Ribbon Communications Inc. (RBBN) Institutional Ownership & Insider Trading

160 institutions reported holding Ribbon Communications Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 3 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

RBBNRibbon Communications Inc.Follow RBBN — free

Software - Application · Technology

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Market cap: 250.4M
P/E TTM: —
Dividend yield: —
52-week: —
Next earnings: 27 Oct, in 3 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

160 institutions held 71.8% of the shares. Across filers that reported both quarters, shares held changed -0.7%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	160	128	-0.7%	61	21	36	9
Mar 26	149	129	-0.7%	43	30	37	31
Dec 25	150	130	-28.0%	53	20	43	24
Sep 25	149	180	+40.6%	39	22	41	14
Jun 25	143	128	+0.3%	52	19	31	17
Mar 25	142	127	+1.1%	34	26	39	14
Dec 24	130	126	-28.8%	44	12	31	12
Sep 24	125	125	+0.5%	36	5	36	9

Ribbon Communications Inc. — questions

Who owns Ribbon Communications Inc. stock?: 160 institutions reported Ribbon Communications Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: JPMORGAN CHASE & CO (29.1%), NEUBERGER BERMAN GROUP LLC (10.2%), BlackRock, Inc. (4.0%).
Are Ribbon Communications Inc. insiders buying or selling?: 3 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Ribbon Communications Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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