ALTAIR ENGR INC filings

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SEC filings by ALTAIR ENGR INC (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2024-02-13Matrix Capital Management Company, LPAltair Engineering Inc.12,233,17422.4%EDGAR
SC 13G/A2024-02-13VANGUARD GROUP INCAltair Engineering Inc.5,761,44510.6%EDGAR
SC 13G/A2024-02-13Christ George JAltair Engineering Inc.10,200,73215.8%EDGAR
SC 13G/A2024-02-13Scapa James RalphAltair Engineering Inc.17,116,56623.9%EDGAR
SC 13G2024-01-31PICTET ASSET MANAGEMENT SAAltair Engineering Inc.25.3%EDGAR
SC 13G/A2024-01-25BlackRock Inc.Altair Engineering Inc.4,588,5078.4%EDGAR
SC 13G/A2023-06-09VANGUARD GROUP INCAltair Engineering Inc.5,407,40510.1%EDGAR
SC 13G/A2023-02-13Matrix Capital Management Company, LPAltair Engineering Inc.10,871,00020.8%EDGAR
SC 13G/A2023-02-09VANGUARD GROUP INCAltair Engineering Inc.5,205,1649.9%EDGAR
SC 13G/A2023-02-06Scapa James RalphAltair Engineering Inc.17,354,19224.9%EDGAR
SC 13G/A2023-02-06Christ George JAltair Engineering Inc.10,900,73217.2%EDGAR
SC 13G/A2023-01-31BlackRock Inc.Altair Engineering Inc.4,056,4647.7%EDGAR
SC 13G/A2022-02-14Matrix Capital Management Company, LPAltair Engineering Inc.8,600,00016.9%EDGAR
SC 13G/A2022-02-09VANGUARD GROUP INCAltair Engineering Inc.4,627,7499.1%EDGAR
SC 13G/A2022-02-08Scapa James RalphAltair Engineering Inc.17,343,71325.5%EDGAR
SC 13G/A2022-02-08Christ George JAltair Engineering Inc.10,525,78217.2%EDGAR
SC 13G/A2022-02-03BlackRock Inc.Altair Engineering Inc.4,539,5348.9%EDGAR
SC 13G/A2021-02-16Matrix Capital Management Company, LPAltair Engineering Inc.5,155,02511.9%EDGAR
SC 13G/A2021-02-16Scapa James RalphAltair Engineering Inc.18,079,55129.5%EDGAR
SC 13G/A2021-02-16Christ George JAltair Engineering Inc.12,100,73221.9%EDGAR
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