Brian Bares - Bares Capital Management 13F Activity & Position Changes (Q3 2017)
According to the SEC 13F filed on Nov 14, 2025, the Bares Capital Management portfolio showed several notable changes in holdings as of quarter-end Sep 30, 2017. The activity included new positions, additions to existing holdings, reductions, and complete exits, providing a clear view of how the portfolio evolved during the quarter.
During Q3 2017, the filing reported:
New Buys - None reported
Increases - Box, Inc., CoStar Group, Inc., Fastenal Company, FactSet Research Systems Inc., Interactive Brokers Group, Inc., and 5 more
Complete Exits - Verisk Analytics, Inc.
These updates highlight how the portfolio adjusted across different sectors and market conditions, offering insights into allocation shifts and investment trends.
| Date | Symbol | Type | Change Qty |
|---|---|---|---|
|
Q3 2017
|
ALRM
Alarm.com Holdings, Inc.
|
Sell |
-79,144
|
|
Q3 2017
|
ANSS
ANSYS, Inc.
|
Sell |
-3,238
|
|
Q3 2017
|
BOX
Box, Inc.
|
Buy |
+588,875
|
|
Q3 2017
|
CRMT
America's Car-Mart, Inc.
|
Sell |
-469,037
|
|
Q3 2017
|
CSGP
CoStar Group, Inc.
|
Buy |
+46,294
|
|
Q3 2017
|
FAST
Fastenal Company
|
Buy |
+70,166
|
|
Q3 2017
|
FDS
FactSet Research Systems Inc.
|
Buy |
+59,249
|
|
Q3 2017
|
IBKR
Interactive Brokers Group, Inc.
|
Buy |
+97,099
|
|
Q3 2017
|
IT
Gartner, Inc.
|
Buy |
+42,195
|
|
Q3 2017
|
MKL
Markel Group Inc.
|
Buy |
+7,964
|
|
Q3 2017
|
TWLO
Twilio Inc.
|
Buy |
+3,972
|
|
Q3 2017
|
UA
Under Armour, Inc.
|
Buy |
+447,650
|
|
Q3 2017
|
VRSK
Verisk Analytics, Inc.
|
Sell - Position Exit |
-1,112,394
|
|
Q3 2017
|
WAT
Waters Corporation
|
Buy |
+4,663
|