Yes, you can get an alert when any of your colleague shares a List with you, provided the Alert is enabled.
To enable the alert, please follow the below steps :
1. Click on the Bell
icon on the right top of your Vtiger page.
2. Click on Settings
button under the Vtiger Buzz page
3. Expand the Common Alerts
by clicking on the drop down icon besides it
4. Enable the Common Alert for Dashboard is shared with you
and check the checkbox for Vtiger Buzz
Refer : Vtiger Buzz