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MARSHALL WACE, LLP

Position in RBBN — Ribbon Communications Inc.

CIK 1318757 LONDON, X0

Position in RBBN

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$1,905,068
+$273,121 QoQ
Shares Held
814,132
+5.8% QoQ
Ownership
0.455%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#18
of 161 holders
Holding Since
Mar 2021
7 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in RBBN Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Jun 30, 2026

MARSHALL WACE, LLP holds $3,174,677,604 across 109 Software - Application names. RBBN ranks #80 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RBBN

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7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,905,068 814,132
2026-03-31 $1,631,947 769,787
2025-12-31 $500,261 173,702
2025-09-30 $1,315,160 346,095
2022-06-30 $318,148 104,654
2022-03-31 $712,319 230,524
2021-03-31 $148,453 18,082