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Equibles

FIRST WILSHIRE SECURITIES MANAGEMENT INC

Broker-Dealer

Position in RBBN — Ribbon Communications Inc.

CIK 732847 PASADENA, CA
Back to RBBN Full portfolio

Position in RBBN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$3,286,513
+$303,296 QoQ
Shares Held
1,404,493
-0.2% QoQ
Ownership
0.785%
of shares outstanding
% of Portfolio
0.90%
of 13F equity value
Holder Rank
#15
of 161 holders
Holding Since
Dec 2021
19 quarters on record
Voting authority Sole 96% Shared 0% None 4%

Common Shares in RBBN Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Jun 30, 2026

FIRST WILSHIRE SECURITIES MANAGEMENT INC holds $3,286,513 across 1 Software - Application name. RBBN ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 RBBN
Ribbon Communications Inc.
This page 		1,404,493 $3,286,513

All Filings in RBBN

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19 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,286,513 1,404,493
2026-03-31 $2,983,217 1,407,178
2025-12-31 $3,650,647 1,267,586
2025-09-30 $4,960,360 1,305,358
2025-06-30 $5,338,112 1,331,200
2025-03-31 $5,241,878 1,337,214
2024-12-31 $5,551,407 1,334,473
2024-09-30 $3,801,638 1,169,735
2024-06-30 $3,848,263 1,169,685
2024-03-31 $3,757,936 1,174,355
2023-12-31 $3,420,109 1,179,348
2023-09-30 $4,727,444 1,763,972
2023-06-30 $5,043,909 1,807,853
2023-03-31 $6,103,273 1,784,583
2022-12-31 $4,975,270 1,783,251
2022-09-30 $4,060,681 1,829,136
2022-06-30 $4,393,392 1,445,195
2022-03-31 $4,497,077 1,455,365
2021-12-31 $2,613,091 431,916