Rambus, Inc.

Historical 13F Holders

Symbol
RMBS
CUSIP
750917106
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 750917106 since 12/18/2024, newest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A Amendment 6 12.2% 7/29/2026
Event 6/30/2026
FMR LLC 13G
10.4% 6/5/2026
Event 5/29/2026
Price T Rowe Associates Inc /MD/ 13G/A Amendment 1 3.1% 5/15/2026
Event 3/31/2026
Invesco Ltd. 13G 6.0% 5/6/2026
Event 3/31/2026
Vanguard Capital Management LLC 13G 5.2% 4/30/2026
Event 3/31/2026
Vanguard Portfolio Management LLC 13G 6.2% 4/29/2026
Event 3/31/2026
Vanguard Group Inc 13G/A Amendment 16 0% 3/27/2026
Event 3/13/2026
Price T Rowe Associates Inc /MD/ 13G 5.0% 2/17/2026
Event 12/31/2025
BlackRock, Inc. 13G/A Amendment 5 14.0% 1/21/2026
Event 12/31/2025
Price T Rowe Associates Inc /MD/ 13G/A Amendment 2 4.4% 8/14/2025
Event 6/30/2025
Price T Rowe Associates Inc /MD/ 13G/A Amendment 1 8.1% 5/14/2025
Event 3/31/2025
Price T Rowe Associates Inc /MD/ 13G 5.1% 2/14/2025
Event 12/31/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 49 739 k $75.8 M
2026 Q2 655 117 M $13.4 B
2026 Q1 575 103 M $8.82 B
2025 Q4 583 99.9 M $9.18 B
2025 Q3 550 101 M $10.6 B
2025 Q2 485 97.5 M $6.24 B
2025 Q1 439 99.5 M $5.20 B
2024 Q4 423 95.1 M $5.02 B
2024 Q3 406 97.4 M $4.12 B
2024 Q2 396 104 M $6.10 B
2024 Q1 409 106 M $6.55 B
2023 Q4 440 107 M $7.29 B
2023 Q3 385 99.7 M $5.56 B
2023 Q2 432 97.8 M $6.27 B
2023 Q1 366 96.1 M $4.92 B
2022 Q4 322 98.2 M $3.50 B
2022 Q3 256 93.7 M $2.38 B
2022 Q2 265 96.1 M $2.07 B
2022 Q1 300 94.2 M $3.00 B
2021 Q4 283 95.9 M $2.81 B
2021 Q3 256 93.4 M $2.07 B
2021 Q2 239 97.4 M $2.31 B
2021 Q1 232 95.8 M $1.86 B
2020 Q4 249 101 M $1.76 B
2020 Q3 218 95.1 M $1.30 B
2020 Q2 226 95.8 M $1.46 B
2020 Q1 199 94.5 M $1.05 B
2019 Q4 198 96.3 M $1.33 B
2019 Q3 216 91.4 M $1.20 B
2019 Q2 206 89.8 M $1.08 B
2019 Q1 193 87.6 M $916 M
2018 Q4 204 88.2 M $677 M
2018 Q3 202 90.1 M $983 M
2018 Q2 191 89.9 M $1.13 B
2018 Q1 206 91.3 M $1.23 B
2017 Q4 193 89.9 M $1.28 B
2017 Q3 188 86.3 M $1.15 B
2017 Q2 178 85.2 M $974 M
2017 Q1 179 89.9 M $1.18 B
2016 Q4 195 89.8 M $1.24 B
2016 Q3 196 87.9 M $1.10 B
2016 Q2 185 84.2 M $1.02 B
2016 Q1 183 91.3 M $1.26 B
2015 Q4 181 91.2 M $1.06 B
2015 Q3 162 86.9 M $1.03 B
2015 Q2 143 84.9 M $1.23 B
2015 Q1 144 80.0 M $1.01 B
2014 Q4 170 79.9 M $886 M
2014 Q3 161 78.0 M $973 M
2014 Q2 168 80.6 M $1.15 B
2014 Q1 149 71.1 M $765 M