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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, 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

Q3 2026 data is still coming in: 15 institutions have reported holding TMO so far. See Q3 2026

Institutional holders
2,628
+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
1,162 more reduced

36 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: 2,628 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 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 20262,628$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, 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
Scotia Capital Inc.154,234$77.3M0.29%+7,144+4.9%Added
Ilex Capital Partners (UK) LLP154,736$77.6M1.59%+62,722+68.2%Added
Waters Parkerson & Co., LLC155,725$78.1M3.85%−2,047−1.3%Reduced
New South Capital Management Inc155,834$78.1M3.43%+21,580+16.1%Added
Cornerstone Investment Partners, LLC158,616$79.5M2.66%+66,303+71.8%Added
HighTower Advisors, LLC159,181$79.8M0.08%+14,180+9.8%Added
Nicholas Company, Inc.159,828$80.1M1.47%00.0%Unchanged
Blair William & Co160,038$80.2M0.21%−12,915−7.5%Reduced
US Bancorp160,516$80.5M0.09%−5,592−3.4%Reduced
Employees Retirement System of Texas161,033$80.7M0.64%−2,700−1.6%Reduced
Capitolis Liquid Global Markets LLC163,657$82.1M0.36%−32,516−16.6%Reduced
HM Payson & Co163,790$82.1M1.09%−20,885−11.3%Reduced
Sound Shore Management Inc165,318$82.9M2.55%+165,318New
Millennium Management LLC165,475$83.0M0.06%+94,779+134.1%Added
Castle Hook Partners LP165,965$83.2M0.89%+165,965New
Squarepoint Ops LLC167,029$83.7M0.16%+97,192+139.2%Added
Bartlett & Co. Wealth Management LLC167,029$83.8M1.05%−15,909−8.7%Reduced
La Banque Postale Asset Management SA167,179$83.8M0.84%−44,302−20.9%Reduced
Baird Financial Group, Inc.167,777$84.1M0.12%−39,226−18.9%Reduced
Harding Loevner LP169,255$84.9M0.80%+29,464+21.1%Added
Milford Funds Ltd169,454$85.0M1.38%+4,210+2.5%Added
ING Groep NV173,991$87.2M0.43%+45,736+35.7%Added
Pinebridge Investments LLC183,097$91.8M0.76%−41,545−18.5%Reduced
Vontobel Holding Ltd.185,919$93.2M0.31%−415,301−69.1%Reduced
iA Global Asset Management Inc.186,455$93.5M1.11%−48,242−20.6%Reduced
Teacher Retirement System of Texas186,915$93.7M0.25%+52,130+38.7%Added
Vanguard Investments Australia, Ltd.189,557$95.0M0.24%+2,240+1.2%Added
Robeco Schweiz AG190,933$95.7M1.54%+60,220+46.1%Added
Brown Brothers Harriman & Co191,956$96.2M0.42%−146,663−43.3%Reduced
Jefferies Financial Group Inc.193,340$96.9M0.89%+138,454+252.3%Added
Man Group plc195,160$97.8M0.18%+148,758+320.6%Added
KBC Group NV197,810$99.2M0.21%−44,740−18.4%Reduced
Treasurer of the State of North Carolina198,288$99.4M0.26%+4,150+2.1%Added
State of Wisconsin Investment Board198,373$99.5M0.20%−7,322−3.6%Reduced
Asset Management One Co.,Ltd.199,533$100.0M0.26%−4,186−2.1%Reduced
Cerity Partners LLC199,575$100.1M0.12%−911−0.5%Reduced
Retirement Systems of Alabama199,638$100.1M0.30%−1,716−0.9%Reduced
SEB Asset Management AB200,561$100.6M0.38%+10,291+5.4%Added
Quantinno Capital Management LP201,049$100.8M0.12%+12,806+6.8%Added
Mitsubishi UFJ Trust & Banking Corp202,001$101.3M0.22%+2,582+1.3%Added
Bank of Nova Scotia206,814$103.7M0.16%−63,195−23.4%Reduced
Perpetual Ltd209,366$105.0M1.50%−130,368−38.4%Reduced
Caisse de Depot Et Placement du Quebec209,989$105.3M0.15%+65,178+45.0%Added
CIBC Asset Management Inc214,502$107.6M0.24%−22,390−9.5%Reduced
Storebrand Asset Management AS214,598$107.6M0.26%+3,847+1.8%Added
Great Lakes Advisors, LLC214,974$107.8M0.82%+6,721+3.2%Added
