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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.

Institutional holdersQ1 2026: 2,612 institutions
Q1 2021: 2,046 institutionsQ2 2021: 2,082 institutionsQ3 2021: 2,135 institutionsQ4 2021: 2,347 institutionsQ1 2022: 2,320 institutionsQ2 2022: 2,286 institutionsQ3 2022: 2,269 institutionsQ4 2022: 2,378 institutionsQ1 2023: 2,390 institutionsQ2 2023: 2,391 institutionsQ3 2023: 2,369 institutionsQ4 2023: 2,495 institutionsQ1 2024: 2,534 institutionsQ2 2024: 2,553 institutionsQ3 2024: 2,579 institutionsQ4 2024: 2,624 institutionsQ1 2025: 2,576 institutionsQ2 2025: 2,460 institutionsQ3 2025: 2,515 institutionsQ4 2025: 2,707 institutionsQ1 2026: 2,612 institutionsQ2 2026: 2,628 institutions
Value heldQ1 2026: $164.1B
Q1 2021: $157.2BQ2 2021: $172.9BQ3 2021: $197.5BQ4 2021: $230.1BQ1 2022: $203.3BQ2 2022: $186.4BQ3 2022: $175.3BQ4 2022: $190.1BQ1 2023: $196.1BQ2 2023: $177.8BQ3 2023: $173.1BQ4 2023: $181.6BQ1 2024: $196.3BQ2 2024: $187.5BQ3 2024: $208.3BQ4 2024: $176.4BQ1 2025: $167.8BQ2 2025: $135.6BQ3 2025: $160.7BQ4 2025: $199.1BQ1 2026: $164.1BQ2 2026: $169.2B
Institutions holding TMO and their total value by quarter
QuarterHoldersValue
Q2 20262,628$169.2B
Q1 20262,612$164.1B
Q4 20252,707$199.1B
Q3 20252,515$160.7B
Q2 20252,460$135.6B
Q1 20252,576$167.8B
Q4 20242,624$176.4B
Q3 20242,579$208.3B
Q2 20242,553$187.5B
Q1 20242,534$196.3B
Q4 20232,495$181.6B
Q3 20232,369$173.1B
Q2 20232,391$177.8B
Q1 20232,390$196.1B
Q4 20222,378$190.1B
Q3 20222,269$175.3B
Q2 20222,286$186.4B
Q1 20222,320$203.3B
Q4 20212,347$230.1B
Q3 20212,135$197.5B
Q2 20212,082$172.9B
Q1 20212,046$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.

Institutions holding TMO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Resources Management Corp3,740$1.84M0.24%−240−6.0%Reduced
CenterBook Partners LP3,740$1.84M0.10%+2,475+195.7%Added
BOK Financial Private Wealth, Inc.3,740$1.84M0.11%−335−8.2%Reduced
Harfst & Associates, Inc.3,759$1.85M0.33%+304+8.8%Added
Stablepoint Partners, LLC3,780$1.86M0.28%−446−10.6%Reduced
SRS Capital Advisors, Inc.3,782$1.86M0.05%−2,577−40.5%Reduced
Boyd Watterson Asset Management LLC3,790$1.86M0.57%+19+0.5%Added
Farmers & Merchants Investments Inc3,801$1.87M0.05%+26+0.7%Added
Journey Strategic Wealth LLC3,807$1.87M0.05%+390+11.4%Added
Warm Springs Advisors Inc.3,815$1.88M1.59%−2−0.1%Reduced
Sandro Wealth Management LLC3,816$1.88M1.50%+210+5.8%Added
Skylands Capital, LLC3,825$1.88M0.25%+3,825New
Gables Capital Management Inc.3,826$1.88M0.80%−20−0.5%Reduced
Doliver Advisors, LP3,850$1.89M0.43%+39+1.0%Added
DB Fitzpatrick & Co, Inc3,864$1.90M1.63%+92+2.4%Added
Arista Wealth Management, LLC3,870$1.90M0.23%+1,029+36.2%Added
Fort Washington Investment Advisors Inc3,907$1.92M0.01%−248−6.0%Reduced
Martingale Asset Management L P3,915$1.92M0.05%+137+3.6%Added
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management3,923$1.93M0.03%−896−18.6%Reduced
Wealthspire Advisors, LLC3,942$1.94M0.02%−2,177−35.6%Reduced
Beech Hill Advisors, Inc.3,951$1.94M0.97%+486+14.0%Added
Investidor Profissional Gestao de Recursos Ltda.3,963$1.95M1.25%+3,963New
Dover Advisors, LLC3,962$1.95M0.81%−263−6.2%Reduced
Center for Financial Planning, Inc.3,967$1.95M0.20%00.0%Unchanged
St Germain D J Co Inc3,970$1.95M0.08%−23−0.6%Reduced
Cove Private Wealth, LLC3,975$1.95M0.44%+100+2.6%Added
Silvant Capital Management LLC3,976$1.95M0.07%+367+10.2%Added
Laurion Capital Management LP3,980$1.96M0.18%+3,980New
Sawgrass Asset Management LLC3,991$1.96M0.30%00.0%Unchanged
Avanda Investment Management Pte. Ltd.4,000$1.97M3.11%−2,000−33.3%Reduced
Great Lakes Retirement, Inc.4,022$1.98M0.20%+197+5.2%Added
Hardy Reed LLC4,027$1.98M0.14%−1,069−21.0%Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC4,038$1.98M0.06%−358−8.1%Reduced
Atlas Wealth LLC4,053$1.99M0.60%−26−0.6%Reduced
