Hyliion Holdings Corp. (HYLN) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Low Risk
Limited dilution potential
Last updated: May 12, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 2.65% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
180M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

HYLN currently has 178M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 2.65% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 12, 2026

10-Q filing | 177.7M shares outstanding

180M 0
Nov 12, 2025

10-Q filing | 175.7M shares outstanding

180M 0
Aug 12, 2025

10-Q filing | 175.3M shares outstanding

180M 0
May 13, 2025

10-Q filing | 174.3M shares outstanding

170M 0
Feb 25, 2025

10-K filing | 174.9M shares outstanding

170M 0
Nov 14, 2024

10-Q filing | 173.6M shares outstanding

170M 0
Aug 06, 2024

10-Q filing | 173.8M shares outstanding

170M 0
May 01, 2024

10-Q filing | 178.5M shares outstanding

180M 0
Feb 13, 2024

10-K filing | 181.4M shares outstanding

180M 0
Nov 08, 2023

10-Q filing | 181.6M shares outstanding

180M 0
Aug 09, 2023

10-Q filing | 181.0M shares outstanding

180M 0
May 09, 2023

10-Q filing | 180.1M shares outstanding

180M 0
Feb 28, 2023

10-K filing | 175.4M shares outstanding

180M 0
Nov 09, 2022

10-Q filing | 174.3M shares outstanding

170M 0
Aug 25, 2022

8-K filing: Hyliion Holdings Corp. will issue 5,500,000 shares of its common stock and $15,000,000 cash to General Electric Company for the purchase of certain assets of Seller and assume certain liabilities of Seller relating to Seller's Karno™ additively-enabled heat engine business.

170M 0
Aug 09, 2022

10-Q filing | 173.9M shares outstanding

170M 0
May 09, 2022

10-Q filing | 173.6M shares outstanding

170M 0
Feb 24, 2022

10-K filing | 172.2M shares outstanding

170M 0
Dec 30, 2021

POS AM filing: Hyliion Holdings Corp. is offering 88,642,440 shares of common stock by selling securityholders.

170M 0
Nov 10, 2021

10-Q filing | 173.0M shares outstanding

170M 0
Aug 11, 2021

10-Q filing | 172.3M shares outstanding

170M 0
Jul 09, 2021

POS AM filing: This prospectus relates to the offer and sale from time to time by the selling securityholders named in this prospectus of up to 91,394,533 shares of Common Stock.

170M 0
May 17, 2021

10-Q filing | 170.2M shares outstanding

170M 0
Feb 26, 2021

10-K filing | 170.3M shares outstanding

170M 0
Nov 23, 2020

S-1/A filing: This S-1/A filing registers common stock and warrants for resale by selling securityholders, as well as shares issuable upon the exercise of warrants. The company will receive proceeds from the exercise of warrants but not from the resale of securities by the selling securityholders.

150M 0
Nov 12, 2020

10-Q filing | 5.8M shares outstanding

5.8M 140M
Oct 23, 2020

S-1 filing: This S-1 filing registers the offering of common stock and warrants, including shares for sale by selling securityholders and shares issuable upon exercise of warrants.

150M 0
Oct 01, 2020

8-K filing: Stockholders holding 3,308 shares of the Company's common stock exercised their right to redeem such shares for approximately $33,573.42, or approximately $10.15 per share. ($0.03M proceeds)

5.8M 0
Aug 06, 2020

10-Q filing | 5.8M shares outstanding

5.8M 0
Jun 19, 2020

8-K filing: Tortoise Acquisition Corp. enters into a business combination agreement with Hyliion Inc., involving the merger of Merger Sub with Hyliion, conversion of preferred stock and convertible notes into common stock, and a private placement of 30,750,000 shares of TortoiseCorp Class A Common Stock at $10.00 per share. ($307.5M proceeds)

5.8M 0
May 07, 2020

10-Q filing | 5.8M shares outstanding

5.8M 0
Mar 23, 2020

10-K filing | 23.3M shares outstanding

23M 0
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