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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
Glenview Trust Co24,324$12.0M0.19%+110+0.5%Added
NLB Skladi, upravljanje premozenja, d.o.o.24,188$11.9M0.57%−1,098−4.3%Reduced
Banque Pictet & Cie SA23,986$11.8M0.14%−14,546−37.8%Reduced
Azimuth Capital Investment Management LLC23,984$11.8M0.44%+20,701+630.6%Added
Stephens Inc23,680$11.6M0.15%+1,869+8.6%Added
First National Bank of Omaha24,069$11.6M0.36%−2,928−10.8%Reduced
Eagle Rock Investment Company, LLC23,674$11.6M1.69%+1,705+7.8%Added
Bamco Inc23,670$11.6M0.04%−5,150−17.9%Reduced
Vestmark Advisory Solutions, Inc.23,464$11.5M0.13%+4,920+26.5%Added
Motco23,361$11.5M1.06%+401+1.7%Added
Applied Finance Capital Management, LLC23,356$11.5M0.86%−1,027−4.2%Reduced
Northside Capital Management, LLC23,222$11.4M1.00%+17,383+297.7%Added
Mizuho Securities USA LLC22,713$11.2M0.26%−4,644−17.0%Reduced
Ravenstone Capital Management Inc.22,704$11.2M5.57%+525+2.4%Added
GWM Advisors LLC22,679$11.1M0.04%−1,040−4.4%Reduced
Matrix Asset Advisors Inc22,547$11.1M1.02%+1,206+5.7%Added
Ferguson Wellman Capital Management, Inc22,355$11.0M0.15%−333−1.5%Reduced
Capital Fund Management S.A.22,205$10.9M0.10%+22,205New
Camden National Bank22,065$10.8M1.47%−122−0.5%Reduced
Union Bancaire Privee, UBP SA25,516$10.8M0.20%−27,575−51.9%Reduced
Annex Advisory Services, LLC21,900$10.8M0.20%+811+3.8%Added
Wormser Freres Gestion21,367$10.7M7.75%−639−2.9%Reduced
Norinchukin Bank, The21,730$10.7M0.12%+60.0%Added
Verition Fund Management LLC21,462$10.5M0.10%+4,099+23.6%Added
Hartford Investment Management Co21,414$10.5M0.33%−300−1.4%Reduced
Carderock Capital Management Inc21,269$10.5M2.58%+252+1.2%Added
Pinnacle Associates Ltd21,248$10.4M0.13%−389−1.8%Reduced
S-Bank Fund Management Ltd21,000$10.3M1.54%00.0%Unchanged
Triglav Skladi, D.O.O.21,000$10.3M0.72%+5,186+32.8%Added
First American Trust, FSB20,828$10.2M0.69%−132−0.6%Reduced
Osprey Private Wealth LLC20,537$10.1M2.92%+1,397+7.3%Added
Central Trust Co20,519$10.1M0.20%−305−1.5%Reduced
Pacer Advisors, Inc.20,393$10.0M0.03%−10,427−33.8%Reduced
Duncker Streett & Co Inc20,054$9.86M1.87%−4,735−19.1%Reduced
OpenArc Corporate Advisory, LLC20,052$9.86M0.14%+1,482+8.0%Added
Integral Health Asset Management, LLC20,000$9.83M0.52%+20,000New
Tritonpoint Wealth, LLC19,705$9.69M1.04%−772−3.8%Reduced
J. Safra Sarasin Holding AG19,655$9.64M0.16%−4,138−17.4%Reduced
Cohen Klingenstein LLC19,590$9.63M0.31%00.0%Unchanged
Providence Capital Advisors, LLC19,528$9.60M1.57%+133+0.7%Added
Empower Advisory Group, LLC19,480$9.58M0.02%−3,279−14.4%Reduced
Grandfield & Dodd, LLC19,451$9.56M0.54%−40−0.2%Reduced
Spirepoint Private Client, LLC19,325$9.50M0.90%+6,484+50.5%Added
Louisiana State Employees Retirement System19,100$9.39M0.16%−100−0.5%Reduced
Zuckerman Investment Group, LLC19,086$9.38M0.88%+17,486+1,092.9%Added
Taproot Management LP19,058$9.37M1.77%−640−3.2%Reduced
Adviser Investments LLC18,982$9.33M0.10%+6,303+49.7%Added
Maryland State Retirement & Pension System18,924$9.30M0.19%+94+0.5%Added
LRZ Capital LLC18,765$9.22M4.62%00.0%Unchanged
