How profitable is Rambus Inc. (RMBS)?

In FY 2025 (10-K), RMBS converted $707.6M of revenue into a 79.6% gross margin, 36.8% operating margin, and $333.2M in free cash flow (47.1% FCF margin).

Stock Ratings / Technology / RMBS / financials

AMKR (48) SLAB (65) VIAV (48) SIMO (48) ⌘ Pro Terminal →

Rambus Inc. (RMBS) Revenue-to-Profit Sankey Flow & SEC XBRL Financials

$84.01 -0.76% NASDAQ • Live Quote vs Prior Daily Close (Synced Snapshot) EXT / AFTER-HRS: $83.74

Rambus Inc. (RMBS) carries a Roarable Rating of C- (Hold) with 59/100 RQD Confidence. The composite score sits in the neutral Hold band (59–69), meaning current holders don’t need to panic-sell while prospective buyers can wait for a move into the 70+ Buy zone.

📊 Historical Track Record: Scores of 59/100 (C-) historically posted market-perform odds over rolling 90-day windows (+0.2% avg 90D alpha vs SPY) →

ROARABLE C- • HOLD / WATCH Cap $9.07B

📤 Share Live RQD Speedometer Card: 𝕏 Post Reddit StockTwits ⬇ Live SVG Card

⚡ INSTANT AI QUANT PREVIEW • $0 FREE TIER Click Any Pre-Computed AI Quant Specialist Briefing on RMBS Below — or Connect Your Own ChatGPT / Claude

🤖 Mara Quenwick • AI Quant Lead (Click for Instant Brief) Is RMBS stock a Buy, Hold, or Sell right now according to Roarable's RQD model?

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As of 2026-11-03, Rambus Inc. (NASDAQ: RMBS) is rated C- (Hold / HOLD) by Roarable's 5-pillar RQD engine with a composite confidence score of 59/100 at a spot price of $84.01 (-0.76% 1D, market cap $9.07B). Pillar breakdown: Fundamental Cash Engine 17/20, Institutional 13F & Options Flow 5/20, Executive Insider Alignment 16/20, FRED Macro Regime Fit 9/20, and SEC Balance-Sheet Forensics 12/20. Across 714 tracked Technology issuers, RMBS ranks #223 in composite RQD confidence.

✓ Pre-computed one-to-many AI Quant brief

🤖 Ellis Vennor • AI Peer & Flow Quant (Click for Instant Brief) How does RMBS compare to AMKR and SLAB in the Technology sector?

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Within the Technology sector (Semiconductors), RMBS carries a Roarable C- (59/100 RQD), trailing P/E of 42.3x, gross margin of 79.6%, and ROIC of 16.4%. By comparison, AMKR (Amkor Technology Inc.) holds a D grade (48/100 RQD, P/E 27.3x, ROIC 8.4%, cap $9.79B) and SLAB (Silicon Laboratories Inc.) posts a C grade (65/100 RQD, P/E N/A, ROIC -6.9%, cap $7.42B). Among the 5-stock peer group, AMKR leads on earnings multiple (27.3x) while RMBS leads on capital efficiency (16.4% ROIC).

✓ Pre-computed one-to-many AI Quant brief

🤖 Gideon Ashmere • AI SEC 10-K Forensics (Click for Instant Brief) What are the biggest fundamental strengths and SEC risk factors for RMBS?

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Per RMBS's SEC EDGAR XBRL 10-K filing (FY2025, filed 2025-12-31, CIK 0000917273), Rambus Inc. generated $707.6M in revenue (+27.1% YoY), $230.5M in net income, and $333.2M in free cash flow against $1.53B in total assets and $74.3M in total debt. Key quantitative strengths: Strong cash generator (80% profit margin)—profits are backed by real money, not accounting tricks.. Primary risk factors monitored: Sensitive to high interest rates and tighter Federal Reserve market liquidity.. Institutional options positioning shows a 50% call / 50% put premium split.

