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 %
MAM
151
Meeder Asset Management
Ohio
$44K 639 – –
Macquarie Group
152
Macquarie Group
Australia
$41K 601 – –
HFM
153
Harvest Fund Management
China
$38K 565 – –
HL
154
Harding Loevner
New Jersey
$37K 539 – –
Simplex Trading
155
Simplex Trading
Illinois
$37K 535 – –
SPIA
156
Steward Partners Investment Advisory
New York
$33K 483 -146 -23%
QT
157
Quantbot Technologies
New York
$32K 469 +469 New
PO
158
Private Ocean
California
$14K 200 +200 New
CFA
159
Carroll Financial Associates
North Carolina
$9K 132 -5,456 -98%
FHA
160
First Horizon Advisors
Tennessee
$7K 110 – –
HI
161
Hudock Inc
Pennsylvania
$6K 90 – –
TWA
162
TCI Wealth Advisors
Arizona
$6K 80 – –
S
163
SignatureFD
Georgia
$5K 71 +11 +18%
GRP
164
Global Retirement Partners
California
$4K 55 +55 New
APA
165
American Portfolios Advisors
New York
$2.62K 38 – –
EI
166
Ellevest Inc
New York
$1K 13 – –
PFGIA
167
Patriot Financial Group Insurance Agency
Massachusetts
$1K 20 +3 +18%
HI
168
Harbour Investments
Wisconsin
$1K 17 +13 +325%
QCG
169
Quadrant Capital Group
Ohio
$1K 19 +19 New
Nisa Investment Advisors
170
Nisa Investment Advisors
Missouri
$112 1,620 – –
CCM
171
Cinctive Capital Management
New York
– – -56,461 Closed
Squarepoint
172
Squarepoint
New York
– – -20,173 Closed
TF
173
Trek Financial
Arizona
– – -17,952 Closed
Balyasny Asset Management
174
Balyasny Asset Management
Illinois
– – -15,277 Closed
Wellington Management Group
175
Wellington Management Group
Massachusetts
– – -7,970 Closed
4 5 6
7
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