Security record · archived quarter
MIR
Mirion Technologies, Inc. · Industrials · Industrial - Machinery
118Tracked holders
+2Δ holders
167.83MShares held
$3.12BReported value
+9New positions
−8Exits
Momentum inputs (comparable managers):
holder breadth +1.7% ·
share flow +4.3% ·
net new positions +0.8%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 22.00K | $356,688 | n/a | n/a |
| Q2 2026 | 113 | -1 | 168.24M | $3.01B | +7 | −9 |
| 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 | n/a | −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 | n/a |
| Q2 2024 | 7 | n/a | 9.18M | $98.62M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 37.86M | -0.9% | $703.77M | 0.0% | ▼ Trim | 4 | SEC ↗ ×16 |
| 2 | Vanguard Capital Management Llc | 10.51M | n/a | $195.29M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | State Street Global Advisors ✦ (passive) | 9.43M | +2.5% | $175.30M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 4 | Goldman Sachs Group ✦ | 7.35M | +40.0% | $136.63M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 5 | Fidelity (FMR) ✦ | 6.55M | -22.1% | $121.80M | 0.0% | ▼ Trim | 4 | SEC ↗ ×4 |
| 6 | Geode Capital Management ✦ (passive) | 5.94M | +2.6% | $110.45M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 7 | Millennium Management ✦ | 5.11M | New | $94.94M | 0.1% | New | 1 | SEC ↗ |
| 8 | Dimensional Fund Advisors Lp | 4.69M | +14.4% | $87.24M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 9 | Bank of New York Mellon Corp | 4.54M | +47.4% | $84.34M | 0.0% | ▲ Add | 2 | SEC ↗ ×14 |
| 10 | Janus Henderson Group Plc | 4.04M | -12.1% | $75.16M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 11 | UBS Group AG | 3.77M | -22.4% | $70.03M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 12 | Swedbank AB | 3.16M | -7.0% | $58.74M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 13 | American Century Companies Inc | 2.73M | +6.9% | $50.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | Alyeska Investment Group, L.P. | 2.70M | +76.4% | $50.22M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 15 | Loomis Sayles & Co L P | 2.67M | -6.2% | $49.64M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 16 | JPMorgan Chase ✦ | 2.62M | +56.8% | $45.36M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 17 | Northern Trust Corp | 2.37M | +1.5% | $43.99M | 0.0% | ▲ Add | 2 | SEC ↗ ×7 |
| 18 | Invesco Ltd. | 2.29M | -26.0% | $42.65M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 19 | Morgan Stanley ✦ | 2.29M | +9.0% | $42.48M | 0.0% | ▲ Add | 3 | SEC ↗ ×12 |
| 20 | Charles Schwab Investment… | 2.28M | -2.9% | $42.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | Alliancebernstein L.P. | 1.65M | +415.9% | $38.72M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Franklin Resources Inc | 2.00M | +6.3% | $37.11M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 23 | Royal Bank Of Canada | 1.96M | -8.7% | $36.46M | 0.0% | ▼ Trim | 2 | SEC ↗ ×7 |
| 24 | Nuveen, LLC | 1.95M | -3.1% | $36.25M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 25 | Citadel Advisors ✦ | 1.82M | +12.5% | $33.89M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 26 | Massachusetts Financial Services Co… | 1.59M | -56.6% | $29.54M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 27 | Rockefeller Capital Management L.P. | 1.39M | +22.3% | $25.89M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 28 | Bank Of America Corp /De/ | 1.36M | -0.3% | $25.19M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 29 | Brown Advisory Inc | 1.30M | -19.4% | $24.17M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 30 | Ameriprise Financial Inc | 1.29M | -44.8% | $23.98M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 31 | Daiwa Securities Group Inc. | 1.22M | +2490.4% | $22.63M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 32 | Bamco Inc /Ny/ | 1.21M | +86.7% | $22.56M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 33 | Principal Financial Group Inc | 1.20M | -30.0% | $22.23M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 34 | Voya Investment Management Llc | 1.17M | +32.8% | $21.72M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 35 | Bnp Paribas Financial Markets | 1.11M | +22.9% | $20.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Allspring Global Investments… | 1.06M | +2.8% | $19.76M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 37 | Schroder Investment Management Group | 1.14M | n/a | $19.68M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Citigroup Inc | 1.05M | +177.3% | $19.48M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 39 | Raymond James Financial Inc | 1.08M | -29.9% | $18.93M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 40 | Jennison Associates Llc | 942.70K | -5.0% | $17.52M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 41 | Neuberger Berman Group LLC | 856.39K | +50.9% | $15.92M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 42 | Wellington Management ✦ | 837.81K | +236.8% | $15.57M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 43 | Federated Hermes, Inc. | 816.45K | -3.8% | $15.18M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 44 | Tidal Investments LLC | 775.01K | +92.3% | $14.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Nomura Holdings Inc | 764.56K | +0.5% | $14.21M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 46 | Nomura Asset Management… | 727.28K | -14.9% | $13.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 47 | Wells Fargo & Company/Mn | 678.44K | -22.0% | $12.61M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 48 | Rhumbline Advisers | 634.41K | +2.4% | $11.79M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Ensign Peak Advisors, Inc | 631.42K | -2.8% | $11.74M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | Deutsche Bank Ag\ | 613.05K | +6.0% | $11.40M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 51 | Legal & General Group Plc | 555.91K | -8.8% | $10.33M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 52 | GAMCO Investors ✦ | 544.66K | +0.5% | $10.13M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 53 | UBS AM, a distinct business unit of… | 507.19K | +14.3% | $9.43M | 0.0% | ▲ Add | 2 | SEC ↗ ×9 |
