ALUMIS INC. (ALMS) - Dilution Analysis
Visualizing historical and potential share dilution over time
Dilution Analysis
Risk Assessment Details
Summary
ALMS currently has 125M outstanding shares. with significant dilution risk as 153M authorized shares could dilute existing holders by 122.1%. The company has significantly diluted shareholders by 241.2% over the past 2 years, indicating aggressive capital raising.
Share Structure Timeline
Historical Data Points
| Date | Event | Outstanding | Supply |
|---|---|---|---|
| May 14, 2026 |
10-Q filing | 125.1M shares outstanding |
130M | 150M |
| Mar 19, 2026 |
10-K filing | 99.1M shares outstanding |
99M | 150M |
| Jan 09, 2026 |
8-K filing: The Company completed a public offering of 17,650,000 shares of common stock at a price of $17.00 per share, resulting in gross proceeds of approximately $345.1 million, and the underwriters exercised their option to purchase an additional 2,647,500 shares. ($345.1M proceeds) |
47M | 150M |
| Nov 13, 2025 |
10-Q filing | 47.2M shares outstanding |
47M | 150M |
| Aug 13, 2025 |
10-Q filing | 96.9M shares outstanding |
97M | 150M |
| Jul 03, 2025 |
S-3 filing: Alumis Inc. files an S-3 registration statement to offer and sell up to $400,000,000 of common stock, preferred stock, debt securities, and warrants from time to time. |
47M | 150M |
| May 14, 2025 |
10-Q filing | 47.2M shares outstanding |
47M | 20M |
| Apr 21, 2025 |
8-K filing: Alumis Inc. and ACELYRIN, Inc. amended their merger agreement, with ACELYRIN shareholders receiving 0.4814 shares of Alumis common stock for each ACELYRIN share, resulting in Alumis' stockholders owning approximately 52% and ACELYRIN's stockholders owning approximately 48% of the combined company on a fully diluted basis. |
47M | 20M |
| Mar 19, 2025 |
10-K filing | 47.2M shares outstanding |
47M | 20M |
| Feb 06, 2025 |
8-K filing: Alumis Inc. entered into a Merger Agreement with ACELYRIN, Inc., where ACELYRIN will merge into a subsidiary of Alumis, with ACELYRIN stockholders receiving 0.4274 shares of Alumis Common Stock for each ACELYRIN share. |
47M | 20M |
| Nov 13, 2024 |
10-Q filing | 47.2M shares outstanding |
47M | 20M |
| Aug 13, 2024 |
10-Q filing | 47.2M shares outstanding |
47M | 20M |
| Jun 24, 2024 |
S-1/A filing: Alumis Inc. is offering 17,650,000 shares of common stock in an initial public offering, with an estimated price between $16.00 and $18.00 per share. Underwriters have an option to purchase up to an additional 2,647,500 shares. |
N/A | 20M |
| Jun 18, 2024 |
S-1/A filing: This is an S-1/A filing for an initial public offering of common stock by Alumis Inc. |
N/A | 0 |
| Jun 07, 2024 |
S-1 filing: This is an S-1 filing for an initial public offering of common stock by Alumis Inc. |
N/A | 0 |