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Anthropic IPO prospectus details Alphabet and Amazon stakes

CNBC reported Oct 26 that Anthropic's IPO prospectus filed with the Securities and Exchange Commission sheds new light on Alphabet and Amazon stakes; as of Oct 26, 20:00 UTC Alphabet was $316.80 and fell 1.06% from the prior close, and Amazon was $249.09 and rose 0.44% from the prior close.

MarketAlleys Research Desk

Published · 3 min read

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Illustration for: Anthropic IPO prospectus details Alphabet and Amazon stakes
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What happened

CNBC reported on Oct 26, 09:03 UTC that Anthropic's IPO prospectus filed with the Securities and Exchange Commission sheds new light on Alphabet and Amazon stakes. The headline framed its coverage as live updates of the filing.

The item said it presented all the details from Anthropic's IPO prospectus with the Securities and Exchange Commission.

Stocks market context

As of Oct 26, 20:00 UTC the SPY ETF was $765.37 and rose 0.71% from the prior close, the QQQ ETF was $712.20 and rose 1.11% from the prior close, Alphabet was $316.80 and fell 1.06% from the prior close, and Amazon was $249.09 and rose 0.44% from the prior close. Finnhub.

Instrument Last Change Basis As of Source
S&P 500 (via SPY ETF) $765.37 +0.71% vs prior close Oct 26, 20:00 UTC Finnhub
Nasdaq 100 (via QQQ ETF) $712.20 +1.11% vs prior close Oct 26, 20:00 UTC Finnhub
NVIDIA $216.00 +2.39% vs prior close Oct 26, 20:00 UTC Finnhub
Apple $343.91 -1.10% vs prior close Oct 26, 20:00 UTC Finnhub
Microsoft $532.60 +1.54% vs prior close Oct 26, 20:00 UTC Finnhub
Amazon $249.09 +0.44% vs prior close Oct 26, 20:00 UTC Finnhub
Alphabet $316.80 -1.06% vs prior close Oct 26, 20:00 UTC Finnhub
Meta Platforms $630.56 -1.88% vs prior close Oct 26, 20:00 UTC Finnhub
Tesla $391.62 +5.21% vs prior close Oct 26, 20:00 UTC Finnhub
JPMorgan Chase $334.04 +0.74% vs prior close Oct 26, 20:00 UTC Finnhub

Yahoo reported that Anthropic’s IPO prospectus reveals more details on how Amazon and Alphabet stand to benefit from the offering. Yahoo also ran pieces noting Anthropic's broader filing gave a fresh glimpse into fortunes at stake for big tech and finance, and that Anthropic generated 48% of its revenue through cloud marketplace sales from Google, Amazon and Microsoft in the first half of 2026.

What to watch

GOOGL Q3 2026 earnings is scheduled Wed Oct 28 (after the close), MSFT Q1 2027 earnings is scheduled Wed Oct 28 (after the close), and AMZN Q3 2026 earnings is scheduled Thu Oct 29 (after the close).

  • Tue Oct 27 (before the open) — CNC Q3 2026 earnings · EPS estimate 0.10
  • Tue Oct 27 (before the open) — BA Q3 2026 earnings · EPS estimate -0.21
  • Wed Oct 28 (before the open) — PSX Q3 2026 earnings · EPS estimate 11.84
  • Wed Oct 28 (after the close) — GOOGL Q3 2026 earnings · EPS estimate 3.11
  • Wed Oct 28 (after the close) — MSFT Q1 2027 earnings · EPS estimate 4.82
  • Wed Oct 28 (after the close) — F Q3 2026 earnings · EPS estimate 0.41

Sources and data

  • CNBC (secondary source) — Anthropic IPO live updates: Prospectus sheds new light on Alphabet, Amazon stakes
  • Yahoo (secondary source) — Amazon and Alphabet Backed Anthropic Early. They’re Betting Even More on Its IPO.
  • Finnhub (market data) — market data

Market data as of Oct 26, 20:00 UTC; report generated Oct 26, 21:40 UTC. All times are UTC. Each table row shows its own timestamp and provider.

This report was produced by the MarketAlleys Research Desk using automated data processing and language tools from the sources listed above, and checked against our automated-content validation rules. It is for information only and is not investment advice.

Terms in this article

Sources & data

  1. CNBC (secondary, retrieved Oct 26, 2026, 09:43 PM UTC)
  2. Yahoo (secondary, retrieved Oct 26, 2026, 09:43 PM UTC)
  3. Finnhub (market-data, retrieved Oct 26, 2026, 09:43 PM UTC)

Market data as of Oct 26, 2026, 08:00 PM UTC.

This report was produced by the MarketAlleys Research Desk using automated data processing and language tools, built only from the cited sources and validated by rules described in our methodology. Spot an error? Request a correction.

Ask about this story

Questions are answered only from this article and the sources it cites.

MarketAlleys provides news and analysis for information only; it is not investment advice or a recommendation to buy or sell any security. Markets involve risk. Risk disclaimer.

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