Security record · archived quarter
TMO
Thermo Fisher Scientific Inc. · Healthcare · Medical - Diagnostics & Research
187Tracked holders
+3Δ holders
274.75MShares held
$159.19BReported value
+4New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +1.6% ·
share flow -0.2% ·
net new positions +2.1%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 191 | +3 | 260.72M | $131.51B | +5 | −1 |
| Q1 2026 | 190 | +2 | 255.88M | $126.62B | +7 | −6 |
| Q4 2025 | 187 | +3 | 274.75M | $159.19B | +4 | — |
| Q3 2025 | 29 | -1 | 154.46M | $74.90B | +1 | −3 |
| Q2 2025 | 28 | +3 | 123.95M | $50.25B | +3 | — |
| Q1 2025 | 22 | -2 | 60.64M | $30.17B | — | −2 |
| Q4 2024 | 24 | +2 | 61.50M | $31.99B | +2 | — |
| Q3 2024 | 21 | -2 | 44.46M | $27.48B | — | −2 |
| Q2 2024 | 23 | — | 44.78M | $24.75B | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 34.13M | +0.8% | $19.78B | 0.3% | ▲ Add | 3 | SEC ↗ ×6 |
| 2 | BlackRock ✦ (passive) | 30.68M | +3.5% | $17.78B | 0.3% | ▲ Add | 3 | SEC ↗ ×22 |
| 3 | State Street Global Advisors ✦ (passive) | 16.61M | +1.4% | $9.63B | 0.3% | ▲ Add | 5 | SEC ↗ |
| 4 | Morgan Stanley ✦ | 11.89M | -6.5% | $6.89B | 0.4% | ▼ Trim | 2 | SEC ↗ ×26 |
| 5 | Capital World Investors ✦ | 11.00M | +7.0% | $6.38B | 0.9% | ▲ Add | 7 | SEC ↗ |
| 6 | Fidelity (FMR) ✦ | 9.79M | +29.0% | $5.67B | 0.3% | ▲ Add | 3 | SEC ↗ ×7 |
| 7 | Geode Capital Management ✦ (passive) | 8.20M | +0.3% | $4.73B | 0.3% | ▲ Add | 7 | SEC ↗ ×2 |
| 8 | T. Rowe Price ✦ | 7.70M | +19.0% | $4.46B | 0.5% | ▲ Add | 7 | SEC ↗ ×2 |
| 9 | JPMorgan Chase ✦ | 6.61M | -54.5% | $3.83B | 0.3% | ▼ Trim | 2 | SEC ↗ ×19 |
| 10 | Franklin Resources Inc | 6.35M | — | $3.68B | 0.9% | n/c | 1 | SEC ↗ ×14 |
| 11 | Bank Of America Corp /De/ | 5.95M | — | $3.45B | 0.3% | n/c | 1 | SEC ↗ ×8 |
| 12 | Norges Bank ✦ (passive) | 5.30M | New | $3.07B | 0.3% | New | 1 | SEC ↗ |
| 13 | Royal Bank Of Canada | 4.04M | — | $2.34B | 0.4% | n/c | 1 | SEC ↗ ×17 |
| 14 | Bank of New York Mellon Corp | 3.72M | — | $2.16B | 0.4% | n/c | 1 | SEC ↗ ×29 |
| 15 | DZ BANK AG Deutsche Zentral… | 3.53M | — | $2.05B | 1.8% | n/c | 1 | SEC ↗ ×7 |
| 16 | Wellington Management ✦ | 3.47M | +28.5% | $2.01B | 0.4% | ▲ Add | 7 | SEC ↗ ×9 |
| 17 | Northern Trust Corp | 3.45M | — | $2.00B | 0.3% | n/c | 1 | SEC ↗ ×10 |
| 18 | Massachusetts Financial Services Co… | 3.09M | — | $1.79B | 0.6% | n/c | 1 | SEC ↗ ×9 |
| 19 | Goldman Sachs Group ✦ | 3.07M | +18.1% | $1.78B | 0.3% | ▲ Add | 2 | SEC ↗ ×6 |
| 20 | Capital Research Global Investors | 2.91M | — | $1.69B | 0.3% | n/c | 1 | SEC ↗ |
| 21 | Charles Schwab Investment… | 2.84M | — | $1.65B | 0.3% | n/c | 1 | SEC ↗ ×2 |
