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ALTR

Altair Engineering Inc
ALTR

Delisted

ALTR was delisted on the 25th of March, 2025.

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3 hedge funds and large institutions have $53.7K invested in Altair Engineering Inc in 2025 Q1 according to their latest regulatory filings, with 0 funds opening new positions, 0 increasing their positions, 2 reducing their positions, and 290 closing their positions.

New
Increased
Maintained
Reduced
Closed

99% less funds holding

Funds holding: 298 → 3 (-295)

100% less funds holding in top 10

Funds holding in top 10: 8 → 0 (-8)

100% less capital invested

Capital invested by funds: $6.27B → $53.7K (-$6.27B)

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 290

100% less repeat investments, than reductions

Existing positions increased: 0 | Existing positions reduced: 2

Holders
3
Holders Change
-295
Holders Change %
-98.99%
% of All Funds
0.04%
Holding in Top 10
–
Holding in Top 10 Change
-8
Holding in Top 10 Change %
-100%
% of All Funds
–
New
–
Increased
–
Reduced
2
Closed
290
Calls
$14K
Puts
–
Net Calls
+$14K
Net Calls Change
+$25.7M

Top Buyers

No buyers this quarter

Top Sellers

Rank Fund Capital Flow
1
MCMC
Matrix Capital Management Company
New Hampshire
-$1.36B
2
BlackRock
BlackRock
New York
-$816M
3
Vanguard Group
Vanguard Group
Pennsylvania
-$752M
4
HI
HBK Investments
Texas
-$303M
5
State Street
State Street
Massachusetts
-$232M
Name Holding Trade Value Shares
Change 		Change in
Stake
Bank of New York Mellon
26
Bank of New York Mellon
New York
– -$46M -421,883 Closed
Man Group
27
Man Group
United Kingdom
– -$43M -393,713 Closed
UBS AM
28
UBS AM
Illinois
– -$41.6M -381,061 Closed
Royal Bank of Canada
29
Royal Bank of Canada
Ontario, Canada
– -$39.8M -364,814 Closed
Norges Bank
30
Norges Bank
Norway
– -$37.9M -347,348 Closed
TAM
31
Thematics Asset Management
France
– -$37.3M -341,939 Closed
SSA
32
Schonfeld Strategic Advisors
New York
– -$36.2M -331,528 Closed
Franklin Resources
33
Franklin Resources
California
– -$36.1M -330,957 Closed
Tudor Investment Corp
34
Tudor Investment Corp
Connecticut
– -$34.6M -316,994 Closed
WP
35
Woodline Partners
California
– -$32.7M -299,998 Closed
FCM
36
Farallon Capital Management
California
– -$30.8M -282,000 Closed
Primecap Management
37
Primecap Management
California
– -$26M -238,363 Closed
NIM
38
Needham Investment Management
New York
– -$24.5M -225,000 Closed
Canada Pension Plan Investment Board
39
Canada Pension Plan Investment Board
Ontario, Canada
– -$24.3M -222,600 Closed
TAL
40
TIG Advisors LLC
New York
– -$24.1M -220,467 Closed
California Public Employees Retirement System
41
California Public Employees Retirement System
California
– -$24.1M -220,435 Closed
WCMNY
42
Westchester Capital Management (New York)
New York
– -$22.9M -210,020 Closed
Ameriprise
43
Ameriprise
Minnesota
– -$22.2M -203,035 Closed
Hudson Bay Capital Management
44
Hudson Bay Capital Management
Connecticut
– -$22.1M -202,091 Closed
State of Wisconsin Investment Board
45
State of Wisconsin Investment Board
Wisconsin
– -$21.6M -197,530 Closed
DKCM
46
Davidson Kempner Capital Management
New York
– -$21M -192,694 Closed
UBS Group
47
UBS Group
Switzerland
– -$21M -192,502 Closed
HSBC Holdings
48
HSBC Holdings
United Kingdom
– -$19.7M -180,621 Closed
RhumbLine Advisers
49
RhumbLine Advisers
Massachusetts
– -$19.5M -178,626 Closed
SC
50
Slotnik Capital
Texas
– -$19.4M -177,629 Closed
1
2
3 4 5

ALTR Hedge Fund Activity: Q1 2025 in Review

3 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Altair Engineering Inc (ALTR) for Q1 2025, worth a combined $53.7K — down 100% from $6.27B a quarter earlier.

Sellers outnumbered buyers: 290 funds closed out of ALTR and 0 opened new positions — a net loss of 290 holders — while 2 trimmed existing stakes and 0 added.

The largest seller was Matrix Capital Management Company, exiting entirely with an estimated $1.36B sold.

  • 3 institutional investors held Altair Engineering Inc (ALTR) as of Q1 2025, down from 298 in Q4 2024.
  • Funds reported $53.7K of Altair Engineering Inc stock for Q1 2025, down 100% quarter-over-quarter.
  • 0 funds opened new Altair Engineering Inc positions in Q1 2025 and 290 closed out, a net change of -290 holders.
  • The largest Altair Engineering Inc seller in Q1 2025 was Matrix Capital Management Company, an estimated $1.36B sold.

Based on aggregated 13F filings for Q1 2025.