ALTR

Altair Engineering Inc. Class A Common Stock
ALTR

Overview Fund Activity
Delisted

ALTR was delisted on the 25th of March, 2025.

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171 hedge funds and large institutions have $3.36B invested in Altair Engineering Inc. Class A Common Stock in 2021 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 60 increasing their positions, 56 reducing their positions, and 17 closing their positions.

Holders
171
Holders Change
+6
Holders Change %
+3.64%
% of All Funds
3%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.04%
New
24
Increased
60
Reduced
56
Closed
17
Calls
$318K
Puts
–
Net Calls
+$318K
Net Calls Change
-$965K

Top Buyers

1
MCMC
1
Matrix Capital Management Company
New Hampshire
$564M
2
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
2
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$44M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$32.6M
4
Aberdeen Group
4
Aberdeen Group
United Kingdom
$19.4M
5
Artisan Partners
5
Artisan Partners
Wisconsin
$55.6M

Top Sellers

1
Deutsche Bank
1
Deutsche Bank
Germany
$2.19M
2
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$128M
3
AIM
3
ARK Investment Management
Florida
$18.3M
4
Invesco
4
Invesco
Georgia
$84.4M
5
Millennium Management
5
Millennium Management
New York
$4.21M
Name Market Value Shares Shares
Change 		Shares
Change %
Legal & General Group
76
Legal & General Group
United Kingdom
$2.42M 35,134 +9,159 +35%
Deutsche Bank
77
Deutsche Bank
Germany
$2.19M 31,700 -255,062 -89%
Citadel Advisors
78
Citadel Advisors
Florida
$2.17M 31,521 +10,854 +53%
TPM
79
Triasima Portfolio Management
Quebec, Canada
$1.95M 28,210 – –
Select Equity Group
80
Select Equity Group
New York
$1.87M 27,123 +3,029 +13%
Lord, Abbett & Co
81
Lord, Abbett & Co
New Jersey
$1.85M 26,786 – –
EI
82
EAM Investors
California
$1.84M 26,720 +26,720 New
AIG
83
American International Group
New York
$1.75M 25,315 -122 -0.5%
Manulife (Manufacturers Life Insurance)
84
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.68M 24,403 -1,859 -7%
GT
85
Glenmede Trust
Pennsylvania
$1.41M 20,390 +720 +4%
Two Sigma Advisers
86
Two Sigma Advisers
New York
$1.34M 19,500 -31,900 -62%
Envestnet Asset Management
87
Envestnet Asset Management
Illinois
$1.25M 18,187 -4,615 -20%
VOYA Investment Management
88
VOYA Investment Management
Georgia
$1.24M 17,982 +208 +1%
MIM
89
MetLife Investment Management
New Jersey
$1.15M 16,660 – –
AA
90
Apriem Advisors
California
$1.03M 14,965 – –
State Board of Administration of Florida Retirement System
91
State Board of Administration of Florida Retirement System
Florida
$1.01M 14,631 – –
HF
92
HRT Financial
New York
$950K 13,785 +13,785 New
SO
93
STRS Ohio
Ohio
$882K 12,800 -700 -5%
ASRS
94
Arizona State Retirement System
Arizona
$858K 12,451 +432 +4%
MLICM
95
Metropolitan Life Insurance Company (MetLife)
New York
$830K 12,044 +12,044 New
Citigroup
96
Citigroup
New York
$828K 12,010 -7,454 -38%
NSEDCP
97
NJ State Employees Deferred Compensation Plan
New Jersey
$827K 12,000 – –
ACM
98
AlphaCrest Capital Management
New York
$805K 11,681 -12,699 -52%
JSC
99
Jackson Square Capital
California
$800K 11,598 -253 -2%
Handelsbanken Fonder
100
Handelsbanken Fonder
Sweden
$724K 10,500 – –
2 3
4
5 6