Ribbon Communications Inc. - Common Stock (RBBN)

CUSIP: 762544104

Q4 2017 13F Holders as of 31 Dec 2017

Type / Class
Equity / Common Stock
Shares outstanding
174,964,000
Total 13F shares
86,046,038
Share change
+85,947,056
Total reported value
$665,259,937
Price per share
$7.73
Number of holders
118
Value change
+$664,493,937
Number of buys
115

Quarterly Holders Quick Answers

What is CUSIP 762544104?
CUSIP 762544104 identifies RBBN - Ribbon Communications Inc. - Common Stock in SEC institutional holdings data.

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Open the full security ownership history page.

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

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
No top shareholder records were found across 13F, 13D/G, and Forms 3/4/5 for this issuer.

Institutional Holders of Ribbon Communications Inc. - Common Stock (RBBN) as of Q4 2017

As of 31 Dec 2017, Ribbon Communications Inc. - Common Stock (RBBN) was held by 118 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 86,046,038 shares. The largest 10 holders included JPMORGAN CHASE & CO, FIRST TRUST ADVISORS LP, Vanguard Group Inc, BlackRock Inc., DIMENSIONAL FUND ADVISORS LP, Neuberger Berman Group LLC, RENAISSANCE TECHNOLOGIES LLC, Capital Research Global Investors, CENTRAL SECURITIES CORP, and D. E. Shaw & Co., Inc.. This page lists 118 institutional shareholders reporting positions in this security for the Q4 2017 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2017 vs Q4 2025 Across Filers

Q4 2025 holders
151
Q4 2017 holders
118
Holder diff
-33
Investor Q4 2025 Shares Q4 2017 Shares Share Diff Share Chg % Q4 2025 Value $ Q4 2017 Value $ Value Diff $ Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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