✓ Pre-computed one-to-many AI Quant brief

🤖 AI Quant Disclosure: Roarable Analysts are proprietary AI Quant Specialists — not human financial advisors. Pre-computed one-to-many briefings above are free; interactive 1-on-1 Q&A, custom AI sifting/indicator alerts, and personal ChatGPT/Claude MCP connections require a $9.95/mo Pro account (currently waitlist-only).

INTERACTIVE SCENARIO DECK:

🛡️ Portfolio Crash X-Ray

EXT / AFTER-HRS: $83.73 (-0.33%)🧬 Cannibal Buyback (-1.24% YoY Shares)⚙️ Cash Engine: 17/20 (A-) • 47.1% FCF Margin

Verify 90D Bucket Audit →

📊 Historical Track Record: Scores of 59/100 (C-) historically posted market-perform odds over rolling 90-day windows (+0.2% avg 90D alpha vs SPY • 53.1% hit rate — wait for RQD ≥ 70 breakout).

Audit Bucket Track Record →

RQD QUANT TACHOMETERHOLD / WATCH • C-

2-of-3 JEV AI Jury Bullish

Cash

SEC

Whale

Impersonal quantitative research (0–100 RQD rubric) — not individualized investment advice. Past performance does not guarantee future results. Full Disclaimer

5-PILLAR SNOWFLAKE RADARRw D+ · Rk C

Each axis scored 0–20

12M PRICE TARGET CONE+0.5% Base Target

WHALE OPTIONS SNAPSHOT: — (No Active Options Snapshot on file for RMBS)Realized 20D OHLCV Swing Band: ±11.3%

Deterministic 5-Pillar Attribution (59/100 Composite)

🔍 WHY RMBS SCORES 59/100 (C-) — TOP 3 DRIVERS2 Bullish Pillars + #1 Risk Drag

▲ #1 Bullish Driver: Cash Engine Quality+17/20 pts (29% of score)

SEC XBRL FY 2025 (10-K): 47.1% FCF Margin ($333.2M FCF) & 79.6% Gross Margin

▲ #2 Bullish Driver: SEC 10-K Forensic Risk+16/20 pts (27% of score)

Altman Z-Score 26.00 (FORTRESS SAFE (>3.0)) • Piotroski F-Score 8/9

▼ #1 Drag / Risk Factor: Whale & Options Positioning5/20 pts (-15 pt drag)

Put hedging (50% put share) caps near-term gamma upside (-15 pts vs max)

📈 PAST 4 QUARTERS RQD vs SUBSEQUENT RETURNQ1 → Q2 → Q3 → Current

Q1 (-3Q)

Grade B-$92.11+0.7% Next Q

Q2 (-2Q)

Grade C+$92.80-1.9% Next Q

Q3 (-1Q)

Grade C+$91.03-7.7% Next Q

Current

Grade C-$84.01+0.2% Hist 90D α

Trajectory: B- (67) → C- (59)Full Audit →

⚔️ ADVERSARIAL OPPOSING CASE & FORENSIC KILL-SWITCH (WHY THE BULL/BEAR THESIS COULD FAIL)GIDEON ASHMERE // FORENSIC SHORT & KILL-SWITCH DOSSIER

⚔️ Adversarial Opposing Case: Why the RMBS Bull Thesis Could Fail

Gideon Ashmere Forensic Desk →

Even with a 59/100 (C-) score, RMBS faces multiple-compression risk if 42.3x trailing P/E re-rate toward historical sector medians or if hyperscaler/enterprise customer concentration slows in upcoming 10-Q filings.

⚠️ Forensic Kill-Switch #1

Sensitive to high interest rates and tighter Federal Reserve market liquidity.

⚠️ Forensic Kill-Switch #2

Priced at 42x earnings—high expectations leave less room for a lukewarm quarter.

⚠️ Forensic Kill-Switch #3

Technical & Forensic Kill-Switch: A daily close below the 50D SMA ($93.79) or 200D SMA ($107.75) invalidates the momentum regime and cuts Target Base ($84.39) toward Bear Floor ($65.82).

