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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
935 more added
Sold out
148
1,162 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
BlackRock, Inc.30,919,632$15.5B0.23%+492,440+1.6%Added
Vanguard Capital Management LLC24,276,316$12.2B0.26%−4,5000.0%Reduced
State Street Corp16,825,879$8.44B0.25%+94,211+0.6%Added
FMR LLC14,084,488$7.06B0.31%+3,308,052+30.7%Added
Morgan Stanley10,763,066$5.40B0.29%−100,462−0.9%Reduced
JPMorgan Chase & Co8,503,527$4.31B0.25%+1,708,045+25.1%Added
Geode Capital Management, LLC8,382,401$4.18B0.22%−25,490−0.3%Reduced
Franklin Resources Inc7,271,514$3.65B0.79%+458,483+6.7%Added
Vanguard Portfolio Management LLC6,226,169$3.12B0.14%+62,799+1.0%Added
Capital World Investors6,195,370$3.11B0.37%−450,946−6.8%Reduced
Price T Rowe Associates Inc5,116,336$2.57B0.26%−1,199,135−19.0%Reduced
Norges Bank5,087,903$2.55B0.25%+5,087,903New
Massachusetts Financial Services Co2,965,714$2.28B0.73%−47,395−1.6%Reduced
Capital Research Global Investors4,147,545$2.08B0.29%−267,076−6.0%Reduced
Bank of New York Mellon Corp3,938,410$1.97B0.32%+171,796+4.6%Added
Bank of America Corp3,895,265$1.95B0.13%−1,638,138−29.6%Reduced
Royal Bank of Canada3,430,798$1.72B0.29%−483,105−12.3%Reduced
Northern Trust Corp3,328,836$1.67B0.19%−86,774−2.5%Reduced
Capital International Investors3,182,151$1.60B0.33%−706,575−18.2%Reduced
Charles Schwab Investment Management Inc3,114,527$1.56B0.21%+179,685+6.1%Added
Dodge & Cox3,054,778$1.53B0.80%+3,029,037+11,767.4%Added
Goldman Sachs Group Inc2,957,066$1.48B0.16%−200,160−6.3%Reduced
Fisher Asset Management, LLC2,915,715$1.46B0.44%+64,136+2.2%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main2,757,752$1.38B1.09%−157,166−5.4%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC2,739,191$1.37B3.09%+236,985+9.5%Added
UBS Group AG2,521,208$1.26B0.20%+67,755+2.8%Added
UBS Asset Management Americas Inc2,472,524$1.24B0.23%+22,827+0.9%Added
Legal & General Group Plc2,238,613$1.12B0.23%−131,918−5.6%Reduced
EdgePoint Investment Group Inc.2,179,650$1.09B8.26%+260,653+13.6%Added
Invesco Ltd.2,179,010$1.09B0.09%−56,710−2.5%Reduced
Vanguard Fiduciary Trust Co2,086,585$1.05B0.23%−25,082−1.2%Reduced
Unisphere Establishment2,060,000$1.03B8.79%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.2,012,934$1.01B0.56%+159,708+8.6%Added
Primecap Management Co1,982,271$993.8M0.59%−2600.0%Reduced
Viking Global Investors LPSuperinvestorViking Global Investors1,937,415$971.3M2.77%+269,390+16.2%Added
Flossbach Von Storch AG1,905,975$955.6M4.32%−48,095−2.5%Reduced
Amundi1,813,091$909.0M0.22%−203,169−10.1%Reduced
Alliancebernstein L.P.1,849,037$908.9M0.32%−341,571−15.6%Reduced
1832 Asset Management L.P.1,721,443$863.1M1.06%−248,175−12.6%Reduced
Dimensional Fund Advisors LP1,712,845$858.8M0.16%+23,055+1.4%Added
Clearbridge Investments, LLC1,691,069$847.8M0.70%+80,372+5.0%Added
Parnassus Investments1,639,589$822.0M2.20%+134,938+9.0%Added
Ameriprise Financial Inc1,547,342$775.9M0.16%−123,058−7.4%Reduced
Schroder Investment Management Group1,525,255$764.7M0.54%−203,185−11.8%Reduced
Nuveen, LLC1,513,180$758.6M0.18%−133,809−8.1%Reduced
Wells Fargo & Company1,458,431$731.2M0.13%+14,919+1.0%Added
Barclays PLC1,354,112$678.9M0.21%−489,971−26.6%Reduced
Manufacturers Life Insurance Company, The1,330,750$667.2M0.52%−92,960−6.5%Reduced
