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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128 hedge funds and large institutions have $1.01B invested in Altair Engineering Inc. Class A Common Stock in 2019 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 53 increasing their positions, 48 reducing their positions, and 18 closing their positions.

Holders
128
Holders Change
+2
Holders Change %
+1.59%
% of All Funds
2.77%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.02%
New
20
Increased
53
Reduced
48
Closed
18
Calls
$1.24M
Puts
$416K
Net Calls
+$824K
Net Calls Change
+$824K

Top Buyers

1
Ameriprise
1
Ameriprise
Minnesota
$44.3M
2
Neuberger Berman Group
2
Neuberger Berman Group
New York
$99.7M
3
PCM
3
Palisade Capital Management
New Jersey
$9.32M
4
HA
4
Homestead Advisers
Virginia
$8.19M
5
Primecap Management
5
Primecap Management
California
$42.3M

Top Sellers

1
CAM
1
Contour Asset Management
New York
$28.8M
2
EAM
2
Eventide Asset Management
Massachusetts
$23.1M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$104M
4
Two Sigma Investments
4
Two Sigma Investments
New York
$213K
5
Invesco
5
Invesco
Georgia
$1.28M
Name Market Value Shares Shares
Change 		Shares
Change %
Simplex Trading
126
Simplex Trading
Illinois
$4K 120 +21 +21%
HI
127
Hudock Inc
Pennsylvania
$3K 90 – –
MAM
128
Meeder Asset Management
Ohio
$2K 54 -61 -53%
CC
129
Claybrook Capital
Massachusetts
– – -51,751 Closed
TI
130
Trexquant Investment
Connecticut
– – -46,181 Closed
Jane Street
131
Jane Street
New York
– – -29,099 Closed
American Century Companies
132
American Century Companies
Missouri
– – -24,499 Closed
Susquehanna International Group
133
Susquehanna International Group
Pennsylvania
– – -21,051 Closed
MC
134
Menta Capital
California
– – -19,960 Closed
DTL
135
Dynamic Technology Lab
Singapore
– – -18,663 Closed
PP
136
Paloma Partners
Connecticut
– – -16,506 Closed
Jacobs Levy Equity Management
137
Jacobs Levy Equity Management
New Jersey
– – -16,040 Closed
CM
138
Crestline Management
Texas
– – -16,000 Closed
BCM
139
BlueCrest Capital Management
Jersey
– – -15,394 Closed
TEE
140
Tibra Equities Europe
United Kingdom
– – -12,100 Closed
QT
141
Quantbot Technologies
New York
– – -11,900 Closed
SSA
142
Schonfeld Strategic Advisors
New York
– – -10,857 Closed
HI
143
HBK Investments
Texas
– – -9,298 Closed
Macquarie Group
144
Macquarie Group
Australia
– – -600 Closed
PRC
145
Pearl River Capital
Michigan
– – -446 Closed
Bank of Montreal
146
Bank of Montreal
Ontario, Canada
– – -351 Closed
CFGS
147
Concourse Financial Group Securities
Alabama
– – – –
Group One Trading
148
Group One Trading
Illinois
– – – –
PI
149
PEAK6 Investments
Illinois
– – – –
2 3 4 5
6