Xilio Therapeutics, Inc. (XLO) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: May 27, 2026

Risk Assessment Details

Potential Dilution: 6899.35% of current shares
Recent Dilution: 35.61% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
5.8M
Potential Supply
400M
Additional shares possible
Splits
None
Past 2 years

Summary

XLO currently has 5.78M outstanding shares. with significant dilution risk as 399M authorized shares could dilute existing holders by 6899.3%. The company has significantly diluted shareholders by 35.61% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 27, 2026

S-3/A filing: The company is registering up to $250,000,000 in aggregate securities, including an at-the-market offering of common stock through Leerink Partners for up to $14,500,000.

5.8M 400M
May 12, 2026

S-3 filing: Xilio Therapeutics, Inc. filed an S-3 registration statement for an at-the-market offering of common stock with an aggregate offering price of $17,220,000, as part of a broader $250,000,000 shelf registration.

5.8M 400M
May 12, 2026

10-Q filing | 5.8M shares outstanding

5.8M 400M
Mar 23, 2026

10-K filing | 5.8M shares outstanding

5.8M 400M
Nov 13, 2025

10-Q filing | 52.5M shares outstanding

53M 400M
Aug 14, 2025

10-Q filing | 51.8M shares outstanding

52M 400M
May 08, 2025

10-Q filing | 51.8M shares outstanding

52M 400M
May 06, 2025

S-3/A filing: Xilio Therapeutics, Inc. may offer and sell securities from time to time in one or more offerings of up to $250,000,000 in aggregate offering price. The net proceeds from this offering will be used for working capital, capital expenditures and other general corporate purposes.

46M 400M
Mar 11, 2025

10-K filing | 53.5M shares outstanding

54M 59M
Mar 11, 2025

S-3 filing: Xilio Therapeutics, Inc. may offer and sell securities from time to time in one or more offerings of up to $250,000,000 in aggregate offering price.

46M 59M
Feb 12, 2025

8-K filing: Xilio Therapeutics, Inc. entered into a collaboration, license and option agreement with AbbVie Group Holdings Limited, including an equity investment by AbbVie in Xilio's common stock. The Company sold 4,347,826 shares of its common stock to AbbVie Inc. at a purchase price of $2.30 per share for an aggregate purchase price of $10.0 million. ($10.0M proceeds)

44M 59M
Dec 19, 2024

8-K filing: Xilio Therapeutics, Inc. completed the sale of an aggregate of 1,759,978 shares of common stock and a prefunded warrant to purchase up to an aggregate of 6,092,816 shares of common stock to Gilead Sciences, Inc. on December 18, 2024, for approximately $8.2 million in gross proceeds, completing the $25.0 million aggregate investment under the Stock Purchase Agreement. ($0.0M proceeds)

44M 59M
Nov 07, 2024

10-Q filing | 44.0M shares outstanding

44M 59M
Aug 08, 2024

10-Q filing | 44.0M shares outstanding

44M 59M
May 14, 2024

10-Q filing | 36.9M shares outstanding

37M 59M
Apr 30, 2024

S-3 filing: This S-3 filing relates to the resale of up to 17,580,566 shares of common stock of Xilio Therapeutics by selling stockholders, including shares issuable upon the exercise of outstanding pre-funded warrants.

34M 59M
Apr 01, 2024

10-K filing | 34.5M shares outstanding

34M 42M
Mar 28, 2024

8-K filing: Xilio Therapeutics entered into a license agreement with Gilead, including an initial equity investment by Gilead, and also entered into a securities purchase agreement with accredited investors for a private placement. ($24.8M proceeds)

28M 42M
Mar 28, 2024

8-K filing: Xilio Therapeutics, Inc. closed a private placement with Gilead Sciences, Inc. on March 28, 2024, issuing 6,860,223 shares of common stock at $1.97 per share for approximately $13.5 million. ($13.5M proceeds)

34M 42M
Nov 09, 2023

10-Q filing | 27.5M shares outstanding

28M 42M
Aug 14, 2023

10-Q filing | 27.5M shares outstanding

27M 42M
May 09, 2023

10-Q filing | 27.4M shares outstanding

27M 42M
Mar 02, 2023

10-K filing | 27.4M shares outstanding

27M 42M
Nov 09, 2022

10-Q filing | 27.4M shares outstanding

27M 42M
Nov 09, 2022

S-3 filing: Xilio Therapeutics, Inc. may offer and sell common stock, preferred stock, debt securities, units, and warrants from time to time in one or more offerings up to $250,000,000 in aggregate offering price.

27M 42M
Aug 09, 2022

10-Q filing | 27.4M shares outstanding

27M 7.6M
May 12, 2022

10-Q filing | 27.4M shares outstanding

27M 7.6M
Mar 01, 2022

10-K filing | 27.5M shares outstanding

27M 7.6M
Dec 02, 2021

10-Q filing | 27.5M shares outstanding

27M 7.6M
Oct 18, 2021

S-1/A filing: This S-1/A filing outlines an offering of common stock with an option to purchase additional shares, intended for advancing clinical trials and general corporate purposes.

910K 7.6M
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