18 institutions reported holding $114.9M of RAMBUS INC DEL (RMBS) in SEC 13F filings for 2026-06-30. Largest institutional holders: CONGRESS ASSET MANAGEMENT CO ($103.3M), Assenagon Asset Management S.A. ($4.2M), Hennion & Walsh Asset Management, Inc. ($3.2M), M.E. ALLISON & CO., INC. ($782,768), KERR FINANCIAL PLANNING Corp ($776,529). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CONGRESS ASSET MANAGEMENT CO | $103.3M | 777,993 | Trimmed |
| 2 | Assenagon Asset Management S.A. | $4.2M | 31,896 | Trimmed |
| 3 | Hennion & Walsh Asset Management, Inc. | $3.2M | 24,150 | Trimmed |
| 4 | M.E. ALLISON & CO., INC. | $782,768 | 5,897 | Hold |
| 5 | KERR FINANCIAL PLANNING Corp | $776,529 | 5,850 | Trimmed |
| 6 | ROCKLAND TRUST CO | $663,169 | 4,996 | Hold |
| 7 | GAMMA Investing LLC | $549,411 | 4,139 | Trimmed |
| 8 | Balefire, LLC | $367,424 | 2,768 | Trimmed |
| 9 | TRUST POINT INC. | $311,011 | 2,343 | Trimmed |
| 10 | MOODY NATIONAL BANK TRUST DIVISION | $285,126 | 2,148 | Trimmed |
| 11 | Versant Capital Management, Inc | $164,996 | 1,243 | Trimmed |
| 12 | HARBOR INVESTMENT ADVISORY, LLC | $135,262 | 1,019 | New |
| 13 | MassMutual Private Wealth & Trust, FSB | $62,919 | 474 | Trimmed |
| 14 | CoreCap Advisors, LLC | $53,096 | 400 | New |
| 15 | Cedar Mountain Advisors, LLC | $15,265 | 115 | Hold |
| 16 | MJT & Associates Financial Advisory Group, Inc. | $9,956 | 75 | Added |
| 17 | Dogwood Wealth Management LLC | $1,327 | 10 | Hold |
| 18 | Byrne Asset Management LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30