Modera Wealth Management, LLC4,056$1.99M0.02%−724−15.1%Reduced
Leonteq Securities AG4,059$2.00M0.12%+2,103+107.5%Added
Koa Wealth Management, LLC4,063$2.00M1.44%−103−2.5%Reduced
Sava Infond d.o.o.4,070$2.00M0.28%−670−14.1%Reduced
Okabena Investment Services Inc4,072$2.00M0.39%+12+0.3%Added
Harbour Investments, Inc.4,124$2.03M0.03%+848+25.9%Added
Syon Capital LLC4,129$2.03M0.10%+307+8.0%Added
Cambria Investment Management, L.P.4,142$2.04M0.11%−284−6.4%Reduced
Geneva Capital Management LLC4,146$2.04M0.04%−785−15.9%Reduced
GAM Holding AG4,147$2.04M0.18%+1,182+39.9%Added
Moody National Bank Trust Division4,155$2.04M0.19%−93−2.2%Reduced
Mission Creek Capital Partners, Inc.4,155$2.04M0.41%+1,565+60.4%Added
Berger Financial Group, Inc4,162$2.05M0.11%−150−3.5%Reduced
Arq Wealth Advisors, LLC4,173$2.05M0.37%+3,430+461.6%Added
Auto-Owners Insurance Co4,190$2.06M0.04%00.0%Unchanged
Profund Advisors LLC4,199$2.06M0.08%−1,914−31.3%Reduced
Vectors Research Management, LLC4,205$2.07M0.60%+20.0%Added
Crossmark Global Holdings, Inc.4,227$2.08M0.03%−158−3.6%Reduced
Trust Asset Management LLC4,253$2.09M0.15%00.0%Unchanged
City Holding Co4,274$2.10M0.26%+2,195+105.6%Added
Clark Capital Management Group, Inc.4,276$2.10M0.01%−114−2.6%Reduced
Altfest L J & Co Inc4,294$2.11M0.23%−4,395−50.6%Reduced
Orleans Capital Management Corp4,305$2.12M1.43%00.0%Unchanged
LOM Asset Management Ltd4,309$2.12M0.61%−14−0.3%Reduced
Eads & Heald Wealth Management4,331$2.13M1.06%−12−0.3%Reduced
Smithbridge Asset Management Inc4,338$2.13M0.32%−4,368−50.2%Reduced
KPP Advisory Services LLC4,340$2.13M0.31%+77+1.8%Added
Sowell Financial Services LLC4,372$2.15M0.08%+201+4.8%Added
Premier Path Wealth Partners, LLC4,382$2.15M0.28%+73+1.7%Added
Sagespring Wealth Partners, LLC4,395$2.16M0.04%−507−10.3%Reduced
Canandaigua National Corp4,415$2.17M0.19%+4,415New
Eagle Bluffs Wealth Management LLC4,416$2.17M0.85%+147+3.4%Added
Marks Group Wealth Management, Inc4,424$2.17M0.21%−974−18.0%Reduced
Annandale Capital, LLC4,452$2.19M0.36%+1,004+29.1%Added
GKV Capital Management Co., Inc.4,455$2.19M0.82%−616−12.1%Reduced
Frank, Rimerman Advisors LLC4,463$2.19M0.14%−334−7.0%Reduced
Morse Asset Management, Inc4,470$2.20M0.46%+1,345+43.0%Added
ISAM Funds (UK) Ltd4,470$2.20M1.08%+4,470New
Parr McKnight Wealth Management Group, LLC4,471$2.20M0.29%+3,954+764.8%Added
Dorsey & Whitney Trust CO LLC4,494$2.21M0.12%−499−10.0%Reduced
Ecofi Investissements SA4,500$2.21M4.03%−7,550−62.7%Reduced
Banco de Sabadell, S.A4,631$2.22M1.47%+84+1.8%Added
Stamos Capital Partners, L.P.4,526$2.22M0.35%+934+26.0%Added
Gamco Investors, Inc. Et Al4,533$2.23M0.02%−113−2.4%Reduced
Foster & Motley Inc4,535$2.23M0.12%−107−2.3%Reduced
Jackson Square Capital, LLC4,537$2.23M0.47%−74−1.6%Reduced
Cornerstone Planning, LLC4,538$2.23M0.50%+4,538New
Sepio Capital, LP4,558$2.24M0.12%−255−5.3%Reduced
Decatur Capital Management, Inc.4,564$2.24M1.03%−73−1.6%Reduced
Bank of Hawaii4,564$2.24M0.12%−44−1.0%Reduced
Jacobi Capital Management LLC4,576$2.25M0.13%−16−0.3%Reduced
Bank of Nova Scotia Trust Co4,589$2.26M0.19%+1,707+59.2%Added
Cetera Trust Company, N.A4,591$2.26M1.28%−185−3.9%Reduced
Hemenway Trust Co LLC4,595$2.26M0.18%−188−3.9%Reduced
Connecticut Wealth Management, LLC4,600$2.26M0.09%−382−7.7%Reduced
Encore Global Management, LP4,600$2.26M1.58%+4,600New
Exchange Traded Concepts, LLC4,602$2.26M0.02%−1,159−20.1%Reduced
Strengthening Families & Communities, LLC4,606$2.26M0.56%+4,606New
Meiji Yasuda America Inc4,612$2.27M0.56%−63−1.3%Reduced
Vista Investment Management4,619$2.27M0.76%−54−1.2%Reduced
Purkiss Capital Advisors LLC4,620$2.27M1.00%+466+11.2%Added
FinArc Investments, Inc.4,621$2.27M2.19%+4,621New
Aaron Wealth Advisors4,625$2.27M0.13%−643−12.2%Reduced
Palumbo Wealth Management LLC4,632$2.28M0.56%−956−17.1%Reduced
American Trust4,632$2.28M0.20%−865−15.7%Reduced
Ameritas Advisory Services, LLC4,674$2.30M0.09%−109−2.3%Reduced