GSA CAPITAL PARTNERS LLP - SONUS NETWORKS INC ownership

SONUS NETWORKS INC's ticker is SONSXXXX and the CUSIP is 835916107. A total of 6 filers reported holding SONUS NETWORKS INC in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
GSA CAPITAL PARTNERS LLP ownership history of SONUS NETWORKS INC
ValueSharesWeighting
Q4 2014$719,000
+12.7%
181,040
-2.9%
0.05%
+47.1%
Q3 2014$638,000
+593.5%
186,458
+624.4%
0.03%
+750.0%
Q2 2014$92,000
-19.3%
25,740
-23.8%
0.00%
-50.0%
Q1 2014$114,00033,8010.01%
Other shareholders
SONUS NETWORKS INC shareholders Q1 2015
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