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36 /100
MEDIUM RISK
Score updated Jul 28, 2026

XLO — Xilio Therapeutics, Inc. Dilution Risk Tracker

Track XLO dilution risk with DilutionWatch's stock tracker. DilutionScore™ measures dilution risk across 5 factors — lower scores indicate higher risk of share dilution.

⚠️ Not financial advice. Do your own research before making any investment decisions.

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As of July 28, 2026, Xilio Therapeutics, Inc. (XLO) has a DilutionWatch DilutionScore of 36/100, rated MEDIUM dilution risk. Xilio Therapeutics, Inc. has a market capitalization of $55.63M, 5.78M shares outstanding, 2 institutional holders tracked. Key dilution vectors include ATM program capacity of $9.50M, approximately 62 months of cash runway.

Source: DilutionWatch (dilutionwatch.com) — data updated daily from SEC EDGAR filings. Not financial advice.

Score Breakdown

📋 Offering Ability
46
💰 Cash Runway
0
📊 Float Risk
30
⚠️ Warrant Exposure
40
🔄Convertible Debt

Dilution Forecast

☀️
Clear
No significant dilution signals
9%
💰 Capital Raise 18%
• Active ATM program with $10M remaining capacity
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Market Data

Market Cap$55.63M
Shares Outstanding5.78M
Float3.65M
Cash$150.33M
DebtN/A
Short InterestN/A

Institutional Holdings

QoQ: ↓ 93.8% shares (2026Q1 vs prior)
2 institutional holders · 2.45M shares
#1 MORGAN STANLEY 1.80M shares
#2 GILEAD SCIENCES, INC. 650.4K shares

Short Interest

Short Interest268.2K
Days to Cover4.5
% of Float7.3%
FINRA data as of Jul 15, 2026

Recent SEC Activity

xbrl XBRL WARRANT 2025-12-31
xbrl XBRL CONVERTIBLE 2021-12-31
4 INSIDER TRANSACTION 2026-03-30
4 INSIDER TRANSACTION 2026-02-17
424B5 ATM 2026-02-12
Full SEC filing analysis available with free account

Recent News

No recent news

What This Means for XLO Shareholders

Xilio Therapeutics, Inc. (XLO) has a DilutionScore of 36/100, rated Medium dilution risk. This tier indicates some dilution exposure — often an older shelf registration with remaining capacity, warrants not yet exercised, or a cash position that will require monitoring over the next several quarters. Score as of July 28, 2026.

XLO has an active ATM (at-the-market) program with $9.5M remaining capacity. ATM programs allow companies to sell shares continuously into the open market through a broker-dealer — without announcing a secondary offering. This creates a silent but steady source of share dilution that shows up in quarterly share count increases rather than a discrete offering event.

DilutionWatch tracks over 25 SEC filing types for XLO in real-time, scanning EDGAR every 60 seconds. Recent 8-K filings are present; material events disclosures can sometimes precede or accompany capital raises. The DilutionWatch shows real-time score changes for XLO alongside comparable medium-risk stocks. Not financial advice — this analysis is for informational purposes only.

How ATM Offerings Work →

Understanding XLO's Dilution Risk Factors

Primary Risk Drivers

The two most significant dilution drivers for Xilio Therapeutics are Offering Ability and Cash Runway. Offering Ability scores at a moderate level, indicating the company has the capacity to raise capital through equity offerings, which can increase share count. Cash Runway is at the lowest end of the scale, meaning the company has a long runway with its current cash reserves, yet this also implies that it may be relying on future funding to sustain operations. This reliance creates a risk that new shares will be issued to raise capital, diluting existing shareholders.

Factors Currently Not a Concern

Float Risk and Warrant Exposure are currently low, suggesting that the company’s outstanding shares are not heavily concentrated in a small group and that warrant activity is not yet posing a major threat. However, any significant increase in the number of warrants or a large-scale stock offering could quickly elevate these scores. A change in the company's capital structure or new financing rounds would be key indicators for a shift in risk levels.

SEC Filings to Watch

Critical filings to monitor include S-3 registration statements, which signal potential large equity offerings; 424B5 documents that often accompany offerings and provide details on share issuance; 8-K Item 1.01 for any material events such as new financing or board decisions related to capital structure; and 10-Q reports, which show cash position changes and may reveal upcoming funding needs or dilutive activities.

How Dilution Happens

Dilution occurs when the company issues new shares to raise capital. For example, if Offering Ability is high and the company needs funds, it might issue new stock through a public offering or private placement. These new shares increase the total number of outstanding shares, reducing the ownership percentage of existing shareholders. If convertible notes or warrants are exercised, they also convert into common stock, further increasing share count and diluting existing positions.

What Would Make This Worse

A worsening risk profile could occur if the company’s cash runway shrinks significantly and it begins issuing new equity frequently to fund operations. A large convertible note conversion or a sudden spike in warrant activity would also increase dilution pressure. Additionally, if the company enters into a major licensing deal or partnership that requires additional capital, this could trigger further share issuance and amplify the risk.

Key Insight

While XLO’s Cash Runway is currently strong, its reliance on future equity financing increases dilution risk over time.

How to Monitor XLO for Dilution Risk

What This Risk Level Means

For an operating company in the micro-cap space like Xilio Therapeutics, a medium dilution risk profile signals that while the company is not currently in immediate danger of severe dilution, it has structural elements that could lead to increased share count in the future. Micro-caps often rely on equity financing to fund operations and growth, which inherently increases dilution risk. The elevated factors — offering ability, float risk, warrant exposure, and convertible note risk — point to potential pathways for new shares to enter the market. This is particularly important for investors watching a company that may be in a growth phase or facing capital constraints.

What Typically Happens Next

Companies with this profile often proceed through equity-based financing mechanisms such as shelf registrations, ATM programs, or warrant exercises. These activities are more common in micro-cap firms that are actively seeking capital to fund operations, product development, or strategic initiatives. The timing of these events can be unpredictable but often occurs during periods of financial stress or growth acceleration. For XLO, the presence of convertible notes and warrants increases the likelihood of future dilution unless these instruments are refinanced or converted into equity at favorable terms.

Monitoring Playbook

To track XLO’s dilution risk effectively, use DilutionWatch to set up alerts for changes in key factors like offering ability and warrant exposure. Monitor the company's SEC filings monthly, with a focus on Form S-1, S-3, and any amendments that indicate new equity offerings. Set thresholds at 40/100 for any factor to trigger a closer look. If a score rises above this level, investigate further. Additionally, check Shelf & ATM Monitor regularly for signs of upcoming or active equity programs that could impact share count.

Early Warning Signals

Three key warning signals include: 1) A sudden increase in offering ability score, indicating a potential new financing event; 2) An uptick in warrant exposure or convertible note risk, suggesting more shares may soon be issued; and 3) The filing of a shelf registration or ATM program, which can lead to rapid dilution if executed. These signals, when observed together, strongly indicate that the company’s dilution risk profile is worsening and requires immediate attention.

What a Positive Resolution Looks Like

A positive shift in XLO’s dilution risk profile would occur through actions such as completing a capital raise at favorable terms, which could reduce offering ability and float risk. Alternatively, if warrants or convertible notes are refinanced or expire without conversion, the risk factors tied to those instruments would decrease. The most significant improvement would be a combination of reduced exposure across all dilution factors, particularly warrant and convertible note risk, signaling that the company has stabilized its capital structure.

Watch For

Any sudden score increases in offering ability or warrant exposure — these are early indicators of potential new share issuance.

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