OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) - SONUS NETWORKS INC ownership

SONUS NETWORKS INC's ticker is SONSXXXX and the CUSIP is 835916107. A total of 149 filers reported holding SONUS NETWORKS INC in Q1 2014. The put-call ratio across all filers is 1.73 and the average weighting 0.2%.

Quarter-by-quarter ownership
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) ownership history of SONUS NETWORKS INC
ValueSharesWeighting
Q3 2014$1,312,000,000
-22.1%
383,599
-23.3%
0.02%
-28.1%
Q1 2014$1,685,000,000500,0000.03%
Other shareholders
SONUS NETWORKS INC shareholders Q1 2014
NameSharesValueWeighting ↓
Empire Capital Management, L.L.C. 22,000,000$78,980,00014.12%
Archon Capital Management LLC 3,085,034$11,075,0003.72%
CENTRAL SECURITIES CORP 3,000,000$10,770,0002.23%
HARBER ASSET MANAGEMENT LLC 490,361$1,760,0002.03%
BRIGHTFIELD CAPITAL MANAGEMENT LLC 451,800$1,622,0002.01%
IRONWOOD INVESTMENT MANAGEMENT LLC 2,066,773$7,420,0001.18%
Walthausen & Co., LLC 4,036,850$14,492,0001.06%
Grandeur Peak Global Advisors, LLC 1,001,100$3,594,0000.78%
BTG Pactual Global Asset Management Ltd 1,333,750$4,789,0000.67%
Hilltop Park Associates LLC 150,000$539,0000.52%
View complete list of SONUS NETWORKS INC shareholders