diff --git a/conservancy_beancount/reports/core.py b/conservancy_beancount/reports/core.py
index d2cc8645de53be47f166c4303b9cad6b5a665e3c..48ba9c4e158ee7ac4462e0611d7e52a020602f1a 100644
--- a/conservancy_beancount/reports/core.py
+++ b/conservancy_beancount/reports/core.py
@@ -274,6 +274,12 @@ class RelatedPostings(Sequence[data.Posting]):
         for value, posts in mapping.items():
             yield value, cls(posts, _can_own=True)
 
+    @classmethod
+    def group_by_account(cls: Type[RelatedType],
+                         postings: Iterable[data.Posting],
+    ) -> Iterator[Tuple[data.Account, RelatedType]]:
+        return cls._group_by(postings, operator.attrgetter('account'))
+
     @classmethod
     def group_by_meta(cls: Type[RelatedType],
                       postings: Iterable[data.Posting],