RIBBON COMMUNICATIONS INC

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RBBN·762544104·US·Common Stock·Technology - Software - Application-13D/G

RBBN (RIBBON COMMUNICATIONS INC) is held by 97 institutional investors as of Q2 2026. Largest holders: JPMORGAN CHASE & CO ($115.5M), Neuberger Berman Group LLC ($38.7M), BlackRock, Inc. ($16.7M). Net institutional sentiment: Bullish.

97

Holders

(8 Elite)

$269.4M

Total Value

69% (86)

Consensus

59 buying - 27 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)74

Insider (Form 4)37

Activist (13D/13G)50

Congressional (STOCK Act)76

Holder Quality

13

★★★★★

Elite

33

★★★★

Strong

21

★★★

Solid

59

★★

Below

82

★

Weak

Held by 97 funds

8 elite

Who's Trading

Source dates: Price Sep 22, 2026 · Insiders Sep 8, 2025 · Activists Aug 14, 2025 · Congress none

InsiderRDRedington DanSell $57KSep 8, 2025

InsiderIVINFANTE BEATRIZ VSell $35KSep 5, 2025

InsiderRDRedington DanSell $626KSep 5, 2025

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Top Holders

Top Holders (97)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
JPMORGAN CHASE & CO	Decreased	52M	$115.5M	0.0%	-53.89%	0
Neuberger Berman Group LLC	Increased	18.3M(+5.5%)	$38.7M	0.0%	-38.73%	31
BlackRock, Inc.	Increased	7.1M(+6.3%)	$16.7M	0.0%	-54.86%	30
DIMENSIONAL FUND ADVISORS LP	Decreased	6.3M(-1.0%)	$14.7M	0.0%	-45.27%	0
ROYCE & ASSOCIATES LP	Increased	5.1M(+4.3%)	$11.9M	0.1%	-44.17%	29
VAVANGUARD CAPITAL MANAGEMENT LLC	Decreased	3.9M(-6.9%)	$9.2M	0.0%	-21.67%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	3.5M(+5.3%)	$8.2M	0.0%	-21.69%	29
GEODE CAPITAL MANAGEMENT, LLC	Increased	2.5M(+2.9%)	$5.8M	0.0%	-54.40%	28
Connor, Clark & Lunn Investment Management Ltd.	Increased	2.2M(+5.9%)	$5.2M	0.0%	-48.91%	29
STATE STREET CORP	Increased	1.9M(+1.1%)	$4.5M	0.0%	-39.58%	27
DED. E. Shaw & Co., Inc.	Increased	1.8M(+16.4%)	$4.2M	0.0%	-38.37%	31
AQR CAPITAL MANAGEMENT LLC	Increased	1.4M(+12.1%)	$3.3M	0.0%	-31.88%	30
CITADEL ADVISORS LLC	Increased	1.2M(+115.9%)	$2.9M	0.0%	-23.88%	42
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Decreased	1.2M(-0.1%)	$2.8M	0.0%	-47.18%	0
MWMARSHALL WACE, LLP	Increased	814,132(+5.8%)	$1.9M	0.0%	-30.76%	27
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	800,159(+13.0%)	$1.9M	0.0%	-51.98%	29
NORTHERN TRUST CORP	Increased	749,823(+6.2%)	$1.8M	0.0%	-55.82%	27
MILLENNIUM MANAGEMENT LLC	Increased	698,458(+42.2%)	$1.6M	0.0%	-23.36%	34
VFVANGUARD FIDUCIARY TRUST CO	Increased	612,773(+4.3%)	$1.4M	0.0%	-21.69%	27
JACOBS LEVY EQUITY MANAGEMENT, INC	Decreased	582,093(-15.1%)	$1.4M	0.0%	-45.77%	0

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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer