Who Owns RBBN?
Ribbon Communications Inc. — Institutional Ownership & 13F Holdings
$2.65
-0.13 (-4.50%)
Market Cap
$488.2M
Shares Outstanding
175,605,000
Institutional Holders
143
Total Inst. Value
$489.0M
% of Float Held
89.2%
QoQ Holder Change
+30
Institutional data as of Q1 2025
New Positions
34
Closed Positions
17
Increased
42
Decreased
47
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | JPMORGAN CHASE & CO | $204.0M | 52,038,874 |
| 2 | Neuberger Berman Group LLC | $67.5M | 18,311,527 |
| 3 | PARADIGM CAPITAL MANAGEMENT INC/NY | $37.3M | 9,511,200 |
| 4 | BlackRock, Inc. | $30.5M | 7,788,905 |
| 5 | VANGUARD GROUP INC | $29.2M | 7,457,467 |
| 6 | DIMENSIONAL FUND ADVISORS LP | $25.0M | 6,373,335 |
| 7 | ROYCE & ASSOCIATES LP | $12.1M | 3,092,068 |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $8.4M | 2,133,854 |
| 9 | STATE STREET CORP | $7.8M | 2,002,617 |
| 10 | FIRST WILSHIRE SECURITIES MANAGEMENT INC | $5.2M | 1,337,214 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| JPMORGAN CHASE & CO | +1K | $204.0M |
| VANGUARD GROUP INC | +55K | $29.2M |
| DIMENSIONAL FUND ADVISORS LP | +59K | $25.0M |
| ROYCE & ASSOCIATES LP | +289K | $12.1M |
| GEODE CAPITAL MANAGEMENT, LLC | +38K | $8.4M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| PARADIGM CAPITAL MANAGEMENT INC/NY | -627K | $37.3M |
| UBS Group AG | -300K | $797K |
| HERALD INVESTMENT MANAGEMENT Ltd | -211K | $3.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | -191K | $1.1M |
| Neuberger Berman Group LLC | -152K | $67.5M |
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Frequently Asked Questions
How many institutional investors hold RBBN?
As of Q1 2025, 143 institutional investors report holding RBBN (Ribbon Communications Inc.) in their 13F filings.
What percentage of Ribbon Communications Inc. is owned by institutions?
Institutional investors hold approximately 89.2% of Ribbon Communications Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most RBBN?
The largest institutional holder of RBBN is JPMORGAN CHASE & CO with $204.0M in shares.
Are institutions buying or selling RBBN?
This quarter, 34 institutions opened new positions in RBBN and 17 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.