diff --git a/change_notes/2025-06-06-same-source-performance.md b/change_notes/2025-06-06-same-source-performance.md
new file mode 100644
index 000000000..e0dfc36de
--- /dev/null
+++ b/change_notes/2025-06-06-same-source-performance.md
@@ -0,0 +1,2 @@
+ - `FIO39-C`, `FIO50-CPP`, `A27-0-3`, `RULE-30-0-2`: `IOFstreamMissingPositioning.ql`, `InterleavedInputOutputWithoutPosition.ql`, `InterleavedInputOutputWithoutFlush.ql`, `ReadsAndWritesOnStreamNotSeparatedByPositioning.ql`.
+   - Improved performance for codebases with large numbers of stream or file accesses.
\ No newline at end of file
diff --git a/cpp/common/src/codingstandards/cpp/rules/iofstreammissingpositioning/IOFstreamMissingPositioning.qll b/cpp/common/src/codingstandards/cpp/rules/iofstreammissingpositioning/IOFstreamMissingPositioning.qll
index 547c90daf..b26421c72 100644
--- a/cpp/common/src/codingstandards/cpp/rules/iofstreammissingpositioning/IOFstreamMissingPositioning.qll
+++ b/cpp/common/src/codingstandards/cpp/rules/iofstreammissingpositioning/IOFstreamMissingPositioning.qll
@@ -51,7 +51,8 @@ class WriteFunctionCall extends ReadWriteCall {
   }
 }
 
-pragma[inline]
+bindingset[a, b]
+pragma[inline_late]
 predicate sameSource(FunctionCall a, FunctionCall b) {
   sameStreamSource(a, b) or
   sameFileSource(a, b)