# RAMBUS INC DEL (RMBS)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/RMBS/

- Reporting holders: 19
- Reported value: $41.8M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [CONGRESS ASSET MANAGEMENT CO](https://holderbook.com/funds/897378-congress-asset-management-co/) | $38.1M | 356,996 | 0.2% | 8 |
| [M.E. ALLISON & CO., INC.](https://holderbook.com/funds/1619532-m-e-allison-co-inc/) | $629.6K | 5,897 | 0.4% | 8 |
| [ROCKLAND TRUST CO](https://holderbook.com/funds/84616-rockland-trust-co/) | $533.4K | 4,996 | 0.0% | 15 |
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $528.9K | 4,954 | 0.0% | 16 |
| [Oak Grove Capital LLC](https://holderbook.com/funds/1661762-oak-grove-capital-llc/) | $512.4K | 4,800 | 0.0% | 6 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $481.8K | 4,513 | 0.0% | 12 |
| [Balefire, LLC](https://holderbook.com/funds/1750924-balefire-llc/) | $258.4K | 2,420 | 0.0% | 5 |
| [Everhart Financial Group, Inc.](https://holderbook.com/funds/1852858-everhart-financial-group-inc/) | $230.1K | 2,155 | 0.0% | 3 |
| [MOODY NATIONAL BANK TRUST DIVISION](https://holderbook.com/funds/1092903-moody-national-bank-trust-division/) | $208.0K | 1,948 | 0.0% | 8 |
| [Versant Capital Management, Inc](https://holderbook.com/funds/1735057-versant-capital-management-inc/) | $120.2K | 1,126 | 0.0% | 32 |
| [GK Wealth Management LLC](https://holderbook.com/funds/2069222-gk-wealth-management-llc/) | $119.3K | 1,117 | 0.1% | 1 |
| [MassMutual Private Wealth & Trust, FSB](https://holderbook.com/funds/1103653-massmutual-private-wealth-trust-fsb/) | $33.7K | 316 | 0.0% | 22 |
| [CoreCap Advisors, LLC](https://holderbook.com/funds/1902501-corecap-advisors-llc/) | $17.0K | 159 | 0.0% | 2 |
| [TOTH FINANCIAL ADVISORY CORP](https://holderbook.com/funds/866780-toth-financial-advisory-corp/) | $5.3K | 50 | 0.0% | 6 |
| [MJT & Associates Financial Advisory Group, Inc.](https://holderbook.com/funds/2065777-mjt-associates-financial-advisory-group-inc/) | $4.9K | 46 | 0.0% | 5 |
| [ELEVATION WEALTH PARTNERS, LLC](https://holderbook.com/funds/1976256-elevation-wealth-partners-llc/) | $3.0K | 28 | 0.0% | 1 |
| [ARMSTRONG ADVISORY GROUP, INC](https://holderbook.com/funds/1932952-armstrong-advisory-group-inc/) | $2.0K | 19 | 0.0% | 3 |
| [Trust Co](https://holderbook.com/funds/1632554-trust-co/) | $854 | 8 | 0.0% | 4 |
| [Wealth Enhancement Trust Services, Inc.](https://holderbook.com/funds/2067696-wealth-enhancement-trust-services-inc/) | $214 | 2 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 19 | $41.8M |
| Q2 2026 | 624 | $14.7B |
| Q1 2026 | 556 | $9.0B |
| Q4 2025 | 557 | $9.3B |
| Q3 2025 | 523 | $10.8B |
| Q2 2025 | 465 | $6.4B |
| Q1 2025 | 416 | $5.2B |
| Q4 2024 | 401 | $5.1B |
| Q3 2024 | 379 | $4.2B |
| Q2 2024 | 371 | $6.1B |
| Q1 2024 | 381 | $6.7B |
| Q4 2023 | 404 | $7.4B |