Ribbon Communications Inc. - Common Stock (RBBN)

CUSIP: 762544104

Q1 2021 13F Holders as of 31 Mar 2021

Holder snapshot 7 signals
Share change
-734,606
Put/Call ratio
552%
SEC-reported price per share
$8.21
Number of holders
137
Value change
-$5,449,138
Number of buys
71
Open additional details 1 more signal available
Number of sells
63
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
174,964,000

Security key

762544104

Report period

Q1 2021

Institutions

137

Top holders

10

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
JPMORGAN CHASE & CO
Disclosed value leader
JPMORGAN CHASE & CO
Comparable rows
15/15
Latest evidence
31 Dec 2020
13F Lead comparable stake: 29% Showing 1-6 of 15 holder rows.

Quick read

JPMORGAN CHASE & CO leads the comparable SEC ownership view at 29%.

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 JPMORGAN CHASE & CO's linked filing trail.
Comparable ownership Top 5
JPMORGAN CHASE & CO 29%
PARADIGM CAPITAL MANAGEMENT INC/NY 4.8%
BlackRock Finance, Inc. 3.5%
VANGUARD GROUP INC 2.2%
DIMENSIONAL FUND ADVISORS LP 2.2%

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
JPMORGAN CHASE & CO
13F
Company
13F
29%
$329,703,000
50,259,493 shares
31 Dec 2020
PARADIGM CAPITAL MANAGEMENT INC/NY
13F
Company
13F
4.8%
$54,985,000
8,381,800 shares
31 Dec 2020
BlackRock Finance, Inc.
13F
Company
13F
3.5%
$40,119,000
6,115,731 shares
31 Dec 2020
VANGUARD GROUP INC
13F
Company
13F
2.2%
$25,771,000
3,928,389 shares
31 Dec 2020
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
2.2%
$24,984,000
3,808,667 shares
31 Dec 2020
Neuberger Berman Group LLC
13F
Company
13F
1.9%
$21,834,000
3,343,644 shares
31 Dec 2020
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 Q1 2021

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

Institutions
137
Shares
98,033,091
Rows available
137
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 Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders
121
Q1 2021 holders
137
Holder diff
16
Investor Q4 2020 Shares Q1 2021 Shares Share Diff Share Chg % Q4 2020 value Q1 2021 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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