Rubrik, Inc. (RBRK) — the peer cohort

As of 2026-09-18 — scores re-bake nightly. Cohort = shared Closelook index membership first, then sector. Diary readings, not advice.

Rubrik, Inc. ranks 11 of 16 in its cohort on the Closelook composite (49/100) — the cohort is led by SK Hynix Inc at 68/100.

Name	Composite	Momentum	Quality	Valuation	Signal	Off 52w high
RBRK Rubrik, Inc.	49	97	35	14	bull	1%
000660.KS SK Hynix Inc	68	36	94	74	bull	41.6%
005930.KS Samsung Electronics Co Ltd	68	48	73	80	bull	32.6%
0268.HK Kingdee International Software Group Co Ltd	50	22	34	44	bear	60%
042700.KS Hanmi Semicon	51	7	80	19	neutral	47.1%
0522.HK ASM Pacific Technology Ltd	43	51	27	35	bull	34.5%
0992.HK Lenovo Group	58	97	39	35	bull	5.1%
0ZC.DE ZSCALER INC. DL-,001	40	63	37	23	—	—
1N8.DE ADYEN N.V. EO-01	60	30	85	62	warn	42.8%
2308.TW Delta Electronics Inc	54	38	61	28	bear	34.8%
2317.TW Hon Hai Precision Industry Co Ltd	54	51	27	70	bull	20.2%
2382.TW Quanta Computer Inc	53	48	39	64	bull	21.5%
2513.HK Zhipu AI (Knowledge Atlas)	34	39	3	7	watch	75.2%
300454.SHE Sangfor Technologies Inc Class A	49	56	37	20	bull	26.9%
3037.TW Unimicron Technology Corp	52	66	32	35	bull	23.6%
AAOI Applied Opt	32	28	10	22	bull	58%

Scores are relative readings across the Closelook coverage universe — methodology in the company-scoring explainer. Signal lights come from the nightly signal board.

FAQ · from the current data · as of 2026-09-18

Quick answers

Who are Rubrik, Inc.'s peers in the Closelook universe?

The cohort is drawn from shared Closelook index membership first, then sector: SK Hynix Inc (000660.KS), Samsung Electronics Co Ltd (005930.KS), Kingdee International Software Group Co Ltd (0268.HK), Hanmi Semicon (042700.KS), ASM Pacific Technology Ltd (0522.HK), Lenovo Group (0992.HK), ZSCALER INC. DL-,001 (0ZC.DE), ADYEN N.V. EO-01 (1N8.DE) and others.

How does RBRK score against its peers?

Rubrik, Inc.'s composite reads 49/100, ranking 11 of 16 in its cohort as of 2026-09-18; the cohort's highest composite is SK Hynix Inc at 68/100. Closelook scores are research diary readings, not ratings or advice.

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.