# GTT COMMUNICATIONS INC (GTTCW)

> Institutional ownership reported to the SEC as of Q2 2021, from Form 13F filings. Source: https://holderbook.com/stocks/GTTCW/

- Reporting holders: 2
- Reported value: $1.7M
- Held through calls: 60.8%
- Held through puts: 39.2%

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 |
|---|---|---|---|---|
| [GROUP ONE TRADING, L.P.](https://holderbook.com/funds/932540-group-one-trading-l-p/) | $1.6M | 0 | 0.0% | 11 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $172.0K | 0 | 0.0% | 11 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2021 | 2 | $1.7M |
| Q1 2021 | 2 | $547.0K |
| Q4 2020 | 2 | $340.0K |
| Q3 2020 | 3 | $1.2M |
| Q2 2020 | 3 | $1.4M |
| Q1 2020 | 3 | $5.2M |
| Q4 2019 | 3 | $7.9M |
| Q3 2019 | 3 | $6.0M |
| Q2 2019 | 2 | $4.0M |
| Q1 2019 | 3 | $6.6M |
| Q4 2018 | 3 | $1.8M |