Anthropic is now the front-runner among frontier AI labs — it eclipsed OpenAI on valuation ($965B Series H vs ~$852B), on revenue run-rate (~$47B, up ~5x in six months), and posted its first projected profitable quarter (Q2 2026, ~$559M operating income on ~$10.9B revenue). The enterprise LLM franchise (~40% share, Claude Code >$2.5B ARR, 500+ customers >$1M) is the highest-quality AI revenue in the market, and the confidential S-1 (~June 1, 2026) puts it on the IPO on-ramp toward a ~$1T listing. The re-underwrite question is no longer whether the business works — it is whether $965B, up 2.5x from the $380B we underwrote in March, still offers asymmetry. It does not, quite: the profitability milestone is real but fragile (flattered by a non-recurring compute discount, and management flagged it may not hold full-year as H2 capex ramps), and ~20x run-rate near a $1T mark prices in continued flawless execution. HOLD — a high-quality, valuation-discipline hold on a business we would own more of at a lower entry, not a chase into the IPO. Bull rests on durable full-year profitability + sustained hypergrowth making $965B forward-cheap; bear on compute-cost escalation, API commoditization, and IPO-window/valuation-reset risk at ~$1T scale.