Rambus (RMBS) logo

Rambus (RMBS) stock

Pre-market
$75.89
+1.82%

Chips and designs, worth $7.5BAI chips

Close $74.53 +6.96%

As of 9:10 AM ET pre-market, delayed 15+ min · Live for Pro members

Why RMBS lags the market

Down 30% in a year while the S&P 500 rose 11%.

  • Revenue grew 27.1% a year from fiscal 2024 to fiscal 2025; its 5 peers' median grew 61.2% a year.

Sources: Price history, Nov 6, 2026; Annual reports, Dec 31, 2025; Peers' annual reports, Nov 6, 2026

Tell me next time RMBS moves

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1 more reason, free with an account →2 more reasons why RMBS lags the market, from its filings, with the other side, the timeline, and its peers, for Pro members.
Quality Score
0
Below Average
In its industry
#58of 84
Checks firing
1of 14
Trending down
From 52-week high
-57.2%
under its best in a year

RMBS's Quality Score fell 1 point on Fri, Nov 6, to 0. Trading went back to normal after a busy day.

See RMBS's 14 chart checksSee it live, free until tomorrow morning. No account. No card. Then keep going with a free account.

We do the work for you. Every stock is scored and ranked, every 15 seconds while the market is open. Here it's 15 minutes behind. Pro members see it live.

Key facts on RMBS

Key facts on RMBS
Holding it backMoves 8.7% a day with no profit behind it
Its scoreDown:Lowest Quality Score since Apr 2025 Scores before Sep 10, 2026 were rebuilt.
Latest filing8-K, Oct 26 Reported its quarterly results
1 more reason behind RMBS's 0, free with an account →2 more reasons behind RMBS's 0, for Pro members.

RMBS in the news

Chip stocks rose together

Fri Nov 6: Group

“U.S. chip stocks rebound sharply after Thursday's brutal selloff”

RMBS closed +7.0% that day.

Reported by Yahoo Finance · covered by 13 outlets

Get an alert on RMBS's next big story →

The move is what RMBS did that session, not a claim about why.

What moves chips

Big Tech spending$201.9B+108%in the quarter, Jul to Sepon a year

What Microsoft, Alphabet, Amazon, and Meta together spent on buildings and equipment, data centers included, in their latest quarter, against a year earlier. Capital spending as each reports it, not a count of chips bought.

Each company's quarterly report (10-Q) on SEC EDGAR, Jul to Sep. Change on the same period a year earlier.

TSMC monthly sales and US export rules, for Pro members.

RMBS catalysts

Coming up

After its last 4 reports it closed -11.3% on average, higher 0 of 4 times.

32 past catalysts since 2018, with sizes and sources, for Pro members.

Why RMBS scores 0

Below Averagefor quality, not price, 1 of 14 chart checks firingWhat the Quality Score means

  • −2Long-term trend below a falling 200-⁠day average, down over one year
  • +2Profit A profit of $230M in the year to Dec 31, 2025, up 28% from $180M the year before, from the SEC filingRead on the last four quarters against the four before, or the last full year where no quarters are filed.
  • Chart checks adds
  • Growth addsSales and margins against a year earlier: up to +3 for fast growth and widening margins, down to -2 when both shrink.
  • Volatility subtractsA daily range of 5% or more with nothing behind it (no profit or cash flow, sales shrinking, or 10% more shares outstanding with no free cash flow): -1, or -2 from 8%.

No effect today: Run-up, Size, Dilution, Cash flow, Persistence, and News.

What every line is worth, and the reason behind it, on RMBS and every other stock.Get in free →

Price, score, chart checks, and the industry rank are from a snapshot taken at 9:10 AM ET, at least 15 minutes behind. How we rank stocks.

Tested. Our top-scored stocks returned 2.2x the average stock over the next month. Reconstructed after the fact; recorded live since Sep 9, 2026. How we tested it

How RMBS ranks in Semiconductors

RMBS is #58 of 84 by Quality Score.

How RMBS ranks in Semiconductors
RankStockQuality Score
58Rambus (RMBS) logoRMBSRambus0

More in Semiconductors

When does RMBS report earnings, and what happens after?

Expected to report Mon Feb 1, after the close (in 84 days).

What an earnings report is: every 3 months, a company tells everyone how much it sold and earned. We read the figures, the outlook, and how the stock moved after.

What RMBS reported on Oct 26, 2026

The quarter

Sales of $218.3M, 22% more than a year ago; a profit of $0.69 a share, from $0.44.

“Cash, cash equivalents, and marketable securities as of September 30, 2026 were $776.9 million, a decrease of $48.0 million as compared to June 30, 2026, mainly due to $135.4 million paid for repurchases of common stock and $11.2 million paid for capital expenditures, partially offset by $102.5 million cash provided by operating activities.”

The quarter that ended Sep 30, from the company's press release

The press releaseThe filing on EDGAR

Where the sales came from

RMBS's results filing gives no sales by line in a table we read.

The outlook

The outlook the company gave, by period
MeasureFigure
Q4 2026
Revenue$227M to $233M

Figures as filed (SEC filing, Oct 26)

8 more outlook lines, for Pro members.

