# atmos stack instances

List component instances across stacks. This is an alias for [`atmos list instances`](/cli/commands/list/list-instances), with the same flags and output.

## Usage

```shell
atmos stack instances [flags]
```

## Flags

- **`--stack` / `-s`**
  Filter by stack name or glob pattern.
- **`--format` / `-f`**
  Select the output format, such as table, JSON, YAML, or CSV.
- **`--filter`**
  Filter instance rows with a YQ predicate.

See [`atmos list instances`](/cli/commands/list/list-instances) for the complete flag reference.

## Examples

```shell
atmos stack instances
atmos stack instances --stack=dev --format=json
```