OBERWEIS ASSET MANAGEMENT INC/ - OIL STS INTL INC ownership

OIL STS INTL INC's ticker is OIS and the CUSIP is 678026105. A total of 179 filers reported holding OIL STS INTL INC in Q4 2017. The put-call ratio across all filers is 0.30 and the average weighting 0.1%.

Quarter-by-quarter ownership
OBERWEIS ASSET MANAGEMENT INC/ ownership history of OIL STS INTL INC
ValueSharesWeighting
Q4 2018$253,000
-62.0%
17,750
-11.5%
0.06%
-55.8%
Q3 2018$666,000
-11.9%
20,050
-14.9%
0.13%
-32.1%
Q2 2018$756,000
-7.6%
23,550
-24.6%
0.19%
-11.6%
Q1 2018$818,000
-13.3%
31,239
-6.3%
0.22%
-2.7%
Q4 2017$944,00033,3490.22%
Other shareholders
OIL STS INTL INC shareholders Q4 2017
NameSharesValueWeighting ↓
Arosa Capital Management LP 303,000$11,281,0001.97%
Channing Capital Management, LLC 912,076$33,957,0001.51%
WILEN INVESTMENT MANAGEMENT CORP. 37,633$1,374,0000.92%
FIDUCIARY MANAGEMENT ASSOCIATES LLC 419,220$15,607,0000.92%
ADAMS NATURAL RESOURCES FUND, INC. 170,000$6,329,0000.89%
CoreCommodity Management, LLC 23,814$887,0000.73%
CRAMER ROSENTHAL MCGLYNN LLC 1,461,710$54,419,0000.67%
TAMRO Capital Partners LLC 198,544$7,392,0000.63%
AJO, LP 3,725,490$138,700,0000.59%
Vantage Investment Partners, LLC 50,340$1,874,0000.51%
View complete list of OIL STS INTL INC shareholders