CENTRAL SECURITIES CORP - SONUS NETWORKS INC ownership

SONUS NETWORKS INC's ticker is SONSXXXX and the CUSIP is 835916107. A total of 136 filers reported holding SONUS NETWORKS INC in Q3 2013. The put-call ratio across all filers is 0.11 and the average weighting 0.1%.

Quarter-by-quarter ownership
CENTRAL SECURITIES CORP ownership history of SONUS NETWORKS INC
ValueSharesWeighting
Q2 2015$4,152,000
-12.2%
600,0000.0%0.93%
-17.4%
Q1 2015$4,728,000
-60.3%
600,000
-80.0%
1.13%
-56.2%
Q4 2014$11,910,000
+16.1%
3,000,0000.0%2.58%
+15.4%
Q3 2014$10,260,000
-4.7%
3,000,0000.0%2.23%
+0.1%
Q2 2014$10,770,000
+6.5%
3,000,0000.0%2.23%
+2.1%
Q1 2014$10,110,000
+7.0%
3,000,0000.0%2.19%
+7.0%
Q4 2013$9,450,000
-6.5%
3,000,0000.0%2.04%
-16.0%
Q3 2013$10,110,000
+12.0%
3,000,0000.0%2.43%
+2.8%
Q2 2013$9,030,0003,000,0002.37%
Other shareholders
SONUS NETWORKS INC shareholders Q3 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