13F

Stock

Ribbon Communications Inc.

RBBN · held by 153 managers

Reported value

$365.3M

Holders

153

+2 new · −0 exited

Holders’ est. mark

−$601.1K

Price effect on 8 books still in the name

Largest holder

$149.9M

JPMORGAN CHASE & CO

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
JPMORGAN CHASE & CO52M$149.9MHeld
NEUBERGER BERMAN GROUP LLC17.4M$46MHeld
PARADIGM CAPITAL MANAGEMENT INC/NY8.32M$24MHeld
Vanguard7.83M$22.6MHeld
BlackRock, Inc.7.67M$22.1MHeld
DIMENSIONAL FUND ADVISORS LP6.48M$18.6MHeld
ROYCE & ASSOCIATES LP4.61M$13.3MHeld
GEODE CAPITAL MANAGEMENT, LLC2.3M$6.63MHeld
State Street2.1M$6.05MHeld
Connor, Clark & Lunn Investment Management Ltd.2M$5.75MHeld
FIRST WILSHIRE SECURITIES MANAGEMENT INC1.27M$3.65MHeld
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1.03M$2.97MHeld
D. E. Shaw & Co., Inc.979.8K$2.82MHeld
NORTHERN TRUST CORP922.6K$2.66MHeld
JACOBS LEVY EQUITY MANAGEMENT, INC890.2K$2.56MHeld
First Eagle Investment Management, LLC862.5K$2.48MHeld
HERALD INVESTMENT MANAGEMENT Ltd800K$2.3MHeld
GOLDMAN SACHS GROUP INC787.5K$2.27MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC769.1K$2.21MHeld
KENNEDY CAPITAL MANAGEMENT LLC710.7K$2.05MHeld
Icahn Capital491.5K$1.42MHeld
Silverberg Bernstein Capital Management LLC436K$1.26MHeld
MORGAN STANLEY392.4K$1.13M−$361KCut−$787.7K
Bank of New York Mellon Corp390K$1.12MHeld
JANE STREET GROUP, LLC379.5K$1.09MHeld
VICTORY CAPITAL MANAGEMENT INC349.5K$1.01MHeld
STATE OF WISCONSIN INVESTMENT BOARD310.4K$893.9KHeld
COMMONWEALTH EQUITY SERVICES, LLC284.7K$820.1KHeld
Pacific Ridge Capital Partners, LLC246.1K$708.9KHeld
AMERICAN CENTURY COMPANIES INC213.9K$616.2KHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC212.6K$612.4KHeld
BARCLAYS PLC202.5K$583.1K−$142.4KCut−$5.04K
ExodusPoint Capital Management, LP198.2K$570.8KHeld
UBS Group AG191.4K$551.1KHeld
Swiss National Bank185.5K$534.2KHeld
Nuveen, LLC176.2K$507.6KHeld
MARSHALL WACE, LLP173.7K$500.3KHeld
Invesco Ltd.168.9K$486.5KHeld
VOYA INVESTMENT MANAGEMENT LLC149.6K$430.7KHeld
BANK OF AMERICA CORP /DE/147.7K$425.3K−$83.2KAdded$81.5K
SEI INVESTMENTS CO140K$403.4KHeld
AMERIPRISE FINANCIAL INC129K$371.4KHeld
RHUMBLINE ADVISERS128.3K$369.5KHeld
EntryPoint Capital, LLC124.6K$358.8KHeld
ALLIANCEBERNSTEIN L.P.119.3K$343.4KHeld
WELLS FARGO & COMPANY/MN110.8K$319.1KHeld
Susquehanna Portfolio Strategies, LLC109.9K$316.5KHeld
XTX Topco Ltd102.9K$296.3KHeld
Legal & General Group Plc94.3K$271.7KHeld
Dynamic Technology Lab Private Ltd91K$262KHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM88.5K$254.7KHeld
Russell Investments Group, Ltd.87.5K$252.1KHeld
DEUTSCHE BANK AG\85.7K$246.7KHeld
BAILARD, INC.74.8K$215.4KHeld
FRANKLIN RESOURCES INC71.2K$205.1KHeld
Trilogy Capital Inc.65.4K$188.2KHeld
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO60.6K$174.7KHeld
OXFORD ASSET MANAGEMENT LLP55.6K$160KNew
Engineers Gate Manager LP55.5K$159.8KHeld
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC54.5K$157.1KHeld
MILLENNIUM MANAGEMENT LLC54.3K$156.4KHeld
Citadel53.9K$155.2KHeld
LOS ANGELES CAPITAL MANAGEMENT LLC42.4K$142.4KHeld
Zurcher Kantonalbank (Zurich Cantonalbank)47.3K$136.2KHeld
Qube Research & Technologies Ltd44.1K$126.9KHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.43.6K$125.5KHeld
PRELUDE CAPITAL MANAGEMENT, LLC40.7K$117.3KHeld
Verition Fund Management LLC40.5K$116.6KHeld
Assenagon Asset Management S.A.40.4K$116.2KHeld