| 22 | Fisher Asset Management ✦ | 2.79M | +2.6% | $1.62B | 0.6% | ▲ Add | 7 | SEC ↗ |
| 23 | Pictet Asset Management Holding SA | 2.46M | — | $1.43B | 1.4% | n/c | 1 | SEC ↗ |
| 24 | Alliancebernstein L.P. | 2.45M | — | $1.42B | 0.4% | n/c | 1 | SEC ↗ |
| 25 | UBS AM, a distinct business unit of… | 2.43M | — | $1.41B | 0.3% | n/c | 1 | SEC ↗ ×11 |
| 26 | Legal & General Group Plc | 2.42M | — | $1.40B | 0.3% | n/c | 1 | SEC ↗ ×3 |
| 27 | Grantham, Mayo, Van Otterloo & Co.… | 2.41M | — | $1.40B | 3.6% | n/c | 1 | SEC ↗ |
| 28 | UBS Group AG | 2.32M | — | $1.35B | 0.3% | n/c | 1 | SEC ↗ ×13 |
| 29 | Invesco Ltd. | 2.16M | — | $1.25B | 0.1% | n/c | 1 | SEC ↗ ×22 |
| 30 | Nuveen, LLC | 2.15M | — | $1.24B | 0.3% | n/c | 1 | SEC ↗ ×3 |
| 31 | Mitsubishi UFJ Asset Management… | 2.09M | — | $1.24B | 0.8% | n/c | 1 | SEC ↗ |
| 32 | PRIMECAP Management ✦ | 2.06M | -10.7% | $1.19B | 0.9% | ▼ Trim | 7 | SEC ↗ |
| 33 | Clearbridge Investments, LLC | 1.86M | — | $1.08B | 0.9% | n/c | 1 | SEC ↗ |
| 34 | Ameriprise Financial Inc | 1.68M | — | $976.58M | 0.2% | n/c | 1 | SEC ↗ ×8 |
| 35 | Swedbank AB | 1.67M | — | $970.23M | 0.9% | n/c | 1 | SEC ↗ ×3 |
| 36 | Barclays Plc | 1.67M | — | $967.53M | 0.4% | n/c | 1 | SEC ↗ ×7 |
| 37 | Dimensional Fund Advisors Lp | 1.65M | — | $958.16M | 0.2% | n/c | 1 | SEC ↗ ×5 |
| 38 | Amundi | 1.65M | — | $954.37M | 0.3% | n/c | 1 | SEC ↗ ×8 |
| 39 | Hsbc Holdings Plc | 1.61M | — | $936.21M | 0.3% | n/c | 1 | SEC ↗ ×50 |
| 40 | Parnassus Investments, Llc | 1.58M | — | $917.33M | 2.4% | n/c | 1 | SEC ↗ |
| 41 | Manufacturers Life Insurance… | 1.52M | — | $882.77M | 0.7% | n/c | 1 | SEC ↗ |
| 42 | Corient Private Wealth LP | 1.56M | — | $865.78M | 0.6% | n/c | 1 | SEC ↗ ×6 |
| 43 | Wells Fargo & Company/Mn | 1.40M | — | $809.39M | 0.2% | n/c | 1 | SEC ↗ ×5 |
| 44 | Loomis Sayles & Co L P | 1.38M | — | $798.75M | 1.0% | n/c | 1 | SEC ↗ ×2 |
| 45 | Deutsche Bank Ag\ | 1.25M | — | $722.94M | 0.2% | n/c | 1 | SEC ↗ ×18 |
| 46 | 1832 Asset Management L.P. | 1.24M | — | $721.14M | 0.9% | n/c | 1 | SEC ↗ |
| 47 | Lazard Asset Management Llc | 1.23M | — | $715.29M | 1.2% | n/c | 1 | SEC ↗ ×3 |
| 48 | Janus Henderson Group Plc | 1.10M | — | $635.64M | 0.3% | n/c | 1 | SEC ↗ ×4 |
| 49 | Sumitomo Mitsui Trust Group, Inc. | 1.09M | — | $634.34M | 0.4% | n/c | 1 | SEC ↗ |
| 50 | Swiss National Bank | 1.03M | — | $599.61M | 0.4% | n/c | 1 | SEC ↗ |
| 51 | Marshall Wace ✦ | 953.83K | +88.7% | $552.70M | 0.5% | ▲ Add | 3 | SEC ↗ ×2 |
| 52 | Focus Partners Wealth | 944.76K | — | $547.43M | 0.6% | n/c | 1 | SEC ↗ |
