Xilio Development Inc logo

Xilio Development Inc(XLO)

upturn advisory logo
ADVISORIES YOU CAN VERIFY
QUALITY SIGNAL RECENCY
2-STAR RATING
WEAK BUY
BUY for 32 days
PROFIT SINCE LAST BUY
-6.21% ▼
LAST CLOSE
$8.91
10/01/2026
(24-hour delay)

Advisory History & Simulated Performance *

*as per simulation (see disclosures)
  • ALL
  • 1Y
  • 1M
  • 1W
  • BUY Advisory
  • SELL Advisory (Profit)
  • SELL Advisory (Loss)
  • Profit
  • Loss
  • PASS (Skip)
Upturn Stock price based on last close iconStock price based on last close

Advisory Performance History (Simulated)Advisory Performance History info

Upturn Advisory & Investor View for XLO

10/01/2026: XLO (2-star) has a low Upturn Star Rating. Not recommended to BUY.

Xilio Development Inc is a clinical-stage biotechnology company focused on engineering tumor-selective immunotherapies. Its main strength lies in its proprietary GeoX platform, which aims to reduce the toxicity associated with traditional oncology treatments. The primary investment opportunity is the potential for its clinical-stage assets to achieve proof-of-concept and lead to high-value pharmaceutical partnerships. However, the company faces significant risks, including the inherent uncertainty of clinical trials, heavy reliance on external funding, and intense competition from larger, well-capitalized firms. This stock may suit investors with a high risk tolerance who are interested in the long-term potential of transformative immuno-oncology developments.

How to Read the Upturn Advisory

The Upturn Star Rating and the current BUY, SELL, or PASS advisory are generated by Upturn’s AI advisory engine based on proprietary signal analysis, price behavior, advisory history, and historical signal performance.

Company fundamentals, valuation, risks, and news provide supporting context about the business.

Investor Fit

Investor styleFitWhy
Growth investorMixed fitXilio is a high-risk, high-reward play suitable only for investors comfortable with clinical trial volatility.
Momentum investorWeak fitMomentum is generally tied to positive clinical data catalysts rather than long-term technical trends.
Value investorWeak fitAs a pre-revenue company, Xilio lacks the earnings base required for traditional value investing.
Dividend investorWeak fitThe company does not pay dividends and reinvests all capital into research.
Low-risk investorWeak fitThe extreme volatility of pre-commercial biotech makes this unsuitable for low-risk portfolios.

Risk Profile

Risk factorLevelWhy it matters
Price volatilityHighClinical-stage biotech stocks fluctuate wildly based on news of trial results or funding updates.
Valuation riskHighValuations are speculative and depend heavily on future, uncertain clinical outcomes.
Competition risk (Immunotherapy)HighLarge pharmaceutical companies are better positioned to dominate the immuno-oncology market.
Business qualityMediumThe company relies on its proprietary platform, which has yet to be commercially validated.
Dividend incomeLow / noneInvestors should not expect any income from this security.
Execution riskHighSuccess depends entirely on the ability to navigate complex clinical and regulatory hurdles.

Price Behavior

Strong Uptrend
PRICE PATH

Strong Uptrend

The stock has maintained a strong upward price trend across the last three quarters.

Moderately Choppy
PRICE STABILITY

Moderately Choppy

The stock has experienced noticeable price swings while retaining some directional structure.

Analysis of Past Performance

Type Stock
Historic Profit -55.07%
Avg. Invested days 16
Today’s Advisory WEAK BUY
Upturn Advisory Rating upturn star rating icon
Upturn Advisory Performance Upturn Advisory Performance icon 2.0
Stock Returns Performance Upturn Returns Performance icon 1.0
Upturn Profits based on simulation icon Profits based on simulation
Upturn last close icon Last Close 10/01/2026

Upturn Scorecard

Upturn Star Rating

★★★★★
XLO receives a 3-star rating, supported by solid company fundamentals, and solid analyst coverage. The rating is constrained by soft unit economics, and weak price momentum.

Company Fundamentals

★★★★★
XLO has solid overall fundamentals (4 stars), with moderate financial health, strong growth momentum, and solid ownership. In FY2025 versus FY2024, strong earnings growth (+39.8%) and strong revenue growth (+589.9%) are partially offset by weak cash generation (FCF margin -12.6%), weak profitability (net margin -80.1%).

Financial Health Rating

★★★★★
XLO's financial health is supported by moderate liquidity, including working-capital and asset support (WC/assets 57.4%). Cash strength is soft (2 stars), which helps explain the 3-star overall score.

Growth Momentum Score

★★★★★
Revenue growth is XLO's strongest growth driver at +589.9% FY2025 versus FY2024 (strong, 5 stars). Earnings growth (+39.8%, strong) and free-cash-flow growth (+70.1%, strong) are also constructive, though not equally high across every growth measure.

Ownership

★★★★★
Institutional ownership is 50.2% and approximately 51.7% of outstanding shares are publicly tradable, supporting liquidity and institutional participation. Insider ownership of 25.98% supports management-shareholder alignment.

Top 5 Institutional Investors

Bain Capital Life Sciences Investors, LLC 10.09%
Orbimed Advisors LLC 9.00%
Frazier Life Sciences Management, L.P. 6.42%
Stonepine Capital Management Llc 3.43%
Vanguard Capital Management, LLC 2.71%

Unit Economics (Per $1K Revenue)

★★★★★
XLO generates approximately $965 of gross profit, $-959 of operating income, and $-126 of free cash flow for every $1,000 of revenue. Based on FY2025 results. Operating losses and cash burn explain the 2-star rating, with weak cash conversion and strong capital efficiency.

