Security key
60471A101
Mirion Technologies, Inc. - Common Stock (MIR)
CUSIP: 60471A101
Q2 2025 13F Holders as of 30 Jun 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 207,351,906
- Total 13F value
- $4,463,739,712
- Share change
- +17,029,576
- Put/Call ratio
- 68%
- SEC-reported price per share
- $21.53
- Number of holders
- 300
- Value change
- +$390,863,249
- Number of buys
- 214
- Number of sells
- 93
- Shares outstanding
- 245,072,565
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2025
Institutions
300
Top holders
10
MIR full security history
Ownership snapshot
Full 13F holder table
Mirion Technologies, Inc. SEC filings
Mirion Technologies, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of MIR - Mirion Technologies, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
KUWAIT INVESTMENT AUTHORI...
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
31 Mar 2025
13D/G
13F
Lead comparable stake: 4.1%
13D/G row: KUWAIT INVESTMENT AUTHORITY ON BEHALF OF THE GOVT OF KUWAIT
Showing 1-6 of 15 holder rows.
Quick read
KUWAIT INVESTMENT AUTHORITY ON BEHALF OF THE GOVT OF KUWAIT leads the comparable SEC ownership view at 4.1%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens KUWAIT INVESTMENT AUTHORITY ON BEHALF OF THE GOVT OF KUWAIT's linked filing trail.
Comparable ownership
Top 5
KUWAIT INVESTMENT AUTHORITY ON BE...
4.1%
GSAM Holdings LLC
2.3%
VANGUARD GROUP INC
9.5%
T. Rowe Price Investment Manageme...
8.5%
BlackRock, Inc.
6.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| KUWAIT INVESTMENT AUTHORITY ON BEHALF OF THE GOVT OF KUWAIT |
13D/G
Kuwait Investment Authority, acting for and on behalf of the Government of the State of Kuwait (KIA)
|
4.1%
|
$238,218,661
10,171,591 shares
|
$0 | 29 Jul 2022 |
| GSAM Holdings LLC |
13D/G
GOLDMAN SACHS GROUP INC
|
2.3%
|
$77,448,166
5,187,419 shares
|
$0 | 17 Dec 2024 |
| VANGUARD GROUP INC |
13F
Company
|
9.5%
|
$337,241,696
23,258,048 shares
|
— | 31 Mar 2025 |
| T. Rowe Price Investment Management, Inc. |
13F
Company
|
8.5%
|
$300,301,000
20,710,389 shares
|
— | 31 Mar 2025 |
| BlackRock, Inc. |
13F
Company
|
6.6%
|
$234,028,901
16,139,924 shares
|
— | 31 Mar 2025 |
| Janus Henderson Group Ltd. |
13F
Company
|
3.5%
|
$125,636,617
8,587,664 shares
|
— | 31 Mar 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
300
Shares
207,351,906
Rows available
300
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
228
Q2 2025 holders
300
Holder diff
72
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q2 2025 value | Value change | Value Chg % |
|---|