13F

Stock

Ribbon Communications Inc.

RBBN · held by 149 managers

Reported value

$263.9M

Holders

149

+32 new · −34 exited

Holders’ est. mark

−$88.1M

Price effect on 113 books still in the name

Largest holder

$108M

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$108M−$41.9MCut−$41.9M
NEUBERGER BERMAN GROUP LLC17.4M$33.2M−$12.6MCut−$12.8M
PARADIGM CAPITAL MANAGEMENT INC/NY8.04M$17M−$6.11MCut−$6.93M
BlackRock, Inc.6.72M$14.3M−$5.11MCut−$7.82M
DIMENSIONAL FUND ADVISORS LP6.35M$13.5M−$4.83MCut−$5.19M
ROYCE & ASSOCIATES LP4.88M$10.3M−$3.51MCut−$2.95M
VANGUARD CAPITAL MANAGEMENT LLC4.22M$8.94MHeld
VANGUARD PORTFOLIO MANAGEMENT LLC3.34M$7.07MHeld
GEODE CAPITAL MANAGEMENT, LLC2.41M$5.12M−$1.75MCut−$1.51M
Connor, Clark & Lunn Investment Management Ltd.2.09M$4.43M−$1.52MCut−$1.32M
State Street1.91M$4.05M−$1.45MCut−$2M
D. E. Shaw & Co., Inc.1.54M$3.26M−$744.7KAdded$439.6K
FIRST WILSHIRE SECURITIES MANAGEMENT INC1.41M$2.98M−$963.4KCut−$667.4K
Icahn Capital1.26M$2.67M−$373.5KAdded$1.25M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1.22M$2.58M−$782.6KCut−$385.8K
MARSHALL WACE, LLP769.8K$1.63M−$132KAdded$1.13M
GOLDMAN SACHS GROUP INC744.7K$1.58M−$566KCut−$689.1K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC708.2K$1.5M−$538.2KCut−$713.6K
NORTHERN TRUST CORP705.9K$1.5M−$536.5KCut−$1.16M
JACOBS LEVY EQUITY MANAGEMENT, INC685.3K$1.45M−$520.8KCut−$1.11M
VANGUARD FIDUCIARY TRUST CO587.4K$1.25MHeld
Citadel575K$1.22M−$41KAdded$1.06M
MILLENNIUM MANAGEMENT LLC491.3K$1.04M−$41.3KAdded$885.2K
Silverberg Bernstein Capital Management LLC438.1K$928.8K−$331.4KCut−$326.9K
MORGAN STANLEY423.5K$897.7K−$298.2KCut−$232.3K
VICTORY CAPITAL MANAGEMENT INC422.4K$895.4K−$265.7KCut−$111.3K
Bank of New York Mellon Corp377.4K$800K−$286.8KCut−$323.2K
Russell Investments Group, Ltd.351.9K$746K−$66.5KAdded$493.9K
COMMONWEALTH EQUITY SERVICES, LLC284.7K$603.6K−$216.4KCut−$216.4K
Pacific Ridge Capital Partners, LLC246.2K$521.9K−$187.1KCut−$187K
AMERICAN CENTURY COMPANIES INC212.4K$450.2K−$161.4KCut−$166K
BANK OF AMERICA CORP /DE/208.2K$441.4K−$112.2KAdded$16.1K
VOYA INVESTMENT MANAGEMENT LLC207.7K$440.3K−$113.7KAdded$9.59K
OP Asset Management Ltd206.8K$438.4KNew
ExodusPoint Capital Management, LP196.9K$417.4K−$149.6KCut−$153.3K
UBS Group AG192.8K$408.8K−$145.4KCut−$142.3K
Invesco Ltd.181.8K$385.5K−$128.4KCut−$101K
Nuveen, LLC177.2K$375.7K−$133.9KCut−$131.9K
ALLIANCEBERNSTEIN L.P.120.1K$346K−$0Added$2.59K
XTX Topco Ltd160.9K$341.2K−$78.2KAdded$44.9K
EntryPoint Capital, LLC140.3K$297.4K−$94.7KCut−$61.3K
Engineers Gate Manager LP140K$296.7K−$42.2KAdded$136.9K
RHUMBLINE ADVISERS128.4K$272.2K−$97.5KCut−$97.3K
Vanguard Global Advisers, LLC126.3K$267.7KHeld