| 53 | Capital International Investors | 920.14K | — | $533.18M | 0.1% | n/c | 1 | SEC ↗ |
| 54 | Neuberger Berman Group LLC | 899.82K | — | $521.40M | 0.4% | n/c | 1 | SEC ↗ ×2 |
| 55 | Ninety One UK Ltd | 892.46K | — | $517.14M | 1.1% | n/c | 1 | SEC ↗ |
| 56 | Arrowstreet Capital ✦ | 867.51K | -31.5% | $502.68M | 0.3% | ▼ Trim | 7 | SEC ↗ |
| 57 | Robeco Institutional Asset… | 825.97K | — | $478.61M | 0.7% | n/c | 1 | SEC ↗ |
| 58 | National Pension Service | 812.43K | — | $470.76M | 0.3% | n/c | 1 | SEC ↗ |
| 59 | Viking Global Investors ✦ | 793.19K | New | $459.61M | 1.2% | New | 1 | SEC ↗ |
| 60 | Victory Capital Management Inc | 775.41K | — | $449.34M | 0.3% | n/c | 1 | SEC ↗ |
| 61 | Baillie Gifford ✦ | 770.87K | +56.9% | $446.68M | 0.4% | ▲ Add | 7 | SEC ↗ ×4 |
| 62 | First Manhattan Co. Llc. | 768.91K | — | $445.85M | 1.2% | n/c | 1 | SEC ↗ |
| 63 | Raymond James Financial Inc | 760.64K | — | $440.76M | 0.1% | n/c | 1 | SEC ↗ ×5 |
| 64 | Ensign Peak Advisors, Inc | 749.17K | — | $434.11M | 0.8% | n/c | 1 | SEC ↗ |
| 65 | California Public Employees… | 726.89K | — | $421.20M | 0.2% | n/c | 1 | SEC ↗ |
| 66 | BNP Paribas Asset Management… | 710.80K | — | $411.88M | 0.5% | n/c | 1 | SEC ↗ ×5 |
| 67 | Td Asset Management Inc | 697.69K | — | $404.28M | 0.3% | n/c | 1 | SEC ↗ ×2 |
| 68 | Citadel Advisors ✦ | 690.40K | +97.4% | $400.06M | 0.3% | ▲ Add | 7 | SEC ↗ ×2 |
| 69 | Stifel Financial Corp | 681.01K | — | $394.65M | 0.4% | n/c | 1 | SEC ↗ ×6 |
| 70 | Jane Street Group, Llc | 666.71K | — | $386.33M | 0.5% | n/c | 1 | SEC ↗ ×2 |
| 71 | Principal Financial Group Inc | 641.61K | — | $371.78M | 0.2% | n/c | 1 | SEC ↗ ×3 |
| 72 | Rhumbline Advisers | 612.64K | — | $354.99M | 0.3% | n/c | 1 | SEC ↗ |
| 73 | California State Teachers… | 587.85K | — | $340.63M | 0.3% | n/c | 1 | SEC ↗ |
| 74 | Bnp Paribas Financial Markets | 587.48K | — | $340.42M | 0.2% | n/c | 1 | SEC ↗ |
| 75 | Adage Capital Partners ✦ | 564.17K | +4.7% | $326.91M | 0.5% | ▲ Add | 7 | SEC ↗ |
| 76 | Bank Of Montreal /Can/ | 552.75K | — | $320.29M | 0.1% | n/c | 1 | SEC ↗ ×9 |
| 77 | Royal London Asset Management Ltd | 540.92K | — | $313.44M | 0.7% | n/c | 1 | SEC ↗ |
| 78 | Citigroup Inc | 536.79K | — | $311.04M | 0.2% | n/c | 1 | SEC ↗ ×5 |
| 79 | FIL Ltd | 528.72K | — | $306.37M | 0.2% | n/c | 1 | SEC ↗ ×2 |
| 80 | Credit Agricole S A | 526.73K | — | $305.21M | 0.8% | n/c | 1 | SEC ↗ ×8 |
| 81 | Allianz Asset Management GmbH | 526.40K | — | $305.02M | 0.3% | n/c | 1 | SEC ↗ ×5 |
| 82 | Envestnet Asset Management Inc | 518.56K | — | $300.47M | 0.1% | n/c | 1 | SEC ↗ |
