Avidity Biosciences, Inc. (RNA) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Medium Risk

Moderate dilution risk

Last updated: November 10, 2025

Risk Assessment Details

Potential Dilution: 2.12% of current shares

Recent Dilution: 37.88% (2 years)

Historical Dilution Factor: significant recent dilution

Outstanding Shares

140M

Potential Supply

2.9M

Additional shares possible

Splits

None

Past 2 years

Summary

RNA currently has 138M outstanding shares. with limited dilution risk as only 2.93M additional shares (2.1%) are authorized for issuance. The company has significantly diluted shareholders by 37.88% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding	Supply
Nov 10, 2025	10-Q filing \| 137.9M shares outstanding	140M	2.9M
Aug 07, 2025	10-Q filing \| 129.6M shares outstanding	130M	2.9M
May 08, 2025	10-Q filing \| 129.2M shares outstanding	130M	2.9M
Feb 27, 2025	10-K filing \| 111.6M shares outstanding	110M	2.9M
Nov 07, 2024	10-Q filing \| 123.4M shares outstanding	120M	2.9M
Aug 09, 2024	10-Q filing \| 106.9M shares outstanding	110M	2.9M
May 09, 2024	10-Q filing \| 87.2M shares outstanding	87M	2.9M
Feb 28, 2024	10-K filing \| 73.0M shares outstanding	73M	2.9M
Nov 28, 2023	8-K filing: Avidity Biosciences completed a private placement of 5,075,304 shares of common stock to BMS at a price of $7.8813 per share, for total proceeds of approximately $40.0 million. ($40.0M proceeds)	74M	2.9M
Nov 08, 2023	10-Q filing \| 74.1M shares outstanding	74M	2.9M
Aug 08, 2023	10-Q filing \| 71.4M shares outstanding	71M	2.9M
May 09, 2023	10-Q filing \| 70.4M shares outstanding	70M	2.9M
Feb 28, 2023	10-K filing \| 70.8M shares outstanding	71M	2.9M
Nov 08, 2022	10-Q filing \| 53.1M shares outstanding	53M	2.9M
Aug 09, 2022	10-Q filing \| 49.9M shares outstanding	50M	2.9M
May 10, 2022	10-Q filing \| 49.8M shares outstanding	50M	2.9M
Mar 01, 2022	10-K filing \| 47.8M shares outstanding	48M	2.9M
Nov 09, 2021	10-Q filing \| 46.9M shares outstanding	47M	2.9M
Aug 09, 2021	10-Q filing \| 37.7M shares outstanding	38M	2.9M
May 12, 2021	10-Q filing \| 37.6M shares outstanding	38M	2.9M
Mar 15, 2021	10-K filing \| 37.6M shares outstanding	38M	2.9M
Nov 10, 2020	10-Q filing \| 37.5M shares outstanding	38M	2.9M
Aug 11, 2020	10-Q filing \| 37.5M shares outstanding	38M	2.9M
Jun 11, 2020	S-1/A filing: This is an S-1/A filing for an IPO of common stock with an assumed price of $17.50 per share and 12,000,000 shares offered.	3M	2.9M
Jun 11, 2020	S-1/A filing: This is an S-1/A filing from 2020-06-11 detailing issuances of securities including preferred units, common stock warrants, and convertible notes, as well as conversions of units to stock.	3M	2.9M
Jun 08, 2020	S-1/A filing: This is an S-1/A filing for an initial public offering of common stock.	3M	10M
May 22, 2020	S-1 filing: This S-1 filing relates to a proposed initial public offering of common stock. It discusses the dilution to new investors based on an assumed IPO price.	6.4M	0

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