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BlackRock Inc.
> ALTR
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Altair Engineering Inc. | ALTR | 4,187,858 | 195,566 | 317,607,151,000 | 29,722,973,000 | $75,840.00 |
| 03/31/2023 | Altair Engineering Inc. | ALTR | 3,992,292 | -670,275 | 287,884,178,000 | 287,677,999,000 | $72,110.00 |
| 09/30/2022 | Altair Engineering Inc. | ALTR | 4,662,567 | -354,148 | 206,179,000 | -57,197,000 | $44.22 |
| 06/30/2022 | Altair Engineering Inc. | ALTR | 5,016,715 | 137,571 | 263,376,000 | -50,841,000 | $52.50 |
| 03/31/2022 | Altair Engineering Inc. | ALTR | 4,879,144 | 339,610 | 314,217,000 | -36,779,000 | $64.40 |
| 12/31/2021 | Altair Engineering Inc. | ALTR | 4,539,534 | 235,385 | 350,996,000 | 54,270,000 | $77.32 |
| 09/30/2021 | Altair Engineering Inc. | ALTR | 4,304,149 | -31,554 | 296,726,000 | -2,308,000 | $68.94 |
| 06/30/2021 | Altair Engineering Inc. | ALTR | 4,335,703 | -71,301 | 299,034,000 | 23,287,000 | $68.97 |
| 03/31/2021 | Altair Engineering Inc. | ALTR | 4,407,004 | 121,841 | 275,747,000 | 26,435,000 | $62.57 |
| 12/31/2020 | Altair Engineering Inc. | ALTR | 4,285,163 | 113,581 | 249,312,000 | 74,187,000 | $58.18 |
| 09/30/2020 | Altair Engineering Inc. | ALTR | 4,171,582 | 425,460 | 175,125,000 | 26,216,000 | $41.98 |
| 06/30/2020 | Altair Engineering Inc. | ALTR | 3,746,122 | 468,590 | 148,909,000 | 62,054,000 | $39.75 |
| 03/31/2020 | Altair Engineering Inc. | ALTR | 3,277,532 | 34,798 | 86,855,000 | -29,591,000 | $26.50 |
| 12/31/2019 | Altair Engineering Inc. | ALTR | 3,242,734 | -883,583 | 116,446,000 | -26,406,000 | $35.91 |
| 09/30/2019 | Altair Engineering Inc. | ALTR | 4,126,317 | 453,110 | 142,852,000 | 142,703,639 | $34.62 |
| 06/30/2019 | Altair Engineering Inc. | ALTR | 3,673,207 | 1,308,497 | 148,361 | -86,896,639 | $0.04 |
| 03/31/2019 | Altair Engineering Inc. | ALTR | 2,364,710 | -18,754 | 87,045,000 | 21,309,000 | $36.81 |
| 12/31/2018 | Altair Engineering Inc. | ALTR | 2,383,464 | -152,877 | 65,736,000 | -44,468,000 | $27.58 |
| 09/30/2018 | Altair Engineering Inc. | ALTR | 2,536,341 | 337,323 | 110,204,000 | 35,043,000 | $43.45 |
| 06/30/2018 | Altair Engineering Inc. | ALTR | 2,199,018 | 1,406,125 | 75,161,000 | 50,296,000 | $34.18 |
| 03/31/2018 | Altair Engineering Inc. | ALTR | 792,893 | 84,293 | 24,865,000 | 7,915,000 | $31.36 |
| 12/31/2017 | Altair Engineering Inc. | ALTR | 708,600 | 708,600 | 16,950,000 | 16,950,000 | $23.92 |
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