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DIMENSIONAL FUND ADVISORS LP

Position in RBBN — Ribbon Communications Inc.

CIK 354204 AUSTIN, TX

Position in RBBN

as of Mar 31, 2026 · filed May 7, 2026
Position Value
$13,464,351
-$5,184,007 QoQ
Shares Held
6,351,110
-1.9% QoQ
Ownership
3.61%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 94.09662248016488.ToString("F0")% Shared 3.049955047227965.ToString("F0")% None 2.8534224726071504.ToString("F0")%

Common Shares in RBBN Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Mar 31, 2026

DIMENSIONAL FUND ADVISORS LP holds $7,507,646,700 across 119 Software - Application names. RBBN ranks #67 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RBBN

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $13,464,351 6,351,110
2025-12-31 $18,648,358 6,475,125
2025-09-30 $24,873,030 6,545,535
2025-06-30 $26,326,314 6,565,166
2025-03-31 $24,983,471 6,373,335
2024-12-31 $26,269,021 6,314,669
2024-09-30 $19,541,046 6,012,630
2024-06-30 $19,014,276 5,779,416
2024-03-31 $17,627,018 5,508,444
2023-12-31 $14,951,148 5,155,569
2023-09-30 $13,191,141 4,922,068
2023-06-30 $12,702,787 4,552,971
2023-03-31 $13,567,041 3,966,972
2022-12-31 $10,651,560 3,817,765
2022-09-30 $8,112,930 3,654,474
2022-06-30 $11,028,045 3,627,647
2022-03-31 $11,447,433 3,704,671
2021-12-31 $21,976,485 3,632,477
2021-09-30 $22,163,458 3,706,264
2021-06-30 $28,450,236 3,738,533
2021-03-31 $29,453,227 3,587,482
2020-12-31 $24,984,855 3,808,667
2020-09-30 $14,844,816 3,835,870
2020-06-30 $14,874,928 3,784,969
2020-03-31 $11,989,307 3,956,867