Brad Gerstner’s Altimeter completely exits its Alphabet holding, according to its latest 13F

Alphabet’s stock (GOOGL) has reportedly seen a full exit from one high-profile investor. Altimeter Capital Management, the asset manager led by Brad Gerstner, filed a quarterly report showing it liquidated its entire Alphabet position during the first quarter of 2026.

According to the report summarized by, Altimeter’s Alphabet stake totaled 519,290 shares before the change. In its latest 13F filing, submitted May 15, 2026, the firm reported having exited the position entirely.

Gerstner’s decision matters most because 13F data can reveal a manager’s change in conviction rather than just short-term trading. A 13F filing is a mandatory quarterly disclosure for certain large institutional investment managers, listing their U.S. equity holdings (generally those above specified reporting thresholds) as of quarter-end dates. The filing does not explain the rationale behind trades, but it can still announcement portfolio rebalancing and shifts in exposure.

The same account says Gerstner then opened two new positions “nobody expected,” but the summarized item does not name those stocks. Without the specific tickers or share counts from the filing itself in the available material, it is not possible to verify which companies were added, at what scale, or whether the purchases were concentrated or incremental.

For Alphabet, this creates a clear but narrow datapoint: at least one institutional investor holding disclosed in 13F moved from zeroing out to initiating positions elsewhere. What is missing in the available coverage is the context around timing, such as whether the sale occurred early in the quarter or near quarter-end, and whether it coincided with any internal view updates, earnings expectations, or regulatory risk considerations.

Sector context is relevant because Alphabet sits at the intersection of advertising demand, cloud growth, and a rapidly shifting artificial intelligence environment. Investors commonly reassess holdings when macro conditions change, when competition intensifies in AI-related products, or when cloud profitability and capex intensity evolve. Even so, a single manager’s move does not establish a broader shift in the market’s overall outlook for the company.

There is also an important limitation for readers: 13F disclosures are snapshots. They reflect holdings as reported for regulatory purposes, not necessarily every trade executed during the quarter, and they do not capture positions in derivatives or non-U.S. instruments. Additionally, the coverage available here does not provide the full list of Altimeter’s changes, nor does it include an explanation from the manager about why Alphabet was sold.

Going forward, the key thing to watch is whether Altimeter reappears in Alphabet filings in later quarters, and whether the two new stocks it added show up as continuing positions or were brief trades. For Alphabet shareholders, the more durable takeaway will come from whether other large disclosed holders make similar changes around the same time, rather than from a single investor’s adjustment.