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Rambus Inc (RMBS) stock

RMBSNasdaqSemiconductors & Related DevicesFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 26, 2026Score 12/300% below fair value
$84.97−0.39 (-0.46%)

Close on Nov 12, 2026Market cap $9.10BP/E 35.0Yield –

Rambus statistics

100 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings
Feb 1, 2027 (estimated, after the close)
Last ex-dividend date
No dividends
Fundamentals through
Sep 30, 2026
Share price as of
Nov 12, 2026

Valuation ratiosIndustry

Market Cap
$9.10B
$844.71M
Enterprise Value
$8.32B
$944.99M
PE Ratio
34.97
34.12
PS Ratio
11.43
2.98
PB Ratio
6.42
2.83
P/TBV Ratio
8.09
3.58
P/FCF Ratio
29.08
34.64
P/OCF Ratio
26.24
23.41

Enterprise valuationIndustry

EV / Sales
10.45
2.44
EV / EBITDA
27.64
20.42
EV / EBIT
28.80
26.07
EV / FCF
26.60
31.79

Share statisticsIndustry

Shares Change (YoY)
0.89%
2.33%
Shares Change (QoQ)
-1.26%
0.21%
Float
106M
50M
Shares Held by Insiders
0.78%
5.32%
Shares Held by Institutions
94.0%
61.6%

Short sellingIndustry

Short Interest
4M
–
Short Interest Change
4.36%
-0.74%
Short % of Float
4.21%
6.78%
Short % of Shares Outstanding
4.18%
5.10%
Days to Cover
2.06
3.58

Stock price statisticsIndustry

52-Week High
$174.10
–
52-Week Low
$68.19
–
20-Day Moving Average
$85.68
–
50-Day Moving Average
$92.62
–
200-Day Moving Average
$106.47
–
Average True Range (14)
$6.35
–
Price Change (1 Week)
21.9%
8.87%
Price Change (1 Month)
-7.75%
-9.03%
Price Change (3 Months)
-15.7%
-25.0%
Price Change (6 Months)
-34.9%
-34.6%
Price Change (YTD)
-7.53%
1.08%
Price Change (1 Year)
-19.0%
-0.41%
Price Change (3 Years)
35.7%
27.4%
Price Change (5 Years)
254.2%
-28.5%
Price Change (10 Years)
558.2%
111.7%
Average Volume (10 Days)
2M
–
Average Volume (20 Days)
2M
–
Average Volume (90 Days)
2M
–
Relative Volume
0.33
0.80
Relative Strength Index (14)
47.0
44.5
Volatility (1 Year)
79.8%
82.1%
Beta (5 Years)
1.75
1.39

MarginsIndustry

Gross Margin
79.1%
34.6%
Pretax Margin
39.7%
2.97%
Profit Margin
33.4%
-0.51%
EBITDA Margin
37.8%
4.94%
FCF Margin
39.3%
2.73%

Returns on capitalIndustry

Return on Equity (ROE)
19.6%
-0.17%
Return on Assets (ROA)
17.9%
-1.58%
Return on Invested Capital (ROIC)
38.7%
1.66%
Return on Capital Employed (ROCE)
20.0%
0.42%

Financial positionIndustry

Current Ratio
9.38
2.38
Quick Ratio
8.20
1.32
Interest Coverage
244.89
0.05

GrowthIndustry

Revenue Growth (YoY)
17.3%
13.8%
Net Income Growth (YoY)
16.2%
14.8%
EPS Growth (YoY)
15.7%
19.7%
FCF Growth (YoY)
7.03%
12.6%
Revenue Growth (3Y CAGR)
15.9%
1.79%
Revenue Growth (5Y CAGR)
23.5%
7.18%

EfficiencyIndustry

Asset Turnover
0.54
0.66
Inventory Turnover
2.52
3.04
Revenue Per Employee
$1.01M
$373.11K
Profits Per Employee
$336.12K
-$6.97K
Employee Count
791
534
WACC
13.6%
11.3%

Income statement (TTM)Industry

Revenue
$796.11M
$338.73M
Gross Profit
$630.02M
$99.67M
Operating Income
$288.97M
-$314.66K
Pretax Income
$315.86M
$831.50K
Net Income
$265.87M
-$1.22M
EBITDA
$301.14M
$2.84M
EPS (Diluted)
$2.43
-$0.01

Balance sheetIndustry

Net Cash (Debt)
$776.91M
$7.36M
Net Cash Per Share
$7.25
$0.30
Equity (Book Value)
$1.42B
$200.69M
Book Value Per Share
$13.24
$5.54
Tangible Book Value
$1.13B
$63.99M
Working Capital
$939.34M
$143.99M

Cash flow (TTM)Industry

Operating Cash Flow
$346.76M
$3.17M
Capital Expenditures
-$33.82M
-$18.11M
Free Cash Flow
$312.93M
$4.22M
FCF Per Share
$2.92
$0.21

Dividends and yieldsIndustry

Earnings Yield
2.92%
-0.24%
FCF Yield
3.44%
0.82%
Buyback Yield
1.53%
0.45%
Shareholder Yield
1.53%
0.92%

Taxes and interestIndustry

Interest Expense
$1.18M
$9.10M
Income Tax
$49.99M
$3.09M
Effective Tax Rate
15.8%
18.5%

Scores and fair valueIndustry

Graham Number
$26.90
$33.09
Graham Upside
-68.3%
-60.9%
Altman Z-Score
40.96
2.80
Piotroski F-Score
6
5
Beneish M-Score
-2.93
-2.57

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.

PeriodRMBSS&P 500DifferenceRMBS per yearS&P 500 per year
1 month-15.9%-2.7%−13.2 pts
3 months-15.9%-1.7%−14.1 pts
Year to date-7.5%+11.9%−19.4 pts
1 year-16.9%+12.0%−28.9 pts
3 years+35.5%+78.2%−42.6 pts+10.7%+21.2%
5 years+254.2%+73.2%+181.0 pts+28.8%+11.6%
10 years+558.2%+309.6%+248.5 pts+20.7%+15.1%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

4M RMBS shares were sold short on Oct 30, 2026, up 4.4% from the previous report, or 4.21% of the shares available to trade. At recent volumes it would take 2.1 days to buy them back. Over the last 20 sessions, 37.4% of the volume reported to FINRA was short selling.

Settlement dateShares shortChangeAvg. daily volumeDays to cover
Oct 30, 20264,474,661+4.4%2,174,6442.1
Oct 15, 20264,287,851-10.4%1,494,2212.9
Sep 30, 20264,784,389-23.1%3,297,3981.4
Sep 15, 20266,222,309+2.7%1,933,7033.2
Aug 31, 20266,060,909+11.6%1,932,0433.1
Aug 14, 20265,432,091+32.9%1,917,8352.8
Jul 31, 20264,087,131-10.8%3,171,5241.3
Jul 15, 20264,581,716-6.1%2,838,3321.6
Jun 30, 20264,878,765-36.5%4,603,6821.1
Jun 15, 20267,682,296+6.2%2,780,9472.8
May 29, 20267,232,931-5.2%2,030,6533.6
May 15, 20267,632,626+11.0%2,276,3533.4

Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.

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