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Ribbon Communication shares owned by Round Rock Advisors

Quarter-by-quarter ownership of Ribbon Communication (RBBN) shares owned by Round Rock Advisors from 13F filings

Historical chart of Round Rock Advisors investment in Ribbon Communication

Tip: Access up to 7 years of quarterly data

All positions including Ribbon Communication held by Round Rock Advisors consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Ribbon Communication by Round Rock Advisors

Quarter filed Position value Share count Share price at filing
2025-09-30 $256k 74k 3.45

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Invesco Qqq Tr Unit Ser 1 (QQQ)
J P Morgan Exchange Traded F Ultra Shrt Etf (JPST)
Vanguard Whitehall Fds High Div Yld (VYM)
Vaneck Etf Trust Semiconductr Etf (SMH)
Ishares Tr Core S&p Scp Etf (IJR)
Vanguard Index Fds Mid Cap Etf (VO)
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Microsoft Corporation (MSFT)
Select Sector Spdr Tr Indl (XLI)
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Berkshire Hathaway Inc Del Cl A (BRK.A)
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Invesco Exchange Traded Fd T S&p500 Eql Wgt (RSP)
Alphabet Cap Stk Cl C (GOOG)
American Centy Etf Tr Short Durtn Strg (SDSI)

View all positions for Round Rock Advisors

Top funds holding Ribbon Communication

Jpmorgan Chase & Co
Neuberger Berman Group
Paradigm Capital Management
BlackRock
Vanguard Group
Dimensional Fund Advisors
Royce & Associates
Geode Capital Management
State Street Corporation
Connor, Clark & Lunn Investment Management
First Wilshire Securities Management
First Eagle Investment Management
Northern Trust
Arrowstreet Capital, Limited Partnership
Herald Investment Management

View all funds holding Ribbon Communication