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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
Mercer Global Advisors
76
Mercer Global Advisors
Colorado
– -$7.96M -72,945 Closed
Retirement Systems of Alabama
77
Retirement Systems of Alabama
Alabama
– -$7.93M -72,685 Closed
Bank of Montreal
78
Bank of Montreal
Ontario, Canada
– -$7.64M -70,047 Closed
PCM
79
Pentwater Capital Management
Florida
– -$7.57M -69,362 Closed
Susquehanna International Group
80
Susquehanna International Group
Pennsylvania
– -$7.45M -68,262 Closed
LIP
81
Lighthouse Investment Partners
Florida
– -$7.33M -67,162 Closed
Manulife (Manufacturers Life Insurance)
82
Manulife (Manufacturers Life Insurance)
Ontario, Canada
– -$7.31M -66,964 Closed
HA
83
Homestead Advisers
Virginia
– -$7.3M -66,877 Closed
MIM
84
MetLife Investment Management
New Jersey
– -$7.12M -65,227 Closed
CT
85
ClearAlpha Technologies
Connecticut
– -$7.09M -64,987 Closed
WG
86
Winton Group
United Kingdom
– -$7.08M -64,851 Closed
MOACM
87
Mutual of America Capital Management
New York
– -$6.99M -64,020 Closed
SIA
88
Sit Investment Associates
Minnesota
– -$6.93M -63,543 Closed
COPPSERS
89
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
– -$6.9M -63,202 Closed
VI
90
Versor Investments
New York
– -$6.51M -59,655 Closed
BNP Paribas Asset Management
91
BNP Paribas Asset Management
France
– -$6.11M -55,955 Closed
Federated Hermes
92
Federated Hermes
Pennsylvania
– -$6.03M -55,253 Closed
California State Teachers Retirement System (CalSTRS)
93
California State Teachers Retirement System (CalSTRS)
California
– -$6.03M -55,226 Closed
Raymond James Financial
94
Raymond James Financial
Florida
– -$5.89M -53,994 Closed
AFM
95
Anson Funds Management
Texas
– -$5.46M -50,085 Closed
PAMP
96
Polar Asset Management Partners
Ontario, Canada
– -$5.46M -50,000 Closed
Calamos Advisors
97
Calamos Advisors
Illinois
– -$5.43M -49,773 Closed
Canada Life
98
Canada Life
Manitoba, Canada
– -$5.06M -46,350 Closed
VI
99
Vestcor Inc
New Brunswick, Canada
– -$5.02M -46,046 Closed
Deutsche Bank
100
Deutsche Bank
Germany
– -$4.98M -45,648 Closed
2 3
4
5 6

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.