🎲 LIVE PREDICTION MARKET ODDS TIED TO $RMBS• $4.8M Crowd Pool • Kalshi / Polymarket Composite

Contract: “RMBS Beats Next Quarterly Revenue & EPS Consensus + Hyperscaler AI CapEx Holds Record Pace”

YES 59%NO 41%Trade / Inspect Odds →

VISUAL REVENUE-TO-PROFIT SANKEY WATERFALL • FY 2025 (10-K)

How RMBS Turns Every Dollar of Sales Into Real Bottom-Line Profit

Free Cash Flow:$333.2M (47.1% FCF Margin)

Multi-Year SEC EDGAR XBRL Revenue, Net Profit & Free Cash Flow Trajectory

■ Revenue■ Net Profit■ Free Cash Flow

FY23

Rev $430.2M

FY24

Rev $556.6M

FY25

Rev $707.6M

Fiscal Year	Revenue	Gross Margin	Op Margin	Net Profit	Free Cash Flow	ROIC %
FY 2025	$707.6M	79.6%	36.8%	$230.5M	$333.2M	16.4%
FY 2024	$556.6M	80.2%	32.9%	$179.8M	$199.9M	12.9%
FY 2023	$430.2M	0%	35.7%	$333.9M	$195.8M	3.7%

ON-DEMAND RQD QUANT WORKSHOP • SPONSORED / PARTNER SPOTLIGHTHosted by Perry Belcher & Roarable Forensic Quant Desk

Red-Light Warning Desk: Spotting SEC Cash-Flow & Dilution Risks Before Downgrades (Featuring RMBS)

✓Walkthrough of RMBS's RQD Radar, SEC cash-conversion gap & downside invalidation levels
✓3 asymmetric Bear/Hedge frameworks when 10-year Treasury yields stay elevated
✓Includes nightly RQD rating-change & forensic signal email alerts on your tracked stocks

RQD INSIDER CLUB WAITLIST$49/YR PLANNED

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RMBS // CANDLESTICK & AUTO-TRENDLINE WORKSTATION6M: -24.65%🛡️ HOLDING TREND SUPPORT

2026-11-03O $90.99H $90.99L $84.01C $84.01VOL 2.53M

RES: $120.4SUP: $76.86SMA50: $93.79SMA200: $107.8

PRIMARY-SOURCE FORENSICS, SECOND-ORDER LINKS & AI ANALYST DESK

RMBS Dilution Monitor, Expectations Hurdle, Butterfly Connections & Policy Exposure

🦋 RMBS Butterfly Map → + Track RMBS →

Share Count & Dilution Monitor (#25)

Multi-year comparable XBRL diluted share count not disclosed (ETF or recent listing).

Reverse-DCF Expectations Hurdle (#30)

31.9%/yr Implied 5Y Growth

vs. -3.3% actual YoY revenue growth (assuming 9.25% cost of equity & 16.5x terminal multiple).

Ellis Vennor Setup Ledger (#33)

No active Ellis Vennor swing setup published on RMBS today. View full Setup Ledger →

🦋 Documented & Second-Order Butterfly Connections Open Graph →

No direct multi-tier Butterfly edges indexed yet for RMBS. Explore sector supply chains on /butterfly.

AI Analyst Theses, Washington Policy & Company Video

🎬 No recent verified company-specific video clip queued for RMBS today (we never pad ticker pages with unrelated generic clips). Browse Macro Video Desk →

DETERMINISTIC MULTI-FACTOR EQUITY AUDIT • SEC EDGAR XBRL × RQD PEER BENCHMARK

📊 Quantitative Sector Peer Comparison, SEC Filing Delta & Investment FAQ (RMBS)

Technology Rank #223 of 714 ⚔️ AMKR vs RMBS Full Matrix →

1. Head-to-Head Technology Peer Comparison (RMBS vs. AMKR, SLAB, VIAV, SIMO)

Industry: Semiconductors (95 Tracked Issuers)

Across 714 tracked Technology securities in the Roarable RQD universe, Rambus Inc. (RMBS) ranks #223 by composite RQD confidence (59/100, grade C-) and #153 by equity capitalization ($9.07B). Within this direct 5-issuer industry benchmark cohort, AMKR leads on earnings valuation at 27.3x trailing P/E, while RMBS leads on capital efficiency and profitability with 16.4% ROIC and 79.6% gross margin. SLAB currently holds the highest overall quantitative score in the immediate peer group at 65/100 (C) compared with RMBS at 59/100 (C-).

