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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126 hedge funds and large institutions have $740M invested in Altair Engineering Inc. Class A Common Stock in 2018 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 31 increasing their positions, 47 reducing their positions, and 19 closing their positions.

Holders
126
Holders Change
+18
Holders Change %
+16.67%
% of All Funds
2.81%
Holding in Top 10
–
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-100%
% of All Funds
–
New
38
Increased
31
Reduced
47
Closed
19
Calls
$8K
Puts
$8K
Net Calls
–
Net Calls Change
–

Top Buyers

1
WA
1
Wasatch Advisors
Utah
$22.8M
2
PC
2
Polar Capital
United Kingdom
$20.3M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$85.1M
4
Neuberger Berman Group
4
Neuberger Berman Group
New York
$61.8M
5
Ameriprise
5
Ameriprise
Minnesota
$16.9M

Top Sellers

1
TCM
1
Tygh Capital Management
Oregon
$0
2
PC
2
Pier Capital
Connecticut
$0
3
Arrowstreet Capital
3
Arrowstreet Capital
Massachusetts
$5.26M
4
SIM
4
Spark Investment Management
New York
$0
5
DCM
5
Driehaus Capital Management
Illinois
$12.9M
Name Market Value Shares Shares
Change 		Shares
Change %
TCM
126
Tygh Capital Management
Oregon
– – -279,218 Closed
PC
127
Pier Capital
Connecticut
– – -243,909 Closed
SIM
128
Spark Investment Management
New York
– – -204,429 Closed
NIP
129
Nicholas Investment Partners
California
– – -149,078 Closed
SCA
130
Secor Capital Advisors
New York
– – -85,983 Closed
Russell Investments Group
131
Russell Investments Group
United Kingdom
– – -56,798 Closed
TCM
132
Timpani Capital Management
Wisconsin
– – -44,241 Closed
Stifel Financial
133
Stifel Financial
Missouri
– – -27,443 Closed
CANY
134
Caxton Associates (New York)
New York
– – -24,700 Closed
VF
135
Virtu Financial
New York
– – -14,052 Closed
B
136
Bailard
California
– – -13,380 Closed
Walleye Trading
137
Walleye Trading
New York
– – -7,500 Closed
IR
138
Invictus RG
Bermuda
– – -6,735 Closed
RC
139
RBF Capital
California
– – -6,700 Closed
LPL Financial
140
LPL Financial
California
– – -5,620 Closed
Brown Advisory
141
Brown Advisory
Maryland
– – -5,318 Closed
ZB
142
Zions Bancorporation
Utah
– – -5,220 Closed
Principal Financial Group
143
Principal Financial Group
Iowa
– – -4,977 Closed
PNC Financial Services Group
144
PNC Financial Services Group
Pennsylvania
– – -1,914 Closed
CFGS
145
Concourse Financial Group Securities
Alabama
– – – –
PAM
146
Panagora Asset Management
Massachusetts
$0 6 +6 New
2 3 4 5
6