In the company's words

  • “Through ongoing execution on our roadmap and accelerating demand for our differentiated solutions, we expect an even stronger performance in Q4 and are well positioned to deliver long-term profitable growth and value for our stockholders.”

From its results filing (SEC filing · Oct 26)

The numbers

Market value
$7.5B
today

No analyst estimates on Breakaway: every figure here is filed.

The whole report on RMBS: every line of its sales, every outlook beside the one it replaced, and the company's words, for Pro members.

Close after the report, last 3

-21.3%-9.0%-1.6%
Apr 27Jul 27Oct 26
ReportedGapReaction5
days
Oct 26, 2026After close+3.2%-1.6%-7.0%
Jul 27, 2026After close-5.5%-9.0%-4.4%
Apr 27, 2026After close-17.6%-21.3%-21.1%

RMBS closed higher after 0 of its last 4 reports.

All 4 reports, and RMBS's Quality Score going into each

RMBS sales and profit by year

Sales and profit by year

Sales grew in six of the last seven years, to $708M in 2025. It made a profit in four of the eight years.

RMBS has 1 of 14 chart checks firing

Volume1 of 3 shown
Tight range1 of 3 shown
Buying1 of 3 shown
The other 10 checks on RMBS, and all 14 on every stock.Get in free →

RMBS RSI on Nov 6: 35.3, below its 50-day and 200-day averages

Not scored

RSI 35.3, MACD below signal, below both averages. Not scored.

The deep dive on RMBS

11 more findings on RMBS, each with its source, for Pro members.

RMBS insider trades

5 insiders sold $9.9M across 8 filings in the last 6 months. No open-⁠market buys on record. The newest:

SellNecip Sayiner$851KDirectorat $170.15 on Jun 3, filed Jun 3

All 8 insider filings on RMBS from the last six months, for Pro members.

All RMBS insider trades

RMBS's officers and directors

Officers and directors with a Form 4 in the last 12 months.

8 more officers and directors file at RMBS.

See insider trades by person

Which ETFs hold RMBS?

In ETFs: RMBS is 0.5% of SOXX, under 0.1% of FTEC, and under 0.1% of VGT, the most of the 24 funds Breakaway covers, by each fund's latest filing, Jun 30 to Aug 31, 2026.

About Rambus

Rambus Inc is a semiconductor company providing chips and silicon IP for data-intensive computing systems, focusing on data center and artificial intelligence (AI) infrastructure. The company is at the forefront of enabling the next era of AI-driven computing, addressing challenges of signal and power integrity at increasingly extreme data rates across the data center, edge, and client markets. It offers high-performance memory subsystems, with a balanced and diverse portfolio of products, IP, and patents that maximize performance and security in computationally intensive systems. The company operates in South Korea, Singapore, the United States, and other countries, with the majority of its revenue coming from South Korea.

791 employeesSan Jose, CArambus.com

What Rambus says it competes with

“The semiconductor industry is intensely competitive and is characterized by rapid technological change, short product life cycles, cyclical market patterns, price erosion, increasing foreign and domestic competition, market consolidation and geopolitical developments that increasingly impact business.”

From its annual report, SEC filing · Feb 18, 2026

Here is what Pro members see.

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  • 14 chart checks, read for you

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  • What would turn RMBS's score around: 6 things
  • 2 more filings explained, a plain line each
  • Real-⁠time prices, no delay
BreakawayJun 3Necip Sayiner sold RMBS$851K at $170.15, filed Jun 3

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Straight AnswersStraight Answers

As of Nov 9, 2026: RMBS's Quality Score is 0 (Below Average), #58 of 84 in Semiconductors. Insiders sold $9.9M in the last 6 months (Form 4).

What does RMBS's Quality Score say?

RMBS scores 0 today, which Breakaway calls Below Average. It is #58 of 84 in Semiconductors by Quality Score, with 1 of 14 chart checks firing. Down 30% in a year while the S&P 500 rose 11%. Breakaway does not say whether to buy any stock: the score does not know your situation, and it is not a recommendation to buy or sell anything. Please do your own research.

What is RMBS's Quality Score?

RMBS scores 0 today, which Breakaway calls Below Average (0 to 5). That is #58 of 84 in Semiconductors by Quality Score. The score adds up the chart checks, the trend, the company's filed sales, its profits, the news, insider trades, and Congress trades. The section above lists the lines behind RMBS's 0.

Are insiders buying RMBS?

5 insiders sold $9.9M across 8 filings in the last 6 months. No open-⁠market buys on record. The newest is Necip Sayiner, Director, who sold $851K on Jun 3. Every filing, with the scored weight, for Pro members.

Are the prices delayed?

Only on the public pages, which run at least 15 minutes behind. Pro members, and anyone on a guest pass, see real-time prices: the scanner refreshes every 15 seconds, and your watchlist every few seconds, pre-market and after hours included.

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The moves after past earnings reports are past behavior, not a forecast.

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Our top-scored stocks' record: Oct 2021 to Sep 2026, before costs. Recorded live since Sep 9, 2026.

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