ARROWHEAD PHARMACEUTICALS, INC. (ARWR) - 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: 21.81% (2 years)
Historical Dilution Factor: moderate recent dilution
Outstanding Shares
140M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

ARWR currently has 142M outstanding shares. with minimal authorized share overhang for future dilution. The company has diluted shareholders by 21.81% 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 | 142.4M shares outstanding

140M 0
Nov 25, 2025

10-K filing | 133.8M shares outstanding

130M 0
Aug 07, 2025

10-Q filing | 139.0M shares outstanding

140M 0
May 12, 2025

10-Q filing | 134.5M shares outstanding

130M 0
Feb 10, 2025

10-Q filing | 124.8M shares outstanding

120M 0
Nov 26, 2024

10-K filing | 119.8M shares outstanding

120M 0
Aug 08, 2024

10-Q filing | 124.2M shares outstanding

120M 0
May 09, 2024

10-Q filing | 123.3M shares outstanding

120M 0
Feb 06, 2024

10-Q filing | 123.9M shares outstanding

120M 0
Jan 04, 2024

8-K filing: Arrowhead Pharmaceuticals, Inc. entered into an underwriting agreement to issue and sell 15,790,000 shares of common stock at $28.50 per share, with net proceeds estimated at $429.0 million for research and development, general corporate expenses, and working capital needs; the offering is expected to close on January 5, 2024. ($450.02M proceeds)

110M 0
Nov 29, 2023

10-K filing | 106.8M shares outstanding

110M 0
Aug 07, 2023

10-Q filing | 107.0M shares outstanding

110M 0
May 02, 2023

10-Q filing | 106.8M shares outstanding

110M 0
Feb 06, 2023

10-Q filing | 106.0M shares outstanding

110M 0
Dec 08, 2022

8-K filing: Arrowhead Pharmaceuticals, Inc. entered into an open market sale agreement with Jefferies LLC to issue and sell up to 7,807,620 shares of common stock, with estimated gross proceeds of approximately $250 million, and the offering closed on December 2, 2022. ($250.0M proceeds)

110M 0
Nov 28, 2022

10-K filing | 105.4M shares outstanding

110M 0
Aug 04, 2022

10-Q filing | 105.8M shares outstanding

110M 0
May 10, 2022

10-Q filing | 105.5M shares outstanding

110M 0
Feb 02, 2022

10-Q filing | 104.5M shares outstanding

100M 0
Nov 22, 2021

10-K filing | 103.7M shares outstanding

100M 0
Aug 05, 2021

10-Q filing | 104.1M shares outstanding

100M 0
May 04, 2021

10-Q filing | 103.9M shares outstanding

100M 0
Feb 04, 2021

10-Q filing | 102.8M shares outstanding

100M 0
Nov 23, 2020

10-K filing | 100.7M shares outstanding

100M 0
Aug 05, 2020

10-Q filing | 101.8M shares outstanding

100M 0
May 07, 2020

10-Q filing | 101.7M shares outstanding

100M 0
Feb 05, 2020

10-Q filing | 97.1M shares outstanding

97M 0
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