Xenon Pharmaceuticals Inc. (XENE) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: May 07, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 12.28% (2 years)
Historical Dilution Factor: moderate recent dilution
Outstanding Shares
87M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

XENE currently has 87.3M outstanding shares. with minimal authorized share overhang for future dilution. The company has diluted shareholders by 12.28% over the past 2 years through share issuances.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 07, 2026

10-Q filing | 87.3M shares outstanding

87M 0
Nov 03, 2025

10-Q filing | 79.2M shares outstanding

79M 0
Aug 11, 2025

10-Q filing | 79.0M shares outstanding

79M 0
May 12, 2025

10-Q filing | 78.7M shares outstanding

79M 0
Feb 27, 2025

10-K filing | 77.9M shares outstanding

78M 0
Nov 12, 2024

10-Q filing | 77.9M shares outstanding

78M 0
Aug 08, 2024

10-Q filing | 77.7M shares outstanding

78M 0
May 09, 2024

10-Q filing | 77.6M shares outstanding

78M 0
Feb 29, 2024

10-K filing | 75.4M shares outstanding

75M 0
Nov 30, 2023

8-K filing: Xenon Pharmaceuticals Inc. announced an underwritten public offering of 8,461,542 common shares at $32.50 per share and pre-funded warrants to purchase 769,230 common shares at $32.4999 per warrant, with net proceeds expected to be approximately $281.6 million.

66M 0
Nov 08, 2023

10-Q filing | 66.0M shares outstanding

66M 0
Aug 09, 2023

10-Q filing | 65.9M shares outstanding

66M 0
May 09, 2023

10-Q filing | 65.7M shares outstanding

66M 0
Mar 01, 2023

10-K filing | 60.5M shares outstanding

61M 0
Nov 08, 2022

10-Q filing | 65.5M shares outstanding

65M 0
Aug 09, 2022

10-Q filing | 56.2M shares outstanding

56M 0
Jun 23, 2022

8-K filing: Xenon Pharmaceuticals Inc. entered into an underwriting agreement for a public offering of 7,868,854 common shares and pre-funded warrants to purchase 327,868 common shares at an exercise price of $0.0001 per share, with the offering price of the common shares at $30.50 per share and the pre-funded warrants at $30.4999 per warrant. ($234.6M proceeds)

53M 99K
May 10, 2022

10-Q filing | 53.1M shares outstanding

53M 99K
Mar 01, 2022

10-K filing | 51.9M shares outstanding

52M 1.3M
Jan 12, 2022

8-K filing: Xenon Pharmaceuticals Inc. issued and sold 258,986 common shares to Neurocrine Biosciences, Inc. in a private placement for $8.25 million at a price of $31.855 per share. ($0.0M proceeds)

52M 1.6M
Nov 10, 2021

10-Q filing | 51.6M shares outstanding

52M 1.6M
Oct 06, 2021

8-K filing: Xenon Pharmaceuticals Inc. entered into an underwriting agreement for a public offering of 8,474,577 common shares and pre-funded warrants to purchase 1,694,915 common shares at an exercise price of $0.0001 per share, with the offering price of the Firm Shares at $29.50 per common share and the Pre-Funded Warrants at $29.4999 per Pre-Funded Warrant. ($300.0M proceeds)

41M 12M
Sep 08, 2021

8-K filing: Xenon Pharmaceuticals Inc. issued and sold 275,337 common shares to Neurocrine Biosciences, Inc. in a private placement for $5.5 million, or $19.9755 per share, pursuant to a Share Purchase Agreement. ($5.5M proceeds)

41M 12M
Aug 11, 2021

10-Q filing | 41.1M shares outstanding

41M 12M
May 11, 2021

10-Q filing | 41.0M shares outstanding

41M 12M
Mar 10, 2021

8-K filing: Xenon Pharmaceuticals Inc. entered into an underwriting agreement for a public offering of 4,324,325 common shares at $18.50 per share and pre-funded warrants to purchase 1,081,081 common shares at an exercise price of $0.0001 per share, with net proceeds expected to be approximately $93.7 million. ($80.02M proceeds)

36M 17M
Mar 01, 2021

10-K filing | 35.8M shares outstanding

36M 17M
Nov 05, 2020

10-Q filing | 35.0M shares outstanding

35M 18M
Aug 06, 2020

10-Q filing | 35.0M shares outstanding

35M 18M
Jun 03, 2020

S-3 filing: Xenon Pharmaceuticals Inc. is filing an S-3 to register Common Shares, Preferred Shares, Warrants and Units for a total proposed amount of $250,000,000.

35M 18M
Mar 09, 2020

10-K filing | 35.0M shares outstanding

35M 0
Jan 13, 2020

8-K filing: Xenon Pharmaceuticals Inc. completed an at-the-market equity offering, selling 3,252,330 common shares for gross proceeds of $50.0 million and net proceeds of approximately $48.8 million. ($50.0M proceeds)

N/A 0
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