Ticker / Company	Roarable Grade	RQD Score	Trailing P/E	Gross Margin	ROIC	1D Change	Market Cap	Head-to-Head
RMBS ACTIVE Rambus Inc.	C-	59/100	42.3x	79.6%	16.4%	-0.76%	$9.07B	Benchmark Subject
AMKR Amkor Technology Inc.	D	48/100	27.3x	14.0%	8.4%	-6.43%	$9.79B	/amkr-vs-rmbs →
SLAB Silicon Laboratories Inc.	C	65/100	—	58.2%	-6.9%	-0.16%	$7.42B	/slab-vs-rmbs →
VIAV Viavi Solutions Inc.	D	48/100	—	57.7%	9.4%	-7.09%	$7.41B	/viav-vs-rmbs →
SIMO Silicon Motion Technology Corporation	D	48/100	63.0x	48.3%	9.3%	-9.94%	$7.07B	/simo-vs-rmbs →

2. Multi-Year SEC XBRL Revenue, Cash Flow & Balance-Sheet Trajectory (FY2023–FY2025)

SEC EDGAR 10-K • FILED 2025-12-31 • CIK 0000917273

In its most recent audited fiscal period (FY2025, filed 2025-12-31), Rambus Inc. (RMBS) reported GAAP revenue of $707.6M (+27.1% vs. FY2024 revenue of $556.6M , and +64.5% cumulative change since FY2023) , GAAP net income of $230.5M, operating cash flow of $360.0M, and free cash flow of $333.2M (+66.7% YoY). On the balance sheet, RMBS closed FY2025 with $1.53B in total assets against $74.3M in total debt (Altman Z-Score: 26.00, Piotroski F-Score: 8/9).

Fiscal Period	Filing Date	Revenue	Net Income	Operating Cash Flow	Free Cash Flow	Total Assets	Total Debt
FY2025 (FY)	2025-12-31	$707.6M	$230.5M	$360.0M	$333.2M	$1.53B	$74.3M
FY2024 (FY)	2024-12-31	$556.6M	$179.8M	$230.6M	$199.9M	$1.34B	$100.1M
FY2023 (FY)	2023-12-31	$430.2M	$333.9M	$195.8M	$195.8M	$5.36B	$1.25B

3. RMBS Data-Verified Investor FAQ (RQD Rating, Sector Peers, SEC Forensics & Technicals)

✓ SCHEMA.ORG FAQPAGE JSON-LD ENABLED

Is RMBS stock a Buy, Hold, or Sell right now according to Roarable's RQD model?

How does RMBS compare to AMKR and SLAB in the Technology sector?

What are the biggest fundamental strengths and SEC risk factors for RMBS?

Where is RMBS trading relative to its 50-day, 200-day, and 52-week technical levels?

RMBS last traded at $84.01 (-0.76% on volume of 1,794,526 shares), positioning the stock -10.43% below its 50-day simple moving average ($93.79) and -22.03% below its 200-day simple moving average ($107.75). Across its 52-week range of $77.89 to $174.10, RMBS sits at the 6.4% percentile with a 14-day RSI of 40.2 (NEUTRAL RANGE) and an implied next-earnings move of ±11.3% ($74.52 to $93.50).

Direct Sub-Reports: RMBS RQD Cockpit RMBS 12M Forecast RMBS Earnings & Move RMBS Dividends & DRIP RMBS Insiders & 13F RMBS Whale Options RMBS Profit Sankey RMBS News & Why

ROARABLE RATING BRIEF • RQD 59/100 (C-) ✓ STAGE-C NUMBER FIREWALL VERIFIED

RMBS — Rambus Inc.: What the Facts Mean to a Prospective Investor

Engine: anthropic/claude-haiku-5.5

As of: 2026-11-02T15:16:47Z

1. Roarable Rating Brief: What This Means to a Prospective Investor

RMBS scores 62 out of 100, grade C, labeled "Roarable Hold — Fair / Balanced Risk-Reward." The five pillars are:

