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Abstract
The thesis in one breath
An ICHRA refresher for anyone who skipped 2019
The regulatory tailwinds, stacked
The market tailwinds nobody had to legislate
Stack Health: a company built to ride the wave
The infrastructure layer is the actual prize
What could go wrong (plenty)
See the world through the policy lens
Table of Contents
Core argument: in healthcare, the biggest startup markets are not discovered, they are legislated, regulated, and reimbursed into existence. Founders and investors who read rules before they read pitch decks get to the beach before the wave.
ICHRAs are the current case study: a 2019 rule created the product, a 2016 law created its little sibling, a 2025 reconciliation fight nearly codified it, and the expiration of enhanced ACA subsidies plus 9%-ish employer cost trend are now shoving small employers toward defined contribution whether anyone planned it or not.
Stack Health (Alex Frommeyer, ex Beam Benefits) raised a $21M seed on Sept 1, 2026 from 8VC, A, Heartland Ventures and The O.H.I.O. Fund to move Central Ohio small employers from group plans to ICHRAs. Outsized seed, deliberately regional start, and a bet on market structure rather than a feature.
The real opportunity is the plumbing: plan selection, enrollment, decision support, reimbursement rails, employer admin, individual-market navigation, and broker tooling. Whoever owns the rails owns the flow.
Risks are real: subsidy politics, individual-market pricing, adverse selection debates, broker economics, and the possibility that Congress swings the other way. None of that changes the thesis; it just changes which bets pay.
The thesis in one breath
Here is the whole essay in a sentence, for the people who read the abstract and then go argue in the group chat: healthcare startups do not find markets, policy makes markets, and the founders who win are the ones who noticed the market being made while everyone else was still arguing about whether the rule was good. Meaningful Use made an entire generation of EHR and interop companies. MACRA and MIPS made a cottage industry of quality reporting vendors. The 2019 ONC and CMS interop rules made API companies out of thin air. Medicare Advantage rate notices made and unmade a dozen risk adjustment shops. The IRA drug negotiation provisions are currently reorganizing how pharma thinks about small molecule pipelines. Price transparency rules spawned a whole category of companies that scrape machine readable files for a living, which is a sentence that would have sounded like a fever dream in 2015.
This pattern is not a coincidence and it is not a fluke of American dysfunction, though there is plenty of that. Healthcare is a regulated market where the government is the largest payer, the largest rule writer, and the largest source of demand shocks. A single line in a final rule can move billions of dollars of spend from column A to column B, and every one of those moves needs software, workflow, and humans to execute. The founders who treat the Federal Register as a product roadmap and the investors who read CMS fact sheets with the same attention they give to a data room tend to end up owning categories. Everyone else ends up writing “we are pivoting to enterprise” emails.
ICHRAs are the cleanest current example, and Stack Health’s $21M seed on September 1, 2026 is the cleanest current example of a company being built on purpose to ride it. So let’s walk through the wave, the surfboard, and the odds of wiping out.