FRANKLIN RESOURCES INC108.8K$230.6K−$54.1KAdded$25.5K
AMERIPRISE FINANCIAL INC107.5K$227.9K−$81.7KCut−$143.6K
BARCLAYS PLC101.8K$215.9K−$77.4KCut−$367.2K
HERALD INVESTMENT MANAGEMENT Ltd100K$212K−$76KCut−$2.09M
Susquehanna Portfolio Strategies, LLC93.2K$197.6K−$70.8KCut−$118.9K
BRIDGEWAY CAPITAL MANAGEMENT, LLC88.2K$187.1KNew
Empowered Funds, LLC88.2K$187.1KNew
SEI INVESTMENTS CO81.7K$173.2K−$62.1KCut−$230.1K
Creative Planning64.9K$137.6KNew
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO60.6K$128.6K−$46.1KCut−$46.1K
Dynamic Technology Lab Private Ltd59.5K$126.1K−$45.1KCut−$135.9K
State of Wyoming54.9K$116.5KNew
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC54.5K$115.6K−$41.4KCut−$41.4K
SUSQUEHANNA INTERNATIONAL GROUP, LLP52.2K$110.7KNew
Vident Advisory, LLC50.2K$106.4KNew
WINTON GROUP Ltd50.1K$106.2K−$25.2KAdded$10.9K
PRELUDE CAPITAL MANAGEMENT, LLC49K$104K−$31KCut−$13.4K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.44.7K$94.7K−$33.1KCut−$30.8K
MetLife Investment Management, LLC39.5K$83.7K−$28.4KCut−$23.8K
Assenagon Asset Management S.A.37.9K$80.4K−$28.8KCut−$35.8K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM37.5K$79.6K−$28.5KCut−$28.5K
WELLS FARGO & COMPANY/MN37.4K$79.4K−$28.5KCut−$239.7K
CITIGROUP INC36.6K$77.5K−$25.3KCut−$18.5K
Polymer Capital Management (US) LLC31.9K$67.6KNew
Focus Partners Wealth31.4K$66.6K−$23.9KCut−$34.5K
MANUFACTURERS LIFE INSURANCE COMPANY, THE27.7K$58.7K−$21.1KCut−$31.4K
ENVESTNET ASSET MANAGEMENT INC26.5K$56.1K−$20.1KCut−$20.8K
Abacus Wealth Partners, LLC26.1K$55.3KNew
DEUTSCHE BANK AG\25.4K$53.8K−$19.3KCut−$192.9K
Police & Firemen's Retirement System of New Jersey24.7K$52.3K−$18.8KCut−$18.8K
Essex Financial Services, Inc.24.7K$52.3K−$18.6KCut−$18.3K
Mariner, LLC23.1K$49KNew
TWO SIGMA SECURITIES, LLC23K$48.7K−$17.5KCut−$39.9K
NEW YORK STATE COMMON RETIREMENT FUND22.5K$47.8K−$17.1KCut−$17.1K
INTECH INVESTMENT MANAGEMENT LLC21.9K$46.5K−$16.7KCut−$31.5K
Schonfeld Strategic Advisors LLC21.8K$46.2KNew
VISTA INVESTMENT PARTNERS LLC20.4K$43.2K−$15.5KCut−$15.5K
BNP PARIBAS FINANCIAL MARKETS20K$42.5K−$15KCut−$14.3K
JONES FINANCIAL COMPANIES LLLP19.1K$40.7K−$13KCut−$9.01K
IRONWOOD INVESTMENT MANAGEMENT LLC18.1K$38.3K−$13.7KCut−$14.5K
STRS OHIO17.6K$37.3K−$13.4KCut−$13.4K
NewEdge Wealth, LLC16.3K$34.5KNew
Vestmark Advisory Solutions, Inc.16.3K$34.5KNew
SEVEN MILE ADVISORY16K$33.9KNew
LPL Financial LLC15.6K$33.1K−$10.6KCut−$6.99K
Trilogy Capital Inc.15.4K$32.6K−$11.7KCut−$155.7K
PRUDENTIAL FINANCIAL INC14.6K$31KNew
NINE MASTS CAPITAL Ltd14.4K$30.5KNew
IEQ CAPITAL, LLC14.1K$30KNew
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC13.6K$29.6KNew
ProShare Advisors LLC13.6K$28.8K−$10.3KCut−$20.5K
