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

Historical Holders from Q4 2017 to Q3 2025

Symbol
ALTR
Type / Class
Equity / Class A Common Stock, $0.0001 par value per share
Shares outstanding
59,830,848
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
1
Holdings value
$2,075
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)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 12.5% $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)

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 -$5,940,832,310 $115.27 3
2024 Q4 54,664,547 $5,963,491,885 -$569,570,580 $109.11 294
2024 Q3 60,492,859 $5,776,700,185 +$17,890,769 $95.51 249
2024 Q2 60,156,549 $5,899,184,796 +$438,126,304 $98.08 238
2024 Q1 55,844,315 $4,809,441,557 +$115,087,419 $86.15 232
2023 Q4 54,886,858 $4,617,821,985 +$192,397,902 $84.15 214
2023 Q3 52,728,568 $3,298,142,020 +$40,240,627 $62.56 192
2023 Q2 51,900,079 $3,934,939,667 +$20,000,398 $75.84 210
2023 Q1 51,674,182 $3,725,094,462 +$171,814,924 $72.11 196
2022 Q4 49,846,753 $2,267,003,488 +$55,558,611 $45.47 171
2022 Q3 50,099,323 $2,215,475,199 -$13,328,222 $44.22 174
2022 Q2 50,148,183 $2,632,386,980 +$27,341,208 $52.50 178
2022 Q1 49,607,215 $3,192,575,727 -$3,250,678 $64.40 179
2021 Q4 49,419,094 $3,819,874,726 +$52,306,562 $77.32 173
2021 Q3 48,780,556 $3,363,455,565 +$288,057,967 $68.94 169
2021 Q2 44,566,064 $3,073,407,221 +$106,927,803 $68.97 163
2021 Q1 43,046,412 $2,693,149,144 +$90,122,999 $62.57 162
2020 Q4 41,635,885 $2,421,778,884 +$96,675,214 $58.18 144
2020 Q3 39,972,658 $1,678,037,673 +$49,318,512 $41.98 133
2020 Q2 38,842,260 $1,543,607,638 +$19,170,007 $39.75 120
2020 Q1 38,514,725 $1,020,472,498 -$3,907,426 $26.50 106
2019 Q4 38,307,958 $1,375,298,976 +$57,170,720 $35.91 102
2019 Q3 36,863,417 $1,275,774,005 +$156,544,541 $34.62 122
2019 Q2 32,453,150 $1,310,791,281 +$215,300,953 $40.39 132
2019 Q1 27,401,486 $1,008,629,225 +$23,540,795 $36.81 128
2018 Q4 26,837,364 $740,039,786 -$22,337,734 $27.58 125
2018 Q3 26,938,632 $1,170,232,697 +$118,029,763 $43.45 108
2018 Q2 24,823,668 $848,452,606 +$347,177,059 $34.18 107
2018 Q1 14,687,725 $460,595,000 +$65,465,380 $31.36 57
2017 Q4 12,911,076 $308,831,000 +$308,792,000 $23.92 50