SEC 13F Intelligence

Granahan Investment Management, LLC / RMBS*

Granahan Investment Management, LLC’s Rambus Inc Del Position

Does Granahan Investment Management, LLC own Rambus Inc Del (RMBS*)? Yes — 280.2K shares worth $24M (+1.17% of its 13F portfolio) as of Q1 2026, up from 265.5K shares the prior filed quarter.

Position Value
$24M
Q1 2026
Shares
280.2K
% of Portfolio
+1.17%
Quarters Held
8
currently held

Position History RMBS*

Reported value by quarter
Q2 ’24: $5MQ2 ’24Q3 ’24: $5MQ3 ’24Q4 ’24: $4MQ4 ’24Q1 ’25: $7MQ1 ’25Q2 ’25: $8MQ2 ’25Q3 ’25: $25MQ3 ’25Q4 ’25: $24MQ4 ’25Q1 ’26: $24MQ1 ’26filingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026280.2K$24M+1.17%
Q4 2025265.5K$24M+1.04%
Q3 2025238.4K$25M+1.02%
Q2 2025130.1K$8M+0.34%
Q1 2025128.7K$7M+0.33%
Q4 202482.6K$4M+0.18%
Q3 2024106.9K$5M+0.18%
Q2 202486.4K$5M+0.20%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Granahan Investment Management, LLC’s full portfolio or all institutional holders of RMBS*.