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DAILY ISSUE · 2026-06-01

Monday 01 June 2026

8 dispatches · every item carries a primary source and independent corroboration.

Markets3 filed
Anthropic confidentially files S-1 at $965B valuation, beating OpenAI to the IPO
MARKETS · ipo and ma filings · 2026-06-01SCOOP 86

Anthropic confidentially files S-1 at $965B valuation, beating OpenAI to the IPO line; targets fall 2026 listing

Anthropic confidentially submitted a draft registration statement on Form S-1 to the SEC on Monday, June 1, 2026, becoming the first major AI lab to formally begin the IPO process and beating rival OpenAI to public markets. The filing follows a ~$65 billion Series H round that pushed Anthropic's post-money valuation to roughly $965 billion — eclipsing OpenAI's valuation for the

exclusivecorrected · see fileSOURCE ↗
Anthropic confidentially files draft S-1 for IPO, days after $65bn Series H at $
Photo: TechCrunch · via Wikimedia Commons · CC BY 2.0
MARKETS · rates central banks · 2026-06-01SCOOP 80

Anthropic confidentially files draft S-1 for IPO, days after $65bn Series H at $965bn valuation

Anthropic said on June 1 it had confidentially submitted a draft registration statement on Form S-1 to the US Securities and Exchange Commission for a proposed initial public offering of its common stock. In its own statement the company said the number of shares and the price had not been set and that the offering would depend on market conditions and SEC review, adding the fi

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Berkshire Hathaway to buy homebuilder Taylor Morrison for $6.8B equity ($8.5B EV
Photo: No Swan So Fine · via Wikimedia Commons · CC BY-SA 4.0
MARKETS · ipo and ma filings · 2026-06-01SCOOP 79

Berkshire Hathaway to buy homebuilder Taylor Morrison for $6.8B equity ($8.5B EV) at $72.50/share, Greg Abel's first big deal

Berkshire Hathaway agreed to acquire homebuilder Taylor Morrison Home Corp (NYSE: TMHC) for $72.50 per share in cash, an equity value of about $6.8 billion and total enterprise value of roughly $8.5 billion including debt. Announced May 31 and widely reported June 1, the price is a 24% premium to Taylor Morrison's May 29 close of $58.50. It is one of the first major strategic a

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Cyber1 filed
Cyber desk illustration
Generated desk illustration · not a photograph
CYBER · cves zero days · 2026-06-01SCOOP 60

May 2026 Ransomware: 646 Leak-Site Victims Across 61 Groups; Qilin Leads for Fifth Straight Month

Breachsense tracked 646 organizations listed on ransomware leak sites in May 2026, posted by 61 distinct groups across 73 countries and 59 industries. Qilin topped the rankings with 101 claimed victims, holding the number-one spot for the fifth consecutive month, followed by TheGentlemen (70), Akira (52), DragonForce (41) and INC_RANSOM (30). The United States was by far the mo

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Memos2 filed
Anthropic files confidential draft S-1 with SEC for IPO days after $65B Series H
MEMOS · sec filings · 2026-06-01SCOOP 82

Anthropic files confidential draft S-1 with SEC for IPO days after $65B Series H at $965B valuation

On June 1, 2026 Anthropic confidentially submitted a draft registration statement on Form S-1 to the U.S. Securities and Exchange Commission for a proposed initial public offering, thrusting the maker of the Claude AI models into a 2026 IPO race alongside SpaceX and OpenAI. The filing came less than a week after Anthropic closed a $65 billion Series H round — co-led by Altimete

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HPE names Elliott partner Chris Hsu to board under July 2025 cooperation deal; s
Photo: via Wikimedia Commons · CC0
MEMOS · executive moves · 2026-06-01SCOOP 74

HPE names Elliott partner Chris Hsu to board under July 2025 cooperation deal; shares jump 9.35%

Hewlett Packard Enterprise (NYSE: HPE) announced on June 1, 2026 the appointment of Christopher 'Chris' Hsu, a Partner at activist firm Elliott Investment Management L.P., to its Board of Directors, effective immediately. Hsu joined the board's Strategy Committee and its Finance & Investment Committee. At Elliott he serves as Head of Portfolio Operations and Co-Lead of Private

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Models2 filed
Anthropic files confidentially for IPO at $965B valuation, days after $65B Serie
MODELS · ai governance · 2026-06-01SCOOP 83

Anthropic files confidentially for IPO at $965B valuation, days after $65B Series H vaults it past OpenAI

On June 1, 2026, Anthropic confidentially filed for an initial public offering at a $965 billion valuation — potentially debuting as soon as fall 2026 and positioning it to beat OpenAI to the public market. The filing follows the company's record $65 billion Series H, announced May 28 and led by Altimeter Capital, Dragoneer, Greenoaks and Sequoia Capital, with Capital Group, Co

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Anthropic to give EU cyber agency ENISA access to Mythos via Project Glasswing a
MODELS · ai governance · 2026-06-01SCOOP 80

Anthropic to give EU cyber agency ENISA access to Mythos via Project Glasswing after weeks of Commission talks

On June 1, 2026, Anthropic moved to grant the European Union's cybersecurity agency ENISA access to Claude Mythos, its most advanced (and unreleased) frontier model, through the Project Glasswing testing initiative. The arrangement followed weeks of negotiation: the European Commission actively sought access citing cybersecurity concerns, and the bloc had to seek permission fro

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