Fundamental Cash Engine: 17 / 20. The strongest pillar, citing ROIC of 16.4% and FCF yield of 3.42%. For a prospective investor, this indicates the business generates solid returns on invested capital, though the 3.42% FCF yield implies the market is pricing in substantial future growth relative to current free cash flow.
Whale / 13F Flow: 7 / 20. Weak. The pillar reflects institutional accumulation and options positioning, and its low score suggests limited evidence of strong institutional conviction in the source data.
Insider Conviction: 12 / 20. Moderate. Per the rating, SEC Form 4 and Congressional PTR cluster flow is mixed rather than decisively bullish or bearish.
Macro Regime Fit: 10 / 20. Below midpoint. A beta of 1.22 means the stock has historically amplified broader market moves, which raises sensitivity to a risk-off environment.
Forensic Balance Sheet: 16 / 20. Strong. Per the rating, Altman Z is 26, Piotroski F is 8/9, and Debt/Equity is 0.05, indicating low balance-sheet risk.

Investor implications: the upside case rests on the cash-generation and balance-sheet strength, while valuation (P/E of 42.3 TTM, EV/EBITDA of 34) and high beta are the main tradeoffs. The shares trade near the lower-middle of a 52-week range of $77.89 to $174.1, a context in which the rating's "balanced" verdict reflects offsetting strengths and weaknesses rather than a clear directional signal. This is educational analysis, not personalized advice.

2. Business Model, Unit Margins & SEC Financial Trajectory

Rambus Inc. Is a NASDAQ-listed issuer in the Technology sector, Semiconductors industry..7B. Per the market data, its gross margin is 79.6%, operating margin 36.8%, and net margin 32.6%. —: a detailed description of products, customers, or revenue model.

FY 2025 revenue of $707.6M grew from $556.6M in FY 2024, with operating income rising from $183.0M to $260.2M. Net income in FY 2023 ($333.9M) exceeds operating income ($153.6M) and the source does not explain the difference. Debt fell from $1.25B in FY 2023 to $74.3M in FY 2025. ROIC is 16.4%, Altman Z is 26, and Piotroski F is 8/9. —: EPS for any reported period.

3. Institutional Bull vs. Bear Thesis & Valuation Tradeoff

🐂 Primary Bull Case: Strong cash generation and balance sheet (ROIC 16.4%, Altman Z 26, Piotroski F 8/9, Debt/Equity 0.05) with FY 2025 revenue growing to $707.6M. With Fundamental Cash Engine at 17/20 (ROIC 16.4%, FCF yield 3.42%) and Institutional Whale Flow at 5/20, sustained execution supports upside toward the top of the $77.89 – $174.10 52-week range.
🐻 Primary Bear Case: Valuation is demanding at 42.3x TTM P/E and 34x EV/EBITDA, with a beta of 1.22 and weak institutional flow (7/20 whale pillar). Investors must weigh 42.3x trailing P/E and 34.0x EV/EBITDA against 36.8% operating margins and a 1.22 macro beta if sector demand softens.

4. 2nd-Order Butterfly Ripples & Key Questions to Watch

—: upstream suppliers, downstream customers, or sector correlations for RMBS.

Key Question #1: What drove the drop in reported debt from $1.25B (FY 2023) to $74.3M (FY 2025), and what drove the FY 2023 revenue figure of —?
Key Question #2: Why is FY 2023 net income ($333.9M) above operating income ($153.6M)?
Key Question #3: What is the EPS for each reported fiscal year, given that the financials show N/A?

RMBS Live News Feed, Press Releases & Catalyst Wire

Real-time company headlines, analyst actions, and sector developments for Rambus Inc. (RMBS) • Click "Debate This Headline" to argue it in the Roar Pit below

💬 Jump to RMBS Debate Forum (3) ↓

🟡 MARKET WIRE Yahoo Finance • 20h ago

Is Rambus (RMBS) a Good AI Stock to Buy Now?

Yahoo Finance report covering Rambus Inc. (RMBS) market action, institutional positioning, and fundamental catalysts.

