# ALTAIR ENGR INC (ALTR)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/ALTR/

- Reporting holders: 1
- Reported value: $2.1K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [HUNTINGTON NATIONAL BANK](https://holderbook.com/funds/49205-huntington-national-bank/) | $2.1K | 1 | 0.0% | 13 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 1 | $2.1K |
| Q1 2026 | 1 | $2.1K |
| Q4 2025 | 1 | $2.1K |
| Q3 2025 | 1 | $2.1K |
| Q2 2025 | 2 | $4.1K |
| Q1 2025 | 4 | $67.7K |
| Q4 2024 | 304 | $6.3B |
| Q3 2024 | 256 | $5.9B |
| Q2 2024 | 244 | $6.0B |
| Q1 2024 | 236 | $5.0B |
| Q4 2023 | 216 | $4.8B |
| Q3 2023 | 194 | $3.3B |