| 83 | Point72 Asset Management ✦ | 436.86K | +157.8% | $253.14M | 0.4% | ▲ Add | 5 | SEC ↗ |
| 84 | New York State Common Retirement… | 432.42K | — | $250.57M | 0.3% | n/c | 1 | SEC ↗ |
| 85 | Rockefeller Capital Management L.P. | 422.98K | — | $245.10M | 0.4% | n/c | 1 | SEC ↗ ×4 |
| 86 | Cerity Partners LLC | 411.04K | — | $238.18M | 0.3% | n/c | 1 | SEC ↗ ×3 |
| 87 | Aviva Plc | 406.17K | — | $235.35M | 0.4% | n/c | 1 | SEC ↗ |
| 88 | Alyeska Investment Group, L.P. | 405.55K | — | $234.99M | 0.7% | n/c | 1 | SEC ↗ |
| 89 | Prudential Financial Inc | 403.31K | — | $233.70M | 0.3% | n/c | 1 | SEC ↗ ×2 |
| 90 | Canada Pension Plan Investment Board | 394.89K | — | $228.82M | 0.2% | n/c | 1 | SEC ↗ |
| 91 | Nomura Asset Management… | 389.08K | — | $225.45M | 0.3% | n/c | 1 | SEC ↗ ×2 |
| 92 | Aberdeen Group plc | 383.83K | — | $222.41M | 0.3% | n/c | 1 | SEC ↗ ×3 |
| 93 | American Century Companies Inc | 372.47K | — | $215.83M | 0.1% | n/c | 1 | SEC ↗ |
| 94 | Zurcher Kantonalbank (Zurich… | 363.57K | — | $210.67M | 0.5% | n/c | 1 | SEC ↗ |
| 95 | Universal- Beteiligungs- und… | 344.30K | — | $199.91M | 0.3% | n/c | 1 | SEC ↗ |
| 96 | State Board Of Administration Of… | 334.36K | — | $193.74M | 0.3% | n/c | 1 | SEC ↗ |
| 97 | LPL Financial LLC | 332.99K | — | $192.95M | 0.1% | n/c | 1 | SEC ↗ |
| 98 | Mackenzie Financial Corp | 329.67K | — | $191.97M | 0.2% | n/c | 1 | SEC ↗ |
| 99 | Fifth Third Bancorp | 328.78K | — | $190.51M | 0.6% | n/c | 1 | SEC ↗ |
| 100 | Artisan Partners Limited Partnership | 300.93K | — | $174.37M | 0.3% | 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
| Norges Bank | $3.07B | 0.3% |
| Viking Global Investors | $459.61M | 1.2% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 24.30K shares, $11,944 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.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 31
Pettiti Gianluca
Officer · 3.73K sh · $2.29M
Aug 31
Pettiti Gianluca
Officer · 400 sh · $245,752
Aug 24
CASPER MARC N
Officer, Director · 62 sh · $38,982
Aug 24
CASPER MARC N
Officer, Director · 33 sh · $20,677
Aug 24
CASPER MARC N
Officer, Director · 101 sh · $63,166
Aug 24
CASPER MARC N
Officer, Director · 79 sh · $49,613
Aug 21
CASPER MARC N
Officer, Director · 2.15K sh · $1.35M
Aug 21
CASPER MARC N
Officer, Director · 1.79K sh · $1.12M
Aug 21
CASPER MARC N
Officer, Director · 3.01K sh · $1.89M
Aug 21
CASPER MARC N
Officer, Director · 2.73K sh · $1.71M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
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: Q4 2025 ·
Methodology ·
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