Campbell & CO Investment Adviser LLC - GEOSPACE TECHNOLOGIES CORP ownership

GEOSPACE TECHNOLOGIES CORP's ticker is GEOS and the CUSIP is 37364X109. A total of 152 filers reported holding GEOSPACE TECHNOLOGIES CORP in Q2 2013. The put-call ratio across all filers is 0.87 and the average weighting 0.2%.

Quarter-by-quarter ownership
Campbell & CO Investment Adviser LLC ownership history of GEOSPACE TECHNOLOGIES CORP
ValueSharesWeighting
Q1 2015$310,000
+38.4%
18,773
+122.1%
0.20%
+41.3%
Q4 2014$224,000
-92.9%
8,452
-81.4%
0.14%
-77.3%
Q2 2013$3,147,00045,5590.61%
Other shareholders
GEOSPACE TECHNOLOGIES CORP shareholders Q2 2013
NameSharesValueWeighting ↓
RUTABAGA CAPITAL MANAGEMENT LLC/MA 871,278$4,130,0003.30%
Tieton Capital Management, LLC 542,990$2,574,0001.78%
Moors & Cabot, Inc. 598,025$2,835,0000.20%
DISCIPLINED GROWTH INVESTORS INC /MN 1,509,294$7,154,0000.19%
IRONWOOD INVESTMENT MANAGEMENT LLC 42,028$199,0000.13%
HEARTLAND ADVISORS INC 300,000$1,422,0000.10%
ESSEX INVESTMENT MANAGEMENT CO LLC 94,434$448,0000.07%
Marquette Asset Management, LLC 46,895$222,0000.06%
Mraz, Amerine & Associates, Inc. 24,370$116,0000.03%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 252,100$1,195,0000.03%
View complete list of GEOSPACE TECHNOLOGIES CORP shareholders