BlackRock, Inc. 13D and 13G filings for Altair Engineering Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2025-02-05 1:23 pm Sale |
2024-12-31 | 13G | Altair Engineering Inc. ALTR |
BlackRock Inc. BLK |
7,478,856 12.500% |
-398,254 (-5.06%) |
Filing |
| 2024-07-08 4:32 pm Purchase |
2024-06-30 | 13G | Altair Engineering Inc. ALTR |
BlackRock Inc. BLK |
7,877,110 13.800% |
3,288,603 (+71.67%) |
Filing |
| 2024-01-25 4:59 pm Purchase |
2023-12-31 | 13G | Altair Engineering Inc. ALTR |
BlackRock Inc. BLK |
4,588,507 8.400% |
532,043 (+13.12%) |
Filing |
| 2023-01-31 1:58 pm Sale |
2022-12-31 | 13G | Altair Engineering Inc. ALTR |
BlackRock Inc. BLK |
4,056,464 7.700% |
-483,070 (-10.64%) |
Filing |
| 2022-02-03 4:41 pm Purchase |
2021-12-31 | 13G | Altair Engineering Inc. ALTR |
BlackRock Inc. BLK |
4,539,534 8.900% |
254,371 (+5.94%) |
Filing |
| 2021-01-28 5:56 pm Purchase |
2020-12-31 | 13G | Altair Engineering Inc. ALTR |
BlackRock Inc. BLK |
4,285,163 9.900% |
1,042,429 (+32.15%) |
Filing |