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 %
Luther King Capital Management (LKCM)
51
Luther King Capital Management (LKCM)
Texas
$6.45M 93,525 +9,680 +12%
SEI Investments
52
SEI Investments
Pennsylvania
$6.35M 92,106 +37,698 +69%
D.E. Shaw & Co
53
D.E. Shaw & Co
New York
$6.16M 89,389 -14,235 -14%
SG Americas Securities
54
SG Americas Securities
New York
$5M 72,470 +21,191 +41%
Renaissance Technologies
55
Renaissance Technologies
New York
$4.35M 63,100 +2,965 +5%
MOACM
56
Mutual of America Capital Management
New York
$4.31M 62,540 -900 -1%
California State Teachers Retirement System (CalSTRS)
57
California State Teachers Retirement System (CalSTRS)
California
$4.3M 62,404 -183 -0.3%
ERSOT
58
Employees Retirement System of Texas
Texas
$4.27M 62,000 – –
Millennium Management
59
Millennium Management
New York
$4.21M 61,009 -84,953 -58%
JPMorgan Chase & Co
60
JPMorgan Chase & Co
New York
$4.2M 60,923 -10,012 -14%
SIA
61
Sit Investment Associates
Minnesota
$4.12M 59,783 – –
PPA
62
Parametric Portfolio Associates
Washington
$4.1M 59,476 +36,120 +155%
AllianceBernstein
63
AllianceBernstein
Tennessee
$3.86M 55,960 – –
Principal Financial Group
64
Principal Financial Group
Iowa
$3.74M 54,192 +4,237 +8%
Fidelity Investments
65
Fidelity Investments
Massachusetts
$3.48M 50,532 +739 +1%
UBS AM
66
UBS AM
Illinois
$3.48M 50,416 +147 +0.3%
RhumbLine Advisers
67
RhumbLine Advisers
Massachusetts
$3.28M 47,573 +2,278 +5%
BNP Paribas Financial Markets
68
BNP Paribas Financial Markets
France
$3.2M 46,438 +840 +2%
Assenagon Asset Management
69
Assenagon Asset Management
Luxembourg
$3.18M 46,092 -6,906 -13%
FAM
70
Fred Alger Management
New York
$2.95M 42,804 -45,077 -51%
First Trust Advisors
71
First Trust Advisors
Illinois
$2.75M 39,812 +11,571 +41%
Two Sigma Investments
72
Two Sigma Investments
New York
$2.74M 39,706 -84,372 -68%
Russell Investments Group
73
Russell Investments Group
United Kingdom
$2.54M 36,784 +7,056 +24%
State of New Jersey Common Pension Fund D
74
State of New Jersey Common Pension Fund D
New Jersey
$2.49M 36,145 -3,102 -8%
Barclays
75
Barclays
United Kingdom
$2.49M 36,048 +14,996 +71%
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