COMPASS Pathways plc (CMPS) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: March 24, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 78.3% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
130M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

CMPS currently has 129M outstanding shares. with minimal authorized share overhang for future dilution. The company has significantly diluted shareholders by 78.3% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Mar 24, 2026

10-K filing | 128.9M shares outstanding

130M 0
Jul 31, 2025

10-Q filing | 93.3M shares outstanding

93M 3.2M
May 08, 2025

10-Q filing | 89.2M shares outstanding

89M 7.3M
Feb 27, 2025

10-K filing | 92.7M shares outstanding

93M 3.8M
Feb 27, 2025

S-3 filing: The filing is an S-3 form for an at-the-market offering of ordinary shares represented by ADSs, with an aggregate offering price of up to $150,000,000, to be made through sales agent TD Securities (USA) LLC.

68M 28M
Oct 31, 2024

10-Q filing | 68.4M shares outstanding

68M 28M
Oct 07, 2024

S-3 filing: The company is offering ordinary shares represented by ADSs through an at-the-market offering with TD Securities (USA) LLC as the sales agent, with a total proposed amount of up to $93,512,230. The company intends to use the net proceeds from this offering primarily for general corporate purposes.

68M 28M
Aug 01, 2024

10-Q filing | 68.4M shares outstanding

68M 12M
May 08, 2024

10-Q filing | 64.2M shares outstanding

64M 16M
Feb 29, 2024

10-K filing | 64.2M shares outstanding

64M 16M
Nov 02, 2023

10-Q filing | 61.9M shares outstanding

62M 19M
Sep 08, 2023

S-3 filing: This is an S-3 filing for a shelf offering of up to 40,089,163 ADSs, each representing one ordinary share.

46M 35M
Aug 16, 2023

8-K filing: COMPASS Pathways plc entered into a Securities Purchase Agreement to sell and issue 16,076,750 American Depositary Shares and warrants to purchase up to 16,076,750 ADSs at a purchase price of approximately $7.78 per ADS and accompanying Warrant, with gross proceeds expected to be approximately $125.0 million. ($125.0M proceeds)

46M 0
Aug 03, 2023

10-Q filing | 45.6M shares outstanding

46M 0
Jul 05, 2023

8-K filing: COMPASS Pathways plc entered into a loan and security agreement with Hercules Capital, Inc. and issued a warrant to Hercules for 94,222 ordinary shares at an exercise price of $7.96 per share.

43M 0
May 11, 2023

10-Q filing | 42.7M shares outstanding

43M 0
Feb 28, 2023

10-K filing | 42.4M shares outstanding

42M 0
Nov 03, 2022

10-Q filing | 42.5M shares outstanding

43M 0
Aug 04, 2022

10-Q filing | 42.5M shares outstanding

42M 0
May 10, 2022

10-Q filing | 42.0M shares outstanding

42M 0
Feb 24, 2022

10-K filing | 40.0M shares outstanding

40M 530K
Feb 24, 2022

POS AM filing: This POS AM filing relates to an at-the-market offering of ordinary shares represented by ADSs, with an aggregate offering price of up to $150,000,000, to be made through Cowen and Company, LLC.

42M 0
Apr 27, 2021

F-1 filing: This F-1 filing from Compass Pathways details the offering of 4,000,000 ADSs at $35.30 per ADS, with an underwriter option for an additional 600,000 ADSs, to fund clinical trials, research, business development, and general expenses.

36M 4.6M
Mar 09, 2021

20-F filing | 35.9M shares outstanding

36M 0
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