Altair Engineering Inc. - Class A Common Stock, $0.0001 par value per share (ALTR)

Historical Holders from Q4 2017 to Q3 2025

Type / Class
Equity / Class A Common Stock, $0.0001 par value per share
Symbol
ALTR
Shares outstanding
59,830,848
Price per share
$2075.00
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
1
Total reported value
$2,075
Share change
0
Number of holders
1
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Altair Engineering Inc. - Class A Common Stock, $0.0001 par value per share (ALTR) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 12% $862,066,790 7,478,856 BlackRock, Inc. 31 Dec 2024

Institutional Holders of Altair Engineering Inc. - Class A Common Stock, $0.0001 par value per share (ALTR) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q3 1 $2,075 $2075.00 1
2025 Q2 25 $4,128 -$138,994 $1096.08 2
2025 Q1 465 $53,716 -$5,940,708,121 $115.27 3
2024 Q4 54,671,006 $5,964,073,896 -$560,424,283 $109.11 294
2024 Q3 60,411,528 $5,768,932,649 +$11,770,608 $95.51 250
2024 Q2 60,137,375 $5,897,304,567 +$439,582,313 $98.08 239
2024 Q1 55,750,168 $4,801,330,583 +$129,967,988 $86.15 232
2023 Q4 380,467 $32,016,299 +$3,910,643 $84.15 2
2023 Q3 52,060,549 $3,256,351,323 +$31,813,981 $62.56 188
2023 Q2 51,203,648 $3,882,122,343 -$13,697,173 $75.84 207
2023 Q1 51,443,159 $3,708,435,555 +$171,670,514 $72.11 194
2022 Q4 49,324,701 $2,243,265,872 +$53,372,365 $45.47 168
2022 Q3 49,401,593 $2,184,621,951 -$20,154,253 $44.22 167
2022 Q2 50,083,341 $2,628,983,394 +$44,076,434 $52.50 173
2022 Q1 49,294,215 $3,172,419,433 -$2,712,392 $64.40 173
2021 Q4 48,935,968 $3,782,521,131 +$45,616,172 $77.32 167
2021 Q3 48,617,635 $3,352,221,448 +$277,588,416 $68.94 168
2021 Q2 44,566,064 $3,073,407,221 +$106,806,293 $68.97 163
2021 Q1 42,812,723 $2,678,528,144 +$89,578,334 $62.57 162
2020 Q4 41,634,649 $2,421,707,884 +$96,700,738 $58.18 142
2020 Q3 39,932,058 $1,676,333,673 +$48,987,789 $41.98 131
2020 Q2 38,842,243 $1,543,606,638 +$19,157,994 $39.75 119
2020 Q1 38,494,110 $1,019,927,498 -$4,424,971 $26.50 104
2019 Q4 38,301,613 $1,375,070,976 +$57,173,941 $35.91 101
2019 Q3 36,765,951 $1,272,400,005 +$159,950,585 $34.62 118
2019 Q2 32,318,463 $1,305,354,281 +$215,630,068 $40.39 128
2019 Q1 27,074,552 $996,593,225 +$23,699,932 $36.81 126
2018 Q4 25,769,321 $710,583,786 -$11,390,771 $27.58 122
2018 Q3 25,060,096 $1,088,753,697 +$116,406,151 $43.45 103
2018 Q2 24,245,541 $824,868,434 +$334,830,091 $34.18 106
2018 Q1 14,687,725 $460,595,000 +$65,581,260 $31.36 57
2017 Q4 12,911,076 $308,831,000 +$308,792,199 $23.92 50