Nautilus Biotechnology, Inc. (NAUT) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: April 28, 2026

Risk Assessment Details

Potential Dilution: 48.15% of current shares
Recent Dilution: 1.07% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
130M
Potential Supply
61M
Additional shares possible
Splits
None
Past 2 years

Summary

NAUT currently has 127M outstanding shares. with moderate dilution risk from 61M authorized shares representing 48.1% potential dilution. The company has minimally diluted shareholders by 1.07% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Apr 28, 2026

10-Q filing | 126.6M shares outstanding

130M 61M
Oct 28, 2025

10-Q filing | 126.3M shares outstanding

130M 61M
Jul 31, 2025

10-Q filing | 126.2M shares outstanding

130M 61M
Apr 29, 2025

10-Q filing | 126.1M shares outstanding

130M 61M
Feb 27, 2025

10-K filing | 125.4M shares outstanding

130M 61M
Oct 29, 2024

10-Q filing | 125.5M shares outstanding

130M 61M
Jul 30, 2024

10-Q filing | 125.3M shares outstanding

130M 61M
Apr 30, 2024

10-Q filing | 125.1M shares outstanding

130M 61M
Feb 28, 2024

S-3 filing: S-3 filing for an at-the-market offering of common stock with an aggregate offering price of up to $125,000,000.

130M 61M
Feb 28, 2024

10-K filing | 124.9M shares outstanding

120M 61M
Oct 31, 2023

10-Q filing | 124.9M shares outstanding

120M 18M
Aug 02, 2023

10-Q filing | 124.6M shares outstanding

120M 18M
May 02, 2023

10-Q filing | 124.6M shares outstanding

120M 18M
Feb 23, 2023

10-K filing | 124.6M shares outstanding

120M 18M
Nov 01, 2022

10-Q filing | 124.7M shares outstanding

120M 18M
Aug 02, 2022

POS AM filing: This POS AM filing registers an aggregate of 88,738,387 shares of common stock for resale by selling securityholders. The company will not receive any proceeds from the sale of these shares.

120M 18M
Aug 02, 2022

10-Q filing | 124.5M shares outstanding

120M 18M
May 03, 2022

10-Q filing | 124.4M shares outstanding

120M 18M
Feb 24, 2022

10-K filing | 124.4M shares outstanding

120M 18M
Feb 24, 2022

POS AM filing: This prospectus relates to the resale of 4,286,500 shares of common stock, the resale of 69,655,827 shares of Common Stock, the resale of 20,000,000 shares of common stock issued in the PIPE Financing, and the issuance by us and resale of 1,702,729 shares of Common Stock reserved for issuance upon the exercise of certain outstanding options to purchase Common Stock.

120M 18M
Nov 02, 2021

10-Q filing | 124.1M shares outstanding

120M 110M
Aug 10, 2021

10-Q filing | 124.1M shares outstanding

120M 110M
Jul 22, 2021

S-1 filing: This S-1 filing registers the resale of common stock issued in connection with a Domestication, Business Combination, PIPE Financing, and shares issuable upon exercise of certain outstanding options.

890M 110M
May 13, 2021

10-Q filing | 3.7M shares outstanding

3.7M 18M
Mar 30, 2021

10-K filing | 3.7M shares outstanding

3.7M 18M
Nov 13, 2020

10-Q filing | 3.7M shares outstanding

3.7M 18M
Sep 18, 2020

10-Q filing | 3.7M shares outstanding

3.7M 18M
Aug 12, 2020

8-K filing: ARYA Sciences Acquisition Corp III consummated its IPO of 14,950,000 Class A ordinary shares at $10.00 per share, generating gross proceeds of $149,500,000. It also completed a private placement of 499,000 Class A ordinary shares to ARYA Sciences Holdings III at $10.00 per share, generating proceeds of $4,990,000. ($154.49M proceeds)

3.6M 18M
Jul 30, 2020

S-1/A filing: This S-1/A filing describes an offering of Class A ordinary shares, with an underwriter option for additional shares, as well as details regarding Sponsor Shares and Founder Shares transactions. It outlines agreements related to the offering, including underwriting, trust, subscription, and registration rights agreements.

3.6M 18M
Jul 21, 2020

S-1 filing: ARYA Sciences Acquisition Corp III is offering Class A ordinary shares in an initial public offering and private placements.

3.6M 15M
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