RBBN
Ribbon Communications Inc.Company with tickers: RBBN
CIK
1708055
CUSIP
762544104
Shares Outstanding
176,139,067
13F Activity (30d)
5 filings
2 filers
Registered funds — mutual funds, ETFs and closed-end funds — whose latest Form N-PORT portfolio report holds this stock, matched by the stock's CUSIP. Each row is one fund position with its size, value and weight in that fund.
Funds holding RBBN
128 fund positions| Fund | Ticker | Balance | Value | % of Fund | Side | Reported | Open |
|---|---|---|---|---|---|---|---|
| Neuberger Intrinsic Value Fund | — | 4,182,453 | $9,326,870 | 0.72% | Long | 2026-02-28 | |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | — | 3,068,300 | $6,504,796 | 0.00% | Long | 2026-03-31 | |
| VANGUARD INFORMATION TECHNOLOGY INDEX FUND | — | 2,442,052 | $5,445,776 | 0.00% | Long | 2026-02-28 | |
| iShares Russell 2000 ETF | — | 2,306,062 | $4,888,851 | 0.01% | Long | 2026-03-31 | |
| Royce Small-Cap Opportunity Fund | — | 1,746,553 | $3,702,692 | 0.33% | Long | 2026-03-31 | |
| U.S. SMALL CAP VALUE PORTFOLIO | — | 970,437 | $2,542,545 | 0.01% | Long | 2026-01-31 | |
| VANGUARD EXTENDED MARKET INDEX FUND | — | 1,006,513 | $2,133,808 | 0.00% | Long | 2026-03-31 | |
| U.S. Targeted Value Portfolio | — | 804,828 | $2,108,649 | 0.01% | Long | 2026-01-31 | |
| Column Small Cap Select Fund | — | 890,464 | $1,985,735 | 0.11% | Long | 2026-02-28 | |
| ROYCE MICRO-CAP TRUST, INC. | RMT | 916,553 | $1,943,092 | 0.28% | Long | 2026-03-31 | |
| U.S. SMALL CAP PORTFOLIO | — | 685,021 | $1,794,755 | 0.01% | Long | 2026-01-31 | |
| iShares Russell 2000 Value ETF | — | 814,118 | $1,725,930 | 0.01% | Long | 2026-03-31 | |
| U.S. MICRO CAP PORTFOLIO | — | 424,685 | $1,112,675 | 0.02% | Long | 2026-01-31 | |
| Fidelity Extended Market Index Fund | — | 478,880 | $1,067,902 | 0.00% | Long | 2026-02-28 | |
| VANGUARD RUSSELL 2000 INDEX FUND | — | 463,066 | $1,032,637 | 0.01% | Long | 2026-02-28 | |
| Schwab U.S. Small-Cap ETF | — | 448,016 | $999,076 | 0.00% | Long | 2026-02-28 | |
| Royce Micro-Cap Fund | — | 437,471 | $927,439 | 0.29% | Long | 2026-03-31 | |
| Morgan Stanley Pathway Small-Mid Cap Equity ETF | — | 360,538 | $804,000 | 0.11% | Long | 2026-02-28 | |
| Tax-Managed U.S. Mid & Small Cap Fund | — | 304,035 | $802,652 | 0.04% | Long | 2026-04-30 | |
| VANGUARD STRATEGIC SMALL-CAP EQUITY FUND | — | 363,828 | $771,315 | 0.03% | Long | 2026-03-31 | |
| iShares ESG Aware MSCI USA Small-Cap ETF | — | 335,639 | $748,475 | 0.03% | Long | 2026-02-28 | |
| U.S. CORE EQUITY 2 PORTFOLIO | — | 224,365 | $587,836 | 0.00% | Long | 2026-01-31 | |
| iShares Micro-Cap ETF | — | 236,699 | $501,802 | 0.04% | Long | 2026-03-31 | |
| Victory Integrity Discovery Fund | — | 219,155 | $464,609 | 0.68% | Long | 2026-03-31 | |
| Avantis U.S. Small Cap Equity ETF | — | 200,520 | $447,160 | 0.02% | Long | 2026-02-28 | |
| iShares Core S&P Total U.S. Stock Market ETF | — | 199,221 | $422,349 | 0.00% | Long | 2026-03-31 | |
| VOYA INDEX PLUS SMALLCAP PORTFOLIO | — | 190,015 | $402,832 | 0.11% | Long | 2026-03-31 | |
| Fidelity Total Market Index Fund | — | 161,677 | $360,540 | 0.00% | Long | 2026-02-28 | |
| Paradigm Micro-Cap Fund | — | 163,037 | $345,638 | 0.26% | Long | 2026-03-31 | |
| Column Small Cap Fund | — | 149,902 | $334,281 | 0.06% | Long | 2026-02-28 | |
| Master Small Cap Index Series | — | 156,409 | $331,587 | 0.01% | Long | 2026-03-31 | |
| Fidelity Series Total Market Index Fund | — | 133,752 | $298,267 | 0.00% | Long | 2026-02-28 | |
| Royce Capital Fund - Micro-Cap Portfolio | — | 137,625 | $291,765 | 0.28% | Long | 2026-03-31 | |
| U.S. CORE EQUITY 1 PORTFOLIO | — | 102,669 | $268,993 | 0.00% | Long | 2026-01-31 | |
| WisdomTree U.S. SmallCap Fund | — | 124,295 | $263,505 | 0.04% | Long | 2026-03-31 | |
| Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF | — | 117,090 | $261,111 | 0.03% | Long | 2026-02-28 | |
| Fidelity Nasdaq Composite Index Fund | — | 116,776 | $260,410 | 0.00% | Long | 2026-02-28 | |
| Fidelity Small Cap Value Index Fund | — | 115,734 | $245,356 | 0.01% | Long | 2026-03-31 | |
| EQ/2000 Managed Volatility Portfolio | — | 110,603 | $234,478 | 0.01% | Long | 2026-03-31 | |
| Multi-Manager Small Cap Equity Strategies Fund | — | 103,367 | $230,508 | 0.02% | Long | 2026-02-28 | |
| Dimensional VA U.S. Targeted Value Portfolio | — | 58,517 | $196,617 | 0.03% | Long | 2025-10-31 | |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | — | 88,346 | $187,294 | 0.00% | Long | 2026-03-31 | |
| EA Bridgeway Omni Small-Cap Value ETF | — | 88,231 | $187,050 | 0.01% | Long | 2026-03-31 | |
| NVIT Multi-Manager Small Company Fund | — | 82,425 | $174,741 | 0.05% | Long | 2026-03-31 | |
| SMALL CAP EQUITY FUND | — | 74,760 | $158,491 | 0.02% | Long | 2026-03-31 | |
| VANGUARD RUSSELL 2000 VALUE INDEX FUND | — | 69,513 | $155,014 | 0.01% | Long | 2026-02-28 | |
| EQ/Small Company Index Portfolio | — | 68,838 | $145,937 | 0.01% | Long | 2026-03-31 | |
| Venerable US Small Cap Fund | — | 65,305 | $138,447 | 0.10% | Long | 2026-03-31 | |
| LVIP SSGA Small-Cap Index Fund | — | 65,102 | $138,016 | 0.01% | Long | 2026-03-31 | |
| NVIT Small Cap Value Fund | — | 60,033 | $127,270 | 0.07% | Long | 2026-03-31 |
Showing 1–50 of 128 positions