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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, Q2 2026

Institutional positions in Thermo Fisher Scientific Inc. as of Jun 30, 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
2,627
+52 vs. Q1 2026
Shares held
336.0M
+4.61M (+1.4%) vs. Q1 2026
Total value
$169.2B
+$5.54B (+3.4%) vs. Q1 2026
New holders
200
936 more added
Sold out
148
1,161 more reduced

37 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 2,627 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 heldQ2 2026: $169.2B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q1 2026.

Institutions holding TMO in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Investments Australia, Ltd.189,557$95.0M0.24%+2,240+1.2%Added
Teacher Retirement System of Texas186,915$93.7M0.25%+52,130+38.7%Added
iA Global Asset Management Inc.186,455$93.5M1.11%−48,242−20.6%Reduced
Vontobel Holding Ltd.185,919$93.2M0.31%−415,301−69.1%Reduced
Pinebridge Investments LLC183,097$91.8M0.76%−41,545−18.5%Reduced
ING Groep NV173,991$87.2M0.43%+45,736+35.7%Added
Milford Funds Ltd169,454$85.0M1.38%+4,210+2.5%Added
Harding Loevner LP169,255$84.9M0.80%+29,464+21.1%Added
Baird Financial Group, Inc.167,777$84.1M0.12%−39,226−18.9%Reduced
La Banque Postale Asset Management SA167,179$83.8M0.84%−44,302−20.9%Reduced
Bartlett & Co. Wealth Management LLC167,029$83.8M1.05%−15,909−8.7%Reduced
Squarepoint Ops LLC167,029$83.7M0.16%+97,192+139.2%Added
Castle Hook Partners LP165,965$83.2M0.89%+165,965New
Millennium Management LLC165,475$83.0M0.06%+94,779+134.1%Added
Sound Shore Management Inc165,318$82.9M2.55%+165,318New
HM Payson & Co163,790$82.1M1.09%−20,885−11.3%Reduced
Capitolis Liquid Global Markets LLC163,657$82.1M0.36%−32,516−16.6%Reduced
Employees Retirement System of Texas161,033$80.7M0.64%−2,700−1.6%Reduced
US Bancorp160,516$80.5M0.09%−5,592−3.4%Reduced
Blair William & Co160,038$80.2M0.21%−12,915−7.5%Reduced
Nicholas Company, Inc.159,828$80.1M1.47%00.0%Unchanged
HighTower Advisors, LLC159,181$79.8M0.08%+14,180+9.8%Added
Cornerstone Investment Partners, LLC158,616$79.5M2.66%+66,303+71.8%Added
New South Capital Management Inc155,834$78.1M3.43%+21,580+16.1%Added
Waters Parkerson & Co., LLC155,725$78.1M3.85%−2,047−1.3%Reduced
Ilex Capital Partners (UK) LLP154,736$77.6M1.59%+62,722+68.2%Added
Scotia Capital Inc.154,234$77.3M0.29%+7,144+4.9%Added
KLP Kapitalforvaltning AS153,703$77.1M0.25%+6,680+4.5%Added
PFA Pension, Forsikringsaktieselskab151,824$76.1M0.19%−68,895−31.2%Reduced
Omers Administration Corp151,625$76.0M0.45%−275,065−64.5%Reduced
Skye Global Management LP150,500$75.5M1.47%+32,000+27.0%Added
Aviso Financial Inc.146,565$73.5M2.55%−3,175−2.1%Reduced
UniSuper Management Pty Ltd145,972$73.2M0.38%+12,545+9.4%Added
Public Employees Retirement System of Ohio144,058$72.2M0.21%−11,170−7.2%Reduced
Harvest Portfolios Group Inc.143,288$71.8M1.01%+24,841+21.0%Added
Cincinnati Insurance Co140,967$70.7M1.02%+34,767+32.7%Added
Raiffeisen Bank International AG138,757$70.2M0.83%+1,871+1.4%Added
Gotham Asset Management, LLC139,499$69.9M0.16%+37,434+36.7%Added
Creative Planning137,468$68.9M0.04%+8,120+6.3%Added
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund135,932$68.2M1.22%00.0%Unchanged
Summitry LLC135,659$68.0M2.24%−3,591−2.6%Reduced
Lansforsakringar Fondforvaltning AB (publ)131,916$66.1M0.30%−6,379−4.6%Reduced
Allspring Global Investments Holdings, LLC127,814$65.6M0.10%+4,139+3.3%Added
CIBC World Markets Inc.130,504$65.4M0.11%+29,970+29.8%Added
