Thermo Fisher Scientific Inc.
TMO- Exchange
- NYSE
- Industry
- Measuring & Controlling Devices, NEC
- SEC CIK
- 0000097745
In the last 90 days, Thermo Fisher Scientific Inc. insiders filed 0 open-market purchases and 11 sales; 2,628 institutions reported holding it in 13F filings for Q2 2026, worth $169.2B in total; 6 superinvestors hold it, including Viking Global Investors and D1 Capital Partners.
13F holders, Q1 2026
Institutional positions in Thermo Fisher Scientific Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 2,612
- −56 vs. Q4 2025
- Shares held
- 332.3M
- −1.64M (−0.5%) vs. Q4 2025
- Total value
- $164.1B
- −$11.2B (−6.4%) vs. Q4 2025
- New holders
- 173
- 980 more added
- Sold out
- 229
- 1,101 more reduced
39 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TMO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 2,628 | $169.2B |
| Q1 2026 | 2,612 | $164.1B |
| Q4 2025 | 2,708 | $199.1B |
| Q3 2025 | 2,515 | $160.7B |
| Q2 2025 | 2,460 | $135.6B |
| Q1 2025 | 2,577 | $167.8B |
| Q4 2024 | 2,625 | $176.4B |
| Q3 2024 | 2,580 | $208.3B |
| Q2 2024 | 2,554 | $187.5B |
| Q1 2024 | 2,535 | $196.3B |
| Q4 2023 | 2,496 | $181.6B |
| Q3 2023 | 2,370 | $173.1B |
| Q2 2023 | 2,392 | $177.8B |
| Q1 2023 | 2,391 | $196.1B |
| Q4 2022 | 2,379 | $190.1B |
| Q3 2022 | 2,270 | $175.3B |
| Q2 2022 | 2,287 | $186.4B |
| Q1 2022 | 2,321 | $203.3B |
| Q4 2021 | 2,347 | $230.1B |
| Q3 2021 | 2,135 | $197.5B |
| Q2 2021 | 2,082 | $172.9B |
| Q1 2021 | 2,046 | $157.2B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Brown Advisory Inc | 92,433 | $45.4M | 0.07% | +3,214+3.6% | Added |
| Cornerstone Investment Partners, LLC | 92,313 | $45.4M | 1.91% | −4,991−5.1% | Reduced |
| Ilex Capital Partners (UK) LLP | 92,014 | $45.2M | 1.11% | +92,014 | New |
| Armistice Capital, LLC | 91,491 | $45.0M | 1.48% | +28,653+45.6% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 91,418 | $44.9M | 0.24% | +33,985+59.2% | Added |
| Mesirow Financial Investment Management, Inc. | 90,383 | $44.4M | 0.72% | +5,963+7.1% | Added |
| Confluence Investment Management LLC | 90,151 | $44.3M | 0.69% | −4,913−5.2% | Reduced |
| Midwest Trust Co | 90,151 | $44.3M | 0.55% | +85+0.1% | Added |
| Silvercrest Asset Management Group LLC | 90,091 | $44.3M | 0.32% | +16,669+22.7% | Added |
| Banco Santander, S.A. | 89,937 | $44.2M | 0.36% | −4,779−5.0% | Reduced |
| Capital International Sarl | 89,414 | $43.9M | 0.72% | −17,121−16.1% | Reduced |
| Welch & Forbes LLC | 88,934 | $43.7M | 0.57% | −150−0.2% | Reduced |
| Spears Abacus Advisors LLC | 88,474 | $43.5M | 0.85% | −656−0.7% | Reduced |
| Border to Coast Pensions Partnership Ltd | 87,990 | $43.4M | 0.73% | −112,452−56.1% | Reduced |
| ZWJ Investment Counsel Inc | 87,855 | $43.2M | 1.56% | +2,326+2.7% | Added |
| MetLife Investment Management | 87,821 | $43.2M | 0.22% | −2,279−2.5% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 87,518 | $43.0M | 0.22% | +126+0.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 87,036 | $42.8M | 0.12% | −1,134−1.3% | Reduced |
| AIA Group Ltd | 86,693 | $42.6M | 0.62% | −5,759−6.2% | Reduced |
| Advisor Group Holdings, Inc. | 86,452 | $42.5M | 0.06% | +1,883+2.2% | Added |
