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Granahan Investment Management, LLC

Position in RMBS — Rambus Inc

CIK 1026710 WALTHAM, MA

Position in RMBS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$24,109,563
-$288,702 QoQ
Shares Held
280,246
+5.5% QoQ
Ownership
0.259%
of shares outstanding
% of Portfolio
1.17%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2024
8 quarters on record
Voting authority Sole 79% Shared 0% None 21%

Common Shares in RMBS Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Mar 31, 2026

Granahan Investment Management, LLC holds $185,840,512 across 11 Semiconductors names. RMBS ranks #3 (13.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 RMBS
Rambus Inc
This page
280,246 $24,109,563

All Filings in RMBS

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8 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $24,109,563 280,246
2025-12-31 $24,398,265 265,516
2025-09-30 $24,845,760 238,443
2025-06-30 $8,327,785 130,081
2025-03-31 $6,663,153 128,682
2024-12-31 $4,367,293 82,620
2024-09-30 $4,514,415 106,926
2024-06-30 $5,078,626 86,430