# MIRION TECHNOLOGIES INC (MIR)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/MIR/

- Reporting holders: 10
- Reported value: $85.6M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [CONGRESS ASSET MANAGEMENT CO](https://holderbook.com/funds/897378-congress-asset-management-co/) | $85.2M | 6,034,528 | 0.6% | 3 |
| [Balefire, LLC](https://holderbook.com/funds/1750924-balefire-llc/) | $174.6K | 12,368 | 0.0% | 2 |
| [GK Wealth Management LLC](https://holderbook.com/funds/2069222-gk-wealth-management-llc/) | $74.6K | 5,283 | 0.0% | 1 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $36.4K | 2,579 | 0.0% | 10 |
| [Versant Capital Management, Inc](https://holderbook.com/funds/1735057-versant-capital-management-inc/) | $35.4K | 2,505 | 0.0% | 7 |
| [Central Pacific Bank - Trust Division](https://holderbook.com/funds/2020066-central-pacific-bank-trust-division/) | $35.3K | 2,500 | 0.0% | 11 |
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $16.9K | 1,199 | 0.0% | 9 |
| [MassMutual Private Wealth & Trust, FSB](https://holderbook.com/funds/1103653-massmutual-private-wealth-trust-fsb/) | $1.7K | 122 | 0.0% | 1 |
| [GILPIN WEALTH MANAGEMENT, LLC](https://holderbook.com/funds/2058144-gilpin-wealth-management-llc/) | $382 | 27 | 0.0% | 4 |
| [Trust Co](https://holderbook.com/funds/1632554-trust-co/) | $282 | 20 | 0.0% | 4 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 10 | $85.6M |
| Q2 2026 | 362 | $5.1B |
| Q1 2026 | 367 | $4.8B |
| Q4 2025 | 375 | $6.2B |
| Q3 2025 | 345 | $6.1B |
| Q2 2025 | 307 | $4.6B |
| Q1 2025 | 232 | $2.7B |
| Q4 2024 | 224 | $3.4B |
| Q3 2024 | 176 | $2.3B |
| Q2 2024 | 157 | $2.1B |
| Q1 2024 | 145 | $2.2B |
| Q4 2023 | 131 | $2.0B |