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM37.5K$108.1KHeld
MetLife Investment Management, LLC37.3K$107.5KHeld
JANUS HENDERSON GROUP PLC35.6K$102.8KHeld
Focus Partners Wealth35.1K$101.1KHeld
CITIGROUP INC33.3K$96KHeld
WINTON GROUP Ltd33.1K$95.3KHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE31.3K$90.1KHeld
TWO SIGMA SECURITIES, LLC30.7K$88.5KHeld
Global Retirement Partners, LLC29.8K$85.8KHeld
ARIZONA STATE RETIREMENT SYSTEM27.4K$78.8KHeld
INTECH INVESTMENT MANAGEMENT LLC27.1K$78KHeld
ENVESTNET ASSET MANAGEMENT INC26.7K$76.9KHeld
Police & Firemen's Retirement System of New Jersey24.7K$71.1KHeld
Essex Financial Services, Inc.24.5K$70.6KHeld
NEW YORK STATE COMMON RETIREMENT FUND22.5K$64.9KHeld
RPO LLC22.2K$64KHeld
NewEdge Advisors, LLC22.2K$63.9KHeld
KLP KAPITALFORVALTNING AS20.8K$59.9KHeld
VISTA INVESTMENT PARTNERS LLC20.4K$58.8KHeld
BNP PARIBAS FINANCIAL MARKETS19.7K$56.8KHeld
IRONWOOD INVESTMENT MANAGEMENT LLC18.4K$52.8KHeld
Brevan Howard Capital Management LP18.2K$52.5KHeld
Amundi17.8K$51.2KHeld
STRS OHIO17.6K$50.7KHeld
JONES FINANCIAL COMPANIES LLLP17.3K$49.7KHeld
ProShare Advisors LLC17.1K$49.4KHeld
TWO SIGMA INVESTMENTS, LP17K$48.9KHeld
SHERBROOKE PARK ADVISERS LLC15.7K$45.1KHeld
Tower Research Capital LLC (TRC)14.8K$42.6KHeld
LPL Financial LLC13.9K$40.1KHeld
WHITE PINE CAPITAL LLC13.3K$38.4KHeld
Fidelity13.3K$38.2KHeld
nVerses Capital, LLC13K$37.4KHeld
DGS Capital Management, LLC12.5K$35.9KNew
JMN Financial LLC12.5K$35.9KHeld
BOOTHBAY FUND MANAGEMENT, LLC11.1K$32KHeld
MACKENZIE FINANCIAL CORP10.7K$31.4KHeld
Keel Point, LLC10.7K$30.9K−$9.86KCut−$9.86K
Indivisible Partners10.3K$29.5KHeld
GRIMES & Co WEALTH MANAGEMENT, LLC10K$28.9KHeld
Kathmere Capital Management, LLC10K$28.8KHeld
Fortis Advisors, LLC10K$28.8KHeld
Ameritas Investment Partners, Inc.8.66K$24.9KHeld
OSAIC HOLDINGS, INC.7.58K$21.8KHeld
Rockefeller Capital Management L.P.6.41K$18.5KHeld
Sterling Capital Management LLC5.41K$15.6KHeld
COMERICA BANK4.79K$13.8KHeld
Farther Finance Advisors, LLC4.52K$13KHeld
ROYAL BANK OF CANADA3.11K$9KHeld
Allworth Financial LP3K$8.65K−$2.72KCut−$2.58K
SIMPLEX TRADING, LLC2.59K$7.45KHeld
US BANCORP \DE\2.08K$6KHeld
Medallion Wealth Advisors, LLC1.92K$5.53K−$1.77KCut−$1.77K
CIBC Private Wealth Group LLC1.7K$4.89KHeld
Community Bank, N.A.1.4K$4.02KHeld
PNC Financial Services Group, Inc.1.06K$3.06KHeld
Colonial Trust Advisors1K$2.88KHeld
ACADIAN ASSET MANAGEMENT LLC761.2K$2.19KHeld
Arax Advisory Partners718$2.07KHeld
GSA CAPITAL PARTNERS LLP287.6K$828Held
Parallel Advisors, LLC207$596Held
Larson Financial Group LLC171$492Held
ROTHSCHILD INVESTMENT LLC170$490Held
QUADRANT CAPITAL GROUP LLC168$484Held
IFP Advisors, Inc163$469−$150Cut−$416
NISA INVESTMENT ADVISORS, LLC157$452Held
LSV ASSET MANAGEMENT135.8K$391Held
CoreCap Advisors, LLC80$230Held
MAI Capital Management78$225Held
PRICE T ROWE ASSOCIATES INC /MD/69.8K$202Held
GAMMA Investing LLC52$150Held
SG Americas Securities, LLC41.5K$120Held
BNP PARIBAS ASSET MANAGEMENT Holding S.A.40.7K$117Held
SIGNATUREFD, LLC38$109Held
State of Alaska, Department of Revenue25.4K$72Held
Essential Partners LLC13$37−$12Cut−$1K
TFC Financial Management, Inc.12$35Held
SBI Securities Co., Ltd.9$26Held
Arlington Trust Co LLC6$17Held
CANADA LIFE ASSURANCE Co3.68K$11Held
True Wealth Design, LLC3$9Held
AMALGAMATED BANK2.95K$8Held
CWM, LLC2.19K$6Held
EverSource Wealth Advisors, LLC2$6Held

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.