Thermo Fisher ScientificTMO
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 2,610 institutions reported holding Thermo Fisher Scientific Inc. (TMO) in their 13F filings, down 97 from Q4 2025. 138 opened new positions and 226 sold out. The largest holders were BlackRock, Inc. ($15.0B), Vanguard Capital Management LLC ($11.9B) and State Street Corp. ($8.2B). 16 famous investors held it, including Daniel Sundheim (3.2% of D1 Capital Partners's portfolio), Jeremy Grantham (3.1% of GMO's portfolio) and Andreas Halvorsen (2.3% of Viking Global Investors's portfolio).
- Company
- Thermo Fisher Scientific Inc.
- Sector
- Industrials
- CUSIP
- 883556102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 138 | $1.2B |
| Exits | 226 | $643.9M |
All 13F filers, Q4 2025 → Q1 2026: 19,299,655 shares bought and 56,321,269 shares sold, net −37,021,614 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 2,610 holders
| BlackRock, Inc. | 0.26% | Reduce -0.8% | 30,427,192 | $15.0B |
| Vanguard Capital Management LLC | 0.30% | — | 24,280,816 | $11.9B |
| State Street Corp. | 0.28% | Add +0.7% | 16,731,668 | $8.2B |
| Morgan Stanley | 0.32% | Reduce -8.7% | 10,863,528 | $5.3B |
| FMR LLC | 0.28% | Add +10.0% | 10,776,436 | $5.3B |
| Geode Capital Management, LLC | 0.26% | Add +2.6% | 8,407,891 | $4.1B |
| Franklin Resources Inc. | 0.83% | Add +7.3% | 6,813,031 | $3.3B |
| Capital World Investors | 0.45% | Reduce -39.6% | 6,646,316 | $3.3B |
| JPMorgan Chase & Co. | 0.22% | Add +2.8% | 6,795,482 | $3.3B |
| T. Rowe Price Associates Inc. | 0.36% | Reduce -18.0% | 6,315,471 | $3.1B |
| Vanguard Portfolio Management LLC | 0.16% | — | 6,163,370 | $3.0B |
| Bank of America Corp. | 0.20% | Reduce -6.9% | 5,533,403 | $2.7B |
| Massachusetts Financial Services Co. | 0.76% | Reduce -2.4% | 3,013,109 | $2.3B |
| Capital Research Global Investors | 0.34% | Add +51.5% | 4,414,621 | $2.2B |
| Royal Bank of Canada | 0.36% | Reduce -3.0% | 3,913,903 | $1.9B |
| Capital International Investors | 0.45% | Add +322.6% | 3,888,726 | $1.9B |
| Bank of New York Mellon Corp | 0.34% | Add +1.1% | 3,766,614 | $1.9B |
| Northern Trust Corp. | 0.22% | Reduce -1.0% | 3,415,610 | $1.7B |
| Goldman Sachs Group Inc. | 0.20% | Add +3.0% | 3,157,226 | $1.6B |
| Charles Schwab Investment Management Inc. | 0.22% | Add +3.2% | 2,934,842 | $1.4B |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1.32% | Reduce -17.5% | 2,914,918 | $1.4B |
| Fisher Asset Management | 0.48% | Add +2.1% | 2,851,579 | $1.4B |
| Alliancebernstein L.P. | 0.41% | Reduce -10.6% | 2,190,608 | $1.3B |
| GMO | 3.15% | Add +3.7% | 2,502,206 | $1.2B |
| UBS Group AG | 0.21% | Add +5.6% | 2,453,453 | $1.2B |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.25% | Add +0.9% | 2,449,697 | $1.2B |
| Legal & General Group Plc | 0.27% | Reduce -2.0% | 2,370,531 | $1.2B |
| Invesco Ltd. | 0.11% | Add +3.4% | 2,235,720 | $1.1B |
| Vanguard Fiduciary Trust Co. | 0.26% | — | 2,111,667 | $1.0B |
| Pictet Asset Management Holding SA | 1.07% | Reduce -16.3% | 2,061,343 | $1.0B |
| Unisphere Establishment | 8.52% | Add +5.1% | 2,060,000 | $1.0B |
| Amundi | 0.27% | Add +22.4% | 2,016,260 | $991.1M |
| Primecap Management Co. | 0.77% | Reduce -3.6% | 1,982,531 | $974.5M |
| 1832 Asset Management L.P. | 1.28% | Add +58.3% | 1,969,618 | $968.1M |
| Flossbach Von Storch SE | 4.48% | Reduce -10.3% | 1,954,070 | $960.5M |
| EdgePoint Investment Group Inc. | 7.56% | Add +38.5% | 1,918,997 | $943.2M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.61% | Reduce -11.2% | 1,853,226 | $910.9M |
| Barclays PLC | 0.32% | Add +10.4% | 1,844,083 | $906.4M |
| Schroder Investment Management Group | 0.70% | Reduce -0.7% | 1,728,440 | $849.6M |
| Dimensional Fund Advisors LP | 0.17% | Add +2.2% | 1,689,790 | $830.5M |
| Ameriprise Financial Inc. | 0.19% | Reduce -0.9% | 1,670,400 | $821.1M |
| Viking Global Investors | 2.29% | Add +110.3% | 1,668,025 | $819.9M |
| Nuveen, LLC | 0.22% | Reduce -23.3% | 1,646,989 | $809.5M |
| Clearbridge Investments, LLC | 0.69% | Reduce -13.5% | 1,610,697 | $791.7M |
| Parnassus Investments, LLC | 2.17% | Reduce -5.0% | 1,504,651 | $739.6M |
