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.

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 Market Value Shares Shares
Change 		Shares
Change %
MCMC
1
Matrix Capital Management Company
New Hampshire
$665M 8,600,000 +419,411 +5%
Vanguard Group
2
Vanguard Group
Pennsylvania
$358M 4,627,749 +165,648 +4%
BlackRock
3
BlackRock
New York
$351M 4,539,534 +235,385 +5%
PAMS
4
Pictet Asset Management (Switzerland)
Switzerland
$300M 3,873,734 +100,732 +3%
CCA
5
Conestoga Capital Advisors
Pennsylvania
$180M 2,330,639 +4,780 +0.2%
Impax Asset Management Group
6
Impax Asset Management Group
United Kingdom
$175M 2,270,939 +197,646 +10%
Janus Henderson Group
7
Janus Henderson Group
United Kingdom
$129M 1,671,459 -184,694 -10%
Neuberger Berman Group
8
Neuberger Berman Group
New York
$127M 1,637,259 -46,533 -3%
BAMCO Inc
9
BAMCO Inc
New York
$126M 1,635,056 -7,028 -0.4%
Invesco
10
Invesco
Georgia
$90.8M 1,173,728 -50,321 -4%
Ameriprise
11
Ameriprise
Minnesota
$83.7M 1,082,332 +11,569 +1%
EVM
12
Eaton Vance Management
Massachusetts
$76M 983,464 +35,647 +4%
State Street
13
State Street
Massachusetts
$71.3M 921,512 +7,701 +0.8%
Artisan Partners
14
Artisan Partners
Wisconsin
$69.4M 897,940 +91,333 +11%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$65.7M 849,403 +56,026 +7%
Primecap Management
16
Primecap Management
California
$64.5M 834,400 -59,640 -7%
Federated Hermes
17
Federated Hermes
Pennsylvania
$59.7M 771,622 +2,832 +0.4%
Axa
18
Axa
France
$56.1M 725,671 +55,732 +8%
Norges Bank
19
Norges Bank
Norway
$44.3M 572,968 +64,803 +13%
Northern Trust
20
Northern Trust
Illinois
$38.4M 496,892 +1,191 +0.2%
Aberdeen Group
21
Aberdeen Group
United Kingdom
$38.2M 493,900 +212,002 +75%
T. Rowe Price Associates
22
T. Rowe Price Associates
Maryland
$36.4M 470,663 -2,833 -0.6%
Royal Bank of Canada
23
Royal Bank of Canada
Ontario, Canada
$35.4M 457,319 +6,656 +1%
PCM
24
Palisade Capital Management
New Jersey
$34.9M 451,975 +4,478 +1%
BFS
25
Bradley Foster & Sargent
Connecticut
$31.5M 407,145 -12,451 -3%
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