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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; 2,627 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, Q3 2025

Institutional positions in Thermo Fisher Scientific Inc. as of Sep 30, 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
2,515
+95 vs. Q2 2025
Shares held
331.9M
+1.37M (+0.4%) vs. Q2 2025
Total value
$160.7B
+$27.5B (+20.6%) vs. Q2 2025
New holders
241
981 more added
Sold out
146
958 more reduced

40 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 2,515 institutions
Q1 2021: 2,046 institutionsQ2 2021: 2,082 institutionsQ3 2021: 2,135 institutionsQ4 2021: 2,347 institutionsQ1 2022: 2,321 institutionsQ2 2022: 2,287 institutionsQ3 2022: 2,270 institutionsQ4 2022: 2,379 institutionsQ1 2023: 2,391 institutionsQ2 2023: 2,392 institutionsQ3 2023: 2,370 institutionsQ4 2023: 2,496 institutionsQ1 2024: 2,535 institutionsQ2 2024: 2,554 institutionsQ3 2024: 2,580 institutionsQ4 2024: 2,625 institutionsQ1 2025: 2,577 institutionsQ2 2025: 2,460 institutionsQ3 2025: 2,515 institutionsQ4 2025: 2,708 institutionsQ1 2026: 2,612 institutionsQ2 2026: 2,627 institutions
Value heldQ3 2025: $160.7B
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 20262,627$169.2B
Q1 20262,612$164.1B
Q4 20252,708$199.1B
Q3 20252,515$160.7B
Q2 20252,460$135.6B
Q1 20252,577$167.8B
Q4 20242,625$176.4B
Q3 20242,580$208.3B
Q2 20242,554$187.5B
Q1 20242,535$196.3B
Q4 20232,496$181.6B
Q3 20232,370$173.1B
Q2 20232,392$177.8B
Q1 20232,391$196.1B
Q4 20222,379$190.1B
Q3 20222,270$175.3B
Q2 20222,287$186.4B
Q1 20222,321$203.3B
Q4 20212,347$230.1B
Q3 20212,135$197.5B
Q2 20212,082$172.9B
Q1 20212,046$157.2B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q2 2025.

