Blog · S corporations
Who can own S corporation stock? Five ownership changes that quietly end an S election
An S election survives only as long as every shareholder is eligible. Here are the owners that qualify, the ones that don't, and the restructurings that trip the rule without anyone noticing.
Most S corporations don't lose their election because someone made a bad tax decision. They lose it because someone made a reasonable business decision — moved shares into a holding company, admitted an investor, set up a trust — and nobody checked who the new owner was for tax purposes.
The rule itself is short. Under IRC §1361(b), an S corporation can have no more than 100 shareholders, only one class of stock, and only eligible shareholders. The third requirement is the one that breaks.
The owners that qualify
- Individuals who are US citizens or US residents. A nonresident alien can't hold even one share.
- Estates, including a bankruptcy estate.
- Certain trusts: a grantor trust treated as owned by an eligible individual; a former grantor trust or a testamentary trust for two years after the death; a voting trust; and any trust that elects to be a QSST (qualified subchapter S trust) or an ESBT (electing small business trust).
- Certain tax-exempt organizations: 501(c)(3) charities and qualified retirement plan trusts.
Family members can count as one shareholder for the 100 limit, but each one still has to be eligible.
The owners that don't
- C corporations. Any amount, even 1%.
- Partnerships, including a multi-member LLC taxed as a partnership.
- Another S corporation, unless it owns 100% of the stock and makes a qualified subchapter S subsidiary (QSub) election on Form 8869.
- Nonresident aliens, directly or as a spouse holding title.
- Non-grantor trusts that haven't made a QSST or ESBT election.
- IRAs, traditional or Roth (outside a narrow rule for bank S corporations).
A single-member LLC that's disregarded for tax purposes is fine as long as its one owner is eligible, because the IRS looks straight through it to that owner.
Five changes that trip the rule
1. "Let's put everything under a holding company." The client forms Holdings, Inc. and contributes the shares of the operating S corporation. If Holdings is a C corporation, the S election ends the day the shares move. If Holdings is itself an S corporation, the subsidiary needs a QSub election, which only works if Holdings owns all of it.
2. The family LLC. Parents form an LLC with their children to hold family business interests, then transfer some S stock into it. A multi-member LLC is a partnership by default, and a partnership can't own S stock.
3. Estate planning that ends at a non-grantor trust. A revocable trust is a grantor trust and can hold S stock. When the grantor dies, it becomes a non-grantor trust; it has two years, and after that it needs a QSST or ESBT election, which has its own timing. An irrevocable trust drafted without S corporation language can also fail on day one.
4. The friendly investor. A key employee's spouse invests through their IRA, or a cousin abroad buys in. Both are ineligible owners.
5. A partial sale to the subsidiary's parent. An S corporation that owns 100% of a QSub sells 10% to an outside buyer. The QSub election terminates, and the subsidiary becomes a new corporation that has to qualify on its own.
What happens when it breaks
The election terminates on the date the corporation stops qualifying (§1362(d)(2)), not at year end. The year is split into a short S year and a short C year, and the corporation generally can't re-elect S status for five years without IRS consent.
If the problem was inadvertent and is fixed promptly, §1362(f) lets the IRS treat the corporation as if it never lost its status — usually through a private letter ruling, with fees and professional time to match. Late QSST and ESBT elections can often be fixed through simplified procedures if they are caught early. Either way, the fix is far cheaper when someone catches the problem the month it happens rather than three years later during a sale.
A practical check for your client book
For every S corporation you serve, it's worth confirming three things at least once a year:
- Who holds each share today, and whether any owner is an entity or a trust.
- How each entity owner is taxed — not what it's called. "Lane Holdings LLC" tells you nothing until you know whether it's disregarded, a partnership or a corporation.
- For each trust owner, whether it's a grantor trust, and if not, whether and when a QSST or ESBT election was filed.
This is exactly the check EntityMap runs automatically. When ownership is recorded, it compares each S corporation's owners against their tax classification and flags a C corporation, partnership or non-electing trust shareholder the moment it appears — on the ownership chart and on the client's review list — so the conversation with the client happens before the year closes.
Further reading: IRS — About Form 2553, Election by a Small Business Corporation and About Form 8869, Qualified Subchapter S Subsidiary Election.
This article is general information, current as of its date. It isn't legal or tax advice for any particular situation; check the rules that apply to your client before acting on it.