MIRION TECHNOLOGIES INC (MIR): Institutional Ownership
Hedge funds and institutional managers reporting a position in MIR · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
22
13F filers
Aggregate Value
$138.4M
Across holders
Last Price
$18.45
2026-06-26
Sector
Industrials
GICS
Holder activity14 new5 added2 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| MAVERICK CAPITAL LTD CIK 0000934639 | Hedge Fund | 2.65M | $49.3M | 35.6% | 0.6% | New | — | Q1 2026 |
| Davidson Kempner Capital Management LP CIK 0001595082 | Hedge Fund | 1.31M | $24.4M | 17.7% | 0.3% | Added | +$7.2M | Q1 2026 |
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 545K | $10.1M | 7.3% | 0.1% | Added | +$51K | Q1 2026 |
| MOORE CAPITAL MANAGEMENT, LP CIK 0001448574 | Hedge Fund | 407K | $8.8M | 6.3% | 0.1% | New | — | Q2 2025 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 299K | $6.9M | 5.0% | 0.0% | Added | +$6.3M | Q3 2025 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 352K | $6.5M | 4.7% | 0.0% | Reduced | $-2.6M | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 273K | $5.1M | 3.7% | 0.0% | Added | +$4.7M | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 209K | $3.9M | 2.8% | 0.0% | Added | +$2.5M | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 167K | $3.6M | 2.6% | 0.0% | New | — | Q2 2025 |
| ELEMENT CAPITAL MANAGEMENT LLC CIK 0001535630 | Hedge Fund | 116K | $2.7M | 1.9% | 3.8% | New | — | Q3 2025 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 116K | $2.5M | 1.8% | 0.0% | New | — | Q2 2025 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 141K | $2.5M | 1.8% | 0.0% | New | — | Q4 2024 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 123K | $2.3M | 1.7% | 0.0% | New | — | Q1 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 93K | $2.2M | 1.6% | 0.0% | New | — | Q4 2025 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 89K | $2.1M | 1.5% | 0.0% | New | — | Q4 2025 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 85K | $1.6M | 1.1% | 0.0% | New | — | Q1 2026 |
| SOROS FUND MANAGEMENT LLC CIK 0001029160 | Family Office | 72K | $1.5M | 1.1% | 0.0% | New | — | Q2 2025 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 50K | $1.2M | 0.8% | 0.0% | New | — | Q3 2025 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 40K | $744K | 0.5% | 0.0% | Unchanged | +$0 | Q1 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 14K | $335K | 0.2% | 0.0% | New | — | Q4 2025 |
New
Hedge Fund
$49.3M· 35.6% of total· 0.6% port· 2.65M sh· — QoQ· Q1 2026
Added
Hedge Fund
$24.4M· 17.7% of total· 0.3% port· 1.31M sh· +$7.2M QoQ· Q1 2026
Added
Institutional Manager
$10.1M· 7.3% of total· 0.1% port· 545K sh· +$51K QoQ· Q1 2026
New
Hedge Fund
$8.8M· 6.3% of total· 0.1% port· 407K sh· — QoQ· Q2 2025
Added
Hedge Fund
$6.9M· 5.0% of total· 0.0% port· 299K sh· +$6.3M QoQ· Q3 2025
Reduced
Hedge Fund
$6.5M· 4.7% of total· 0.0% port· 352K sh· $-2.6M QoQ· Q1 2026
Added
Hedge Fund
$5.1M· 3.7% of total· 0.0% port· 273K sh· +$4.7M QoQ· Q1 2026
Added
Hedge Fund
$3.9M· 2.8% of total· 0.0% port· 209K sh· +$2.5M QoQ· Q1 2026
New
Hedge Fund
$3.6M· 2.6% of total· 0.0% port· 167K sh· — QoQ· Q2 2025
New
Hedge Fund
$2.7M· 1.9% of total· 3.8% port· 116K sh· — QoQ· Q3 2025
New
Hedge Fund
$2.5M· 1.8% of total· 0.0% port· 116K sh· — QoQ· Q2 2025
New
Hedge Fund
$2.5M· 1.8% of total· 0.0% port· 141K sh· — QoQ· Q4 2024
New
Hedge Fund
$2.3M· 1.7% of total· 0.0% port· 123K sh· — QoQ· Q1 2026
New
Hedge Fund
$2.2M· 1.6% of total· 0.0% port· 93K sh· — QoQ· Q4 2025
New
Hedge Fund
$2.1M· 1.5% of total· 0.0% port· 89K sh· — QoQ· Q4 2025
New
Hedge Fund
$1.6M· 1.1% of total· 0.0% port· 85K sh· — QoQ· Q1 2026
New
Family Office
$1.5M· 1.1% of total· 0.0% port· 72K sh· — QoQ· Q2 2025
New
Hedge Fund
$1.2M· 0.8% of total· 0.0% port· 50K sh· — QoQ· Q3 2025
Unchanged
Hedge Fund
$744K· 0.5% of total· 0.0% port· 40K sh· +$0 QoQ· Q1 2026
New
Hedge Fund
$335K· 0.2% of total· 0.0% port· 14K sh· — QoQ· Q4 2025
New
Hedge Fund
$215K· 0.2% of total· 0.0% port· 9K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$316· 0.0% of total· 0.0% port· 17 sh· $-43K QoQ· Q1 2026
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