Billionaire Brad Gerstner Dumped All of His Alphabet Then Bought 2 Stocks Nobody Expected
Brad Gerstner's Altimeter Capital exited its Alphabet (GOOGL) position in Q1 2026, investing $260M in Arm Holdings (ARM) and $63.3M in Axon Enterprise (AXON). ARM reported 23% revenue growth, while Axon saw 34% growth and raised guidance. Both stocks have since faced volatility.
How this was made

The 30-second read
Why it matters
The fund’s moves represent a material reallocation of roughly $322 M, likely influencing short‑term price dynamics for the three stocks.
Market read
The disclosed reallocation underscores a sector rotation toward AI infrastructure and away from high‑cap capex spend, offering trading opportunities.
What to watch
Potential regulatory or capex constraints at Alphabet could justify the rotation.
Background
Altimeter Capital, a well‑known AI‑focused hedge fund, disclosed its Q1 2026 holdings, exiting Alphabet and entering ARM and AXON.
Ticker impact
Altimeter Capital fully exited its 519,290‑share position in Alphabet (GOOGL) in Q1 2026, as disclosed in its May 15 13F filing.
Potential near‑term downside pressure; watch for support around $140‑$150.
The fund sold $260 M of stock after a 100% one‑year run, indicating valuation concerns.
Altimeter opened a new position of 1,715,440 ARM shares worth about $259.5 M in Q1 2026, per the same 13F filing.
Support likely near $240‑$260; upside to consensus target ~$306.
The fund’s sizable entry signals confidence in AI infrastructure demand.
Altimeter added 148,986 AXON shares (~$63.3 M) in Q1 2026, as disclosed in the 13F filing.
Short‑term upside possible; monitor near $70‑$80 range.
Initial contrarian entry could attract attention, but later exit tempers impact.
Market effects
Highlights a shift from mega‑cap AI spend to picks‑and‑shovels AI infrastructure providers.
U.S. tech and AI‑related equities may see reallocation pressure.
Signals broader investor sentiment on AI capital allocation worldwide.
Counterpoint
Some investors may view the fund’s exit from Alphabet as premature given long‑term AI growth.
Key entities
- IndividualBrad Gerstner
Founder of Altimeter Capital, orchestrating the portfolio changes.
- InstitutionAltimeter Capital
AI‑focused hedge fund with a $5.7 B Q1 portfolio.




