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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
DIG
176
DeepCurrents Investment Group
New York
– -$1.09M -10,000 Closed
PGCM
177
Prescott Group Capital Management
Oklahoma
– -$1.09M -10,000 Closed
Two Sigma Investments
178
Two Sigma Investments
New York
– -$1.09M -9,991 Closed
Simplex Trading
179
Simplex Trading
Illinois
– -$1.04M -9,381 Closed
GT
180
Glenmede Trust
Pennsylvania
– -$966K -8,852 Closed
New York State Teachers Retirement System (NYSTRS)
181
New York State Teachers Retirement System (NYSTRS)
New York
– -$938K -8,600 Closed
Nomura Holdings
182
Nomura Holdings
Japan
– -$904K -8,283 Closed
Pictet Asset Management
183
Pictet Asset Management
Switzerland
– -$886K -8,118 Closed
X
184
Xponance
Pennsylvania
– -$882K -8,079 Closed
SFI
185
Susquehanna Fundamental Investments
Pennsylvania
– -$873K -8,000 Closed
IMRF
186
Illinois Municipal Retirement Fund
Illinois
– -$852K -7,810 Closed
GI
187
GAMCO Investors
Connecticut
– -$835K -7,650 Closed
HFM
188
Harvest Fund Management
China
– -$743K -7,079 Closed
Blackstone Inc
189
Blackstone Inc
New York
– -$750K -6,877 Closed
SOADOR
190
State of Alaska Department of Revenue
Alaska
– -$743K -6,815 Closed
SEI Investments
191
SEI Investments
Pennsylvania
– -$712K -6,521 Closed
LTAS
192
Linden Thomas Advisory Services
North Carolina
– -$692K -6,341 Closed
CAM
193
Cresset Asset Management
Illinois
– -$691K -6,337 Closed
DTL
194
Dynamic Technology Lab
Singapore
– -$691K -6,330 Closed
Mitsubishi UFJ Asset Management
195
Mitsubishi UFJ Asset Management
Japan
– -$685K -6,243 Closed
JSC
196
Jackson Square Capital
California
– -$658K -6,033 Closed
QOP
197
Quinn Opportunity Partners
Virginia
– -$655K -6,000 Closed
MML Investors Services
198
MML Investors Services
Massachusetts
– -$637K -5,836 Closed
Prudential Financial
199
Prudential Financial
New Jersey
– -$590K -5,690 Closed
Amundi
200
Amundi
France
– -$623K -5,650 Closed
6 7
8
9 10

ALTR Hedge Fund Activity: Q1 2025 in Review

3 of the 7,458 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.