RHUMBLINE ADVISERS - SONUS NETWORKS INC ownership

SONUS NETWORKS INC's ticker is SONSXXXX and the CUSIP is 835916107. A total of 133 filers reported holding SONUS NETWORKS INC in Q4 2013. The put-call ratio across all filers is 2.21 and the average weighting 0.1%.

Quarter-by-quarter ownership
RHUMBLINE ADVISERS ownership history of SONUS NETWORKS INC
ValueSharesWeighting
Q3 2014$752,000
-4.8%
220,0180.0%0.00%0.0%
Q2 2014$790,000
-17.8%
220,018
-22.9%
0.00%
-33.3%
Q1 2014$961,0000.0%285,260
-6.5%
0.00%0.0%
Q4 2013$961,000
-13.1%
305,160
-6.7%
0.00%0.0%
Q3 2013$1,106,000
+12.9%
327,210
+0.5%
0.00%0.0%
Q2 2013$980,000325,4520.00%
Other shareholders
SONUS NETWORKS INC shareholders Q4 2013
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