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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
MIM
226
Marco Investment Management
Georgia
– -$271K -2,485 Closed
AWM
227
AE Wealth Management
Kansas
– -$269K -2,461 Closed
A
228
AlphaQuest
New York
– -$258K -2,364 Closed
CAM
229
Congress Asset Management
Massachusetts
– -$251K -2,297 Closed
SCM
230
Shelton Capital Management
Colorado
– -$249K -2,281 Closed
HR
231
Hardy Reed
Mississippi
– -$248K -2,270 Closed
BP
232
Ballentine Partners
Massachusetts
– -$244K -2,236 Closed
OAM
233
Ostrum Asset Management
France
– -$231K -2,115 Closed
Nisa Investment Advisors
234
Nisa Investment Advisors
Missouri
– -$230K -2,109 Closed
GCP
235
GSA Capital Partners
United Kingdom
– -$228K -2,086 Closed
PA
236
PFW Advisors
Georgia
– -$227K -2,084 Closed
GS
237
GTS Securities
New York
– -$201K -1,838 Closed
Walleye Capital
238
Walleye Capital
New York
– -$142K -1,302 Closed
US Bancorp
239
US Bancorp
Minnesota
– -$139K -1,277 Closed
Fifth Third Bancorp
240
Fifth Third Bancorp
Ohio
– -$126K -1,153 Closed
PNC Financial Services Group
241
PNC Financial Services Group
Pennsylvania
– -$123K -1,130 Closed
VanEck Associates
242
VanEck Associates
New York
– -$101K -926 Closed
GI
243
GAMMA Investing
California
– -$79.5K -729 Closed
LIM
244
Longfellow Investment Management
Massachusetts
– -$75.7K -694 Closed
AF
245
Advisornet Financial
Minnesota
– -$69.7K -639 Closed
S
246
SignatureFD
Georgia
– -$56.5K -518 Closed
Group One Trading
247
Group One Trading
Illinois
– -$54.6K -500 Closed
PA
248
Parallel Advisors
California
– -$54.3K -498 Closed
Walleye Trading
249
Walleye Trading
New York
– -$39K -357 Closed
JFGIW
250
Johnson Financial Group Inc (Wisconsin)
Wisconsin
– -$36.9K -334 Closed
8 9
10
11 12

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.