How many Arm Holdings shares did Gerstner buy?

He bought 1,715,440 shares of Arm Holdings worth approximately $259.5 million.

What is the source of this information?

The source is Altimeter Capital's 13F filing with the SEC dated May 15, 2026.

Billionaire Brad Gerstner Dumps Alphabet, Buys Two Unexpected Stocks

Billionaire Brad Gerstner's Altimeter Capital fully exited its 519,290-share Alphabet (GOOGL) position in Q1 2026, and opened two new positions: 1,715,440 shares of Arm Holdings (ARM) worth $259.5 million and another undisclosed stock.

June 12, 2026

2 min read

Source: 24/7 Wall St.

Key Numbers

alphabet shares sold

519,290

arm shares bought

1,715,440

arm position value

259.5M

A 13F filing by Altimeter Capital on May 15, 2026 revealed that billionaire manager Brad Gerstner completely liquidated his firm's stake in Alphabet (GOOGL) during the first quarter of the year. The fund previously held 519,290 shares of Google's parent company.

Details

In place of Alphabet, Gerstner opened two brand-new positions that did not exist in the prior quarter. The first is 1,715,440 shares of Arm Holdings (ARM) valued at approximately $259.5 million. The second stock was not fully disclosed in the summary but represents another new investment.

Context

These moves come amid volatility in tech stocks, as top investors seek alternative growth opportunities. Gerstner is known for his tech investments and has previously expressed concerns about the valuation of some large-cap stocks.

What This Means for Investors

This shift may indicate Gerstner's preference for higher-growth companies like Arm Holdings, which benefits from the AI boom. However, investors should not interpret this as a buy or sell recommendation, but rather as part of a portfolio management strategy.

Frequently Asked Questions

Altimeter Capital sold its entire 519,290-share position in Alphabet during Q1 2026.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.