# ATLAS CORP (ATCOPRH)

> Institutional ownership reported to the SEC as of Q1 2023, from Form 13F filings. Source: https://holderbook.com/stocks/ATCOPRH/

- Reporting holders: 1
- Reported value: $624.0K
- Held through calls: 100.0%
- 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 |
|---|---|---|---|---|
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $624.0K | 0 | 0.0% | 8 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q1 2023 | 1 | $624.0K |
| Q4 2022 | 4 | $29.0M |
| Q3 2022 | 6 | $29.1M |
| Q2 2022 | 3 | $16.4M |
| Q1 2022 | 3 | $23.7M |
| Q4 2021 | 2 | $27.0M |
| Q3 2021 | 3 | $12.0M |
| Q2 2021 | 3 | $7.6M |
| Q1 2021 | 3 | $1.8M |
| Q4 2020 | 3 | $1.5M |
| Q3 2020 | 2 | $1.1M |
| Q2 2020 | 2 | $432.0K |