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Rambus (RMBS) Stock Fundamentals, Analysis & Risk Signals

Health score, price, valuation, risk signals, and key metrics at a glance.

Rambus
NasdaqGS•Technology•Semiconductors
$85.94+0.06(<0.01%)Market open
Market Cap
$9.31B
P/E
38.8x
P/S
12.3x
P/B
6.3x

Rambus Inc. manufactures and sells semiconductor products in the United States, South Korea, Singapore, and internationally. It offers memory interface chips comprising DDR5 memory interface chips which include registering clock driver, multiplexed registering clock driver, multiplexed data buffer, power management integrated circuits, serial presence detect hubs, temperature sensors, and client clock driver products; and DDR4 memory interface chips. The company also provides silicon IP, such as interface and security IP solutions that move and protect data in advanced artificial intelligence, data center, government, and automotive applications; interface IP solutions for high-speed memory and chip-to-chip digital controller IP; security IP solutions, including crypto cores, hardware roots of trust, high-speed protocol engines, and chip provisioning technologies. In addition, it offers portfolio of patents that covers memory architecture, high-speed serial links, and security products. The company sells its products to memory module manufacturers, OEMs and hyperscalers, as well as to chip makers. It markets its products and services through its direct sales force and distributors. Rambus Inc. was incorporated in 1990 and is headquartered in San Jose, California.

A

How this company scores

ExcellentMetricSide Score: 80/100

Strongest: Cash & Earnings Quality (23/25); weakest: Balance Sheet & Red Flags (15/25).

Profitability22/25
Growth20/25
Balance Sheet & Red Flags15/25
Cash & Earnings Quality23/25
Strengths
Growing revenueStrong marginsHigh ROEInterest easily covered

No red flags in the last 8 quarters.

Valuation vs. 5-year range

Today's multiple positioned against its own trailing range — a visual premium/discount check.

P/E · 38.8x5y range 18.5x – 14904.1x
P/E 38.8x · near its 16-quarter median

Currently near its 16-quarter median.

P/S · 12.3x5y range 6.1x – 16.5x
P/S 12.3x · near its 20-quarter median

Currently near its 20-quarter median.

P/B · 6.3x5y range 2.8x – 8.7x
Price & Volume
Market Cap $9.31B

Metrics at a Glance

as of June 2026

Revenue & Profit

Revenue, EBITDA, operating income, net income, EPS, and shares

TTM Revenue
$756.33M
7Q
Q. Revenue
$207.38M
20%
TTM EBITDA
$280.73M
17%
TTM Op. Income
$268.57M
13%
Q. Op. Income
$72.73M
15%
TTM Net Income
$239.68M
5%
Q. Net Income
$67.61M
17%
EPS
$0.62
15%
Shares Out.
$108.43M
6Q
$756.33M in TTM revenue grew 17.2% YoY, reaching $207.38M last quarter. TTM EBITDA of $280.73M and TTM operating income of $268.57M show growth is flowing through to the bottom line. TTM net income of $239.68M means revenue is converting into profit. Across the last 8 quarters, TTM revenue has risen for 7 consecutive quarters — an improving trend.

Margins

Gross, EBITDA, operating, and net margin trends

Gross Margin
79.8%
2Q
EBITDA Margin
36.5%
5%
Op. Margin
35.1%
4%
Net Margin
32.6%
2Q
Op. margin of 35.1% is down 1.5% YoY — costs are rising relative to revenue. Net margin at 32.6% and gross margin of 79.8% show how much of each revenue dollar survives to profit. Over the past year, operating margin is down 4% — an improving trend.

Price Ratios

P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield

P/E Ratio
38.8x
29%
P/S Ratio
12.3x
15%
P/B Ratio
6.3x
13%
At 38.8x P/E, the stock trades above typical market levels — the market expects above-average growth. P/S of 12.3x and P/B of 6.3x provide additional context. Use the growth and margin sections to judge whether the multiple is justified. Over the past year, P/E is up 29% — a weakening trend.

Assets & Liabilities

Total assets, cash, debt, book value, and leverage

Total Assets
$1.61B
3Q
Cash
$87.73M
2Q
Long-Term Debt
N/A
Book Value
$1.47B
7Q
D/E Ratio
N/A
Debt/EBITDA
0.0

Cash Flow

Operating cash flow, free cash flow, FCF margin, and earnings quality

Op. Cash Flow
$61.25M
2Q
TTM Free Cash Flow
$299.54M
14%
FCF Margin
39.6%
2Q
FCF / Net Income
1.2
9%
TTM FCF of $299.54M on $61.25M in operating cash flow. The FCF / Net Income ratio of 1.2x means free cash flow covers net income — earnings are backed by cash. Over the past year, free cash flow is up 14% — a weakening trend.

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Currently near its 20-quarter median.