Phase Space Research

AST SpaceMobile

ASTS · Investment summary · as of 12 August 2026

Priced for an operating path the record does not support

Portfolio decision
No position
Price · 12 August 2026
$74.31
12-month target
Not determined
Expected return
Not determined
Next decision point
30 June 2027Thesis condition tested

Business type: Capital scale-up · venture-like, not yet economically observable

The evidence needed to judge business quality is not established, so the underwriting supports no position.

Investment view

At $74.31, ASTS requires a 147% five-year revenue growth rate to justify its enterprise value — more than the business has ever demonstrated, at 64%.

The only disagreement with the market this security can express is whether SpaceMobile Service revenue appears at extraordinary scale and speed.

Street revenue is $164m for the current year, $672m the year after. Estimates have moved down on both lines. A bridge requires both sides to be valuing the same thing on a comparable instrument.

The disagreement is scheduled to resolve inside Q4 2026 - H1 2027, when the dated events below land.

The strongest argument against this view: a financing gap arriving when the equity cannot absorb it.

Underwriting bridge

QuestionEvidence-based conclusion
What drives the business?The only disagreement with the market this security can express is whether SpaceMobile Service revenue appears at extraordinary scale and speed.
What do we forecast?Revenue growth of 64% demonstrated.
What does Street forecast?Consensus: current-year revenue $164m; next-year revenue $672m; current-year earnings per share -$1.49. Down on both lines.
Where do we differ?A bridge requires both sides to be valuing the same thing on a comparable instrument. On revenue growth, the difference between what the price requires and what the business has demonstrated is -82.9 percentage points.
What is it worth?Outcome values run from $3.00 to $183.02 per share. The spread is the thesis: this is a distribution of outcomes, not a point estimate.
Why now?Q4 2026 - H1 2027: beta service initiation (promised in 2026), Q3 2026 results (~November 2026), the J-LEO/Rakuten final award, the Ligado Chapter 11 closing, and the BB14-16 / BB17-46 launch cadence.

What must go right

  1. By 30 June 2027At least 25 BlueBird satellites in orbit by 30 June 2027Where it stands: 13 in orbit; BB14-16 ready to ship; BB17-46 in production.
  2. By FY2026 10-K (~March 2027)FY2026 revenue at or above $150.0m — the bottom of the company's own reaffirmed guidance rangeWhere it stands: H1 2026 revenue $46.255m; H2 must deliver $104-154m, i.e. 2.2x-3.3x the H1 run rate.
  3. By each raise; each 10-QA capital raise executed at no more than a 25% discount to the prevailing price, and quarter-end cash plus restricted cash at or above $1.0bn with no committed undrawn facilityWhere it stands: July 2026 raise priced at a 1.625% coupon with an effective conversion price ~2x spot; pro-forma cash $3,742.6m.

Catalysts and falsifiers

Date or windowEventThesis confirmed ifThesis weakened or refuted if
30 June 2027The constellation-cadence leg of the thesisAt least 25 BlueBird satellites in orbit by 30 June 2027Fewer than 25 BlueBird satellites in orbit by 30 June 2027
FY2026 10-K (~March 2027)The near-term commercial-execution legFY2026 revenue at or above $150.0mFY2026 revenue below $150.0m
each raise; each 10-QThe financing-access leg — the impairment case's named causeA capital raise executed at no more than a 25% discount to the prevailing price, and quarter-end cash plus restricted…A capital raise executed at more than a 25% discount to the prevailing price, OR quarter-end cash plus restricted cash…
quarterly through Q2 2027The commercialisation leg — the entire terminal valueRevenue is recognised on the line the thesis depends onNo revenue recognised from the SpaceMobile Service in any period through the quarter ending 30 June 2027

Risk and sell discipline

Impairment case

A financing gap arriving when the equity cannot absorb it. The mechanism is specific and it is not a multiple compressing — a launch or integration setback (BB7 is the demonstrated instance: placed into a lower-than-planned orbit by the New Glenn 3 upper stage on 19 April 2026 and de-orbited, a $125.911m loss on involuntary conversion net of $21.595m of insurance recovery) pushes continuous commercial service beyond the funded constellation, at a cash consumption rate of roughly $820m per quarter of capex plus opex; a rescue raise then prices at a deep discount to a depressed equity, or the Ligado transaction fails to close and the L-band spectrum position unwinds. This removes the asset's optionality at a named counterparty through a named mechanism; it does not re-run the same model at a lower multiple.

Estimated probability 22%, against the 13% level at which the position would be resized. It sits above that level, so this case could not be carried at full size.

Fundamental invalidation

Falsifiable and fundamental — not one of them is a price condition.

Price-based risk trigger

A daily close below $57.02 triggers an immediate review of the thesis and pauses additional buying. It is not an automatic sell unless a separate fundamental invalidation condition has been breached.

Upside sell discipline

Any position is an optionality-sleeve holding sized by the sleeve's own budget, not by E[R] rank — State D names are excluded from the ranked book, so there is no rank to size from. Trim back to the sleeve cap whenever appreciation doubles the position's weight.

Investment criteria

CriteriaStatusInvestment meaning
QualityNot determinedIs the business worth owning under its declared economic type? Not established on the evidence on file.
ValuationNot metIs the operating path required by today's price achievable?
LiquidityMet$1,010m of 20-day average dollar volume. Liquidity is not a constraint at any size this book would take.
DownsideMetA financing gap arriving when the equity cannot absorb it.
MomentumMetTiming only; blocks nothing. 12-1 momentum +49.9% against SPY +21.2% — a strong cross-sectional reading.
CatalystMetQ4 2026 - H1 2027: beta service initiation (promised in 2026), Q3 2026 results (~November 2026), the J-LEO/Rakuten final award, the Ligado Chapter 11 closing, and the BB14-16 / BB17-46 launch cadence.
ConsensusNot determinedA bridge requires both sides to be valuing the same thing on a comparable instrument.

Quality, valuation and liquidity can prevent a position on their own. The remaining four inform timing, sizing and monitoring, and never reject an investment by themselves.

Bottom line

The gap between what today's price requires and what the business has demonstrated is -82.9 percentage points, and that gap — not the multiple — is the case that the security is mispriced. The most important unresolved uncertainty is whether this is a business worth owning at all — the evidence for its quality is not established. The next evidence that should change the portfolio decision is the test dated 30 June 2027, or a daily close below $57.02, which forces an immediate review.