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.

New
Increased
Maintained
Reduced
Closed
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 Holding Trade Value Shares
Change 		Shares
Change %
Norges Bank
26
Norges Bank
Norway
$37.9M +$37.9M +347,348 New
TAM
27
Thematics Asset Management
France
$37.3M -$3.75M -34,342 -9%
SSA
28
Schonfeld Strategic Advisors
New York
$36.2M +$35.9M +329,016 +13,098%
Franklin Resources
29
Franklin Resources
California
$36.1M -$10.6M -97,326 -23%
Tudor Investment Corp
30
Tudor Investment Corp
Connecticut
$34.6M +$34.6M +316,994 New
WP
31
Woodline Partners
California
$32.7M +$32.7M +299,998 New
FCM
32
Farallon Capital Management
California
$30.8M +$30.8M +282,000 New
Primecap Management
33
Primecap Management
California
$26M -$9.18M -84,130 -26%
NIM
34
Needham Investment Management
New York
$24.5M -$709K -6,500 -3%
Canada Pension Plan Investment Board
35
Canada Pension Plan Investment Board
Ontario, Canada
$24.3M +$24.3M +222,600 New
TAL
36
TIG Advisors LLC
New York
$24.1M +$24.1M +220,467 New
California Public Employees Retirement System
37
California Public Employees Retirement System
California
$24.1M +$13.9M +127,009 +136%
WCMNY
38
Westchester Capital Management (New York)
New York
$22.9M +$22.9M +210,020 New
Ameriprise
39
Ameriprise
Minnesota
$22.2M -$52.9M -485,223 -71%
Hudson Bay Capital Management
40
Hudson Bay Capital Management
Connecticut
$22.1M +$22.1M +202,091 New
State of Wisconsin Investment Board
41
State of Wisconsin Investment Board
Wisconsin
$21.6M +$10.6M +97,452 +97%
DKCM
42
Davidson Kempner Capital Management
New York
$21M +$21M +192,694 New
UBS Group
43
UBS Group
Switzerland
$21M +$17.3M +158,136 +460%
HSBC Holdings
44
HSBC Holdings
United Kingdom
$19.7M +$19.7M +180,621 New
RhumbLine Advisers
45
RhumbLine Advisers
Massachusetts
$19.5M +$205K +1,875 +1%
SC
46
Slotnik Capital
Texas
$19.4M +$19.4M +177,629 New
LP
47
LMR Partners
United Kingdom
$18.7M +$18.7M +171,713 New
Nuveen Asset Management
48
Nuveen Asset Management
Illinois
$18.5M +$769K +7,047 +4%
Principal Financial Group
49
Principal Financial Group
Iowa
$18.4M +$313K +2,872 +2%
Comerica Bank
50
Comerica Bank
Texas
$17.8M -$4.02M -36,862 -18%
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