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UPBUpstream Bio, Inc.Sell5.6·$7.51+3.16%
UPB · Concentration risk · 10-K extracted

Upstream Bio (UPB) concentration risks

Updated

The most significant concentration Upstream Bio discloses is verekitug, classified HIGH by disclosed size. Below: the full set from the latest 10-K — verbatim quotes, filing references, and a synthesis of what these exposures mean together.

Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.

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Methodology · Editorial policy & full disclaimer

Source: Upstream Bio’s SEC Form 10-K filed view the filing on SEC EDGAR ↗

At a glance

Disclosed-size breakdown · 1 disclosed concentration

HIGH1
MEDIUM0
LOW0
Disclosed concentrations

Each card carries a disclosed-size chip (HIGH / MEDIUM / LOW — how large the exposure is as a share of revenue, not how dangerous it is) and a nature tag: Built-in(the company’s own model, geography, or products) or Outside party (an external customer, supplier, or distributor it relies on).

HIGHBuilt-in & outside partyPipeline

verekitug

10-K Item 1A: 'Verekitug is currently our only product candidate.'
SEC 10-K · filed Mar 2026
TrendMatrix Research · concentration synthesis

What these concentrations mean together

updated 2026-07-06

Upstream Bio's disclosed concentration is a single-asset pipeline dependency: verekitug is currently the company's only product candidate. This exposure is disclosed at a high share level, and the filing characterizes its character as mixed, reflecting that the risk has both a structural component — having one candidate is simply the current state of a clinical-stage biotech's pipeline — and an idiosyncratic component, since verekitug's own clinical, regulatory, and commercial outcomes will determine the company's fate. Because there is only this single disclosed exposure, it functions as the entirety of Upstream Bio's investment thesis rather than one risk among several. Unlike a company with multiple programs where a setback in one can be offset by progress in another, Upstream Bio has no other disclosed product candidate to diversify against a clinical trial failure, regulatory rejection, or commercial disappointment tied to verekitug. For investors, this means the stock's near-term and long-term value is essentially a direct bet on one molecule, and any material news about verekitug — positive or negative — should be expected to move the company's prospects in a highly correlated way, with no offsetting exposure disclosed elsewhere in the filing.

For the engine’s reasoning on UPB’s current verdict — including which dimensions drove the score — see the per-dimension breakdown.

Industry peers · Biotechnology

Peer concentration profile

SymbolNameHIGHMEDIUMLOWTotal
ACADACADIA Pharmaceuticals Inc.2002
ABUSArbutus Biopharma Corporation1102
ABSIAbsci Corporation1001
UPBUpstream Bio, Inc.1001
ABCLAbCellera Biologics Inc.0000
ACHVAchieve Life Sciences, Inc.0000

Concentration counts reflect items disclosed in each peer’s most recent 10-K; disclosed-size classification uses TrendMatrix’s internal 10-K extraction taxonomy.

Concentration disclosures are extracted verbatim from SEC 10-K filings; the disclosed-size classification and the synthesis above are engine-derived. Size reflects how large each exposure is against fixed share thresholds (HIGH >50%, MEDIUM 25–50%, LOW <25% or an explicit diversification statement), not a judgment of how dangerous it is, and is not a buy/sell rating, a price target, or a view on the stock. Not a complete list of risk factors — see the full filing.

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