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OBERWEIS ASSET MANAGEMENT INC/

Position in RMBS — Rambus Inc

CIK 937886 LISLE, IL

Position in RMBS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$45,278,965
+$2,816,596 QoQ
Shares Held
526,316
+13.9% QoQ
Ownership
0.487%
of shares outstanding
% of Portfolio
1.35%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 97% Shared 0% None 3%

Common Shares in RMBS Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Mar 31, 2026

OBERWEIS ASSET MANAGEMENT INC/ holds $345,180,288 across 10 Semiconductors names. RMBS ranks #3 (13.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 RMBS
Rambus Inc
This page
526,316 $45,278,965

All Filings in RMBS

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6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $45,278,965 526,316
2025-12-31 $42,462,369 462,100
2025-09-30 $52,923,075 507,899
2025-06-30 $32,380,035 505,780
2025-03-31 $26,270,583 507,350
2024-12-31 $21,640,884 409,400