| Glenmede Trust Co NA | 85,674 | $42.1M | 0.21% | +217+0.3% | Added |
| Tocqueville Asset Management L.P. | 85,252 | $41.9M | 0.62% | +4,521+5.6% | Added |
| Capital International Inc | 83,831 | $41.2M | 0.32% | −9,981−10.6% | Reduced |
| Magellan Asset Management Ltd | 83,187 | $40.9M | 0.53% | +7,605+10.1% | Added |
| WestEnd Advisors, LLC | 82,614 | $40.6M | 0.98% | −5,032−5.7% | Reduced |
| Henshaw Capital LLC | 82,609 | $40.6M | 1.51% | 00.0% | Unchanged |
| Americana Partners, LLC | 81,840 | $40.2M | 1.04% | −1,526−1.8% | Reduced |
| Northeast Investment Management | 81,692 | $40.2M | 1.66% | −1,143−1.4% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 81,049 | $39.8M | 0.07% | −41,073−33.6% | Reduced |
| Mill Capital Management, LLC | 80,887 | $39.8M | 3.02% | +61+0.1% | Added |
| TIAA Wealth Investment Management LLC | 79,694 | $39.2M | 0.30% | +79,694 | New |
| GuoLine Advisory Pte Ltd | 78,800 | $38.7M | 4.05% | 00.0% | Unchanged |
| Cincinnati Financial Corp | 77,970 | $38.3M | 0.77% | +77,970 | New |
| E. Ohman J:or Asset Management AB | 77,071 | $37.9M | 1.00% | −15,998−17.2% | Reduced |
| BLI - Banque de Luxembourg Investments | 65,660 | $37.7M | 1.13% | 00.0% | Unchanged |
| Aureus Asset Management, LLC | 76,103 | $37.4M | 2.49% | −730−1.0% | Reduced |
| Polar Capital Holdings Plc | 75,980 | $37.3M | 0.16% | +14,816+24.2% | Added |
| Commonwealth Equity Services, LLC | 75,436 | $37.1M | 0.05% | −6,351−7.8% | Reduced |
| Fiera Capital Corp | 75,286 | $37.0M | 0.13% | −48,367−39.1% | Reduced |
| IFM Investors Pty Ltd | 74,625 | $36.7M | 0.31% | +2,071+2.9% | Added |
| Ofi Invest Asset Management | 84,888 | $36.3M | 0.48% | −12,361−12.7% | Reduced |
| Mirova | 73,275 | $36.0M | 1.46% | +63,086+619.2% | Added |
| Howland Capital Management LLC | 72,691 | $35.8M | 1.41% | −3,516−4.6% | Reduced |
| Daiwa Securities Group Inc. | 72,046 | $35.4M | 0.10% | +2,691+3.9% | Added |
| Klingenstein Fields & Co LP | 71,998 | $35.4M | 1.39% | −768−1.1% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 71,736 | $35.3M | 0.34% | −4,978−6.5% | Reduced |
| O'Shaughnessy Asset Management, LLC | 71,261 | $35.0M | 0.18% | +7,590+11.9% | Added |
| Aristotle Atlantic Partners, LLC | 71,042 | $34.9M | 1.63% | −2,566−3.5% | Reduced |
| Millennium Management LLC | 70,696 | $34.7M | 0.03% | +18,432+35.3% | Added |
| BNP Paribas | 71,695 | $34.6M | 1.10% | +1,939+2.8% | Added |
| Pathstone Holdings, LLC | 70,197 | $34.5M | 0.14% | −7,944−10.2% | Reduced |
| Munich Reinsurance Co Stock Corp in Munich | 70,172 | $34.5M | 0.85% | +7,922+12.7% | Added |
| Squarepoint Ops LLC | 69,837 | $34.3M | 0.07% | +59,825+597.5% | Added |
| Spinecap SAS | 69,508 | $34.2M | 12.54% | −520−0.7% | Reduced |
| TD Waterhouse Canada Inc. | 68,931 | $34.0M | 0.10% | +36,716+114.0% | Added |
| Artemis Investment Management LLP | 68,477 | $33.7M | 0.36% | +6,304+10.1% | Added |
| Amalgamated Bank | 68,447 | $33.6M | 0.26% | −1,353−1.9% | Reduced |
| Factory Mutual Insurance Co | 68,285 | $33.6M | 0.38% | −15,800−18.8% | Reduced |
| Xponance, Inc. | 68,124 | $33.5M | 0.24% | +8,829+14.9% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 67,100 | $33.0M | 0.28% | +4,300+6.8% | Added |