| Swedbank AB | 0.76% | Reduce -11.6% | 1,480,294 | $727.6M |
| Wellington Management Group LLP | 0.14% | Reduce -57.4% | 1,478,251 | $726.6M |
| Wells Fargo & Company | 0.14% | Add +3.3% | 1,443,512 | $709.5M |
| Manufacturers Life Insurance Company, The | 0.61% | Reduce -6.5% | 1,423,710 | $699.8M |
| Loomis Sayles & Co. L P | 0.90% | Reduce -1.1% | 1,363,758 | $670.3M |
| Deutsche Bank AG | 0.20% | Add +1.0% | 1,260,345 | $619.5M |
| Lazard Asset Management LLC | 0.99% | Reduce -1.0% | 1,222,057 | $600.7M |
| Temasek Holdings (Private) Ltd | 1.98% | Add +34.1% | 1,195,799 | $587.8M |
| Focus Partners Wealth | 0.62% | Add +20.8% | 1,140,952 | $560.8M |
| Swiss National Bank | 0.31% | Add +6.6% | 1,102,640 | $542.0M |
| Sumitomo Mitsui Trust Group, Inc. | 0.34% | Reduce -1.5% | 1,078,539 | $530.1M |
| Rathbones Group PLC | 1.87% | Add +2.9% | 953,908 | $468.9M |
| Neuberger Berman Group LLC | 0.33% | Reduce -1.6% | 885,570 | $435.3M |
| Farallon Capital Management, L.L.C. | 2.58% | Add +38.7% | 881,485 | $433.3M |
| Citadel Advisors | 0.31% | Add +25.2% | 864,489 | $424.9M |
| Corient Private Wealth LP | 0.60% | Add +4.2% | 832,069 | $417.4M |
| Veritas Asset Management LLP | 7.04% | Reduce -25.4% | 845,995 | $415.8M |
| National Pension Service | 0.31% | Add +2.1% | 829,652 | $407.8M |
| Vanguard Global Advisers, LLC | 0.22% | — | 822,047 | $404.1M |
| APG Asset Management N.V. | 1.26% | Add +2.8% | 932,138 | $397.7M |
| W1M Asset Management Ltd | 4.25% | Add +0.9% | 793,472 | $390.4M |
| Raymond James Financial Inc. | 0.12% | Add +1.9% | 775,318 | $381.1M |
| Generation Investment Management LLP | 3.41% | Reduce -30.4% | 773,600 | $380.2M |
| Cantillon Capital Management LLC | 2.51% | Reduce -11.9% | 769,698 | $378.3M |
| First Manhattan Co. Llc. | 1.05% | Reduce -0.2% | 767,160 | $377.4M |
| DekaBank Deutsche Girozentrale | 0.62% | No change | 772,643 | $377.2M |
| D1 Capital Partners | 3.17% | New | 725,005 | $356.4M |
| HSBC Holdings PLC | 0.21% | Reduce -10.9% | 718,953 | $353.1M |
| King Luther Capital Management Corp. | 1.52% | Add +3.1% | 709,494 | $348.7M |
| Baillie Gifford & Co. | 0.35% | Reduce -9.4% | 698,441 | $343.3M |
| California Public Employees Retirement System | 0.21% | Reduce -4.2% | 696,589 | $342.4M |
| BNP Paribas Financial Markets | 0.22% | Add +13.2% | 665,128 | $326.9M |
| Longview Partners (Guernsey) LTD | 4.62% | Reduce -22.1% | 662,828 | $325.8M |
| Janus Henderson Group PLC | 0.15% | Reduce -39.8% | 660,258 | $324.6M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.27% | — | 652,721 | $320.8M |
| Stifel Financial Corp. | 0.29% | Reduce -4.7% | 649,147 | $319.1M |
| CIBC Bancorp USA Inc. | 0.43% | — | 645,011 | $317.1M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.37% | Reduce -9.9% | 640,384 | $314.7M |
| Ninety One UK Ltd | 0.73% | Reduce -28.6% | 637,262 | $313.2M |
| Handelsbanken Fonder AB | 1.04% | Reduce -11.3% | 634,828 | $312.0M |
| Robeco Institutional Asset Management B.V. | 0.44% | Reduce -23.2% | 634,639 | $311.9M |
| Arrowstreet Capital, Limited Partnership | 0.17% | Reduce -26.9% | 634,369 | $311.8M |
| Victory Capital Management Inc. | 0.20% | Reduce -19.1% | 627,704 | $308.6M |
| Principal Financial Group Inc. | 0.16% | Reduce -2.6% | 624,721 | $307.1M |
| Lindsell Train Ltd | 9.67% | Reduce -10.5% | 617,211 | $303.4M |
| Mirova US LLC | 3.43% | Reduce -4.1% | 615,090 | $302.3M |
| Envestnet Asset Management Inc. | 0.08% | Add +18.3% | 613,387 | $301.5M |
| Rhumbline Advisers | 0.26% | Reduce -0.1% | 611,950 | $300.8M |
| Vontobel Holding Ltd. | 1.02% | Reduce -9.2% | 601,220 | $295.5M |
| C WorldWide Group Holding A/S | 6.24% | Reduce -7.3% | 591,542 | $290.8M |
| B. Metzler seel. Sohn & Co. AG | 2.65% | Reduce -1.0% | 581,290 | $285.7M |
| Bank of Montreal | 0.12% | Add +4.8% | 579,041 | $284.6M |
| Citigroup Inc. | 0.18% | Add +6.6% | 572,177 | $281.2M |
| California State Teachers Retirement System | 0.30% | Reduce -2.7% | 571,811 | $281.1M |
| Canada Pension Plan Investment Board | 0.18% | Add +42.4% | 562,420 | $276.4M |
"% of holder's portfolio" is TMO's weight in each manager's 13F, not the share of Thermo Fisher Scientific Inc. the manager owns.