Shannon River Fund Management LLC

Position in RMBS — Rambus Inc

CIK 1301050 NEW YORK, NY

Position in RMBS

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$38,721,983

+$10,003,707 QoQ

Shares Held

291,713

-12.6% QoQ

Ownership

0.270%

of shares outstanding

% of Portfolio

3.46%

of 13F equity value

Holder Rank

#52

of 615 holders

Holding Since

Jun 2021

8 quarters on record

Voting authority Sole 81% Shared 0% None 19%

Technology · as of Jun 30, 2026

Shannon River Fund Management LLC holds $208,642,366 across 5 Semiconductors names. RMBS ranks #3 (18.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TSEM	Tower Semiconductor Ltd	382,933	$99,807,657
2	AMD	Advanced Micro Devices Inc	105,751	$61,431,813
3	RMBS	Rambus Inc This page	291,713	$38,721,983
4	MU	Micron Technology Inc	4,484	$5,175,836
5	MXL	Maxlinear, Inc	27,377	$3,505,077

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$38,721,983	291,713	-12.6%	Shares	Sole	2026-08-13
2026-03-31	$28,718,276	333,817	-54.9%	Shares	Sole	2026-05-14
2022-09-30	$18,810,494	739,988	-18.7%	Shares	Sole	2022-11-14
2022-06-30	$19,567,848	910,556	+16.5%	Shares	Sole	2022-08-15
2022-03-31	$24,933,355	781,855	-16.0%	Shares	Sole	2022-07-20
2021-12-31	$27,361,296	930,973	+26.2%	Shares	Sole	2022-02-14
2021-09-30	$16,383,000	737,973	0.0%	Shares	Sole	2021-11-15
2021-06-30	$17,497,339	737,973	—	Shares	Sole	2021-08-16
No filing history on record for this holder in this stock.