Institutional Ownership
Rambus Inc Del
CUSIP 750917106COMRMBSQ1 2026
13D / 13G Filings
23
Schedule 13D/13G on record
Beneficial Filers
6
Distinct reporting persons
Largest Stake
16.3%
Max % of class reported
Institutional Holders
544
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
23 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | T. Rowe Price Associates, Inc. | 13G | 5.0% | 5.39M | SEC |
| 2 | Jan 21, 2026 | Blackrock, Inc. | 13G/A | 14.0% | 15.06M | SEC |
| 3 | Aug 14, 2025 | T. Rowe Price Associates, Inc. | 13G/A | 4.4% | 4.69M | SEC |
| 4 | May 14, 2025 | T. Rowe Price Associates, Inc. | 13G/A | 8.1% | 8.75M | SEC |
| 5 | Feb 14, 2025 | T. Rowe Price Associates, Inc. | 13G | 5.1% | 5.45M | SEC |
| 6 | Nov 12, 2024 | Vanguard Group Inc | 13G/A | 11.7% | 12.56M | SEC |
| 7 | Nov 8, 2024 | Blackrock, Inc. | 13G/A | 12.7% | 13.69M | SEC |
| 8 | Nov 4, 2024 | Vanguard Group Inc | 13G/A | 11.7% | 12.56M | SEC |
| 9 | Oct 23, 2024 | Blackrock, Inc. | 13G/A | 12.7% | 13.69M | SEC |
| 10 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 10.6% | 11.38M | SEC |
13 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Rambus Inc Del.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 16.31M | $1.40B |
| 2 | Invesco Ltd. | 6.50M | $559.11M |
| 3 | State Street Corp | 4.37M | $376.26M |
| 4 | Fmr LLC | 3.32M | $285.49M |
| 5 | Geode Capital Management, LLC | 3.12M | $268.84M |
| 6 | Edgepoint Investment Group Inc. | 1.95M | $167.56M |
| 7 | Dimensional Fund Advisors LP | 1.80M | $154.42M |
| 8 | Jpmorgan Chase & Co | 1.84M | $146.42M |
| 9 | Swedbank Ab | 1.56M | $134.46M |
| 10 | Bank Of America Corp /De/ | 1.36M | $117.14M |