stocktools
Dilution profile // every instrument, one screen, from SEC filings

Q32 Bio Inc. (QTTB)

CIK 1661998 · all EDGAR filings →

Overall dilution risk
HIGHworst of 4 computed signals (offering ability)
= the worst band among the computed sub-ratings, no hidden weighting
Offering ability
HIGH$437M registered
= total registered offering amount from the fee exhibits of live registrations (bands: $1M / $20M)
one or more live registrations had no structured fee data, so the true total is AT LEAST this
Overhead supply
LOWwarrants = 17% of O/S
= warrant shares outstanding divided by current shares outstanding (bands: 20% / 50%)
warrants only; converts, ATMs and equity lines are not in free structured data, so the true overhead is AT LEAST this
Historical dilution
LOW-49% O/S in 3y
= share count now vs 3 years ago (bands: 30% / 100%); a reverse split pushes this negative
a reverse-split-sized cliff is in this window; read the chart
Cash need
LOW~38 months of runway
= cash vs trailing operating burn (bands: 6mo / 24mo; positive operating CF = low)
the company itself flagged going-concern doubt

Same rating bands the category standard uses, but free, with the formula on the chip and the gaps in the data said out loud.

Shares outstanding over time

2021-03-082026-08-03

Latest: 29.8M shares as of Aug 3, 2026 (10-Q). Share count fell from 58.1M to 11.9M between Mar 1, 2024 and Mar 25, 2024, a pattern consistent with a reverse split (roughly 1-for-5); simultaneous issuance can skew the raw ratio, so confirm in the filings. The red bar marks the cliff.

Cash runway

Going-concern warning

auditor flagged substantial doubt

The company itself flagged going-concern doubt in a filing.

Full breakdown: cash runway tool · source filing →

Warrants

Warrants outstanding: 4.9M underlying shares, as reported Jun 30, 2026 (10-Q).

Rough fully diluted estimate: 34.7M = 29.8M O/S + 4.9M warrant shares. An estimate, not a filing figure: it ignores converts, options and RSUs, and the two inputs carry different as-of dates.

Convertible notes

No convertible-note facts tagged in the 10-Q filed Aug 5, 2026. If convertible notes exist, their terms live in exhibit prose for this filer and are not parsed; absence of a tag is not proof of absence. The exhibits are the ground truth.

Fully diluted build-up

Shares outstanding plus every potential-share instrument the filer tagged in XBRL, each at its own as-of date. An estimate assembled from filed figures, not a filing figure itself.

Shares outstanding29.8MAug 3, 2026
+ Warrants (aggregate, as tagged) (if exercised)4.9MJun 30, 2026
Fully diluted estimate34.7M+16.6% vs O/S

Still excluded, because the filer does not tag them in countable form: employee options and RSUs, any instrument living only in exhibit prose, and instruments above missing a share count. Inputs carry different as-of dates, shown per row. Each figure traces to the tranche and note tables above and their cited filings.

Registrations and offerings

Registered offering capacity on live registrations: $436.8Mfrom the structured fee exhibits; registered is not remaining, takedowns are not subtracted

S-3Jul 17, 2026$136.8M registeredfiling →
S-3Jun 25, 2026$300.0M registeredfiling →
S-3Apr 11, 2025no structured fee exhibit in this filing (predates fee-data XBRL or fee deferred)filing →

Last 12 months: 6 executed · 2 registered.

UPDATEJul 28, 2026Prospectus update — often a resale registration, not necessarily new capital424B3 →
EFFECTIVEJul 28, 2026SEC declared a registration effective — selling can beginEFFECT →
REGISTEREDJul 17, 2026S-3 registration — capacity to sell shares, not a sale yetS-3 →
EXECUTEDJul 15, 2026Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)424B5 →
EXECUTEDJul 13, 2026Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)424B5 →
EFFECTIVEJul 13, 2026SEC declared a registration effective — selling can beginEFFECT →
REGISTEREDJun 25, 2026S-3 registration — capacity to sell shares, not a sale yetS-3 →
EXECUTEDMay 27, 2026Unregistered share sale disclosed (8-K item 3.02)8-K →
EXECUTEDApr 24, 2026Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)424B5 →
EXECUTEDMar 27, 2026Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)424B5 →
EXECUTEDFeb 17, 2026Shelf takedown priced — shares or notes (small-caps: usually shares; open the filing to confirm)424B5 →
EFFECTIVEApr 21, 2025SEC declared a registration effective — selling can beginEFFECT →

Full history and shelf status: offering checker · S-3 shelf checker

Source: SEC EDGAR XBRL company facts and filing metadata, fetched live and cached briefly. Share counts are cover-page figures with their form named. Warrant tranches and convertible notes come from the dimensioned facts in the latest 10-Q/10-K instance document, exactly as the company tagged them; untagged tranches and notes are absent, not disproven. Nothing on this page is manually verified and nothing is behind a login: what free data supports is shown, what it cannot support is stated. Not investment advice.

Keep going: float checker · offering calendar · short-squeeze screener · full QTTB workspace