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

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.