diff --git a/.travis.yml b/.travis.yml
index 4d70f7d6..260ae83b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,6 +28,6 @@ before_script:
   - pip freeze | sort
   - "flake8 zipline tests"
 script:
-  - nosetests --with-timer --exclude=^test_examples --with-coverage --cover-package=zipline
+  - nosetests --with-timer --exclude=^test_examples --with-coverage --cover-package=zipline --timer-top-n=15
 after_success:
   - coveralls
diff --git a/setup.cfg b/setup.cfg
index 86507976..a1ce13a4 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,6 +3,7 @@ verbosity=2
 detailed-errors=1
 with-ignore-docstrings=1
 with-timer=1
+timer-top-n=15
 
 [metadata]
 description-file = README.rst