MIR
Mirion Technologies, Inc. · Industrials · Industrial - Machinery
Momentum inputs (comparable managers):
holder breadth -21.4% ·
share flow -3.5% ·
net new positions -20.0%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| 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 | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 5.14M | -1.2% | $74.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 4.74M | +3.6% | $68.73M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 4.74M | +3.6% | $68.73M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Arrowstreet Capital ✦ | 2.79M | -33.8% | $40.45M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | Millennium Management ✦ | 2.57M | -17.3% | $37.23M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 909.25K | +717.4% | $13.18M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 909.25K | +717.4% | $13.18M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | Renaissance Technologies ✦ | 643.70K | +343.9% | $9.33M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | Norges Bank ✦ (passive) | 602.50K | New | $8.74M | 0.0% | New | 1 | SEC ↗ |
| 10 | GAMCO Investors ✦ | 592.13K | -1.2% | $8.59M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 451.62K | +41.3% | $6.55M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 451.62K | +41.3% | $6.55M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 199.21K | +124.3% | $2.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 199.21K | +124.3% | $2.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 199.21K | +124.3% | $2.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 199.21K | +124.3% | $2.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 199.21K | +124.3% | $2.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | T. Rowe Price ✦ | 150.13K | +7.0% | $2.18M | 0.0% | ▲ Add | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $8.74M | 0.0% |
Exited
| Duquesne Family Office | $5.98M | was 0.2% |
| Bridgewater Associates | $4.25M | was 0.0% |
| Marshall Wace | $4.18M | was 0.0% |
| Adage Capital Partners | $2.46M | was 0.0% |
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.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.