Alambic Investment Management, L.P. - RIBBON COMMUNICATIONS INC ownership

RIBBON COMMUNICATIONS INC's ticker is RBBN and the CUSIP is 762544104. A total of 116 filers reported holding RIBBON COMMUNICATIONS INC in Q1 2020. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
Alambic Investment Management, L.P. ownership history of RIBBON COMMUNICATIONS INC
ValueSharesWeighting
Q4 2019$41,000
-92.8%
13,100
-88.2%
0.03%
-85.5%
Q1 2019$570,000
-82.0%
110,700
-82.2%
0.23%
-47.1%
Q1 2018$3,174,000
-19.9%
622,368
+21.4%
0.44%
-7.3%
Q4 2017$3,962,000512,5750.48%
Other shareholders
RIBBON COMMUNICATIONS INC shareholders Q1 2020
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