Haverford Trust Co218,118$109.4M0.94%−8,792−3.9%Reduced
Jupiter Asset Management Ltd218,925$110.1M0.55%−15,095−6.5%Reduced
Douglas Lane & Associates, LLC221,679$111.1M1.51%+3,382+1.5%Added
Dixon Mitchell Investment Counsel Inc.222,498$111.7M3.63%+13,871+6.6%Added
Freestone Grove Partners LP226,238$113.4M0.74%+226,238New
James Hambro & Partners229,471$114.9M4.16%−11,238−4.7%Reduced
STRS Ohio232,760$116.7M0.44%−5,329−2.2%Reduced
The PNC Financial Services Group, Inc.234,237$117.4M0.06%−9,561−3.9%Reduced
TD Asset Management Inc239,981$120.3M0.10%−239,874−50.0%Reduced
Danske Bank A/S240,911$120.8M0.24%−517−0.2%Reduced
Natixis241,128$120.9M0.57%+174,535+262.1%Added
First Pacific Advisors, LP248,244$124.5M1.54%+26,348+11.9%Added
Prudential Financial Inc250,169$125.4M0.14%−2,236−0.9%Reduced
Diamond Hill Capital Management Inc252,559$126.6M1.01%−108,093−30.0%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)252,737$126.7M0.24%−100,626−28.5%Reduced
Commerce Bank254,838$127.8M0.56%−8,533−3.2%Reduced
AQR Capital Management LLC257,910$129.0M0.04%+132,228+105.2%Added
Voya Investment Management LLC257,632$129.2M0.11%+20,298+8.6%Added
SEI Investments Co263,413$132.1M0.12%−41,229−13.5%Reduced
Bradley Foster & Sargent Inc264,936$132.8M1.88%+8,376+3.3%Added
Evercore Wealth Management, LLC265,163$132.9M1.88%−1,590−0.6%Reduced
Sarasin & Partners LLP266,872$133.8M1.57%+17,018+6.8%Added
Jennison Associates LLC269,128$134.9M0.08%+30,726+12.9%Added
Keybank National Association269,331$135.0M0.44%−10,379−3.7%Reduced
Korea Investment CORP277,446$139.1M0.26%+11,295+4.2%Added
Point72 Asset Management, L.P.277,735$139.2M0.21%−75,806−21.4%Reduced
Blue Sparrow, LLC280,000$140.4M1.36%+271,300+3,118.4%Added
Route One Investment Company, L.P.280,400$140.6M5.82%+21,700+8.4%Added
Credit Agricole S A284,611$142.7M0.36%−32,220−10.2%Reduced
New York State Teachers Retirement System286,141$143.5M0.26%−13,121−4.4%Reduced
Chevy Chase Trust Holdings, Inc.293,484$147.1M0.38%−16,517−5.3%Reduced
Local Pensions Partnership Investment Ltd304,551$152.5M3.20%−37,154−10.9%Reduced
Menora Mivtachim Holdings Ltd.304,632$152.7M0.60%00.0%Unchanged
Canoe Financial LP309,994$155.4M1.92%+148,999+92.5%Added
Van Eck Associates Corp310,006$155.4M0.09%−35,746−10.3%Reduced
Quilter Plc311,210$156.0M2.35%+23,168+8.0%Added
Woodline Partners LP316,281$158.6M0.49%−21,538−6.4%Reduced
Compagnie Lombard Odier SCmA319,810$160.3M1.73%+20,565+6.9%Added
State Board of Administration of Florida Retirement System320,764$160.8M0.27%−10,788−3.3%Reduced
Nomura Asset Management Co Ltd321,187$161.0M0.34%+1,215+0.4%Added
LPL Financial LLC325,602$163.2M0.04%−11,673−3.5%Reduced
Groupama Asset Managment327,868$166.0M2.09%+59,318+22.1%Added
Mackenzie Financial Corp331,992$166.4M0.17%+109,403+49.2%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.334,433$167.7M0.17%−305,951−47.8%Reduced
Russell Investments Group, Ltd.337,909$169.7M0.15%+34,256+11.3%Added
Bristol John W & Co Inc338,876$169.9M2.51%−3,889−1.1%Reduced
Assenagon Asset Management S.A.341,813$171.4M0.22%+155,377+83.3%Added
Mondrian Investment Partners LTD346,262$173.6M3.13%+27,261+8.5%Added
Candriam Luxembourg S.C.A.347,426$174.0M0.78%−6,661−1.9%Reduced
PGGM Investments349,737$175.3M4.31%+40,540+13.1%Added
Select Equity Group, L.P.352,700$176.8M0.94%+53,200+17.8%Added
Alecta Pensionsforsakring, Omsesidigt356,000$178.2M0.75%+3,800+1.1%Added
Railway Pension Investments Ltd358,970$180.0M2.26%−49,960−12.2%Reduced
Nomura Asset Management International Inc.360,056$180.5M0.27%+5,457+1.5%Added