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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295 hedge funds and large institutions have $5.96B invested in Altair Engineering Inc. Class A Common Stock in 2024 Q4 according to their latest regulatory filings, with 93 funds opening new positions, 76 increasing their positions, 96 reducing their positions, and 43 closing their positions.

Holders
295
Holders Change
+47
Holders Change %
+18.95%
% of All Funds
3.93%
Holding in Top 10
7
Holding in Top 10 Change
+5
Holding in Top 10 Change %
+250%
% of All Funds
0.09%
New
93
Increased
76
Reduced
96
Closed
43
Calls
$19.3M
Puts
$44.9M
Net Calls
-$25.7M
Net Calls Change
-$47.2M

Top Buyers

1
UOC
1
UBS O'Connor
Illinois
$97.9M
2
MF
2
Magnetar Financial
Illinois
$62.1M
3
Goldman Sachs
3
Goldman Sachs
New York
$99.3M
4
Millennium Management
4
Millennium Management
New York
$61.2M
5
AA
5
AQR Arbitrage
Connecticut
$53.2M

Top Sellers

1
Pictet Asset Management
1
Pictet Asset Management
Switzerland
$886K
2
CCA
2
Conestoga Capital Advisors
Pennsylvania
$121M
3
Invesco
3
Invesco
Georgia
$9.58M
4
William Blair Investment Management
4
William Blair Investment Management
Illinois
$0
5
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$2.95M
Name Market Value Shares Shares
Change 		Shares
Change %
MCMC
1
Matrix Capital Management Company
New Hampshire
$1.36B 12,430,000 – –
BlackRock
2
BlackRock
New York
$816M 7,478,856 -565,929 -7%
Vanguard Group
3
Vanguard Group
Pennsylvania
$752M 6,894,230 +317,575 +5%
State Street
4
State Street
Massachusetts
$232M 2,122,319 +68,362 +3%
Geode Capital Management
5
Geode Capital Management
Massachusetts
$152M 1,394,124 -29,756 -2%
Impax Asset Management Group
6
Impax Asset Management Group
United Kingdom
$130M 1,196,098 -164,123 -12%
CCA
7
Conestoga Capital Advisors
Pennsylvania
$121M 1,112,548 -1,410,003 -56%
AllianceBernstein
8
AllianceBernstein
Tennessee
$116M 1,066,016 -204,587 -16%
Goldman Sachs
9
Goldman Sachs
New York
$99.3M 909,907 +566,105 +165%
UOC
10
UBS O'Connor
Illinois
$97.9M 897,580 +897,580 New
Northern Trust
11
Northern Trust
Illinois
$82M 751,191 +63,368 +9%
CS
12
Candriam SCA
Luxembourg
$67M 614,335 -86,363 -12%
Dimensional Fund Advisors
13
Dimensional Fund Advisors
Texas
$64.5M 591,573 +12,585 +2%
MF
14
Magnetar Financial
Illinois
$62.1M 569,534 +569,534 New
Aberdeen Group
15
Aberdeen Group
United Kingdom
$61.9M 566,936 – –
JPMorgan Chase & Co
16
JPMorgan Chase & Co
New York
$61.8M 566,791 +429,010 +311%
Millennium Management
17
Millennium Management
New York
$61.2M 560,612 +560,612 New
Morgan Stanley
18
Morgan Stanley
New York
$59.8M 547,863 -142,827 -21%
BAMCO Inc
19
BAMCO Inc
New York
$58.8M 539,002 -720,342 -57%
Charles Schwab
20
Charles Schwab
California
$55.3M 506,579 +1,109 +0.2%
AA
21
AQR Arbitrage
Connecticut
$53.2M 487,904 +487,904 New
Bank of New York Mellon
22
Bank of New York Mellon
New York
$46M 421,883 -48,877 -10%
Man Group
23
Man Group
United Kingdom
$43M 393,713 +393,713 New
UBS AM
24
UBS AM
Illinois
$41.6M 381,061 +254,448 +201%
Royal Bank of Canada
25
Royal Bank of Canada
Ontario, Canada
$39.8M 364,814 -50,554 -12%
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