Mirion Technologies, Inc. (MIR) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: April 29, 2026

Risk Assessment Details

Potential Dilution: 6.97% of current shares
Recent Dilution: 36.55% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
240M
Potential Supply
17M
Additional shares possible
Splits
None
Past 2 years

Summary

MIR currently has 245M outstanding shares. with limited dilution risk as only 17.1M additional shares (7.0%) are authorized for issuance. The company has significantly diluted shareholders by 36.55% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Apr 29, 2026

10-Q filing | 244.7M shares outstanding

240M 17M
Oct 29, 2025

10-Q filing | 255.7M shares outstanding

260M 17M
Sep 30, 2025

8-K filing: Mirion Technologies, Inc. completed a public offering of 19,906,322 shares of Class A common stock at $21.35 per share, resulting in net proceeds of approximately $409.7 million, and also completed a private offering of $375.0 million aggregate principal amount of 0.00% Convertible Senior Notes due 2031.

230M 17M
Aug 01, 2025

10-Q filing | 225.0M shares outstanding

230M 17M
Apr 30, 2025

10-Q filing | 225.7M shares outstanding

230M 17M
Feb 26, 2025

10-K filing | 205.0M shares outstanding

200M 17M
Oct 30, 2024

10-Q filing | 206.7M shares outstanding

210M 17M
Aug 02, 2024

10-Q filing | 225.4M shares outstanding

230M 17M
Jun 04, 2024

8-K filing: Mirion Technologies, Inc. issued 1,768,000 shares of Class A common stock to GS Sponsor II LLC in exchange for 8,500,000 warrants.

200M 17M
May 01, 2024

10-Q filing | 199.7M shares outstanding

200M 17M
Feb 28, 2024

10-K filing | 218.6M shares outstanding

220M 17M
Nov 02, 2023

10-Q filing | 199.2M shares outstanding

200M 17M
Aug 03, 2023

10-Q filing | 199.2M shares outstanding

200M 17M
May 16, 2023

8-K filing: Selling stockholders sold 7,000,000 shares of Mirion Technologies, Inc.'s Class A common stock at a price of $7.65 per share, with the offering closing on May 16, 2023. ($53.55M proceeds)

220M 17M
May 03, 2023

10-Q filing | 217.9M shares outstanding

220M 17M
Mar 07, 2023

8-K filing: Mirion Technologies, Inc. entered into an underwriting agreement with Jefferies LLC and selling stockholders, resulting in the sale of 9,786,153 shares of the Company's Class A common stock at $8.75 per share.

220M 17M
Feb 28, 2023

10-K filing | 217.5M shares outstanding

220M 17M
Feb 21, 2023

8-K filing: The Company entered into Subscription Agreements with certain institutional investors for the issuance and sale of 17,142,857 shares of Class A common stock at $8.75 per share in a registered direct offering, with gross proceeds of approximately $150 million. ($150.0M proceeds)

180M 17M
Nov 17, 2022

S-3 filing: S-3 filing registering an indeterminate number of shares of common stock, preferred stock, depositary shares, debt securities, warrants, purchase contracts, and units with an aggregate initial offering price not to exceed $1,000,000,000.

180M 17M
Nov 03, 2022

10-Q filing | 181.3M shares outstanding

180M 17M
Jul 29, 2022

10-Q filing | 181.0M shares outstanding

180M 17M
May 05, 2022

10-Q filing | 180.8M shares outstanding

180M 17M
Mar 08, 2022

POS AM filing: This prospectus relates to the issuance of up to 35,810,519 shares of Class A common stock upon exercise of warrants and exchange of Class B common stock, and the offer and sale of up to 143,250,440 shares of Class A common stock by selling holders.

200M 17M
Feb 28, 2022

10-K filing | 180.8M shares outstanding

180M 210M
Nov 10, 2021

10-Q filing | 199.5M shares outstanding

200M 210M
Oct 27, 2021

S-1 filing: This S-1 filing registers the issuance of Class A common stock upon exercise of warrants and exchange of Class B common stock, as well as the resale of Class A common stock by selling holders.

200M 210M
Aug 16, 2021

10-Q filing | 75.0M shares outstanding

75M 17M
May 17, 2021

10-Q filing | 75.0M shares outstanding

75M 17M
Mar 31, 2021

10-K filing | 20.1M shares outstanding

20M 17M
Nov 13, 2020

10-Q filing | 75.0M shares outstanding

75M 17M
Aug 14, 2020

10-Q filing | 20.1M shares outstanding

20M 17M
Jun 24, 2020

S-1/A filing: Sponsor has committed to purchase an aggregate of 8,000,000 private placement warrants (or 9,050,000 if the underwriters’ option to purchase additional units is exercised in full) at a price of $2.00 per warrant.

N/A 17M
Jun 11, 2020

S-1 filing: This is an S-1 filing describing the terms of warrants, including redemption conditions based on the price of Class A common stock.

N/A 0
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