Rubrik Stock Plummets -16% With 5-Day Losing Streak
Rubrik (RBRK) – a zero trust data security platform ensuring cyber resilience – hit a 5-day losing streak, with cumulative losses over this period amounting to -16%. The company’s market cap has crashed by about $2.7 Bil over the last 5 days and currently stands at $15 Bil.
Sustained weakness can be more than noise. It often signals shifting sentiment or deeper concerns. A multi-day losing streak may warn of further downside, or present an opportunity to buy if fundamentals are intact.
But here is the interesting part. You are reading about this -16% move after it happened. The market has already priced in the news. To manage individual stock risk before the headlines, you need predictive signals, not notifications. High Quality Portfolio has a risk model designed to manage stock-specific drawdowns better.

Returns vs S&P 500
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The following table summarizes the return for RBRK stock vs. the S&P 500 index over different periods, including the current streak:
| Return Period | RBRK | S&P 500 |
|---|---|---|
| 1D | -2.3% | 0.3% |
| 5D (Current Streak) | -15.7% | -2.6% |
| 1M (21D) | 16.7% | 0.9% |
| 3M (63D) | 25.5% | 9.0% |
| YTD 2026 | -6.2% | 8.2% |
| 2025 | 17.0% | 16.4% |
| 2024 | 23.3% | |
| 2023 | 24.2% |
Gains and Losses Streaks: S&P 500 Constituents
There are currently 41 S&P constituents with 3 days or more of consecutive gains and 34 constituents with 3 days or more of consecutive losses.
| Consecutive Days | # of Gainers | # of Losers |
|---|---|---|
| 3D | 25 | 14 |
| 4D | 10 | 8 |
| 5D | 5 | 10 |
| 6D | 1 | 2 |
| 7D or more | 0 | 0 |
| Total >=3 D | 41 | 34 |
Key Financials for Rubrik (RBRK)
Last 2 Fiscal Years:
| Metric | FY2025 | FY2026 |
|---|---|---|
| Revenues | $886.5 Mil | $1.3 Bil |
| Operating Income | $-1.1 Bil | $-345.4 Mil |
| Net Income | $-1.2 Bil | $-348.8 Mil |
Last 2 Fiscal Quarters:
| Metric | 2026 FQ4 | 2027 FQ1 |
|---|---|---|
| Revenues | $377.7 Mil | $387.1 Mil |
| Operating Income | $-82.4 Mil | $-52.6 Mil |
| Net Income | $-87.0 Mil | $-41.9 Mil |
The losing streak RBRK stock is currently on doesn’t inspire much confidence among investors. In contrast, Trefis High Quality (HQ) Portfolio, with a collection of 30 stocks, has a track record of comfortably outperforming its benchmark that includes all 3 — the S&P 500, S&P mid-cap, and Russell 2000 indices. Why is that? As a group, HQ Portfolio stocks provided better returns with less risk versus the benchmark index; less of a roller-coaster ride, as evident in HQ Portfolio performance metrics.