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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175 hedge funds and large institutions have $3.83B invested in Altair Engineering Inc. Class A Common Stock in 2021 Q4 according to their latest regulatory filings, with 29 funds opening new positions, 68 increasing their positions, 54 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
175
Holders Change
+4
Holders Change %
+2.34%
% of All Funds
2.7%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.05%
New
29
Increased
68
Reduced
54
Closed
25
Calls
$325K
Puts
$7K
Net Calls
+$318K
Net Calls Change
–

Top Buyers

1
MCMC
1
Matrix Capital Management Company
New Hampshire
$665M
2
BlackRock
2
BlackRock
New York
$351M
3
Aberdeen Group
3
Aberdeen Group
United Kingdom
$38.2M
4
Impax Asset Management Group
4
Impax Asset Management Group
United Kingdom
$175M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$358M

Top Sellers

1
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
1
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$0
2
Alkeon Capital Management
2
Alkeon Capital Management
New York
$23.4M
3
Janus Henderson Group
3
Janus Henderson Group
United Kingdom
$129M
4
SG Americas Securities
4
SG Americas Securities
New York
$240K
5
Goldman Sachs
5
Goldman Sachs
New York
$8.17M
Name Holding Trade Value Shares
Change 		Shares
Change %
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
176
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
– -$44M -638,800 Closed
Assenagon Asset Management
177
Assenagon Asset Management
Luxembourg
– -$3.18M -46,092 Closed
HF
178
HRT Financial
New York
– -$950K -13,785 Closed
PVH
179
Psagot Value Holdings
Israel
– -$719K -10,428 Closed
Qube Research & Technologies (QRT)
180
Qube Research & Technologies (QRT)
United Kingdom
– -$687K -9,964 Closed
EWA
181
EP Wealth Advisors
California
– -$659K -9,561 Closed
CSS
182
Cubist Systematic Strategies
Connecticut
– -$582K -8,447 Closed
Lazard Asset Management
183
Lazard Asset Management
New York
– -$393K -5,714 Closed
Arrowstreet Capital
184
Arrowstreet Capital
Massachusetts
– -$365K -5,300 Closed
SSA
185
Schonfeld Strategic Advisors
New York
– -$342K -4,960 Closed
QC
186
Quadrature Capital
United Kingdom
– -$341K -4,945 Closed
DTL
187
Dynamic Technology Lab
Singapore
– -$314K -4,560 Closed
GCP
188
GSA Capital Partners
United Kingdom
– -$294K -4,258 Closed
ZCM
189
Zebra Capital Management
Connecticut
– -$231K -3,352 Closed
AG
190
Algert Global
California
– -$206K -2,987 Closed
Nisa Investment Advisors
191
Nisa Investment Advisors
Missouri
– -$112 -1,620 Closed
PHK
192
Point72 Hong Kong
Hong Kong
– -$52K -754 Closed
MAM
193
Meeder Asset Management
Ohio
– -$44K -639 Closed
Simplex Trading
194
Simplex Trading
Illinois
– -$37K -535 Closed
QT
195
Quantbot Technologies
New York
– -$32K -469 Closed
PO
196
Private Ocean
California
– -$14K -200 Closed
HI
197
Hudock Inc
Pennsylvania
– -$6K -90 Closed
GRP
198
Global Retirement Partners
California
– -$4K -55 Closed
QCG
199
Quadrant Capital Group
Ohio
– -$1K -19 Closed
HI
200
Harbour Investments
Wisconsin
– -$1K -17 Closed
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