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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146 hedge funds and large institutions have $2.42B invested in Altair Engineering Inc. Class A Common Stock in 2020 Q4 according to their latest regulatory filings, with 25 funds opening new positions, 62 increasing their positions, 43 reducing their positions, and 15 closing their positions.

Holders
146
Holders Change
+10
Holders Change %
+7.35%
% of All Funds
2.59%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
25
Increased
62
Reduced
43
Closed
15
Calls
$354K
Puts
$58K
Net Calls
+$296K
Net Calls Change
+$288K

Top Buyers

1
MCMC
1
Matrix Capital Management Company
New Hampshire
$300M
2
Federated Hermes
2
Federated Hermes
Pennsylvania
$37.2M
3
Invesco
3
Invesco
Georgia
$18.6M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$236M
5
Impax Asset Management Group
5
Impax Asset Management Group
United Kingdom
$138M

Top Sellers

1
Neuberger Berman Group
1
Neuberger Berman Group
New York
$112M
2
EVM
2
Eaton Vance Management
Massachusetts
$50.5M
3
Primecap Management
3
Primecap Management
California
$57.9M
4
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$134M
5
BAMCO Inc
5
BAMCO Inc
New York
$104M
Name Market Value Shares Shares
Change 		Shares
Change %
MCMC
1
Matrix Capital Management Company
New Hampshire
$300M 5,155,025 +1,018,300 +25%
BlackRock
2
BlackRock
New York
$249M 4,285,163 +113,581 +3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$236M 4,050,822 +305,743 +8%
PAMU
4
Pictet Asset Management (UK)
United Kingdom
$200M 3,435,584 -12,673 -0.4%
Impax Asset Management Group
5
Impax Asset Management Group
United Kingdom
$138M 2,389,265 +140,627 +6%
Janus Henderson Group
6
Janus Henderson Group
United Kingdom
$134M 2,297,972 -62,481 -3%
CCA
7
Conestoga Capital Advisors
Pennsylvania
$133M 2,280,819 +22,694 +1%
Neuberger Berman Group
8
Neuberger Berman Group
New York
$112M 1,917,420 -374,526 -16%
BAMCO Inc
9
BAMCO Inc
New York
$104M 1,787,359 -50,197 -3%
Ameriprise
10
Ameriprise
Minnesota
$80.9M 1,389,166 -43,617 -3%
Primecap Management
11
Primecap Management
California
$57.9M 994,780 -73,470 -7%
Alkeon Capital Management
12
Alkeon Capital Management
New York
$51M 876,615 +1,615 +0.2%
EVM
13
Eaton Vance Management
Massachusetts
$50.5M 868,554 -300,979 -26%
State Street
14
State Street
Massachusetts
$50.1M 860,285 -8,775 -1%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$38.6M 664,183 +56,401 +9%
Federated Hermes
16
Federated Hermes
Pennsylvania
$37.2M 640,241 +337,160 +111%
Fidelity Investments
17
Fidelity Investments
Massachusetts
$36M 619,244 +10,953 +2%
Northern Trust
18
Northern Trust
Illinois
$31.8M 545,997 +1,098 +0.2%
Royal Bank of Canada
19
Royal Bank of Canada
Ontario, Canada
$28.5M 490,249 -5,029 -1%
PCM
20
Palisade Capital Management
New Jersey
$23.4M 402,315 -13,441 -3%
BFS
21
Bradley Foster & Sargent
Connecticut
$21M 361,419 -6,617 -2%
Invesco
22
Invesco
Georgia
$18.6M 319,277 +307,936 +2,715%
Charles Schwab
23
Charles Schwab
California
$16.5M 284,338 +9,721 +4%
Dimensional Fund Advisors
24
Dimensional Fund Advisors
Texas
$14.5M 249,161 +5,880 +2%
CS
25
Credit Suisse
Switzerland
$13.1M 225,020 +14,487 +7%
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