Rubrik, Inc. (RBRK) — Quality & forensics
As of 2026-09-18 — refreshed nightly. Closelook readings from an investment research diary, not ratings or advice.
The Closelook module scores
- Valuation 14
- Quality 36
- Growth 75
- Balance sheet 35
- Cash quality 65
- Capital allocation 6
- Momentum 96
Scores are computed nightly across the coverage universe and read relative to it — the methodology lives in the company-scoring explainer.
Financial forensics — the academic screens
Sits in the grey zone (1.81–2.99). The Z-Score estimates financial-distress risk from five balance-sheet and earnings ratios.
Nine binary fundamental-strength checks across profitability, leverage and operating efficiency.
Screens reported earnings for statistical manipulation patterns — below the −1.78 manipulation-risk threshold. A screen, not an accusation.
Continue: the RBRK chart & overview · the earnings record
FAQ · from the current data · as of 2026-09-18
Quick answers
What is Rubrik, Inc.'s Closelook quality reading?
The composite reads 50/100 across 7 modules, as of 2026-09-18: valuation 14, quality 36, growth 75, balance sheet 35, cash quality 65, capital allocation 6, momentum 96. Closelook scores are research diary readings, not ratings or investment advice.
What is Rubrik, Inc.'s Altman Z-Score?
2.61, which sits in the grey zone (1.81–2.99) as of 2026-09-18. The Altman Z-Score estimates financial distress risk from five balance-sheet and earnings ratios.
What is Rubrik, Inc.'s Piotroski F-Score?
5 of 9, as of 2026-09-18. The F-Score counts nine binary fundamental-strength signals across profitability, leverage and operating efficiency.
What does Rubrik, Inc.'s Beneish M-Score indicate?
-3.12 — below the −1.78 manipulation-risk threshold, as of 2026-09-18. The M-Score screens reported earnings for statistical manipulation patterns; it is a screen, not an accusation.
Mentioned on Closelook
Where RBRK appears in the diary — 11 pieces, newest first. Every link is our own writing.
Go deeper
- Earnings — Post-Earnings Announcement DriftA Closelook Lab Read — why a 50-year-old anomaly still leaks alpha and how the Pattern Engine scans for itDossier · $29 one-time, or included in C+
- Agentic Application Software: The SaaSpocalypse MapVertical agents, copilots, and which enterprise software companies survive AI disruption — and which don't.Dossier · $39 one-time, or included in C+
Long reads
- Earnings — Post-Earnings Announcement Drift
We walk through three historical cases drawn from the SaaS and cybersecurity universe in 2024–2025: Rubrik in December 2024 as the Mid-Cap pure-form drift, CrowdStrike in November 2024 as the Reversal-PEAD case after the Falcon outage…
- Agentic Application Software: The SaaSpocalypse Map
CrowdStrike (CRWD) · Palo Alto Networks (PANW) · Zscaler (ZS) · Rubrik (RBRK) · SentinelOne (S) Healthcare IT Adapter — regulatory moat buys time Regulatory requirements (FDA, HIPAA, clinical trial compliance) create switching costs that…
- Agentic Infrastructure Software: The Orchestration Layer
Datadog (DDOG) · Dynatrace (DT) · HiddenLayer · Arize AI · Weights & Biases · Rubrik (RBRK) · CrowdStrike (CRWD) Edge & Distribution Layer 5 — The Delivery Network Cloud dependency kills latency and drains battery.
Dailies
- From Silicon Scarcity to Software Scarcity: The Next AI Bottleneck Is Permission to Act, and the Market Graded It This Week
In the eight-layer stack the thesis describes, Snowflake (context) reported a third quarter of accelerating growth and jumped 20% after hours; MongoDB (operational state) beat and fell 13.5%; Palo Alto (identity) beat and fell 9.3%…
- Great numbers, falling stocks — the market has stopped rewarding even record earnings
Rubrik beat estimates by more than ever before and still lost 17.4% in three days.
- The bar moves overnight: three beat-and-raise prints get sold after hours.
Rubrik, Autodesk and Marvell are all punished despite beating or raising, Elastic is paid +20.9% and Workday shrugs, and Friday stacks the Warsh keynote onto IEF's weekly close at 93.04.
- Daylight pays the five-print evening at scale — Salesforce +20%, Okta +27%, CrowdStrike +18%, Nvidia +7.6% — while ten of eleven sectors trade red and technology alone carries the index.
Five more prints land tonight: Rubrik — a print-record card with zero flat reactions in its history — alongside Workday, which trades +3.25% to 196.94 into its own report, Autodesk, Elastic and IREN.
- The five-print evening resolves bullish — Nvidia's supply-constrained 70% guide flips a muted release into a paid call, and Salesforce and CrowdStrike are paid double digits.
Rubrik — a card with zero flat reactions in its history — reports tonight alongside Workday, Autodesk and Dollar General; PDD's three-session print-record window closes at today's close, and all five of Wednesday's prints score theirs on…
- Lighter Into the Print, and a Year More Time on NVDA
AI Build-Out swapped two lines for two others at Friday's closes — SHECY and MU out, Q and SKHY in, 30,560 dollars out and 34,423 in — then cut five winners smaller at Monday's closes, ATEYY, COHR, IOT, RBRK and SNOW by seventeen to…
- Palantir +27%, and the market buys back the exact corner it sold
SNOW is up around 2.7% and RBRK 5.8% — both flagged accelerating-up in the overnight directional-flow scan, both delivering on the session that followed.
- Two Agentic Earnings Beats
Rubrik (RBRK) printed strong: revenue +39% YoY to $387.1M, subscription ARR +32% to $1.57B, non-GAAP EPS of $0.16, and raised guidance.
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then Software - Infrastructure. Scored names rank on their Closelook score; names without one rank on trend state — above or below their 50- and 200-day averages — never on a score they do not carry.
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