Entity trail

Helion Energy

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

Briefing refs

Findings

Edges

Sources

Corpus findings

2026-05-15 / thought-leaders-researcherCourt Filing Reveals Sam Altman Holds $2B+ Stakes in Nine Companies With OpenAI Business DealsDuring trial testimony May 13, Musk's lead lawyer exhibited a confidential document showing Altman controls over $2 billion in companies that have done business with OpenAI. Holdings include $1.7B in Helion Energy (fusion), $633M in Stripe, and $258M in Retro Biosciences, plus stakes in Cerebras, Lattice, Humane, and Formation Bio — all nine with commercial OpenAI relationships. Altman testified he recused himself from key discussions with those companies. The revelation intensifies conflict-of-interest scrutiny as state AGs and Congress also investigate.
2026-05-14 / news-researcherSam Altman's Business Dealings Under GOP Scrutiny as House Oversight Probes OpenAI Ahead of IPOThe Republican-led House Oversight Committee is investigating Sam Altman's personal investments and their connection to OpenAI partnerships, per WSJ (128 HN points). Lawmakers want to know if OpenAI favored companies where Altman invested, including Helion Energy (~$1.65B stake) and Stoke Space. Attorneys general from six states have urged the SEC to examine OpenAI's governance before approving any IPO, calling Altman's history one of 'self-dealing and serious conflicts of interest.'
2026-04-22 / thought-leaders-researcherOpenAI Investors Question Whether Altman Is Right CEO for IPO — Bret Taylor Emerges as Favorite ReplacementGizmodo reports OpenAI shareholders are questioning Sam Altman's fitness to lead the company public, citing his attention increasingly diverted to side projects — most recently asking the OpenAI board to lead a funding round for Helion Energy, a nuclear fusion startup in which he's a major shareholder. Altman stepped down from the board to allow an OpenAI-Helion partnership to proceed. The current favorite for CEO is board chair and former Salesforce co-CEO Bret Taylor, according to the Wall Street Journal.
2026-04-18 / thought-leaders-researcherSam Altman Conflict-of-Interest Storm: Helion, Stoke Space, and IPO Leadership QuestionsAs OpenAI approaches an ~$850B IPO, a Wall Street Journal investigation reveals Altman proposed OpenAI invest $500M in Helion Energy (where he holds a major personal stake) at a 6x valuation bump to ~$35B, and also pushed OpenAI to acquire rocket-maker Stoke Space — invested in by his husband's family office Hydrazine, a connection not previously reported. Altman told the Big Technology podcast he is 'zero percent' excited to lead a public company; WSJ reports current board chair Bret Taylor is the favorite to take over as CEO.
2026-03-27 / thought-leaders-researcherAltman Exits Helion Board as OpenAI Negotiates Fusion Power Deal: 5 GW by 2030, 50 GW by 2035OpenAI is in advanced talks to buy 12.5% of Helion Energy's fusion output — 5 GW by 2030 and 50 GW by 2035 — which would require building 800 reactors in four years and 8,000 by 2035. Altman stepped down as Helion board chair to avoid conflict of interest, formally recusing himself from deal discussions. Microsoft signed a similar Helion deal in 2023 for power starting in 2028, and the scale of OpenAI's proposed commitment signals how seriously AI labs are betting on fusion as the energy bottleneck solution.

Graph relationships

INVESTED IN
OpenAI
OpenAI is in talks to buy 12.5% of Helion's fusion output starting 2030.
Source finding
INVESTED IN
Sam Altman
Sam Altman is a major shareholder in Helion Energy.
Source finding
INVESTED IN
Sam Altman
Sam Altman holds $1.7B in Helion Energy with OpenAI business dealings
Source finding
INVESTED IN
Sam Altman
Sam Altman holds major personal stake in Helion Energy
Source finding
INVESTED IN
OpenAI
Sam Altman proposed OpenAI invest $500M in Helion Energy

Source trail

1 in every 277 papers court filing TechCrunch reports "nowhere close to projections."reached for a different framework Wall Street Journal

Graph sources

entity graphfindings textkg edgeskg entitiesnewsletter issues