Altair Engineering Inc
ALTR
ALTR was delisted on the 25th of March, 2025.
176 hedge funds and large institutions have $3.83B invested in Altair Engineering Inc in 2021 Q4 according to their latest regulatory filings, with 29 funds opening new positions, 68 increasing their positions, 54 reducing their positions, and 25 closing their positions.
4,543% more call options, than puts
Call options by funds: $325K | Put options by funds: $7K
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
26% more repeat investments, than reductions
Existing positions increased: 68 | Existing positions reduced: 54
16% more first-time investments, than exits
New positions opened: 29 | Existing positions closed: 25
14% more capital invested
Capital invested by funds: $3.36B → $3.83B (+$465M)
2% more funds holding
Funds holding: 172 → 176 (+4)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MCMC
Matrix Capital Management Company
Portsmouth,
New Hampshire
|
+$31.4M |
| 2 |
BlackRock
New York
|
+$17.6M |
| 3 |
Aberdeen Group
Edinburgh,
United Kingdom
|
+$15.9M |
| 4 |
Impax Asset Management Group
London,
United Kingdom
|
+$14.8M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
+$12.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Toronto,
Ontario, Canada
|
-$44M |
| 2 |
Alkeon Capital Management
New York
|
-$28.1M |
| 3 |
Janus Henderson Group
London,
United Kingdom
|
-$13.8M |
| 4 |
SG Americas Securities
New York
|
-$5.19M |
| 5 |
Goldman Sachs
New York
|
-$4.62M |
ALTR Hedge Fund Activity: Q4 2021 in Review
176 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in Altair Engineering Inc (ALTR) for Q4 2021, worth a combined $3.83B — up 14% from $3.36B a quarter earlier.
Buyers outnumbered sellers: 29 funds opened new ALTR positions and 25 closed out — a net gain of 4 holders — while 68 added to existing stakes and 54 trimmed.
The largest buyer was Matrix Capital Management Company, adding an estimated $31.4M. The largest seller was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, exiting entirely with an estimated $44M sold.
- 176 institutional investors held Altair Engineering Inc (ALTR) as of Q4 2021, up from 172 in Q3 2021.
- Funds reported $3.83B of Altair Engineering Inc stock for Q4 2021, up 14% quarter-over-quarter.
- 29 funds opened new Altair Engineering Inc positions in Q4 2021 and 25 closed out, a net change of +4 holders.
- The largest Altair Engineering Inc buyer in Q4 2021 was Matrix Capital Management Company, an estimated $31.4M added.
- The largest Altair Engineering Inc seller in Q4 2021 was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, an estimated $44M sold.
Based on aggregated 13F filings for Q4 2021.