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

49 /100 composite · 7 modules · software-infra weight set

Valuation 14
Quality 35
Growth 74
Balance sheet 34
Cash quality 65
Capital allocation 5
Momentum 97

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

2.61 Altman Z-Score

Sits in the grey zone (1.81–2.99). The Z-Score estimates financial-distress risk from five balance-sheet and earnings ratios.

5/9 Piotroski F-Score

Nine binary fundamental-strength checks across profitability, leverage and operating efficiency.

-3.12 Beneish M-Score

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 49/100 across 7 modules, as of 2026-09-18: valuation 14, quality 35, growth 74, balance sheet 34, cash quality 65, capital allocation 5, momentum 97. 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

Long reads

Earnings — Post-Earnings Announcement DriftDossier · $29 · 27 Apr 2026We 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 MapDossier · $39 · 27 Feb 2026CrowdStrike (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 LayerDossier · $39 · 24 Feb 2026Datadog (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 WeekDaily Pulse · 3 Sept 2026In 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 earningsMorning 10 · 2 Sept 2026Rubrik 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.Morning 10 · 28 Aug 2026Rubrik, 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.Midday 10 · 27 Aug 2026Five 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.Morning 10 · 27 Aug 2026Rubrik — 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 NVDADaily Pulse · 22 Aug 2026AI 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 soldMidday 10 · 4 Aug 2026SNOW 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 BeatsDaily Pulse · 4 Jun 2026Rubrik (RBRK) printed strong: revenue +39% YoY to $387.1M, subscription ARR +32% to $1.57B, non-GAAP EPS of $0.16, and raised guidance.