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 %
MCMC
1
Matrix Capital Management Company
New Hampshire
$564M 8,180,589 +2,935,564 +56%
Vanguard Group
2
Vanguard Group
Pennsylvania
$308M 4,462,101 +109,669 +3%
BlackRock
3
BlackRock
New York
$297M 4,304,149 -31,554 -0.7%
PAMS
4
Pictet Asset Management (Switzerland)
Switzerland
$260M 3,773,002 +3,773,002 New
CCA
5
Conestoga Capital Advisors
Pennsylvania
$160M 2,325,859 +25,980 +1%
Impax Asset Management Group
6
Impax Asset Management Group
United Kingdom
$142M 2,073,293 -39,141 -2%
Janus Henderson Group
7
Janus Henderson Group
United Kingdom
$128M 1,856,153 -134,040 -7%
Neuberger Berman Group
8
Neuberger Berman Group
New York
$116M 1,683,792 -22,329 -1%
BAMCO Inc
9
BAMCO Inc
New York
$113M 1,642,084 +7,028 +0.4%
Invesco
10
Invesco
Georgia
$84.4M 1,224,049 -129,082 -10%
Ameriprise
11
Ameriprise
Minnesota
$73.8M 1,070,763 -58,732 -5%
EVM
12
Eaton Vance Management
Massachusetts
$65.3M 947,817 +154,797 +20%
State Street
13
State Street
Massachusetts
$63M 913,811 +6,458 +0.7%
Primecap Management
14
Primecap Management
California
$61.6M 894,040 -18,940 -2%
Artisan Partners
15
Artisan Partners
Wisconsin
$55.6M 806,607 +250,784 +45%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$54.7M 793,377 +10,141 +1%
Federated Hermes
17
Federated Hermes
Pennsylvania
$53M 768,790 +5,368 +0.7%
Alkeon Capital Management
18
Alkeon Capital Management
New York
$46.7M 677,004 -1,510 -0.2%
Axa
19
Axa
France
$46.2M 669,939 -29,592 -4%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
20
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$44M 638,800 +638,800 New
Norges Bank
21
Norges Bank
Norway
$35M 508,165 +148,912 +41%
Northern Trust
22
Northern Trust
Illinois
$34.2M 495,701 -17,856 -3%
T. Rowe Price Associates
23
T. Rowe Price Associates
Maryland
$32.6M 473,496 +325,126 +219%
Royal Bank of Canada
24
Royal Bank of Canada
Ontario, Canada
$31.1M 450,663 -6,389 -1%
PCM
25
Palisade Capital Management
New Jersey
$30.9M 447,497 +36,847 +9%
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