SentinelOne's quarterly report filed December 9, 2021 delivers the metric the company's investment case was waiting on. Its dollar-based net retention rate, or NRR, came in at 130% as of October 31, 2021 — up sharply from 115% a year earlier. If gross retention proves customers stay, net retention proves they grow, and a reading of 130% says that the cohort of existing customers, taken together, spent 30% more than it did twelve months ago.
That is the expansion half of the story. Net revenue retention captures renewals plus upsell and cross-sell, net of churn and contraction, within the existing base. A number comfortably above 100% means the company would grow even if it never signed another new customer, simply by selling more to the ones it has. For an EDR vendor expanding from core endpoint protection toward a broader platform, rising NRR is the cleanest evidence that the land-and-expand motion is working.
The 15-point year-over-year jump, from 115% to 130%, is what makes this filing notable rather than merely reassuring. It is not just that customers are expanding — it is that they are expanding faster than they were a year ago. For a recently public, still-unprofitable name, that acceleration in the existing base is the argument that the growth is durable and not purely a function of expensive new-logo acquisition.
The discipline to apply: NRR is a company-defined operating metric, and the honest read pairs it with the GAAP results in the same 10-Q, where this stage of company still shows operating losses as it funds growth. A high NRR makes those losses more defensible — the spend is building a base that compounds — but it does not by itself make the company profitable.
From the vantage of December 2021, the forward question is whether SentinelOne can hold net retention at these elevated levels as the base grows larger and the comparison gets harder. Sustained NRR above 120% would keep the durable-growth thesis intact; a fade would put more weight back on new-customer acquisition. This filing shows acceleration; the next several will show whether it holds.
The grounded takeaway: SentinelOne now has both pillars its IPO case needed — high gross retention from an earlier filing and, here, a 130% net retention rate that is rising. Watch NRR each quarter against the operating loss to judge whether expansion is outrunning the cost of growth. Source: SentinelOne Form 10-Q (filed Dec 9, 2021), via EdgarBeast.