Yes, open Open New Window With 4 Tabs and adjust WindowArgs (x, y, width, height).
For more information on WindowArgs, see this link: Positioning & Resizing Windows, Dialogs, and Lists Using WindowArgs
The WindowArgs I specified (0% 0% 50% 75%) worked well on my 16" MacBook Pro, but if you have a narrower display, you might need to increase the width.