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RHUMBLINE ADVISERS

Position in RBBN — Ribbon Communications Inc.

CIK 1115418 BOSTON, MA

Position in RBBN

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$272,218
-$97,248 QoQ
Shares Held
128,405
+0.1% QoQ
Ownership
0.073%
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 28.980958685409448.ToString("F0")% Shared 0.ToString("F0")% None 71.01904131459055.ToString("F0")%

Common Shares in RBBN Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $2,582,528,666 across 144 Software - Application names. RBBN ranks #97 (0.0% 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 $272,218 128,405
2025-12-31 $369,466 128,287
2025-09-30 $614,897 161,815
2025-06-30 $708,133 176,592
2025-03-31 $600,477 153,183
2024-12-31 $647,687 155,694
2024-09-30 $460,538 141,704
2024-06-30 $502,116 152,619
2024-03-31 $467,043 145,951
2023-12-31 $409,271 141,128
2023-09-30 $422,078 157,492
2023-06-30 $449,728 161,193
2023-03-31 $399,257 116,742
2022-12-31 $314,539 112,738
2022-09-30 $249,403 112,344
2022-06-30 $315,977 103,940
2022-03-31 $271,706 87,931
2021-12-31 $589,983 97,518
2021-09-30 $587,965 98,322
2021-06-30 $722,919 94,996
2021-03-31 $858,971 104,625
2020-12-31 $727,536 110,905
2020-09-30 $374,020 96,646
2020-06-30 $433,125 110,210
2020-03-31 $282,856 93,352