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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, Q4 2025

Institutional positions in Thermo Fisher Scientific Inc. as of Dec 31, 2025. 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
2,707
+252 vs. Q3 2025
Shares held
375.0M
+44.2M (+13.4%) vs. Q3 2025
Total value
$199.1B
+$38.9B (+24.3%) vs. Q3 2025
New holders
372
945 more added
Sold out
120
1,041 more reduced

60 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 2,707 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 heldQ4 2025: $199.1B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q3 2025.

Institutions holding TMO in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Empower Advisory Group, LLC22,759$13.2M0.04%+3,197+16.3%Added
Ferguson Wellman Capital Management, Inc22,688$13.1M0.21%−1,758−7.2%Reduced
Ontario Teachers Pension Plan Board22,680$13.1M0.29%−988−4.2%Reduced
Hantz Financial Services, Inc.22,597$13.1M0.19%−1,185−5.0%Reduced
Camden National Bank22,187$12.9M1.77%+56+0.3%Added
Ravenstone Capital Management Inc.22,179$12.9M5.86%+550+2.5%Added
ING Groep NV22,127$12.8M0.08%−9,889−30.9%Reduced
Wormser Freres Gestion22,006$12.8M7.25%+334+1.5%Added
FineMark National Bank & Trust21,990$12.7M0.40%−815−3.6%Reduced
Eagle Rock Investment Company, LLC21,969$12.7M1.80%+3,012+15.9%Added
Stephens Inc21,811$12.6M0.16%−80−0.4%Reduced
Norinchukin Bank, The21,724$12.6M0.15%+1,162+5.7%Added
Hartford Investment Management Co21,714$12.6M0.38%−412−1.9%Reduced
Sector Gamma AS21,688$12.6M2.86%+3,244+17.6%Added
Pinnacle Associates Ltd21,637$12.5M0.16%−2,449−10.2%Reduced
QRG Capital Management, Inc.21,596$12.5M0.14%+8,653+66.9%Added
Steward Partners Investment Advisory, LLC21,545$12.5M0.07%+1,533+7.7%Added
Parsons Capital Management Inc21,386$12.4M0.68%+62+0.3%Added
Matrix Asset Advisors Inc21,341$12.4M1.11%−170−0.8%Reduced
Annex Advisory Services, LLC21,089$12.2M0.23%+3,469+19.7%Added
Generali Asset Management SPA SGR21,047$12.2M0.25%+4,307+25.7%Added
Carderock Capital Management Inc21,017$12.2M2.95%+5,662+36.9%Added
Nuance Investments, LLC21,010$12.2M1.34%−31,987−60.4%Reduced
S-Bank Fund Management Ltd21,000$12.2M1.58%+289+1.4%Added
First American Trust, FSB20,960$12.1M0.83%−302−1.4%Reduced
Central Trust Co20,824$12.1M0.24%−247−1.2%Reduced
Tritonpoint Wealth, LLC20,477$11.9M1.20%−45−0.2%Reduced
Signature Estate & Investment Advisors LLC20,303$11.8M0.24%−1,081−5.1%Reduced
Callan Family Office, LLC20,102$11.6M0.25%+3,757+23.0%Added
Taproot Management LP19,698$11.4M1.85%+19,698New
Cohen Klingenstein LLC19,590$11.4M0.34%00.0%Unchanged
Grandfield & Dodd, LLC19,491$11.3M0.64%+30.0%Added
Providence Capital Advisors, LLC19,395$11.2M1.89%+117+0.6%Added
Beacon Pointe Advisors, LLC19,356$11.2M0.08%−171−0.9%Reduced
Financiere des Professionnels - Fonds d,investissement inc.19,314$11.2M0.63%+7,128+58.5%Added
Baxter Bros Inc19,223$11.1M1.29%−1,414−6.9%Reduced
Louisiana State Employees Retirement System19,200$11.1M0.19%−600−3.0%Reduced
Osprey Private Wealth LLC19,140$11.1M3.19%+2,780+17.0%Added
Gulf International Bank (UK) Ltd19,138$11.1M0.36%00.0%Unchanged
Rosenblum Silverman Sutton S F Inc18,863$10.9M2.53%−324−1.7%Reduced
Brinker Capital Investments, LLC18,835$10.9M0.08%−267−1.4%Reduced
Maryland State Retirement & Pension System18,830$10.9M0.22%00.0%Unchanged
LRZ Capital LLC18,765$10.9M4.91%+18,765New
OpenArc Corporate Advisory, LLC18,570$10.8M0.18%+18,570New
