Biohaven Ltd. (BHVN) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: May 04, 2026

Risk Assessment Details

Potential Dilution: 15.58% of current shares
Recent Dilution: 59.55% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
150M
Potential Supply
23M
Additional shares possible
Splits
None
Past 2 years

Summary

BHVN currently has 148M outstanding shares. with limited dilution risk as only 23M additional shares (15.6%) are authorized for issuance. The company has significantly diluted shareholders by 59.55% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 04, 2026

10-Q filing | 147.6M shares outstanding

150M 23M
Nov 13, 2025

8-K filing: Biohaven Ltd. completed a public offering of 26,833,334 common shares, including the exercise of the underwriters' option, at $7.50 per share, resulting in gross proceeds of approximately $200 million. ($200.0M proceeds)

110M 23M
Nov 10, 2025

10-Q filing | 105.8M shares outstanding

110M 23M
Aug 15, 2025

8-K filing: Biohaven Ltd. filed a prospectus supplement regarding the resale of 3,588,688 common shares by a selling shareholder, issued as consideration for an amendment to a purchase agreement.

100M 23M
Aug 11, 2025

10-Q filing | 102.4M shares outstanding

100M 23M
May 12, 2025

10-Q filing | 101.9M shares outstanding

100M 23M
Mar 03, 2025

10-K filing | 102.1M shares outstanding

100M 23M
Nov 12, 2024

10-Q filing | 94.4M shares outstanding

94M 23M
Oct 02, 2024

8-K filing: Biohaven Ltd. completed a public offering of 6,052,631 common shares at $47.50 per share, resulting in gross proceeds of approximately $287.5 million. ($287.5M proceeds)

95M 23M
Aug 16, 2024

8-K filing: Biohaven Ltd. filed a prospectus supplement to its Registration Statement on Form S-3 with respect to the resale by a selling shareholder of 1,872,874 common shares that were issued by the Company to such selling shareholder as share consideration.

88M 23M
Aug 09, 2024

10-Q filing | 87.8M shares outstanding

88M 23M
May 17, 2024

8-K filing: Biohaven Ltd. filed a prospectus supplement related to the resale of 211,418 common shares by selling shareholders, which were initially issued as share consideration in connection with certain transactions and business arrangements.

82M 23M
May 09, 2024

10-Q filing | 81.6M shares outstanding

82M 23M
Apr 22, 2024

8-K filing: Biohaven Ltd. completed a public offering of 6,451,220 common shares at $41.00 per share, resulting in gross proceeds of approximately $264.5 million before deductions. ($264.5M proceeds)

82M 23M
Mar 12, 2024

8-K filing: Biohaven Ltd. filed a prospectus supplement regarding the resale of 45,883 common shares by selling shareholders.

82M 23M
Feb 29, 2024

10-K filing | 81.6M shares outstanding

82M 23M
Nov 14, 2023

10-Q filing | 80.2M shares outstanding

80M 23M
Oct 05, 2023

8-K filing: Biohaven Ltd. completed a public offering of 11,761,363 common shares at $22.00 per share on October 5, 2023, including the full exercise of the underwriters' option, resulting in gross proceeds of approximately $258.7 million. ($258.7M proceeds)

68M 23M
Jul 31, 2023

10-Q filing | 68.2M shares outstanding

68M 23M
May 12, 2023

10-Q filing | 68.2M shares outstanding

68M 23M
Mar 23, 2023

10-K filing | 68.2M shares outstanding

68M 23M
Nov 09, 2022

10-Q filing | 68.2M shares outstanding

68M 23M
Oct 20, 2022

S-1/A filing: Biohaven Ltd. is offering 20,000,000 common shares with an option for underwriters to purchase an additional 3,000,000 common shares, intending to use the net proceeds for general corporate purposes.

39M 23M
Oct 18, 2022

S-1 filing: Biohaven Ltd. is offering 20,000,000 common shares (or 3,000,000 common shares if the underwriters exercise in full their option to purchase additional common shares) at a price of $10.35 per share. The company intends to use the net proceeds from this offering for general corporate purposes.

39M 40M
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