diff --git a/stubs/rx/subjects/anonymoussubject.pyi b/stubs/rx/subjects/anonymoussubject.pyi
new file mode 100644
--- /dev/null
+++ b/stubs/rx/subjects/anonymoussubject.pyi
@@ -0,0 +1,14 @@
+# Stubs for rx.subjects.anonymoussubject (Python 3)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from rx.core import ObservableBase
+from typing import Any
+
+class AnonymousSubject(ObservableBase):
+    observer: Any = ...
+    observable: Any = ...
+    def __init__(self, observer: Any, observable: Any) -> None: ...
+    def on_completed(self) -> None: ...
+    def on_error(self, exception: Any) -> None: ...
+    def on_next(self, value: Any) -> None: ...