Institutions holding TMO in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc33,845,406$16.4B0.25%+56,242+0.2%Added
BlackRock, Inc.29,637,636$14.4B0.25%+2,307,628+8.4%Added
State Street Corp16,384,131$7.95B0.28%−96,834−0.6%Reduced
Morgan Stanley12,721,912$6.17B0.37%−155,683−1.2%Reduced
Capital World Investors10,285,145$4.99B0.68%+706,572+7.4%Added
Geode Capital Management, LLC8,170,052$3.94B0.25%+55,265+0.7%Added
FMR LLC7,593,809$3.68B0.19%+3,602,808+90.3%Added
JPMorgan Chase & Co7,273,309$3.53B0.22%−1,880,759−20.5%Reduced
Price T Rowe Associates Inc6,470,481$3.14B0.34%+911,822+16.4%Added
Franklin Resources Inc5,925,671$2.87B0.72%+1,028,125+21.0%Added
Bank of America Corp5,370,699$2.60B0.20%+1,445,375+36.8%Added
Bank of New York Mellon Corp3,571,857$1.73B0.31%+1,262,967+54.7%Added
Northern Trust Corp3,521,705$1.71B0.22%−84,636−2.3%Reduced
Capital Research Global Investors3,162,662$1.53B0.29%−2,270,997−41.8%Reduced
Massachusetts Financial Services Co2,936,998$1.42B0.44%+594,218+25.4%Added
Pictet Asset Management Holding SA2,890,440$1.40B1.35%+42,003+1.5%Added
Charles Schwab Investment Management Inc2,854,448$1.38B0.22%−146,114−4.9%Reduced
Royal Bank of Canada2,722,729$1.32B0.24%−593,425−17.9%Reduced
Fisher Asset Management, LLC2,721,101$1.32B0.48%+31,298+1.2%Added
Wellington Management Group LLP2,699,460$1.31B0.23%+1,270,191+88.9%Added
Goldman Sachs Group Inc2,595,756$1.26B0.18%+274,267+11.8%Added
Alliancebernstein L.P.2,541,741$1.23B0.39%+369,975+17.0%Added
Flossbach Von Storch AG2,516,098$1.22B4.81%−210,923−7.7%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main2,504,084$1.21B1.09%+1,970,033+368.9%Added
Legal & General Group Plc2,462,988$1.19B0.27%+124,432+5.3%Added
UBS Asset Management Americas Inc2,415,003$1.17B0.25%−658,040−21.4%Reduced
UBS Group AG2,318,453$1.12B0.22%−87,496−3.6%Reduced
Primecap Management Co2,303,322$1.12B0.86%−102,870−4.3%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.2,178,119$1.06B0.76%−79,305−3.5%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC2,141,863$1.04B2.93%+290,558+15.7%Added
Parnassus Investments2,093,621$1.02B2.35%−71,637−3.3%Reduced
Barclays PLC2,076,983$1.01B0.37%+507,167+32.3%Added
Unisphere Establishment2,060,000$999.1M7.83%00.0%Unchanged
Clearbridge Investments, LLC1,967,528$954.3M0.72%+546,587+38.5%Added
Invesco Ltd.1,915,286$929.0M0.15%+355,659+22.8%Added
Swedbank AB1,792,373$869.3M0.88%+108,315+6.4%Added
Manufacturers Life Insurance Company, The1,782,525$864.6M0.71%−510,739−22.3%Reduced
Amundi1,587,001$863.2M0.28%−792,205−33.3%Reduced
Schroder Investment Management Group1,725,347$836.8M0.65%+113,161+7.0%Added
Dimensional Fund Advisors LP1,667,747$808.6M0.17%−24,687−1.5%Reduced
Lazard Asset Management LLC1,582,872$767.7M1.04%−17,742−1.1%Reduced
Ameriprise Financial Inc1,572,998$762.9M0.18%−115,887−6.9%Reduced
Loomis Sayles & Co L P1,412,683$685.2M0.81%−1,709−0.1%Reduced
EdgePoint Investment Group Inc.1,388,662$673.5M5.03%+65,597+5.0%Added
Wells Fargo & Company1,348,891$654.2M0.13%−38,765−2.8%Reduced
Nuveen, LLC1,301,185$631.1M0.17%+129,970+11.1%Added
Generation Investment Management LLP1,284,924$623.2M4.13%+295,984+29.9%Added
Arrowstreet Capital, Limited Partnership1,266,125$614.1M0.39%+55,171+4.6%Added
Farallon Capital Management, L.L.C.1,258,241$610.3M3.45%−125,000−9.0%Reduced
1832 Asset Management L.P.1,240,314$601.6M1.02%+100,372+8.8%Added
Janus Henderson Group PLC1,237,862$600.4M0.27%+29,952+2.5%Added
Veritas Asset Management LLP1,218,105$590.8M6.31%−45,342−3.6%Reduced
Deutsche Bank AG1,205,927$584.9M0.20%−107,673−8.2%Reduced
Sumitomo Mitsui Trust Holdings, Inc.1,129,754$548.0M0.32%+5,892+0.5%Added
Temasek Holdings (Private) Ltd1,107,590$537.2M1.87%−35,897−3.1%Reduced
Swiss National Bank1,088,200$527.8M0.31%−54,500−4.8%Reduced
Rathbone Brothers plc942,391$457.1M1.86%+37,037+4.1%Added
Capital International Investors915,007$443.8M0.07%+5,698+0.6%Added
Longview Partners (Guernsey) LTD903,566$438.2M4.58%+34,981+4.0%Added
Neuberger Berman Group LLC867,616$420.8M0.31%−54,072−5.9%Reduced
Cantillon Capital Management LLC866,770$420.4M2.31%−9,495−1.1%Reduced
Ninety One UK Ltd835,599$405.3M0.88%+29,806+3.7%Added
CIBC Private Wealth Group, LLC834,965$405.0M0.69%+249,171+42.5%Added
Lindsell Train LtdSuperinvestorLindsell Train817,529$396.5M9.73%−37,083−4.3%Reduced
National Pension Service817,341$396.4M0.31%+20,039+2.5%Added
Vontobel Holding Ltd.814,071$394.8M1.24%−275,032−25.3%Reduced
Ensign Peak Advisors, Inc797,594$386.8M0.63%+271,007+51.5%Added
HSBC Holdings PLC795,575$384.6M0.23%−61,192−7.1%Reduced
First Manhattan Co775,180$376.3M0.99%−181,524−19.0%Reduced
Van Eck Associates Corp770,774$373.8M0.35%+337,008+77.7%Added
Robeco Institutional Asset Management B.V.759,076$368.2M0.53%+233,200+44.3%Added
California Public Employees Retirement System755,649$366.5M0.22%−7,783−1.0%Reduced
C WorldWide Group Holding A/S751,103$364.3M5.61%−136,346−15.4%Reduced
Raymond James Financial Inc749,829$363.7M0.12%−28,993−3.7%Reduced
Citigroup Inc749,549$363.5M0.25%−93,766−11.1%Reduced
DekaBank Deutsche Girozentrale772,643$356.0M0.60%00.0%Unchanged
CI Private Wealth, LLC732,197$354.9M0.56%−143,246−16.4%Reduced
APG Asset Management N.V.848,734$350.3M0.98%+229,028+37.0%Added
Kovitz Investment Group Partners, LLC717,840$348.2M1.36%+7,033+1.0%Added
Handelsbanken Fonder AB703,138$341.0M1.08%+202,017+40.3%Added
Waverton Investment Management Ltd691,342$335.0M4.31%+26,342+4.0%Added
King Luther Capital Management Corp680,119$329.9M1.36%−53,844−7.3%Reduced
Victory Capital Management Inc839,372$327.8M0.21%+19,316+2.4%Added
Stifel Financial Corp674,148$327.0M0.30%−9,073−1.3%Reduced
Mirova US LLC660,789$320.5M3.24%−26,277−3.8%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP542,687$310.4M2.72%−2,850−0.5%Reduced
Alecta Pensionsforsakring, Omsesidigt625,400$303.0M1.35%−87,500−12.3%Reduced
Rhumbline Advisers624,202$302.8M0.24%−10,853−1.7%Reduced
B. Metzler seel. Sohn & Co. AG616,501$299.0M2.64%+2,776+0.5%Added
Assenagon Asset Management S.A.615,335$298.4M0.44%+573,743+1,379.5%Added
Ci Investments Inc.611,885$296.8M1.08%+83,388+15.8%Added
California State Teachers Retirement System601,554$291.8M0.30%−477−0.1%Reduced
Royal London Asset Management Ltd581,277$281.9M0.61%−10,680−1.8%Reduced
Allianz Asset Management GmbH578,831$280.7M0.35%−225,286−28.0%Reduced
Principal Financial Group Inc571,501$277.2M0.14%−626,401−52.3%Reduced
Envestnet Asset Management Inc568,471$275.7M0.08%−57,885−9.2%Reduced
BlueSpruce Investments, LP564,493$273.8M6.29%−101,257−15.2%Reduced
Bessemer Group Inc540,350$262.1M0.40%+1,919+0.4%Added
Adage Capital Partners GP, L.L.C.538,880$261.4M0.41%+213,156+65.4%Added
Kempen Capital Management N.V.517,264$250.9M2.24%−595−0.1%Reduced