diff --git a/src/codemodder/codeql.py b/src/codemodder/codeql.py
index fc3fd2bb..0f976adc 100644
--- a/src/codemodder/codeql.py
+++ b/src/codemodder/codeql.py
@@ -59,4 +59,5 @@ def from_sarif(cls, sarif_file: str | Path, truncate_rule_id: bool = False) -> S
                         sarif_result, sarif_run, truncate_rule_id
                     )
                     result_set.add_result(codeql_result)
+                result_set.store_tool_data(sarif_run.get("tool", {}))
         return result_set
diff --git a/src/codemodder/result.py b/src/codemodder/result.py
index f3487d5c..69d86bba 100644
--- a/src/codemodder/result.py
+++ b/src/codemodder/result.py
@@ -192,7 +192,8 @@ def add_result(self, result: Result):
             self.setdefault(result.rule_id, {}).setdefault(loc.file, []).append(result)
 
     def store_tool_data(self, tool_data: dict):
-        self.tools.append(tool_data)
+        if tool_data:
+            self.tools.append(tool_data)
 
     def results_for_rule_and_file(
         self, context: CodemodExecutionContext, rule_id: str, file: Path
@@ -231,6 +232,9 @@ def __or__(self, other):
         result.results_for_rule = list_dict_or(
             self.results_for_rule, other.results_for_rule
         )
+        for tool in self.tools or other.tools:
+            result.store_tool_data(tool)
+
         return result
 
     def __ior__(self, other):
diff --git a/src/codemodder/semgrep.py b/src/codemodder/semgrep.py
index 47a1ea32..7c6e7a32 100644
--- a/src/codemodder/semgrep.py
+++ b/src/codemodder/semgrep.py
@@ -88,7 +88,7 @@ def from_sarif(cls, sarif_file: str | Path, truncate_rule_id: bool = False) -> S
                     result, sarif_run, truncate_rule_id
                 )
                 result_set.add_result(sarif_result)
-
+            result_set.store_tool_data(sarif_run.get("tool", {}))
         return result_set
 
 
diff --git a/tests/test_codeql.py b/tests/test_codeql.py
index c8a2e2c3..ea219e83 100644
--- a/tests/test_codeql.py
+++ b/tests/test_codeql.py
@@ -19,6 +19,8 @@ def test_from_file(codeql_result_set: Path):
     result_set = process_codeql_findings(tuple([str(codeql_result_set)]))
     assert len(result_set["py/path-injection"][Path("Path Traversal/py_ctf.py")]) == 1
     assert len(result_set["py/path-injection"]) == 2
+    assert result_set.tools
+    assert result_set.tools[0]["driver"]
 
 
 def test_from_duplicate_files(codeql_result_set: Path):
diff --git a/tests/test_sarif_processing.py b/tests/test_sarif_processing.py
index b4e75d2b..f7d4f2a9 100644
--- a/tests/test_sarif_processing.py
+++ b/tests/test_sarif_processing.py
@@ -4,6 +4,7 @@
 
 import pytest
 
+from codemodder.codemods.semgrep import process_semgrep_findings
 from codemodder.sarifs import detect_sarif_tools
 from codemodder.semgrep import SemgrepResult, SemgrepResultSet
 
@@ -149,3 +150,9 @@ def test_two_sarifs_different_tools(self):
         assert "semgrep" in results
         assert len(results["codeql"]) == 1
         assert len(results["semgrep"]) == 1
+
+    def test_stores_tools(self):
+        sarif_file = Path("tests") / "samples" / "semgrep.sarif"
+        result_set = process_semgrep_findings(tuple([str(sarif_file)]))
+        assert result_set.tools
+        assert result_set.tools[0]["driver"]["rules"]