Ribbon Communications Inc. - Common Stock (RBBN)

CUSIP: 762544104

Q2 2025 13F Holders as of 30 Jun 2025

Security type / class
Equity / Common Stock
Total 13F shares
128,120,242
Total 13F value
$508,960,472
Holder snapshot 6 visible 7 signals
Share change
+737,669
Put/Call ratio
0%
SEC-reported price per share
$4.01
Number of holders
143
Value change
+$3,024,776
Number of buys
81
Open additional details 1 more signal available
Number of sells
53
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
174,964,000

Security key

762544104

Report period

Q2 2025

Institutions

143

Top holders

10

RBBN full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2025 Previous quarter: Q1 2025 Ribbon Communications Inc. SEC filings Ribbon Communications Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of RBBN - Ribbon Communications Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
PARADIGM CAPITAL MANAGEME...
Disclosed value leader
JPMORGAN CHASE & CO
Comparable rows
15/15
Latest evidence
31 Mar 2025
13F 13D/G 3/4/5 Lead comparable stake: 5% 13D/G row: PARADIGM CAPITAL MANAGEMENT INC/NY Showing 1-6 of 15 holder rows.

Quick read

PARADIGM CAPITAL MANAGEMENT INC/NY leads the comparable SEC ownership view at 5%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens PARADIGM CAPITAL MANAGEMENT INC/NY's linked filing trail.
Comparable ownership Top 5
PARADIGM CAPITAL MANAGEMENT INC/NY 5%
JPMORGAN CHASE & CO 30%
Neuberger Berman Group LLC 10%
BlackRock, Inc. 4.5%
VANGUARD GROUP INC 4.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
PARADIGM CAPITAL MANAGEMENT INC/NY
13F 13D/G
Company
13F 13D/G
5%
from 13D/G
$37,283,904
9,511,200 shares
 — 31 Mar 2025
JPMORGAN CHASE & CO
13F 3/4/5
Company · 10%+ Owner
13F 3/4/5
30%
$203,992,387
52,038,874 shares
 — 31 Mar 2025
Neuberger Berman Group LLC
13F
Company
13F
10%
$67,537,184
18,311,527 shares
 — 31 Mar 2025
BlackRock, Inc.
13F
Company
13F
4.5%
$30,532,508
7,788,905 shares
 — 31 Mar 2025
VANGUARD GROUP INC
13F
Company
13F
4.3%
$29,233,272
7,457,467 shares
 — 31 Mar 2025
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
3.6%
$24,984,504
6,373,335 shares
 — 31 Mar 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
143
Shares
128,120,242
Rows available
143
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
143
Q2 2025 holders
143
Holder diff
0
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 value Q2 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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