Toroso Investments, LLC128,918$64.6M0.16%−4,799−3.6%Reduced
Toronto Dominion Bank127,491$63.9M0.11%+11,018+9.5%Added
Abn Amro Investment Solutions126,330$63.3M0.55%+6,508+5.4%Added
Bridges Investment Management Inc126,117$63.2M0.77%−13,367−9.6%Reduced
Formuepleje A/S125,121$62.7M4.91%−9,246−6.9%Reduced
Chilton Capital Management LLC124,356$62.3M1.97%+8,959+7.8%Added
Davis R M Inc122,380$61.4M0.97%−612−0.5%Reduced
Armistice Capital, LLC122,480$61.4M1.70%+30,989+33.9%Added
State of Tennessee, Treasury Department122,386$61.4M0.18%−15,618−11.3%Reduced
Northwestern Mutual Wealth Management Co121,828$61.1M0.03%−900−0.7%Reduced
Mariner, LLC121,219$60.8M0.06%−12,423−9.3%Reduced
State of New Jersey Common Pension Fund D120,401$60.4M0.21%−8,834−6.8%Reduced
Janney Montgomery Scott LLC119,558$59.9M0.12%+2,702+2.3%Added
Impax Asset Management Group plc118,420$59.4M0.39%+662+0.6%Added
Evelyn Partners Group Ltd117,349$58.8M1.10%+117,349New
DnB Asset Management AS117,013$58.7M0.16%+3,148+2.8%Added
Tredje AP-fonden115,995$58.2M0.26%−16,389−12.4%Reduced
Guyasuta Investment Advisors Inc115,679$58.0M3.00%+911+0.8%Added
Nisa Investment Advisors, LLC115,316$57.9M0.18%−5,562−4.6%Reduced
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management115,200$57.8M4.00%−5,800−4.8%Reduced
Calamos Advisors LLC115,172$57.7M0.21%−24,058−17.3%Reduced
Scharf Investments, LLC112,770$56.5M1.87%−19,625−14.8%Reduced
Caledonia Investments PLC111,767$56.0M6.34%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund110,138$55.2M0.08%+29,089+35.9%Added
Cetera Investment Advisers109,972$55.1M0.05%+2,183+2.0%Added
Mn Services Vermogensbeheer B.V.108,215$54.3M0.41%−37,900−25.9%Reduced
Truist Financial Corp108,038$54.2M0.06%−4,518−4.0%Reduced
Nykredit A/S107,565$53.9M0.21%+107,565New
Magellan Asset Management Ltd105,936$53.1M1.19%+22,749+27.3%Added
Czech National Bank105,778$53.0M0.29%+3,456+3.4%Added
Compass Capital Management, Inc104,987$52.6M3.17%−645−0.6%Reduced
Resona Asset Management Co.,Ltd.104,283$52.4M0.25%−10,124−8.8%Reduced
Silvercrest Asset Management Group LLC104,046$52.2M0.34%+13,955+15.5%Added
Spear Holdings RSC Ltd103,360$51.8M3.09%+42,722+70.5%Added
PBCay One RSC Ltd103,355$51.8M3.09%+42,720+70.5%Added
Arizona State Retirement System103,118$51.7M0.26%+152+0.1%Added
Groupe la Francaise103,203$51.5M0.63%−10,282−9.1%Reduced
Snyder Capital Management L P102,432$51.4M0.89%+4,771+4.9%Added
AIA Group Ltd102,282$51.3M0.64%+15,589+18.0%Added
Senator Investment Group LP100,000$50.1M1.83%+100,000New
Westwood Holdings Group Inc.97,521$48.9M0.37%−29,135−23.0%Reduced
Dundas Partners LLP97,396$48.8M3.53%00.0%Unchanged
Spears Abacus Advisors LLC96,455$48.4M0.86%+7,981+9.0%Added
M&T Bank Corp96,248$48.3M0.14%−1,334−1.4%Reduced
State of Michigan Retirement System95,110$47.7M0.21%−3,000−3.1%Reduced
Mirae Asset Global Investments Co., Ltd.94,903$47.6M0.09%+7,867+9.0%Added
ASR Vermogensbeheer N.V.93,709$47.0M0.48%−9,824−9.5%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund93,258$46.8M0.22%+1,840+2.0%Added
Brown Advisory Inc92,785$46.5M0.07%+352+0.4%Added
Confluence Investment Management LLC92,781$46.5M0.73%+2,630+2.9%Added
Danica Pension, Livsforsikringsaktieselskab92,429$46.3M0.74%−16,821−15.4%Reduced
ZWJ Investment Counsel Inc92,414$46.3M1.50%+4,559+5.2%Added
Mesirow Financial Investment Management, Inc.91,809$46.0M0.72%+1,426+1.6%Added
Washington Trust Co91,449$45.8M1.42%−1,666−1.8%Reduced
Midwest Trust Co91,340$45.8M0.52%+1,189+1.3%Added
American Century Companies Inc90,897$45.6M0.02%−323,498−78.1%Reduced