Erste Asset Management Sells Stake in SentinelOne

Institutional investor reduces holdings in cybersecurity firm by over 86%

Published on Mar. 2, 2026

Erste Asset Management GmbH, an institutional investor, has significantly reduced its stake in SentinelOne, Inc. (NYSE:S), a cybersecurity company based in Mountain View, California. According to a recent SEC filing, Erste Asset Management sold 370,780 shares of SentinelOne, lowering its holdings by 86.2% during the third quarter.

Why it matters

The sale by Erste Asset Management reflects broader market trends and investor sentiment around the cybersecurity sector. SentinelOne, a prominent player in the industry, has seen its stock price fluctuate in recent months, leading some institutional investors to adjust their positions.

The details

Erste Asset Management's SEC filing shows the firm now owns 59,220 shares of SentinelOne, down from the 429,000 shares it held previously. The sale comes as SentinelOne's stock price has declined from its 52-week high of $21.40 per share. Other institutional investors, such as Vanguard Group and AQR Capital Management, have also made adjustments to their SentinelOne holdings in recent quarters.

  • Erste Asset Management sold 370,780 shares of SentinelOne during the third quarter of 2025.

The players

Erste Asset Management GmbH

An institutional investor that has significantly reduced its stake in the cybersecurity firm SentinelOne, Inc.

SentinelOne, Inc.

A cybersecurity company headquartered in Mountain View, California, that provides AI-driven, autonomous endpoint protection solutions.

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The takeaway

The sale by Erste Asset Management reflects the volatility and uncertainty surrounding the cybersecurity sector, as investors carefully evaluate the performance and prospects of companies like SentinelOne. This news highlights the need for investors to closely monitor market trends and make informed decisions about their portfolio allocations.