COMMONWEALTH EQUITY SERVICES, LLC RBBN RIBBON COMMUNICATIONS INC

Ownership history in COMMONWEALTH EQUITY SERVICES, LLC  ·  7 quarters on record

AI Ownership Summary

COMMONWEALTH EQUITY SERVICES, LLC reported RIBBON COMMUNICATIONS INC (RBBN) in 7 quarterly 13F filings from 2023 Q4 through 2026 Q1. The latest visible filing shows RBBN at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this RBBN ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was COMMONWEALTH EQUITY SERVICES, LLC's position in RIBBON COMMUNICATIONS INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

RBBN was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2025 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How COMMONWEALTH EQUITY SERVICES, LLC held RBBN — position size vs. price
% of Fund (quarterly)    RBBN price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 6 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED 284,723 -21 -0.0% 0.00% $604K 2026-04-27 $2.66
2025 Q4 REDUCED 284,744 -1,000 -0.3% 0.00% $820K 2026-02-12 $1.95
2025 Q3 REDUCED 285,744 -4,532 -1.6% 0.00% $1.1M 2025-10-22 $4.00
2025 Q2 ADDED 290,276 +1,000 +0.3% 0.00% $1.2M 2025-08-06 $3.79
2025 Q1 ADDED 289,276 +242,126 +513.5% 0.00% $1.1M 2025-05-09 $3.15
2023 Q4 ADDED 47,150 +35,986 +322.3% 0.00% $137K 2024-02-06 $3.09
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About COMMONWEALTH EQUITY SERVICES, LLC and RBBN

These are the practical questions this page is built to answer before you even open the full history table.

How long has COMMONWEALTH EQUITY SERVICES, LLC reported owning RBBN?

COMMONWEALTH EQUITY SERVICES, LLC reported RBBN across 6 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported RBBN position in COMMONWEALTH EQUITY SERVICES, LLC's portfolio?

The largest reported portfolio weight for RBBN was 0.00% in 2025 Q1.

What is the latest reported RBBN position on this page?

The most recent filing on this page is 2026 Q1, when COMMONWEALTH EQUITY SERVICES, LLC reported 284,723 shares, equal to 0.00% of portfolio, with an estimated market value of $604K.

What does the chart on this RBBN ownership page compare?

The chart compares COMMONWEALTH EQUITY SERVICES, LLC's quarterly RBBN portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did COMMONWEALTH EQUITY SERVICES, LLC time their RBBN position?

Based on 13F filing dates vs. subsequent RBBN price moves, COMMONWEALTH EQUITY SERVICES, LLC correctly timed 4 out of 6 reported position changes (67%). The annualised alpha on RBBN relative to SPY over the holding period was -56.6%.

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