SEC 13F Intelligence

Paradigm Capital Management Inc/Ny / RBBN

Paradigm Capital Management Inc/Ny’s Ribbon Communications Inc Position

Does Paradigm Capital Management Inc/Ny own Ribbon Communications Inc (RBBN)? Yes — 8.04M shares worth $17M (+0.65% of its 13F portfolio) as of Q1 2026, down from 8.32M shares the prior filed quarter.

Position Value
$17M
Q1 2026
Shares
8.04M
% of Portfolio
+0.65%
Quarters Held
30
currently held

Position History RBBN

Reported value by quarter
Q4 ’18: $11MQ4 ’18Q1 ’19: $14MQ2 ’19: $16MQ3 ’19: $21MQ4 ’19: $19MQ4 ’19Q1 ’20: $19MQ2 ’20: $29MQ3 ’20: $32MQ4 ’20: $55MQ4 ’20Q1 ’21: $67MQ2 ’21: $64MQ3 ’21: $51MQ4 ’21: $51MQ4 ’21Q1 ’22: $26MQ2 ’22: $31MQ3 ’22: $23MQ4 ’22: $18MQ4 ’22Q1 ’23: $23MQ2 ’23: $20MQ3 ’23: $20MQ4 ’23: $26MQ4 ’23Q1 ’24: $32MQ2 ’24: $35MQ3 ’24: $34MQ4 ’24: $42MQ4 ’24Q1 ’25: $37MQ2 ’25: $35MQ3 ’25: $33MQ4 ’25: $24MQ4 ’25Q1 ’26: $17Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 20268.04M$17M+0.65%
Q4 20258.32M$24M+1.01%
Q3 20258.75M$33M+1.44%
Q2 20258.75M$35M+1.71%
Q1 20259.51M$37M+2.07%
Q4 202410.14M$42M+1.95%
Q3 202410.59M$34M+1.53%
Q2 202410.55M$35M+1.58%
Q1 202410.13M$32M+1.55%
Q4 20239.05M$26M+1.37%
Q3 20237.50M$20M+1.15%
Q2 20237.02M$20M+1.12%
Q1 20236.68M$23M+1.51%
Q4 20226.58M$18M+1.21%
Q3 202210.39M$23M+1.66%
Q2 202210.31M$31M+2.13%
Q1 20228.48M$26M+1.42%
Q4 20218.48M$51M+2.29%
Q3 20218.49M$51M+2.61%
Q2 20218.42M$64M+3.08%
Q1 20218.16M$67M+3.47%
Q4 20208.38M$55M+3.29%
Q3 20208.32M$32M+2.71%
Q2 20207.36M$29M+2.65%
Q1 20206.11M$19M+2.24%
Q4 20196.10M$19M+1.46%
Q3 20193.55M$21M+1.85%
Q2 20193.26M$16M+1.46%
Q1 20192.80M$14M+1.27%
Q4 20182.22M$11M+1.05%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Paradigm Capital Management Inc/Ny’s full portfolio or all institutional holders of RBBN.