Loomis Sayles & Co L P1,315,185$659.4M0.83%−48,573−3.6%Reduced
Swedbank AB1,298,760$651.1M0.56%−181,534−12.3%Reduced
Deutsche Bank AG1,214,802$609.1M0.18%−45,543−3.6%Reduced
Temasek Holdings (Private) Ltd1,163,729$583.4M1.60%−32,070−2.7%Reduced
Lazard Asset Management LLC1,134,093$568.6M0.86%−87,964−7.2%Reduced
Sumitomo Mitsui Trust Holdings, Inc.1,079,405$541.2M0.31%+866+0.1%Added
Pictet Asset Management Holding SA1,073,670$538.4M0.51%−987,673−47.9%Reduced
Farallon Capital Management, L.L.C.1,049,185$526.0M3.08%+167,700+19.0%Added
Swiss National Bank1,048,120$525.5M0.27%−54,520−4.9%Reduced
Arrowstreet Capital, Limited Partnership1,007,394$505.1M0.22%+373,025+58.8%Added
Rathbone Brothers plc1,005,460$504.1M1.86%+51,552+5.4%Added
Wellington Management Group LLP979,181$490.9M0.08%−499,070−33.8%Reduced
SG Americas Securities, LLC937,270$469.9M0.27%+793,335+551.2%Added
Veritas Asset Management LLP882,873$442.6M7.96%+36,878+4.4%Added
Colony Group, LLC860,536$431.4M0.44%−280,416−24.6%Reduced
HSBC Holdings PLC855,955$429.6M0.21%+137,002+19.1%Added
First Manhattan Co841,894$422.4M1.08%+74,734+9.7%Added
National Pension Service841,947$422.1M0.27%+12,295+1.5%Added
D1 Capital Partners L.P.SuperinvestorD1 Capital Partners817,123$409.7M1.18%+92,118+12.7%Added
London & Capital Asset Management Ltd814,886$408.0M3.74%+21,414+2.7%Added
Vanguard Global Advisers, LLC801,663$401.9M0.19%−20,384−2.5%Reduced
FIL Ltd789,329$395.7M0.28%+257,462+48.4%Added
Raymond James Financial Inc779,661$390.9M0.11%+4,343+0.6%Added
BNP Paribas Arbitrage, SA737,831$369.9M0.19%+72,703+10.9%Added
DekaBank Deutsche Girozentrale772,643$369.5M0.62%00.0%Unchanged
Vanguard Asset Management, Ltd729,800$365.9M0.25%+77,079+11.8%Added
CI Private Wealth, LLC707,412$354.7M0.49%−124,657−15.0%Reduced
California Public Employees Retirement System696,759$349.3M0.20%+1700.0%Added
King Luther Capital Management Corp677,313$339.6M1.39%−32,181−4.5%Reduced
Jupiter Topco LLC673,276$337.5M0.14%+673,276New
Neuberger Berman Group LLC667,506$334.7M0.22%−218,064−24.6%Reduced
Citigroup Inc650,976$326.4M0.15%+78,799+13.8%Added
Baillie Gifford & Co645,648$323.7M0.29%−52,793−7.6%Reduced
D. E. Shaw & Co., Inc.641,637$321.7M0.20%+338,789+111.9%Added
Stifel Financial Corp633,668$317.7M0.26%−15,479−2.4%Reduced
Glenview Capital Management, LLC627,240$314.5M6.28%+376,715+150.4%Added
Victory Capital Management Inc616,961$309.3M0.17%−10,743−1.7%Reduced
Canada Pension Plan Investment Board614,218$307.9M0.17%+51,798+9.2%Added
Rhumbline Advisers593,946$297.8M0.22%−18,004−2.9%Reduced
Ninety One UK Ltd593,668$297.6M0.67%−43,594−6.8%Reduced
Envestnet Asset Management Inc592,301$297.0M0.07%−21,086−3.4%Reduced
Mirova US LLC591,257$296.4M3.19%−23,833−3.9%Reduced
Bank of Montreal581,630$291.6M0.11%+2,589+0.4%Added
Robeco Institutional Asset Management B.V.577,627$289.6M0.36%−57,012−9.0%Reduced
Citadel Advisors LLC574,992$288.3M0.17%−289,497−33.5%Reduced
California State Teachers Retirement System563,776$282.7M0.26%−8,035−1.4%Reduced
Principal Financial Group Inc553,857$277.7M0.14%−70,864−11.3%Reduced
CIBC Bancorp USA Inc.544,854$273.4M0.34%−100,157−15.5%Reduced
Eurizon Capital SGR S.p.A.539,965$271.5M0.73%+121,476+29.0%Added
Handelsbanken Fonder AB538,524$270.0M0.77%−96,304−15.2%Reduced
Natixis Advisors, L.P.535,154$268.3M0.30%−15,053−2.7%Reduced
APG Asset Management N.V.607,825$266.5M0.65%−324,313−34.8%Reduced