The $3.7 Billion rebalance trade

It is December 2020. I am short Tesla.

A starter position, as volatility and the parabolic run developed. Valuation had detached from anything I could defend on a spreadsheet. Tesla was priced at more than 120 times the traditional automakers on a per-car basis. Sixth-largest company in America by market cap, producing a rounding error of the cars the nine automakers beneath it made. Yet it continued…

The stock kept going up.

Every session it ground higher, grinding into the close of December 21, the day Tesla would officially enter the S&P 500. I sat watching a wall of buying I could not see the source of turn my thesis into powder.

Tesla would officially join the S&P 500 Index prior to the market open on December 21, 2020. The electric vehicle company replaced Apartment Investment and Management Co. and entered the benchmark index as the largest-ever new addition, requiring index funds to purchase nearly $220 billion in shares.

The size in this case matters, but more on that later.

The other side was a small team of ex-Goldman Sachs traders working out of a beach neighborhood outside San Juan. That December they closed a year in which they made roughly $3 billion for a hedge fund most of you have never had to think about. Last month, June 2026, that same desk, joined by another one in Dubai, made $3.7 billion in thirty days.

That buyer is the subject of today’s piece. I’m going to walk you through the trade, how it was built, and the exact chronological line that runs from Tesla’s S&P 500 inclusion in 2020 to SpaceX’s Nasdaq entry in 2026, because it was the training for this months trade, the same man at the center of the underlying company, and the largest version of it we have ever seen.

A multi-billion swing story from one of the best pods to do it.