Read Full Source ↗

🟡 MARKET WIRE Trefis • 23h ago

Should You Buy The Dip In Rambus Stock?

Trefis report covering Rambus Inc. (RMBS) market action, institutional positioning, and fundamental catalysts.

Read Full Source ↗

🟡 MARKET WIRE StockInvest.us • 1d ago

Rambus Stock Price Forecast. Should You Buy RMBS?

StockInvest.us report covering Rambus Inc. (RMBS) market action, institutional positioning, and fundamental catalysts.

Read Full Source ↗

🟡 MARKET WIRE GuruFocus • 1d ago

Rambus Inc (RMBS) Stock Down 6.0% -- Now Undervalued? GF Score: 90/100

GuruFocus report covering Rambus Inc. (RMBS) market action, institutional positioning, and fundamental catalysts.

Read Full Source ↗

🟡 MARKET WIRE Yahoo Finance • 1d ago

Rambus (RMBS) Stock Looks Stretched Following New AI Memory Chip News

Yahoo Finance report covering Rambus Inc. (RMBS) market action, institutional positioning, and fundamental catalysts.

Read Full Source ↗

🟡 MARKET WIRE Benzinga • 1d ago

Jim Cramer Doesn’t Like This Health Care Stock, Sees No Reason To Buy Rambus - Rambus (NASDAQ:RMBS)

Benzinga report covering Rambus Inc. (RMBS) market action, institutional positioning, and fundamental catalysts.

Read Full Source ↗

🟡 MARKET WIRE Simply Wall St • 1d ago

Rambus (RMBS) Stock Looks Stretched With Earnings Needing To Catch Up

Simply Wall St report covering Rambus Inc. (RMBS) market action, institutional positioning, and fundamental catalysts.

Read Full Source ↗

🟡 MARKET WIRE Seeking Alpha • 1d ago

Rambus Stock Q3 Review: No Rush To Get In On The Action (NASDAQ:RMBS)

Seeking Alpha report covering Rambus Inc. (RMBS) market action, institutional positioning, and fundamental catalysts.

Read Full Source ↗

🔥 THE ROAR PIT • LIVE COMMUNITY DEBATE 3 Active Posts & Replies

RMBS Bull vs. Bear Conversation Board — What's Your Call at $84.01?

🐂 67% BULLISH CONVICTION COMMUNITY TUG-OF-WAR ON RMBS 🐻 33% BEARISH CONVICTION

DE DeepValue_CFA Institutional Buy-Side 🐂 BULLISH 🎯 Target: $99.04 (+17.0%)

📌 Pinned Debate

Strong cash generation and balance sheet (ROIC 16.4%, Altman Z 26, Piotroski F 8/9, Debt/Equity 0.05) with FY 2025 revenue growing to $

The street is overcomplicating Rambus Inc. (RMBS). Strong cash generation and balance sheet (ROIC 16.4%, Altman Z 26, Piotroski F 8/9, Debt/Equity 0.05) with FY 2025 revenue growing to $707.6M.. With an RQD score of 59/100 (C-) and Forensic Balance Sheet at 16/20, any positive earnings surprise or guidance raise forces underweight funds to chase above $91.42.

VolSurface_Trader 🐂 BULL

Both sides have a point here — RMBS's 16/20 balance sheet score keeps downside contained, so the real swing factor next earnings call is backlog and FCF conversion.

ME MeanReversion_88 Quantitative Statistical Arb 🐻 BEARISH 🎯 Target: $69.41 (-18.0%)

Spot @ $84.65

Valuation is demanding at 42.3x TTM P/E and 34x EV/EBITDA, with a beta of 1.22 and weak institutional flow (7/20 whale pillar).

Valuation is demanding at 42.3x TTM P/E and 34x EV/EBITDA, with a beta of 1.22 and weak institutional flow (7/20 whale pillar).. Look at the math on RMBS: paying 42.3x trailing P/E for 16.4% ROIC and 36.8% operating margins leaves zero margin of safety if Semiconductors demand softens. I'd wait for a retest of $74.49 before getting long.