Altair Engineering Inc.
ALTRDelisted Mar 26, 2025- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001701732
Altair Engineering Inc. was delisted on Mar 26, 2025; its insiders filed their last Form 4 on Mar 26, 2025; 298 institutions reported holding it in 13F filings for Q4 2024, worth $6.27B in total; ARK Invest was the only superinvestor holding it.
13F holders, Q1 2024
Institutional positions in Altair Engineering Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 233
- +18 vs. Q4 2023
- Shares held
- 56.0M
- +1.41M (+2.6%) vs. Q4 2023
- Total value
- $4.82B
- +$230.2M (+5.0%) vs. Q4 2023
- New holders
- 39
- 86 more added
- Sold out
- 21
- 77 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALTR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1 | $2.08K |
| Q1 2026 | 1 | $2.08K |
| Q4 2025 | 1 | $2.08K |
| Q3 2025 | 1 | $2.08K |
| Q2 2025 | 2 | $4.13K |
| Q1 2025 | 3 | $53.7K |
| Q4 2024 | 298 | $6.27B |
| Q3 2024 | 252 | $5.79B |
| Q2 2024 | 240 | $5.90B |
| Q1 2024 | 233 | $4.82B |
| Q4 2023 | 216 | $4.62B |
| Q3 2023 | 194 | $3.30B |
| Q2 2023 | 214 | $3.94B |
| Q1 2023 | 199 | $3.73B |
| Q4 2022 | 173 | $2.25B |
| Q3 2022 | 178 | $2.21B |
| Q2 2022 | 184 | $2.63B |
| Q1 2022 | 189 | $3.19B |
| Q4 2021 | 176 | $3.83B |
| Q3 2021 | 173 | $3.36B |
| Q2 2021 | 165 | $3.07B |
| Q1 2021 | 164 | $2.69B |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding Altair Engineering Inc.; share changes are against Q4 2023.