Rosenblum Silverman Sutton S F Inc18,683$9.18M2.40%−180−1.0%Reduced
Baxter Bros Inc18,545$9.12M1.13%−678−3.5%Reduced
Callan Family Office, LLC18,496$9.09M0.21%−1,606−8.0%Reduced
Mader & Shannon Wealth Management, Inc.18,200$8.95M4.14%+3,507+23.9%Added
Edgemoor Investment Advisors, Inc.18,085$8.89M0.70%+814+4.7%Added
Evelyn Partners Investment Management Services Ltd18,071$8.88M1.04%−11,198−38.3%Reduced
Intech Investment Management LLC17,979$8.84M0.09%+5,359+42.5%Added
Bleakley Financial Group, LLC17,944$8.82M0.14%−354−1.9%Reduced
R.H. Dinel Investment Counsel, Inc.17,921$8.81M7.13%00.0%Unchanged
Sky Investment Group LLC17,921$8.81M1.51%+536+3.1%Added
Webster Bank, N. A.17,855$8.78M0.83%+82+0.5%Added
New Mexico Educational Retirement Board17,762$8.73M0.27%00.0%Unchanged
Marietta Wealth Management, LLC17,632$8.67M1.03%+412+2.4%Added
Bowen Hanes & Co Inc17,595$8.65M0.21%−83,910−82.7%Reduced
Simplify Asset Management Inc.17,409$8.56M0.13%+12,790+276.9%Added
Pine Valley Investments Ltd Liability Co17,379$8.54M0.42%+185+1.1%Added
Everence Capital Management Inc17,310$8.51M0.52%+821+5.0%Added
Northstar Asset Management LLC17,307$8.51M1.91%−1,099−6.0%Reduced
CX Institutional17,280$8.49M0.26%+637+3.8%Added
Jacobs & Co17,248$8.48M0.84%+13+0.1%Added
Bokf, NA17,231$8.47M0.13%−206−1.2%Reduced
Jane Street Group, LLC17,167$8.44M0.01%−649,544−97.4%Reduced
Generali Asset Management SPA SGR17,101$8.41M0.18%−3,946−18.7%Reduced
Westerkirk Capital Inc.17,000$8.36M0.90%00.0%Unchanged
Salem Investment Counselors Inc16,962$8.34M0.24%+502+3.0%Added
Pensionmark Financial Group, LLC16,961$8.34M0.13%−270−1.6%Reduced
Catalytic Wealth RIA, LLC16,907$8.31M0.34%+573+3.5%Added
Dai-Ichi Life Insurance Company, Ltd16,832$8.27M0.24%+246+1.5%Added
Perennial Advisors, LLC16,820$8.27M1.41%+98+0.6%Added
Y-Intercept (Hong Kong) Ltd16,745$8.23M0.16%+16,745New
Private Advisor Group, LLC16,614$8.17M0.04%−1,249−7.0%Reduced
Jag Capital Management, LLC16,569$8.14M0.92%+16,569New
Brinker Capital Investments, LLC16,511$8.12M0.07%−2,324−12.3%Reduced
Ieq Capital, LLC16,409$8.07M0.04%−8,958−35.3%Reduced
Payden & Rygel16,400$8.06M0.63%+16,400New
Parkside Investments, LLC16,269$8.00M0.97%+410+2.6%Added
Lockheed Martin Investment Management Co16,140$7.93M0.29%+170+1.1%Added
MMBG Investment Advisors Co.16,105$7.92M0.73%00.0%Unchanged
Horizon Investments, LLC16,060$7.89M0.09%+533+3.4%Added
Bellecapital International Ltd.16,038$7.88M1.42%+911+6.0%Added
Ramsay, Stattman, Vela & Price, Inc.16,016$7.87M1.55%+508+3.3%Added
Anchor Capital Advisors LLC15,968$7.85M0.22%−10,459−39.6%Reduced
EFG International AG15,951$7.85M0.17%−22,959−59.0%Reduced
Baader Bank INC15,964$7.83M0.77%−1,848−10.4%Reduced
1st Source Bank15,908$7.82M0.40%−38−0.2%Reduced
Brant Point Investment Management LLC15,887$7.81M2.14%+58+0.4%Added
NewEdge Wealth, LLC15,836$7.78M0.09%−2,108−11.7%Reduced
Sequoia Financial Advisors, LLC15,810$7.77M0.04%+466+3.0%Added
Kestra Private Wealth Services, LLC15,806$7.77M0.10%+467+3.0%Added
Cincinnati Specialty Underwriters Insurance CO15,800$7.77M1.89%+15,800New
Carmignac Gestion15,828$7.74M0.12%−124,209−88.7%Reduced