CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM - 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
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ownership history of GEOSPACE TECHNOLOGIES CORP
ValueSharesWeighting
Q1 2020$132,000
-61.4%
20,605
+1.2%
0.00%
-100.0%
Q4 2019$342,000
+9.3%
20,3690.0%0.00%0.0%
Q3 2019$313,000
+1.6%
20,3690.0%0.00%0.0%
Q2 2019$308,000
+54.0%
20,369
+0.5%
0.00%
Q1 2018$200,000
-25.4%
20,266
-1.8%
0.00%
-100.0%
Q4 2017$268,000
-27.2%
20,6450.0%0.00%0.0%
Q3 2017$368,000
+14.6%
20,645
-11.1%
0.00%0.0%
Q2 2017$321,000
-24.6%
23,221
-11.4%
0.00%0.0%
Q1 2017$426,000
-22.3%
26,221
-2.6%
0.00%0.0%
Q4 2016$548,000
+1.9%
26,921
-2.5%
0.00%0.0%
Q3 2016$538,000
+19.8%
27,621
+0.7%
0.00%0.0%
Q2 2016$449,000
+29.0%
27,421
-2.8%
0.00%0.0%
Q1 2016$348,000
+1.5%
28,221
+15.7%
0.00%0.0%
Q4 2015$343,000
+3.9%
24,399
+2.1%
0.00%0.0%
Q3 2015$330,000
-40.3%
23,890
-0.4%
0.00%0.0%
Q2 2015$553,000
+40.4%
23,990
+0.6%
0.00%0.0%
Q1 2015$394,000
-38.9%
23,857
-2.1%
0.00%
-50.0%
Q4 2014$645,000
-24.3%
24,357
+0.4%
0.00%0.0%
Q3 2014$852,000
-35.6%
24,253
+1.0%
0.00%
-33.3%
Q2 2014$1,323,000
-15.0%
24,015
+2.1%
0.00%
-25.0%
Q1 2014$1,556,000
-29.9%
23,515
+0.4%
0.00%
-33.3%
Q4 2013$2,220,000
+13.4%
23,415
+0.9%
0.01%0.0%
Q3 2013$1,957,000
+25.9%
23,215
+3.2%
0.01%
+20.0%
Q2 2013$1,554,000
-34.9%
22,498
+1.7%
0.01%
-37.5%
Q1 2013$2,387,00022,1200.01%
Other shareholders
GEOSPACE TECHNOLOGIES CORP shareholders Q4 2015
NameSharesValueWeighting ↓
Tieton Capital Management, LLC 147,852$1,824,0001.74%
PERKINS CAPITAL MANAGEMENT INC 27,150$335,0000.42%
Diversified Investment Strategies, LLC 60,300$744,0000.39%
Brown Capital Management 1,580,419$19,502,0000.32%
AMICA MUTUAL INSURANCE CO 217,010$2,678,0000.25%
Amica Retiree Medical Trust 20,797$257,0000.22%
AMICA PENSION FUND BOARD OF TRUSTEES 136,280$1,682,0000.22%
West Coast Financial LLC 38,109$470,0000.19%
WEATHERBIE CAPITAL, LLC 97,227$1,200,0000.16%
DISCIPLINED GROWTH INVESTORS INC /MN 482,350$5,952,0000.15%
View complete list of GEOSPACE TECHNOLOGIES CORP shareholders