| 54 | D. E. Shaw & Co. ✦ | 468.14K | -25.6% | $8.70M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 55 | Swiss National Bank | 465.90K | +0.4% | $8.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Sei Investments Co | 458.36K | +0.4% | $8.52M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 57 | Aberdeen Group plc | 456.46K | New | $8.49M | 0.0% | New | 1 | SEC ↗ ×2 |
| 58 | T. Rowe Price ✦ | 382.79K | -54.1% | $7.12M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 59 | Bank Of Nova Scotia | 380.19K | -2.8% | $7.07M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | Bridgewater Associates ✦ | 351.79K | -28.2% | $6.54M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | Td Asset Management Inc | 348.10K | 0.0% | $6.47M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Envestnet Asset Management Inc | 338.66K | +36.7% | $6.30M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Lazard Asset Management Llc | 322.42K | +125.4% | $5.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | California State Teachers… | 274.10K | +22.2% | $5.10M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | AQR Capital Management ✦ | 269.07K | -3.1% | $5.00M | 0.0% | ▼ Trim | 6 | SEC ↗ ×5 |
| 66 | Connor, Clark & Lunn Investment… | 266.10K | +275.2% | $4.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Prudential Financial Inc | 249.51K | +7.9% | $4.64M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | State Of Wisconsin Investment Board | 242.81K | +7.2% | $4.51M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Fifth Third Bancorp | 227.12K | +20016.7% | $4.22M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 70 | Hrt Financial Lp | 200.00K | +44.7% | $3.72M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Osaic Holdings, Inc. | 185.05K | +5572.8% | $3.44M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 72 | Point72 Asset Management ✦ | 174.27K | New | $3.24M | 0.0% | New | 1 | SEC ↗ |
| 73 | Susquehanna International Group, Llp | 161.35K | New | $3.00M | 0.0% | New | 1 | SEC ↗ |
| 74 | Victory Capital Management Inc | 151.97K | -62.6% | $2.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | First Trust Advisors Lp | 146.99K | -57.8% | $2.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Creative Planning | 139.26K | -9.4% | $2.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | Qube Research & Technologies Ltd | 123.46K | New | $2.30M | 0.0% | New | 1 | SEC ↗ |
| 78 | LPL Financial LLC | 114.09K | -1.4% | $2.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 112.41K | +0.9% | $2.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Manufacturers Life Insurance… | 111.66K | -3.4% | $2.08M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 81 | Zurcher Kantonalbank (Zurich… | 108.60K | +29.6% | $2.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | FIL Ltd | 100.00K | 0.0% | $1.86M | 0.0% | Held | 2 | SEC ↗ |
| 83 | Holocene Advisors, LP | 85.07K | New | $1.58M | 0.0% | New | 1 | SEC ↗ |
| 84 | Universal- Beteiligungs- und… | 79.81K | -75.5% | $1.48M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 85 | Capstone Investment Advisors, Llc | 75.70K | 0.0% | $1.41M | 0.0% | Held | 2 | SEC ↗ |
| 86 | New York State Common Retirement… | 74.79K | -57.4% | $1.39M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | Russell Investments Group, Ltd. | 67.66K | +206.4% | $1.26M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 88 | Stifel Financial Corp | 66.66K | +12.8% | $1.24M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 89 | Pacer Advisors, Inc. | 64.18K | -19.9% | $1.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 90 | State Board Of Administration Of… | 57.21K | 0.0% | $1.06M | 0.0% | Held | 2 | SEC ↗ |
| 91 | Asset Management One Co., Ltd. | 55.72K | New | $1.03M | 0.0% | New | 1 | SEC ↗ |
| 92 | Peak6 Llc | 50.94K | +265.2% | $946,882 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 93 | 1832 Asset Management L.P. | 50.00K | 0.0% | $929,500 | 0.0% | Held | 2 | SEC ↗ |
| 94 | Barclays Plc | 43.79K | -88.3% | $814,057 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 95 | Quantinno Capital Management LP | 41.70K | +269.5% | $775,296 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 96 | ProShare Advisors LLC | 37.37K | -20.0% | $694,708 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | Amundi | 36.69K | +198.3% | $682,086 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | Pictet Asset Management Holding SA | 35.49K | +6.3% | $659,778 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | Truist Financial Corp | 31.10K | -8.1% | $578,149 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 100 | Captrust Financial Advisors | 28.63K | +13.5% | $532,287 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Millennium Management | $94.94M | 0.1% |
| Aberdeen Group plc | $8.49M | 0.0% |
| Point72 Asset Management | $3.24M | 0.0% |
| Susquehanna International… | $3.00M | 0.0% |
| Qube Research & Technologies… | $2.30M | 0.0% |
| Holocene Advisors, LP | $1.58M | 0.0% |
| Asset Management One Co., Ltd. | $1.03M | 0.0% |
Exited
| Arrowstreet Capital | $25.09M | was 0.0% |
| Credit Agricole S A | $2.42M | was 0.0% |
| Gotham Asset Management | $2.18M | was 0.0% |
| Norges Bank | $2.16M | was 0.0% |
| Mariner, LLC | $1.46M | was 0.0% |
| Toronto Dominion Bank | $415,611 | was 0.0% |
| Cerity Partners LLC | $295,327 | was 0.0% |
| CIBC Asset Management Inc | $230,453 | 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: Q1 2026 ·
Methodology ·
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