
> ALTR
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2019 | Altair Engineering Inc. | ALTR | 607,365 | -5,618 | 24,531,000 | 1,967,000 | $40.39 |
| 03/31/2019 | Altair Engineering Inc. | ALTR | 612,983 | 63,050 | 22,564,000 | 7,397,000 | $36.81 |
| 12/31/2018 | Altair Engineering Inc. | ALTR | 549,933 | 141,755 | 15,167,000 | -2,568,000 | $27.58 |
| 09/30/2018 | Altair Engineering Inc. | ALTR | 408,178 | 44,175 | 17,735,000 | 5,293,000 | $43.45 |
| 06/30/2018 | Altair Engineering Inc. | ALTR | 364,003 | 364,003 | 12,442,000 | 12,442,000 | $34.18 |
| 03/31/2018 | Altair Engineering Inc. | ALTR | 0 | -331,692 | 0 | -7,934,000 | |
| 12/31/2017 | Altair Engineering Inc. | ALTR | 331,692 | 331,692 | 7,934,000 | 7,934,000 | $23.92 |
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