Security record · archived quarter
MIR
Mirion Technologies, Inc. · Industrials · Industrial - Machinery
7Tracked holders
—Δ holders
9.18MShares held
$98.62MReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 114 | -1 | 168.27M | $3.02B | +7 | −8 |
| Q1 2026 | 118 | +2 | 167.83M | $3.12B | +9 | −8 |
| Q4 2025 | 115 | +1 | 179.63M | $4.21B | +4 | −2 |
| Q3 2025 | 16 | -3 | 103.12M | $2.40B | — | −3 |
| Q2 2025 | 16 | +2 | 59.41M | $1.28B | +3 | −1 |
| Q1 2025 | 11 | -3 | 18.78M | $272.38M | +1 | −4 |
| Q4 2024 | 14 | +3 | 19.46M | $339.68M | +4 | −1 |
| Q3 2024 | 10 | +3 | 10.67M | $118.13M | +3 | — |
| Q2 2024 | 7 | — | 9.18M | $98.62M | — | — |
Who holds it · Q2 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 4.36M | — | $46.78M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 4.36M | — | $46.78M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Adage Capital Partners ✦ | 3.25M | — | $34.86M | 0.1% | n/c | 1 | SEC ↗ |
| 4 | GAMCO Investors ✦ | 735.64K | — | $7.90M | 0.1% | n/c | 1 | SEC ↗ |
| 5 | Millennium Management ✦ | 533.53K | — | $5.73M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Renaissance Technologies ✦ | 174.00K | — | $1.87M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | T. Rowe Price ✦ | 117.87K | — | $1.27M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Gotham Asset Management ✦ | 20.11K | — | $216,014 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 358 holders, 250.83M shares, $4.35B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2024 ·
Methodology ·
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