13F Insight
DOSSIER · 13F Holders · Q2 2026

RIBBON COMMUNICATIONS INC

165 institutions still hold RIBBON COMMUNICATIONS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 762544104·165 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$260M
visible holders
Holders
165
filers reporting
Concentration
44.43%
JPMORGAN CHASE & CO #1
top holder share
AI Holders Summary · Q2 2026

165 institutions reported RIBBON COMMUNICATIONS INC in Q2 2026. JPMORGAN CHASE & CO leads at 44.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
JPMORGAN CHASE & CO
CIK 0000019617
$116M52.0M0.01%Q2 202602
Neuberger Berman Group LLC
CIK 0001465109
$39M18.3M0.03%Q2 202603
BlackRock, Inc.
CIK 0002012383
$17M7.1M0.00%Q2 202604
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$15M6.3M0.00%Q2 202605
ROYCE & ASSOCIATES LP
CIK 0000906304
$12M5.1M0.10%Q2 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$9M3.9M0.00%Q2 202607
Vanguard Portfolio Management
CIK 0002100121· Index
$8M3.5M0.00%Q2 202608
PARADIGM CAPITAL MANAGEMENT INC/NY
CIK 0001037792
$7M3.0M0.19%Q2 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$6M2.5M0.00%Q2 202610
Connor, Clark & Lunn Investment Management Ltd.
CIK 0001596800
$5M2.2M0.01%Q2 202611
STATE STREET CORP
CIK 0000093751
$5M1.9M0.00%Q2 202612
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$3M1.4M0.00%Q2 202613
FIRST WILSHIRE SECURITIES MANAGEMENT INC
CIK 0000732847
$3M1.4M0.68%Q2 202614
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$3M1.4M0.00%Q1 202615
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$3M1.2M0.00%Q2 202616
D. E. Shaw & Co., Inc.
CIK 0001009207
$3M980K0.00%Q4 202517
MARSHALL WACE, LLP
CIK 0001318757
$2M814K0.00%Q2 202618
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$2M800K0.00%Q2 202619
NORTHERN TRUST CORP
CIK 0000073124· Index
$2M750K0.00%Q2 202620
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$2M698K0.00%Q2 2026
Page 1 of 9
145 more holders available. Log in →