Phase Space Research

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RDDT · Investment summary · as of 4 August 2026

Priced below what the business already delivers

Portfolio decision
Held in the growth book
Position size
5.1%
Price · 4 August 2026
$160.07
12-month target
$189.66 +18%
Expected return
+18.5%
Next decision point
29 October 2026Results expected (estimated)

Business type: Compounder · scaling but economically observable

Size is the strategy's, set against its own position and exposure limits.

Investment view

At $160.07, RDDT requires a 42% five-year revenue growth rate to justify its enterprise value — less than the business already delivers, at 67%.

The value rests on an exit multiple of 7.8x, a terminal operating margin of 35% and a 12.9% cost of capital. Move any one of them materially and the conclusion moves with it, which is why the required-versus-demonstrated test above carries more weight here than the point value.

The strongest argument against this view: structural loss of third-party search and AI-answer referral traffic.

Underwriting bridge

QuestionEvidence-based conclusion
What drives the business?Grade B: every operating input is filed and current (10-Q filed 31 July 2026, four days old), but the terminal margin rests on a bridge rather than on a stable history, and the governing growth window is measuring a decelerating series.
What do we forecast?Revenue growth of 67% demonstrated; a terminal operating margin of 35%; an exit multiple of 7.8x.
What does Street forecast?Not determined — no consensus estimates are joined to this record
Where do we differ?On revenue growth, the difference between what the price requires and what the business has demonstrated is +24.2 percentage points.
What is it worth?Twelve-month target $189.66, +18% from the struck price. Scenario-weighted expected return net of costs +18.5%.
Why now?Date not announced — no dated event that would resolve the disagreement is on file

What must go right

  1. By Date not announced — no test date is stated for this conditionThe condition does not occur: US total DAUq declines year-over-year in any reported quarterWhere it stands: Not determined — no current reading of this metric is on file
  2. By Date not announced — no test date is stated for this conditionTotal revenue growth falls at or above 30% year-over-year in any quarterWhere it stands: Not determined — no current reading of this metric is on file
  3. By Date not announced — no test date is stated for this conditionGAAP operating margin falls at or above 20% for two consecutive quartersWhere it stands: Not determined — no current reading of this metric is on file

Catalysts and falsifiers

Date or windowEventThesis confirmed ifThesis weakened or refuted if
29 October 2026Next results (date estimated, not issuer-confirmed)Revenue and margin in line with, or above, the house pathA miss that moves the full-year path below the guided floor

Dates marked as estimated are drawn from the company’s own reporting cadence, not from an announcement.

Risk and sell discipline

Impairment case

Structural loss of third-party search and AI-answer referral traffic. This is a mechanism, not a multiple forecast. Logged-out users are 77.7m of 130.3m global DAUq (59.6%) and are the cohort that search referrals feed. The Q2'26 10-Q discloses that US logged-in DAUq YoY growth has decayed monotonically over eight quarters — 29%, 24%, 19%, 12%, 7%, 5%, 1%, 1% — and US total DAUq FELL SEQUENTIALLY for the first time (53.5m in Q1'26 to 53.2m in Q2'26). Management's own words: 'Search referrals were choppy in the quarter, and traffic was more volatile later in the quarter', and 'our visibility in referral traffic remains low'. If AI answer engines continue to satisfy the queries that previously sent users to Reddit threads, the logged-out funnel shrinks permanently, impressions fall, and the ARPU engine that is currently carrying revenue (+51% US ARPU on +6% US DAUq) loses its base.

Estimated probability 30%, against the 23% 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 $121.62 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

Trim or exit when the forward 12-month E[R], recomputed on then-current NTM revenue and RDDT's then-current position in its own EV/Sales history, falls to or below 0% net of costs. On approach to the $189.66 target the case is reviewed rather than added to; a target reached is a reason to re-examine the position, not to hold it by default. The position is trimmed once forward expected return falls below 0% net of costs, because the capital has a better use elsewhere in the book.

Investment criteria

CriteriaStatusInvestment meaning
QualityMetIs the business worth owning under its declared economic type?
ValuationMetIs the operating path required by today's price achievable?
LiquidityMetCan the intended position be built and exited in the right vehicle?
DownsideMetStructural loss of third-party search and AI-answer referral traffic.
MomentumNot determinedDoes price action support or complicate entry timing? Not established on the evidence on file.
CatalystNot determinedIs there a dated event that resolves the disagreement? Not established on the evidence on file.
ConsensusNot determinedIs the house-versus-Street disagreement identified and quantified? Not established on the evidence on file.

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 strongest case for mispricing is that the business already delivers +24.2 percentage points more growth than the price requires. The most important unresolved uncertainty is the permanent-loss mechanism: structural loss of third-party search and AI-answer referral traffic. The next evidence that should change the portfolio decision is the next scheduled results, or a daily close below $121.62, which forces an immediate review.