Vestmark Advisory Solutions, Inc.18,544$10.7M0.15%+9,416+103.2%Added
Northstar Asset Management LLC18,406$10.7M2.26%−384−2.0%Reduced
Bleakley Financial Group, LLC18,298$10.6M0.18%+2,873+18.6%Added
NewEdge Wealth, LLC17,944$10.4M0.12%+7,337+69.2%Added
Retail Employees Superannuation Pty Ltd as trustee for Retail Employees Superannuation Trust17,927$10.4M2.78%+17,927New
R.H. Dinel Investment Counsel, Inc.17,921$10.4M7.61%−1,825−9.2%Reduced
Private Advisor Group, LLC17,863$10.4M0.05%−15−0.1%Reduced
Baader Bank INC17,812$10.3M0.86%−10,264−36.6%Reduced
Webster Bank, N. A.17,773$10.3M0.97%−222−1.2%Reduced
New Mexico Educational Retirement Board17,762$10.3M0.31%+700+4.1%Added
Hudson Valley Investment Advisors Inc17,633$10.2M1.13%−2,914−14.2%Reduced
Teca Partners, LP17,600$10.2M6.20%−7,750−30.6%Reduced
Bokf, NA17,437$10.1M0.15%−6,133−26.0%Reduced
Sky Investment Group LLC17,385$10.1M1.66%−709−3.9%Reduced
Verition Fund Management LLC17,363$10.1M0.05%+8,074+86.9%Added
Edgemoor Investment Advisors, Inc.17,271$10.0M0.78%−32−0.2%Reduced
Jacobs & Co17,235$9.99M0.94%−493−2.8%Reduced
Pensionmark Financial Group, LLC17,231$9.98M0.16%+297+1.8%Added
Marietta Wealth Management, LLC17,220$9.98M1.15%+110+0.6%Added
Pine Valley Investments Ltd Liability Co17,194$9.96M0.50%−118−0.7%Reduced
Westerkirk Capital Inc.17,000$9.85M0.96%00.0%Unchanged
Liberty Capital Management, Inc.16,951$9.82M1.83%00.0%Unchanged
Man Group plc16,821$9.75M0.02%+322+2.0%Added
Perennial Advisors, LLC16,722$9.69M1.62%+611+3.8%Added
Janney Capital Management LLC16,683$9.67M0.61%−165−1.0%Reduced
CX Institutional16,643$9.64M0.29%−173−1.0%Reduced
Dai-Ichi Life Insurance Company, Ltd16,586$9.61M0.25%−1,546−8.5%Reduced
Allianz SE16,528$9.58M0.12%+976+6.3%Added
Everence Capital Management Inc16,489$9.55M0.57%00.0%Unchanged
Salem Investment Counselors Inc16,460$9.54M0.27%−1,648−9.1%Reduced
Catalytic Wealth RIA, LLC16,334$9.46M0.35%−3,403−17.2%Reduced
Duff & Phelps Investment Management Co16,191$9.38M0.11%+2,025+14.3%Added
MMBG Investment Advisors Co.16,105$9.34M0.79%+854+5.6%Added
Lockheed Martin Investment Management Co15,970$9.25M0.31%+4,810+43.1%Added
1st Source Bank15,946$9.24M0.48%−189−1.2%Reduced
Laird Norton Trust Company, LLC15,925$9.23M0.19%+15,925New
Parkside Investments, LLC15,859$9.19M1.16%−764−4.6%Reduced
Brant Point Investment Management LLC15,829$9.17M2.22%00.0%Unchanged
Triglav Skladi, D.O.O.15,814$9.16M0.58%−6,781−30.0%Reduced
Los Angeles Capital Management LLC16,293$9.06M0.03%+13,546+493.1%Added
Horizon Investments, LLC15,527$9.00M0.11%+209+1.4%Added
Gibraltar Capital Management, Inc.15,521$8.99M1.53%−299−1.9%Reduced
Ramsay, Stattman, Vela & Price, Inc.15,508$8.99M1.62%+337+2.2%Added
Merit Financial Group, LLC15,504$8.98M0.07%+3,934+34.0%Added
Everett Harris & Co15,498$8.98M0.11%−33−0.2%Reduced
MUFG Securities EMEA plc15,402$8.92M0.10%−11,826−43.4%Reduced
Oversea-Chinese Banking CORP Ltd15,338$8.89M0.25%−910−5.6%Reduced
Sequoia Financial Advisors, LLC15,344$8.89M0.05%+466+3.1%Added
Kestra Private Wealth Services, LLC15,339$8.89M0.11%+748+5.1%Added
Bellecapital International Ltd.15,127$8.77M1.56%−246−1.6%Reduced
Prospera Financial Services Inc15,102$8.75M0.14%+695+4.8%Added
AG2R la Mondiale Gestion D'Actifs15,039$8.71M0.39%+884+6.2%Added
Clear Harbor Asset Management, LLC14,991$8.69M0.59%−65−0.4%Reduced
AMJ Financial Wealth Management14,930$8.65M2.08%+14,930New
Gabelli Funds LLC14,920$8.65M0.06%−9,745−39.5%Reduced
Appleton Partners Inc14,898$8.63M0.57%−385−2.5%Reduced