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AMERICAN CENTURY COMPANIES INC

Position in RBBN — Ribbon Communications Inc.

CIK 748054 KANSAS CITY, MO

Position in RBBN

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$493,917
+$43,708 QoQ
Shares Held
211,076
-0.6% QoQ
Ownership
0.118%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#35
of 161 holders
Holding Since
Mar 2023
14 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in RBBN Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Jun 30, 2026

AMERICAN CENTURY COMPANIES INC holds $5,115,680,794 across 97 Software - Application names. RBBN ranks #73 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RBBN

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14 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $493,917 211,076
2026-03-31 $450,209 212,363
2025-12-31 $616,164 213,946
2025-09-30 $790,787 208,102
2025-06-30 $738,028 184,047
2025-03-31 $573,009 146,176
2024-12-31 $412,975 99,273
2024-09-30 $317,018 97,544
2024-06-30 $321,492 97,718
2024-03-31 $306,419 95,756
2023-12-31 $125,848 43,396
2023-09-30 $105,841 39,493
2023-06-30 $94,885 34,009
2023-03-31 $46,183 13,504