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SEI INVESTMENTS CO

Position in RBBN — Ribbon Communications Inc.

CIK 350894 OAKS, PA

Position in RBBN

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$173,216
-$230,119 QoQ
Shares Held
81,706
-41.7% QoQ
Ownership
0.046%
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 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in RBBN Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Mar 31, 2026

SEI INVESTMENTS CO holds $2,256,254,232 across 124 Software - Application names. RBBN ranks #111 (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 $173,216 81,706
2025-12-31 $403,335 140,047
2025-09-30 $365,833 96,272
2025-06-30 $379,967 94,755
2025-03-31 $376,201 95,970
2024-12-31 $333,173 80,090
2024-09-30 $261,192 80,367
2024-06-30 $256,158 77,860
2024-03-31 $242,021 75,632
2023-12-31 $176,322 60,801
2023-09-30 $200,616 74,857
2023-06-30 $149,973 53,754
2023-03-31 $88,673 25,928
2022-12-31 $57,354 20,557
2022-09-30 $49,335 22,223
2022-06-30 $73,941 24,323
2022-03-31 $71,249 23,058
2021-12-31 $114,466 18,920
2021-09-30 $95,829 16,025
2021-06-30 $119,073 15,647
2021-03-31 $98,043 11,942
2020-12-31 $78,339 11,942
2020-09-30 $55,882 14,440
2020-06-30 $77,616 19,750
2020-03-31 $58,523 19,315