Who Owns RIBBON COMMUNICATIONS INC (RBBN)? -- Institutional Holders (2026-06-30)

170 institutions reported holding $292.1M of RIBBON COMMUNICATIONS INC (RBBN) in SEC 13F filings for 2026-06-30. Largest institutional holders: JPMORGAN CHASE & CO ($115.5M), NEUBERGER BERMAN GROUP LLC ($38.7M), VANGUARD GROUP INC ($19.1M), BlackRock, Inc. ($16.7M), DIMENSIONAL FUND ADVISORS LP ($14.7M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	JPMORGAN CHASE & CO	$115.5M	52.0M	Trimmed
2	NEUBERGER BERMAN GROUP LLC	$38.7M	18.3M	Added
3	VANGUARD GROUP INC	$19.1M	8.2M	Trimmed
4	BlackRock, Inc.	$16.7M	7.1M	Added
5	DIMENSIONAL FUND ADVISORS LP	$14.7M	6.3M	Trimmed
6	ROYCE & ASSOCIATES LP	$11.9M	5.1M	Added
7	PARADIGM CAPITAL MANAGEMENT INC/NY	$7.1M	3.0M	Trimmed
8	GEODE CAPITAL MANAGEMENT, LLC	$5.8M	2.5M	Added
9	Connor, Clark & Lunn Investment Management Ltd.	$5.2M	2.2M	Added
10	STATE STREET CORP	$4.5M	1.9M	Added
11	D. E. Shaw & Co., Inc.	$4.2M	1.8M	Added
12	ACADIAN ASSET MANAGEMENT LLC	$4.1M	1.8M	Added
13	AQR CAPITAL MANAGEMENT LLC	$3.3M	1.4M	Added
14	FIRST WILSHIRE SECURITIES MANAGEMENT INC	$3.3M	1.4M	Trimmed
15	CITADEL ADVISORS LLC	$3.0M	1.3M	Added
16	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	$2.8M	1.2M	Trimmed
17	MARSHALL WACE, LLP	$1.9M	814,132	Added
18	Sixth Street Partners Management Company, L.P.	$1.9M	800,159	New
19	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	$1.9M	800,159	Added
20	NORTHERN TRUST CORP	$1.8M	749,823	Added
21	MILLENNIUM MANAGEMENT LLC	$1.6M	698,458	Added
22	JACOBS LEVY EQUITY MANAGEMENT, INC	$1.4M	582,093	Trimmed
23	VICTORY CAPITAL MANAGEMENT INC	$1.1M	456,421	Added
24	Silverberg Bernstein Capital Management LLC	$980,046	418,823	Trimmed
25	GOLDMAN SACHS GROUP INC	$972,106	415,430	Trimmed

Source: SEC Form 13F filings · as of 2026-06-30