WHITE PINE CAPITAL LLC13.3K$28.3K−$10.1KCut−$10.1K
CWM, LLC12.4K$26.3K$4.65KAdded$26.3K
Y-Intercept (Hong Kong) Ltd12.4K$26.2KNew
CANADA PENSION PLAN INVESTMENT BOARD11.4K$24.2KNew
Ballentine Partners, LLC10.7K$22.6KNew
Indivisible Partners10.3K$21.7K−$7.79KCut−$7.79K
GRIMES & Co WEALTH MANAGEMENT, LLC10K$21.3K−$7.62KCut−$7.62K
Kathmere Capital Management, LLC10K$21.2K−$7.6KCut−$7.6K
Ameritas Investment Partners, Inc.8.66K$18.4K−$6.58KCut−$6.58K
Legal & General Group Plc8.43K$17.9K−$6.41KCut−$253.8K
Tower Research Capital LLC (TRC)7.56K$16K−$5.74KCut−$26.6K
OSAIC HOLDINGS, INC.7.54K$16K−$5.73KCut−$5.84K
ROYAL BANK OF CANADA5.9K$12K−$2.66KAdded$3K
Fidelity5.22K$11.1K−$3.97KCut−$27.2K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM5.08K$10.8K−$3.86KCut−$244K
Rockefeller Capital Management L.P.3.6K$7.64K−$2.74KCut−$10.8K
Allworth Financial LP3.26K$6.92K−$2.28KCut−$1.74K
Sterling Capital Management LLC3.1K$6.58K−$2.36KCut−$8.99K
FIFTH THIRD BANCORP2.05K$4.34KNew
Colonial Trust Advisors2K$4.24K−$760Added$1.36K
Medallion Wealth Advisors, LLC1.92K$4.07K−$1.46KCut−$1.46K
Farther Finance Advisors, LLC1.65K$3.62K−$1.14KCut−$9.4K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1.55K$3.28K−$1.18KCut−$609.1K
BARROW HANLEY MEWHINNEY & STRAUSS LLC1.52K$3.21KNew
ACADIAN ASSET MANAGEMENT LLC1.44M$3.04K−$579Added$854
Community Bank, N.A.1.4K$2.95K−$1.06KCut−$1.06K
Bell Investment Advisors, Inc1.31K$2.77KNew
Arax Advisory Partners673$1.43K−$510Cut−$640
PNC Financial Services Group, Inc.643$1.36K−$489Cut−$1.7K
MAI Capital Management641$1.36K−$60Added$1.13K
Essential Partners LLC502$1.06K−$9Added$1.03K
ROTHSCHILD INVESTMENT LLC438$929−$129Added$439
SIGNATUREFD, LLC405$859−$28Added$750
EverSource Wealth Advisors, LLC397$842−$2Added$836
MassMutual Private Wealth & Trust, FSB381$808New
GROUP ONE TRADING LLC314$666New
GSA CAPITAL PARTNERS LLP292.8K$621−$218Cut−$207
Larson Financial Group LLC245$519−$130Added$27
IFP Advisors, Inc231$490−$123Added$21
Root Financial Partners, LLC164$348New
LSV ASSET MANAGEMENT135.8K$288−$103Cut−$103
True Wealth Design, LLC123$261−$3Added$252
US BANCORP \DE\90$191−$68Cut−$5.81K
CoreCap Advisors, LLC80$170−$60Cut−$60
PRICE T ROWE ASSOCIATES INC /MD/69.8K$149−$53Cut−$53
Wealth Preservation Advisors, LLC50$106New
SG Americas Securities, LLC32.2K$68−$25Cut−$52
SBI Securities Co., Ltd.26$55−$7Added$29
Virtu Financial LLC25.7K$54New
State of Alaska, Department of Revenue25.4K$53−$19Cut−$19
SJS Investment Consulting Inc.15$32New
TFC Financial Management, Inc.12$26−$9Cut−$9
Caitong International Asset Management Co., Ltd3$6New
Kilter Group LLC1$3New

Who left

Positions as of Q1 2026. 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.