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Reading Room

Read the arguments shaping this field: original letters and essays, independent reporting, interviews, and podcasts. Every item says whether the text is available here or should be read at its publisher.

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Building a Beacon in the Fog of AIInterview or podcastWatch/listen
Nilam Ganenthiran, Rick Buhrman, Paul Buser · Colossus / Joys of Compounding

Episode page highlights trust, permanent capital, the acquisition machine, and the operating platform. Includes useful chapter timestamps.

Letter to FoundersEssay or blogExcerpt
Nilam Ganenthiran · Beacon Software

Describes permanent ownership alongside a central operating platform, engineering help, and local company continuity.

Aravind Srinivasan; Samay Shamdasani; Arthur Fernandes Araujo; John de Wasseige · OpenAI / Thrive Holdings

Describes a practitioner-feedback and evaluation loop for Tax AI. Reports a 7,000-return pilot, roughly one-third less preparation time, and about 50% greater throughput.

FIS

Announced May 20, 2026, from Jacksonville. FIS announced that BankSouth, a $1.6 billion-asset community bank based at Lake Oconee, Georgia, selected the FIS core banking platform to power its retail and business banking lines. The bank framed the conversion as part of a broader data and technology strategy. The selection followed BankSouth's March 2026 announcement of a strategic partnership with Sequence Holdings, the permanent holding company deploying engineers and AI tooling into the bank's operations, and coverage connected the two moves as parts of the same modernization effort.

BankSouth — Sequence partnershipCompany announcementExcerpt
BankSouth

Announced March 2026, from Greensboro, Georgia. BankSouth, a $1.6 billion-asset community bank, announced a strategic partnership with Sequence Holdings, a permanent holding company that improves the operations of established businesses through technology. Under the partnership, a team of Sequence engineers — with backgrounds at Palantir, Scale AI, and Apple — works alongside BankSouth's staff to build and deploy AI-powered tools, framed around a human-first approach to community banking and BankSouth's roughly 80-year history. Sequence chief executive Michael Lee, a financial services and technology investor, joined BankSouth's board of directors. Sequence took a minority position in the bank. The partnership followed Sequence's emergence from stealth with a $75 million seed round led by Conviction and 8VC and a Series A led by Lux Capital, joined by Definition, Avenir, Chris Ré, and other institutional investors. Sequence is based in New York and deploys engineers alongside a proprietary technology platform. Latham & Watkins represented Sequence on both the partnership and the financings.

OpenAI

Announced December 1, 2025. OpenAI took an undisclosed ownership stake in Thrive Holdings, the acquisition and operating vehicle launched in April 2025 by Thrive Capital, itself one of OpenAI's major investors. Rather than paying cash, OpenAI contributes embedded research, product, and engineering teams plus platform access in exchange for equity, with reporting indicating its stake grows if the portfolio companies succeed. The work begins with accounting and IT services, chosen for high-volume, rules-driven, workflow-heavy operations and aging operational infrastructure, with the stated intent of producing a repeatable model extensible to other industries. Brad Lightcap, OpenAI's chief operating officer, and Joshua Kushner, founder and chief executive of Thrive Capital and Thrive Holdings, both commented. Financial terms were not disclosed. OpenAI was valued at roughly $500 billion at the time and had recently taken stakes in AMD and CoreWeave; press coverage characterized the arrangement as another circular deal, a framing a Thrive Holdings spokesperson disputed, pointing to organic demand at portfolio companies including the accounting firm Crete. Thrive Holdings later raised $2 billion at a $12 billion valuation in August 2026.

Sequence — Poker NightCompany announcementExcerpt

A Luma event listing, not an article. Poker Night hosted by Sequence Holdings at 300 Vesey Street, suite 1230, New York, on Wednesday, October 15, 2025 at 7:15pm, with guests asked to meet in the lobby. The listing describes an open, casual evening of cards, wine and cocktails, and catered food, states that non-players are welcome and will be taught the basics, and carries no buy-in, stakes, agenda, or speaker information. Registration was required. The page is now marked as a past event. The same listing was also posted on Partiful.