Granahan Investment Management - GEOSPACE TECHNOLOGIES CORP ownership

GEOSPACE TECHNOLOGIES CORP's ticker is GEOS and the CUSIP is 37364X109. A total of 100 filers reported holding GEOSPACE TECHNOLOGIES CORP in Q4 2015. The put-call ratio across all filers is 0.05 and the average weighting 0.0%.

Quarter-by-quarter ownership
Granahan Investment Management ownership history of GEOSPACE TECHNOLOGIES CORP
ValueSharesWeighting
Q3 2015$991,00071,7340.03%
Other shareholders
GEOSPACE TECHNOLOGIES CORP shareholders Q4 2015
NameSharesValueWeighting ↓
Tieton Capital Management, LLC 741,282$9,6006.05%
Acuitas Investments, LLC 227,071$2,940,5691.73%
Moors & Cabot, Inc. 738,475$9,563,2510.65%
DISCIPLINED GROWTH INVESTORS INC /MN 1,497,486$19,392,4440.46%
EAM Investors, LLC 136,631$1,769,3710.34%
IRONWOOD INVESTMENT MANAGEMENT LLC 38,575$499,5460.30%
PERRITT CAPITAL MANAGEMENT INC 40,000$518,0000.30%
Cox Capital Mgt LLC 28,060$363,3770.26%
ESSEX INVESTMENT MANAGEMENT CO LLC 88,157$1,141,6330.19%
Marquette Asset Management, LLC 47,003$608,6890.14%
View complete list of GEOSPACE TECHNOLOGIES CORP shareholders