NEW YORK, July 26, 2026, 09:04 EDT — U.S. markets closed.
Cathie Wood’s ARK Investment Management bought 160,151 shares of Tesla Inc. NASDAQ:TSLA after Thursday’s earnings rout. At Friday’s $313.03 close, the stake was worth an estimated $50.1 million. ARK did not disclose its execution cost.
The trade targets a sharp gap between demand and profit. Tesla delivered a record 480,126 vehicles, yet operating income reached only $398 million. That was 1.4 cents for each revenue dollar.
Tesla’s own analyst survey implied 5.4 cents. Revenue beat that survey, but operating income missed by 73.5%. Wood is buying the earnings-conversion gap.
| Second-quarter measure | Tesla actual | Company-compiled consensus | Variance |
|---|---|---|---|
| Revenue | $28.236 billion | $27.584 billion | +2.4% |
| Gross margin | 16.8% | 19.5% | -2.7 points |
| Operating income | $398 million | $1.503 billion | -73.5% |
| Implied operating margin | 1.4% | 5.4% | -4.0 points |
Consensus figures are Tesla’s company-compiled sell-side averages. Variances are calculated from the disclosed numbers.
Revenue exceeded the average estimate by $652 million. Operating profit fell short by $1.11 billion. The stock response suggests investors weighted the second number more heavily.
Tesla slid 14.5% Thursday and another 2.1% Friday. It closed at $313.03, down 17.8% for the week. The Nasdaq lost 2.1%; the S&P 500 fell 0.6%.
The ARK Innovation ETF (BATS:ARKK) already had Tesla as its largest holding. Its Friday weight was 9.38%. Wood deepened an existing concentration.
Record deliveries masked weaker unit economics. Average vehicle revenue fell to $42,730 from $45,345. Regulatory-credit revenue dropped 67% to $146 million.
Tesla also lifted research spending 49% to $2.37 billion. First-half capital expenditure more than doubled to $8.28 billion. Management expects 2026 capital spending above $25 billion, driven by AI and manufacturing.
Chief Executive Elon Musk called 2026 “a massive capex year.” He said those investments would yield “incredible returns.” Ryan Lee at Direxion called monetization “the central concern.” Reuters
That concern is measurable. Tesla reported 2.5 million paid robotaxi miles. Only 380,000 miles lacked an in-vehicle safety monitor. Alphabet Inc.’s NASDAQ:GOOGL Waymo had exceeded 220 million autonomous miles by March.
Tesla had about 1.5 million active Full Self-Driving subscriptions. That was 56% more than a year earlier. The installed base offers a nearer software-revenue test than robotaxis alone.
Risks remain high. Lower prices, shrinking credit revenue and heavy spending could prolong margin pressure. ARKK’s 9.38% Tesla weight also magnifies single-stock volatility.
The week ahead shifts attention to analyst revisions and further ARK trade notices. The Federal Reserve meets July 28-29, adding a rate catalyst for growth shares.
Wood’s thesis now needs proof in operating income. Software revenue could supply it. Cost control could, too.
Record deliveries did not.
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