Fred Martin - Disciplined Growth Investors 13F Activity & Position Changes (Q3 2015)

As of Sep 30, 2015, the Disciplined Growth Investors portfolio activity showed several notable changes in holdings, according to the latest SEC 13F filing reported on May 15, 2026. 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 2015, the filing reported:

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 2015
AAPL
Apple Inc.
Sell
-905
Q3 2015
ADSK
Autodesk, Inc.
Buy
+24,100
Q3 2015
AKAM
Akamai Technologies, Inc.
Buy
+18,300
Q3 2015
ALGN
Align Technology, Inc.
Buy
+15,425
Q3 2015
BRC
Brady Corporation
Sell - Position Exit
-646,210
Q3 2015
CAKE
The Cheesecake Factory Incorpor
Buy
+8,025
Q3 2015
CEVA
CEVA, Inc.
Buy
+16,425
Q3 2015
CSGP
CoStar Group, Inc.
Buy
+1,290
Q3 2015
CSX
CSX Corporation
Sell - Position Exit
-6,204
Q3 2015
DLB
Dolby Laboratories
Buy
+8,462
Q3 2015
ETD
Ethan Allen Interiors Inc.
Buy
+23,425
Q3 2015
ETN
Eaton
Sell - Position Exit
-177,502
Q3 2015
EW
Edwards Lifesciences Corporatio
Buy
+9,610
Q3 2015
FDS
FactSet Research Systems Inc.
Buy
+3,503
Q3 2015
GEOS
Geospace Technologies Corporati
Buy
+3,175
Q3 2015
GGG
Graco Inc.
Buy
+5,625
Q3 2015
GNTX
Gentex Corporation
Buy
+56,450
Q3 2015
GRMN
Garmin
Buy
+17,450
Q3 2015
INTU
Intuit Inc.
Sell
-42,840
Q3 2015
IRBT
iRobot Corporation
Buy
+4,550
Q3 2015
ISRG
Intuitive Surgical, Inc.
Buy
+1,445
Q3 2015
IWP
iShares Russell Midcap Growth E
Buy
+2,095
Q3 2015
JBLU
JetBlue Airways Corporation
Sell
-10,413
Q3 2015
LLFLQ
LL Flooring Holdings, Inc.
Buy
+3,975
Q3 2015
LSTR
Landstar System, Inc.
Buy
+11,965
Q3 2015
MCHP
Microchip Technology Incorporat
Buy
+11,400
Q3 2015
MIDD
The Middleby Corporation
Buy
+6,785
Q3 2015
MRCY
Mercury Systems Inc
Buy
+2,575
Q3 2015
MTLS
Materialise NV
Buy - Position Entry
+725,025
Q3 2015
MYGN
Myriad Genetics, Inc.
Buy
+15,700
Page 1 of 2