Granahan Investment Management - GEOSPACE TECHNOLOGIES CORP ownership

GEOSPACE TECHNOLOGIES CORP's ticker is GEOS and the CUSIP is 37364X109. A total of 111 filers reported holding GEOSPACE TECHNOLOGIES CORP in Q3 2015. The put-call ratio across all filers is 1.73 and the average weighting 0.1%.

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 Q3 2015
NameSharesValueWeighting ↓
Tieton Capital Management, LLC 127,767$2,074,0001.80%
22NW, LP 113,693$1,845,0001.07%
PERKINS CAPITAL MANAGEMENT INC 32,433$526,0000.54%
Diversified Investment Strategies, LLC 30,000$487,0000.48%
Brown Capital Management 1,577,133$25,597,0000.34%
West Coast Financial LLC 42,088$683,0000.22%
Mraz, Amerine & Associates, Inc. 37,595$622,0000.19%
DISCIPLINED GROWTH INVESTORS INC /MN 502,950$8,163,0000.18%
EAGLE ASSET MANAGEMENT INC 663,576$10,769,0000.07%
AMICA PENSION FUND BOARD OF TRUSTEES 31,791$516,0000.06%
View complete list of GEOSPACE TECHNOLOGIES CORP shareholders