Economic Dimensions

★★★★★
Effective Tax Rate: 0.00%

Quantitative Style Profile

★★★★★
XLO has a liquid, relatively low-volatility profile. Weak momentum is the primary drawback.

Style Classification

Quality Focused

Value-OrientedLow VolatilitySmall / Mid Cap RiskShort Squeeze RiskHighly Liquid / Institution-Friendly

Key Highlights

Company Size Small-Cap Stock
Market Capitalization 59.55M USD
Price to earnings Ratio -
1Y Target Price 20
Price to earnings Ratio -
1Y Target Price 20
Volume (30-day avg) 9.5K shares
Beta -0.12
52 Weeks Range 6.47 - 12.59
Updated Date 10/01/2026
52 Weeks Range 6.47 - 12.59
Updated Date 10/01/2026
Dividends yield (FY) -
Basic EPS (TTM) -0.32

How Company Makes Money

Business areaWhat it includesRetail investor read
Research & DevelopmentClinical development of tumor-selective antibodies and cytokines.The company currently spends money rather than making it, with future revenue dependent on successful drug development.
Advertisement

Valuation

Trailing PE -
Forward PE -
Enterprise Value -70.91M
Price to Sales(TTM) 0.93
Enterprise Value -70.91M
Price to Sales(TTM) 0.93
Enterprise Value to Revenue 10.21
Enterprise Value to EBITDA -0.11
Shares Outstanding 6.58M
Shares Floating 3.40M
Shares Outstanding 6.58M
Shares Floating 3.40M
Percent Insiders 25.98
Percent Institutions 50.16

Icon representing Upturn AI-generated SWOT analysis summary Upturn AI Summary

Information icon for Upturn AI Summarization accuracy disclaimer AI Summarization is directionally correct and might not be accurate.

Information icon for Upturn AI Summarization data freshness disclaimer Summarized information shown could be a few years old and not current.

Information icon warning about Upturn AI Fundamental Rating based on potentially old data Fundamental Rating based on AI could be based on old data.

Information icon warning about potential inaccuracies or hallucinations in Upturn AI-generated summaries AI-generated summaries may have inaccuracies (hallucinations). Please verify the information before taking action.

Financial Metrics

🧭 Investment Snapshot

Total Revenue (Scale)

Information icon Total money earned from selling products or services before any costs. It is needed to understand the scale of the business and its ability to generate income.

Net Income (Profit)

Information icon Final profit after all expenses, interest, and taxes are deducted. It is needed to determine the overall profitability available to shareholders.

Free Cash Flow (Cash Strength)

Information icon Cash remaining after operating activities and capital expenditures, showing cash available for growth. It is needed to evaluate the company’s ability to invest, pay dividends, or reduce debt.

📈 Growth & Strength

Operating Income (Core Profit)

Information icon Profit from core operations after deducting all operating expenses. It is needed to measure how efficiently the company runs its primary business activities.

EBITDA (Cash Earnings)

Information icon Earnings before interest, taxes, depreciation, and amortization, indicating operating cash potential. It is needed to compare operating performance across companies without accounting or financing differences.

Gross Profit (Unit Profitability)

Information icon Revenue minus cost of revenue, showing profit after direct production costs. It is needed to evaluate core business profitability before overhead expenses.

🛡️ Financial Safety

Cash (Liquidity Buffer)

Information icon Total cash and cash equivalents on hand. It is needed to evaluate immediate liquidity and financial flexibility.

Total Debt (Leverage Risk)

Information icon Total debt including both short-term and long-term components. It is needed to assess the company’s leverage and financial risk.

Net Working Capital (Short-Term Health)

Information icon Current assets minus current liabilities, indicating short-term liquidity strength. It is needed to assess whether the company can meet its short-term obligations.

🧱 Balance Sheet Strength

Stockholder Equity (Net Worth)

Information icon Total equity value held by shareholders. It is needed to understand the net worth of the company from the owners’ perspective.

Total Assets (Asset Base)

Information icon The full value of everything the company owns, including cash, inventory, equipment, and investments. It is needed to understand the resource base used to generate revenue.

Income Before Tax (Pre-Tax Earnings)

Information icon Income before provision for income taxes. It is needed to analyze profitability independent of tax structures.

⚙️ Cost & Drag Factors

Cost of Revenue (Production Cost)

Information icon Direct costs required to produce and deliver the products or services sold. It is needed to assess efficiency in production and service delivery.

Total Operating Expenses (Operating Cost)

Information icon Indirect costs of running the business such as salaries, marketing, and administration. It is needed to understand how much it costs to sustain ongoing business operations.

Income Tax Expense (Tax Drag)

Information icon Amount of taxes paid or payable to the government. It is needed to evaluate the impact of taxation on overall profitability.

About Xilio Development Inc

Exchange NASDAQ
Headquarters Waltham, MA, United States
IPO Launch date 2021-10-22
President, CEO & Director Dr. Rene Russo BCPS, Pharm.D.
Sector Healthcare
Industry Biotechnology
Full time employees 76
Full time employees 76

Xilio Therapeutics, Inc., a clinical-stage biotechnology company, engages in the discovery and development of masked immuno-oncology therapies. The company's pipeline includes XTX501, a bispecific PD-1 / masked IL-2, for patients with metastatic non-small cell lung cancer; Efarindodekin alfa, an investigational, masked IL-12, that is in Phase 2 clinical trial for patients with advanced solid tumors; and Vilastobart, an investigational tumor-activated, Fc-enhanced, high affinity binding anti-CTLA-4 monoclonal antibody. The company was founded in 2016 and is headquartered in Waltham, Massachusetts.