BLAIR WILLIAM & CO/IL - RIBBON COMMUNICATIONS INC ownership

RIBBON COMMUNICATIONS INC's ticker is RBBN and the CUSIP is 762544104. A total of 117 filers reported holding RIBBON COMMUNICATIONS INC in Q1 2019. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
BLAIR WILLIAM & CO/IL ownership history of RIBBON COMMUNICATIONS INC
ValueSharesWeighting
Q2 2019$195,000
-8.5%
39,928
-3.2%
0.00%0.0%
Q1 2019$213,000
+4.4%
41,264
-2.4%
0.00%0.0%
Q4 2018$204,000
-35.8%
42,264
-9.3%
0.00%
-50.0%
Q3 2018$318,000
-4.2%
46,6230.0%0.00%0.0%
Q2 2018$332,000
+16.9%
46,623
-16.3%
0.00%0.0%
Q1 2018$284,000
-27.7%
55,688
+9.6%
0.00%
-33.3%
Q4 2017$393,00050,7940.00%
Other shareholders
RIBBON COMMUNICATIONS INC shareholders Q1 2019
NameSharesValueWeighting ↓
VIEX Capital Advisors, LLC 405,094$2,086,0001.85%
Horrell Capital Management, Inc. 700,000$3,605,0001.84%
Millrace Asset Group, Inc. 390,077$2,009,0001.70%
Engine Capital Management, LP 439,516$2,264,0001.48%
PARADIGM CAPITAL MANAGEMENT INC/NY 2,800,700$14,424,0001.27%
CENTRAL SECURITIES CORP 1,387,100$7,144,0001.13%
OAK MANAGEMENT CORP 533,246$2,746,0001.06%
Cowen Prime Services LLC 300,083$1,545,0000.80%
Meridian Wealth Advisors, LLC 89,866$463,0000.34%
Pacific Ridge Capital Partners, LLC 228,540$1,177,0000.32%
View complete list of RIBBON COMMUNICATIONS INC shareholders