Security record
MIR
Mirion Technologies, Inc. · Industrials · Industrial - Machinery
114Tracked holders
-1Δ holders
168.27MShares held
$3.02BReported value
+7New positions
−8Exits
Momentum inputs (comparable managers):
holder breadth -0.9% ·
share flow +2.9% ·
net new positions -0.9%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
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 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 38.26M | +1.1% | $686.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | Vanguard Capital Management Llc | 10.61M | +1.0% | $190.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | Goldman Sachs Group ✦ | 10.41M | +41.6% | $186.59M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 18 | Goldman Sachs Group ✦ | 10.41M | +41.6% | $186.59M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 19 | Goldman Sachs Group ✦ | 10.41M | +41.6% | $186.59M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 20 | Goldman Sachs Group ✦ | 10.41M | +41.6% | $186.59M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 21 | Goldman Sachs Group ✦ | 10.41M | +41.6% | $186.59M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 22 | State Street Global Advisors ✦ (passive) | 9.92M | +5.2% | $177.93M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 23 | Alyeska Investment Group, L.P. | 9.53M | +252.9% | $170.96M | 0.4% | ▲ Add | 3 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 7.33M | +11.9% | $131.42M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 25 | Fidelity (FMR) ✦ | 7.33M | +11.9% | $131.42M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 26 | Fidelity (FMR) ✦ | 7.33M | +11.9% | $131.42M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 27 | Fidelity (FMR) ✦ | 7.33M | +11.9% | $131.42M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 28 | Geode Capital Management ✦ (passive) | 6.28M | +5.7% | $112.62M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 29 | Geode Capital Management ✦ (passive) | 6.28M | +5.7% | $112.62M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 30 | Dimensional Fund Advisors Lp | 4.86M | +3.5% | $87.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Dimensional Fund Advisors Lp | 4.86M | +3.5% | $87.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Dimensional Fund Advisors Lp | 4.86M | +3.5% | $87.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | Dimensional Fund Advisors Lp | 4.86M | +3.5% | $87.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Dimensional Fund Advisors Lp | 4.86M | +3.5% | $87.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Bamco Inc /Ny/ | 3.91M | +221.8% | $70.04M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 47 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 48 | Morgan Stanley ✦ | 3.90M | +70.5% | $69.87M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 49 | Neuberger Berman Group LLC | 3.20M | +273.6% | $57.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Neuberger Berman Group LLC | 3.20M | +273.6% | $57.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 51 | American Century Companies Inc | 3.18M | +16.2% | $56.95M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 52 | Invesco Ltd. | 2.77M | +20.7% | $49.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Invesco Ltd. | 2.77M | +20.7% | $49.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | Invesco Ltd. | 2.77M | +20.7% | $49.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | Invesco Ltd. | 2.77M | +20.7% | $49.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Invesco Ltd. | 2.77M | +20.7% | $49.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | UBS Group AG | 2.69M | -28.7% | $48.17M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 58 | UBS Group AG | 2.69M | -28.7% | $48.17M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 59 | UBS Group AG | 2.69M | -28.7% | $48.17M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 60 | UBS Group AG | 2.69M | -28.7% | $48.17M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 61 | Northern Trust Corp | 2.59M | +9.3% | $46.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Northern Trust Corp | 2.59M | +9.3% | $46.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Northern Trust Corp | 2.59M | +9.3% | $46.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Northern Trust Corp | 2.59M | +9.3% | $46.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | Northern Trust Corp | 2.59M | +9.3% | $46.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Northern Trust Corp | 2.59M | +9.3% | $46.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Northern Trust Corp | 2.59M | +9.3% | $46.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | JPMorgan Chase ✦ | 2.61M | -0.5% | $45.69M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 69 | JPMorgan Chase ✦ | 2.61M | -0.5% | $45.69M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 70 | JPMorgan Chase ✦ | 2.61M | -0.5% | $45.69M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 71 | JPMorgan Chase ✦ | 2.61M | -0.5% | $45.69M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 72 | JPMorgan Chase ✦ | 2.61M | -0.5% | $45.69M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 73 | Swedbank AB | 2.53M | -19.9% | $45.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | Swedbank AB | 2.53M | -19.9% | $45.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | Loomis Sayles & Co L P | 2.53M | -5.4% | $45.28M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 76 | Loomis Sayles & Co L P | 2.53M | -5.4% | $45.28M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 77 | Charles Schwab Investment… | 2.45M | +7.5% | $43.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Nuveen, LLC | 2.11M | +8.2% | $37.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Nuveen, LLC | 2.11M | +8.2% | $37.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Nuveen, LLC | 2.11M | +8.2% | $37.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Royal Bank Of Canada | 1.78M | -9.1% | $31.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Royal Bank Of Canada | 1.78M | -9.1% | $31.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | Royal Bank Of Canada | 1.78M | -9.1% | $31.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | Royal Bank Of Canada | 1.78M | -9.1% | $31.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 85 | Royal Bank Of Canada | 1.78M | -9.1% | $31.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 86 | Royal Bank Of Canada | 1.78M | -9.1% | $31.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 87 | Royal Bank Of Canada | 1.78M | -9.1% | $31.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Schroder Investment Management Group | 1.59M | +40.4% | $27.85M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Rockefeller Capital Management L.P. | 1.47M | +5.3% | $26.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Rockefeller Capital Management L.P. | 1.47M | +5.3% | $26.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Rockefeller Capital Management L.P. | 1.47M | +5.3% | $26.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | Rockefeller Capital Management L.P. | 1.47M | +5.3% | $26.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | Bank of New York Mellon Corp | 1.38M | -69.5% | $24.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 94 | Bank of New York Mellon Corp | 1.38M | -69.5% | $24.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 95 | Bank of New York Mellon Corp | 1.38M | -69.5% | $24.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | Bank of New York Mellon Corp | 1.38M | -69.5% | $24.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 97 | Bank of New York Mellon Corp | 1.38M | -69.5% | $24.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 98 | Bank of New York Mellon Corp | 1.38M | -69.5% | $24.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | Bank of New York Mellon Corp | 1.38M | -69.5% | $24.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | Bank of New York Mellon Corp | 1.38M | -69.5% | $24.77M | 0.0% | ▼ Trim | 3 | 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
| Brown Advisory Inc | $24.17M | was 0.0% |
| Daiwa Securities Group Inc. | $22.63M | was 0.1% |
| Qube Research & Technologies… | $2.30M | was 0.0% |
| Capstone Investment Advisors… | $1.41M | was 0.0% |
| Asset Management One Co., Ltd. | $1.03M | was 0.0% |
| Peak6 Llc | $946,882 | was 0.0% |
| Squarepoint Ops LLC | $400,931 | was 0.0% |
| Nomura Asset Management Co Ltd | $0 | 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.
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 2026 ·
Methodology ·
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