Boston Common Asset Management, LLC - TENARIS S A ownership

TENARIS S A's ticker is TS and the CUSIP is 88031M109. A total of 171 filers reported holding TENARIS S A in Q3 2013. The put-call ratio across all filers is 0.66 and the average weighting 0.3%.

Quarter-by-quarter ownership
Boston Common Asset Management, LLC ownership history of TENARIS S A
ValueSharesWeighting
Q2 2014$6,000
-53.8%
120
-59.3%
0.00%
-100.0%
Q1 2014$13,000
-51.9%
295
-48.7%
0.00%
-50.0%
Q3 2013$27,000
+17.4%
5750.0%0.00%
+100.0%
Q2 2013$23,0005750.00%
Other shareholders
TENARIS S A shareholders Q3 2013
NameSharesValueWeighting ↓
Westwood Global Investments, LLC 8,843,298$228,511,00014.17%
Prince Street Capital Management LLC 100,000$2,584,0006.42%
Pendal Group Ltd 20,312,907$327,410,0003.19%
Merewether Investment Management, LP 1,160,702$29,993,0003.01%
SIR Capital Management, L.P. 686,520$17,740,0002.99%
Energy Opportunities Capital Management, LLC 34,155$883,0002.84%
Concentric Capital Strategies, LP 147,733$3,817,0001.35%
Encompass Capital Advisors LLC 698,681$18,054,0000.91%
CastleArk Alternatives, LLC 3,730$96,0000.82%
Manatuck Hill Partners, LLC 60,000$1,550,0000.79%
View complete list of TENARIS S A shareholders