A.R.T. Advisors, LLC - RIBBON COMMUNICATIONS INC ownership

RIBBON COMMUNICATIONS INC's ticker is RBBN and the CUSIP is 762544104. A total of 118 filers reported holding RIBBON COMMUNICATIONS INC in Q4 2018. The put-call ratio across all filers is 10.22 and the average weighting 0.1%.

Quarter-by-quarter ownership
A.R.T. Advisors, LLC ownership history of RIBBON COMMUNICATIONS INC
ValueSharesWeighting
Q1 2019$95,000
-55.0%
18,398
-57.9%
0.01%
-57.1%
Q4 2018$211,000
+59.8%
43,698
+124.6%
0.01%
+133.3%
Q3 2018$132,000
-83.6%
19,458
-81.3%
0.01%
-83.3%
Q4 2017$803,000103,9720.04%
Other shareholders
RIBBON COMMUNICATIONS INC shareholders Q4 2018
NameSharesValueWeighting ↓
FIRST WILSHIRE SECURITIES MANAGEMENT INC 1,763,972$4,7271.62%
PARADIGM CAPITAL MANAGEMENT INC/NY 7,495,400$20,087,6721.15%
Herald Investment Management Ltd 1,415,869$3,780,3700.80%
Intrinsic Edge Capital Management LLC 1,007,916$2,701,2150.30%
WHITE PINE CAPITAL LLC 280,690$752,2490.30%
Worth Venture Partners, LLC 67,588$181,1360.11%
Pacific Ridge Capital Partners, LLC 138,769$371,9010.09%
SG Capital Management LLC 83,661$224,2110.08%
Neuberger Berman Group LLC 18,885,772$66,072,6690.06%
ROYCE & ASSOCIATES LP 1,610,444$4,315,9900.04%
View complete list of RIBBON COMMUNICATIONS INC shareholders