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The cap table got a lot busier
Rivian's second quarter was basically a game of musical chairs, except the chairs were shares. According to the report, 417 investors boosted their positions by a combined 106.4 million shares, while 318 trimmed back and 85 bailed entirely.
The headline names aren't exactly random
The most eye-catching add was Uber, which opened a new Rivian position with 19.6 million shares, worth just over $289 million. That matters because Uber already has a $1.25 billion partnership with Rivian to develop and deploy autonomous robotaxis — so this is less "cute portfolio nibble" and more "we're still serious about this relationship."
Amazon also stayed in the mix, holding 158.4 million shares, a stake worth roughly $2.3 billion. BlackRock added 2.45 million shares, and D.E. Shaw cranked its Rivian position up by 141% to 12.2 million shares. When that many big institutions are leaning in, you at least have to ask: what do they see that the rest of the market is missing?
Why investors should care
Rivian is still living the classic EV-maker life: big ambitions, plenty of volatility, and a stock that doesn't always reward patience on cue. But institutional buying can matter because it can support the float, improve sentiment, and give Rivian a little more credibility heading into the next stretch of product and delivery execution.
Big picture: Rivian may not have solved the EV profitability riddle yet, but the smart-money crowd is clearly treating it like a stock worth keeping on the table.