Who Owns Ribbon Communications Inc. (RBBN)?Hedge Fund & Institutional Holders

$2.09-0.06 (-2.79%)Communication ServicesNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$1.4600045000231073e+173T

% of Float Held

3.554378922471503e+294%

QoQ Change in Holders

+14 / -2

Price History

$1.95$2.75$3.54$4.34$5.14Aug 24Jun 25Mar 26

RBBN — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
KENNEDY CAPITAL MANAGEMENT LLCNew Position+711K+$2.0M
ACADIAN ASSET MANAGEMENT LLCIncreased+727K+$1.9M
BAILARD, INC.New Position+75K+$215K
Trilogy Capital Inc.New Position+65K+$188K
OXFORD ASSET MANAGEMENT LLPNew Position+56K+$160K
SG Americas Securities, LLCNew Position+42K+$120K
Arizona State Retirement SystemNew Position+27K+$78K
State of Alaska, Department of RevenueNew Position+25K+$72K
RPO LLCNew Position+22K+$63K
KLP KAPITALFORVALTNING ASNew Position+21K+$59K
VISTA INVESTMENT PARTNERS LLCNew Position+20K+$58K
STRS OHIONew Position+18K+$50K
SHERBROOKE PARK ADVISERS LLCNew Position+16K+$45K
nVerses Capital, LLCNew Position+13K+$37K
Indivisible PartnersNew Position+10K+$29K

RBBN — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
Neuberger Berman Group LLCDecreased-823K-$64.5B
PARADIGM CAPITAL MANAGEMENT INC/NYDecreased-426K-$33.2B
BlackRock, Inc.Decreased-33K-$29.2B
DIMENSIONAL FUND ADVISORS LPDecreased-70K-$24.9B
GEODE CAPITAL MANAGEMENT, LLCDecreased-8K-$8.8B
FIRST WILSHIRE SECURITIES MANAGEMENT INCDecreased-38K-$5.0B
First Eagle Investment Management, LLCDecreased-171K-$3.9B
NORTHERN TRUST CORPDecreased-76K-$3.8B
HERALD INVESTMENT MANAGEMENT LtdDecreased-113K-$3.5B
CHARLES SCHWAB INVESTMENT MANAGEMENT INCDecreased-413-$2.9B
FRANKLIN RESOURCES INCDecreased-526K-$2.3B
Cinctive Capital Management LPClosed Position-524K-$2.0B
MORGAN STANLEYDecreased-112K-$1.9B
VICTORY CAPITAL MANAGEMENT INCDecreased-5K-$1.3B
RAYMOND JAMES FINANCIAL INCClosed Position-349K-$1.3B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1JPMORGAN CHASE & CO50,758,672$146.0M0.01%Share
2Neuberger Berman Group LLC17,075,595$45.0M0.03%Share
3PARADIGM CAPITAL MANAGEMENT INC/NY8,023,298$23.1M0.97%Share
4VANGUARD GROUP INC7,101,022$20.4M0.00%Share
5DIMENSIONAL FUND ADVISORS LP6,232,561$17.0M0.00%Share
6ROYCE & ASSOCIATES LP4,614,741$13.3M0.13%Share
7BlackRock, Inc.4,352,360$12.0M0.00%Share
8BlackRock, Inc.2,447,274$7.0M0.00%Share
9STATE STREET CORP2,099,793$6.0M0.00%Share
10GEODE CAPITAL MANAGEMENT, LLC2,000,556$5.0M0.00%Share
11Connor, Clark & Lunn Investment Management Ltd.1,995,845$5.0M0.01%Share
12FIRST WILSHIRE SECURITIES MANAGEMENT INC1,267,586$3.6M0.92%Share
13JPMORGAN CHASE & CO1,262,539$3.0M0.00%Share
14First Eagle Investment Management, LLC862,528$2.5M0.00%Share
15HERALD INVESTMENT MANAGEMENT Ltd800,000$2.3M0.30%Share
16KENNEDY CAPITAL MANAGEMENT LLC710,703$2.0M0.04%Share
17JACOBS LEVY EQUITY MANAGEMENT, INC890,168$2.0M0.01%Share
18ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1,029,716$2.0M0.00%Share
19D. E. Shaw & Co., Inc.959,241$2.0M0.00%Share
20ACADIAN ASSET MANAGEMENT LLC761,165$2.0M0.00%Share
21CHARLES SCHWAB INVESTMENT MANAGEMENT INC769,074$2.0M0.00%Share
22NORTHERN TRUST CORP854,134$2.0M0.00%Share
23VANGUARD GROUP INC588,254$1.7M0.00%Share
24Silverberg Bernstein Capital Management LLC436,023$1.3M0.72%Share
25GOLDMAN SACHS GROUP INC510,400$1.0M0.00%Share
26AQR CAPITAL MANAGEMENT LLC490,698$1.0M0.00%Share
27VICTORY CAPITAL MANAGEMENT INC349,543$1.0M0.00%Share
28Neuberger Berman Group LLC355,507$1.0M0.00%Share
29PARADIGM CAPITAL MANAGEMENT INC/NY300,000$864K0.04%Share
30Pacific Ridge Capital Partners, LLC246,129$708K0.16%Share
31UBS Group AG190,642$549K0.00%Share
32UBS Group AG141,600$407K0.00%Call
33LSV ASSET MANAGEMENT135,800$391K0.00%Share
34EntryPoint Capital, LLC124,573$358K0.14%Share
35Invesco Ltd.116,122$334K0.00%Share
36Dynamic Technology Lab Private Ltd91,026$262K0.06%Share
37BAILARD, INC.74,800$215K0.00%Share
38Trilogy Capital Inc.65,360$188K0.01%Share
39VANGUARD GROUP INC59,515$171K0.00%Share
40OXFORD ASSET MANAGEMENT LLP55,568$160K0.07%Share
41GROUP ONE TRADING LLC53,900$155K0.00%Call
42VANGUARD GROUP INC52,767$151K0.00%Share
43Zurcher Kantonalbank (Zurich Cantonalbank)47,307$136K0.00%Share
44Sender Co & Partners, Inc.43,100$124K0.06%Call
45SG Americas Securities, LLC41,537$120K0.00%Share
46Assenagon Asset Management S.A.40,355$116K0.00%Share
47Invesco Ltd.37,108$106K0.00%Share
48VANGUARD GROUP INC31,451$90K0.00%Share
49Arizona State Retirement System27,369$78K0.00%Share
50RPO LLC22,208$63K0.01%Share

RBBN Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025149$338.0M+25
Q3 2025124$476.4B+4
Q2 2025120$410.3B-23
Q1 2025143$492.6B+17
Q4 2024126$650.5B+15
Q3 2024111$304.4T-3
Q2 2024114$282.5T+0
Q1 2024114$269.6T—

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As of Q4 2025, 50 institutional investors hold RBBN (Ribbon Communications Inc.). The largest holder is JPMORGAN CHASE & CO with $146.0M in shares. This quarter, 14 institutions opened new positions and 2 closed their positions.

Frequently Asked Questions

How many hedge funds own RBBN?

As of Q4 2025, 50 institutional investors report holding RBBN (Ribbon Communications Inc.) in their 13F filings.

Who is the largest institutional holder of RBBN?

The largest institutional holder of RBBN is JPMORGAN CHASE & CO with $146.0M in shares.

Is institutional ownership of RBBN increasing or decreasing?

This quarter, 14 institutions opened new positions in RBBN and 2 closed their positions.