| Huntington National Bank | 67,021 | $32.9M | 0.18% | −3,650−5.2% | Reduced |
| Nexus Investment Management ULC | 66,972 | $32.9M | 4.60% | −325−0.5% | Reduced |
| Natixis | 66,593 | $32.7M | 0.13% | +11,114+20.0% | Added |
| Alta Capital Management LLC | 65,914 | $32.4M | 2.51% | −4,852−6.9% | Reduced |
| USS Investment Management Ltd | 65,801 | $32.4M | 0.14% | +2,208+3.5% | Added |
| Oppenheimer Asset Management Inc. | 65,576 | $32.2M | 0.37% | +4,306+7.0% | Added |
| C Partners Holding GmbH | 65,362 | $32.1M | 10.14% | +10,963+20.2% | Added |
| Advisors Capital Management, LLC | 65,254 | $32.1M | 0.37% | +574+0.9% | Added |
| Erste Asset Management GmbH | 66,630 | $32.0M | 0.30% | −21,238−24.2% | Reduced |
| Bellevue Group AG | 64,412 | $31.7M | 0.75% | −665−1.0% | Reduced |
| Susquehanna International Group, LLP | 64,399 | $31.7M | 0.04% | −129,156−66.7% | Reduced |
| Ironvine Capital Partners, LLC | 64,085 | $31.5M | 3.46% | −453−0.7% | Reduced |
| Commerzbank Aktiengesellschaft | 64,034 | $31.5M | 0.66% | +258+0.4% | Added |
| British Columbia Investment Management Corp | 63,996 | $31.5M | 0.19% | −51,945−44.8% | Reduced |
| Private Wealth Partners, LLC | 63,285 | $31.1M | 2.40% | −290.0% | Reduced |
| Varma Mutual Pension Insurance Co | 63,217 | $31.1M | 0.18% | 00.0% | Unchanged |
| Bollard Group LLC | 62,107 | $30.5M | 0.93% | +107+0.2% | Added |
| Rockland Trust Co | 62,093 | $30.5M | 1.22% | +2,960+5.0% | Added |
| North Star Asset Management Inc | 61,741 | $30.3M | 1.32% | −80.0% | Reduced |
| Utah Retirement Systems | 61,398 | $30.2M | 0.31% | −996−1.6% | Reduced |
| MAI Capital Management | 61,039 | $30.0M | 0.17% | +1,837+3.1% | Added |
| Public Sector Pension Investment Board | 60,839 | $29.9M | 0.09% | +11,976+24.5% | Added |
| Spear Holdings RSC Ltd | 60,638 | $29.8M | 3.19% | +60,638 | New |
| PBCay One RSC Ltd | 60,635 | $29.8M | 3.19% | +60,635 | New |
| Fiduciary Trust Co | 60,170 | $29.6M | 0.35% | −3,715−5.8% | Reduced |
| Williams Jones Wealth Management, LLC. | 60,073 | $29.5M | 0.36% | −17,679−22.7% | Reduced |
| MKP Capital Management, L.L.C. | 60,000 | $29.5M | 0.97% | +60,000 | New |
| Boston Trust Walden Corp | 59,772 | $29.4M | 0.24% | +15,799+35.9% | Added |
| Ontario Teachers Pension Plan Board | 59,473 | $29.2M | 0.85% | +36,793+162.2% | Added |
| Smith, Salley & Associates | 59,398 | $29.2M | 1.47% | +671+1.1% | Added |
| Professional Advisory Services Inc | 59,015 | $29.0M | 4.00% | +7,995+15.7% | Added |
| Assetmark, Inc | 58,741 | $28.9M | 0.06% | +21,087+56.0% | Added |
| Regions Financial Corp | 58,636 | $28.8M | 0.19% | −3,867−6.2% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 58,459 | $28.7M | 0.20% | +24,072+70.0% | Added |
| Police & Firemen's Retirement System of New Jersey | 58,256 | $28.6M | 0.24% | +336+0.6% | Added |
| Howard Capital Management Group, LLC | 57,879 | $28.4M | 1.89% | +1,304+2.3% | Added |
| Andra AP-fonden | 57,814 | $28.4M | 0.35% | +53,990+1,411.9% | Added |
| ProShare Advisors LLC | 57,741 | $28.4M | 0.04% | −13,559−19.0% | Reduced |
| Shufro Rose & Co LLC | 57,739 | $28.4M | 1.93% | +502+0.9% | Added |
| Cohen Capital Management, Inc. | 57,539 | $28.3M | 4.39% | −1,189−2.0% | Reduced |