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TMO

Thermo Fisher Scientific Inc.
$524.71 +14.58 (+2.86%) At close · Jul 9
Market Cap
$195.48B
Shares
371,621,465

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 2,593
Total Value: $162,063,697,832
Total Shares: 329,674,890
Showing 1–100 of 2,657 holdings by value · page 1 of 27

Institutional Ownership Trend

26 quarters

Superinvestors Holding TMO

All superinvestors →
Andreas Halvorsen $819,884,328 Daniel Sundheim $356,361,707 Nick Train $303,377,722 Wally Weitz $59,475,130 Joel Greenblatt $50,168,009 Thomas Gayner $32,981,663 Ray Dalio $7,120,795 Mario Gabelli $2,228,105

Holder Concentration

Across 2,594 13F filers
Top Holder
9.2%
Jun 2023 → Mar 2026 · range 9.2% – 10.1%
of institutional value
Top 5
28.2%
Jun 2023 → Mar 2026 · range 28.2% – 30.8%
of institutional value
Top 10
38.8%
Jun 2023 → Mar 2026 · range 38.8% – 41.9%
of institutional value
HHI
237
Jun 2023 → Mar 2026 · range 237 – 275
Broadly held
Showing 100 of 2,657
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $14,955,877,673 9.23% 30,427,192
Mega VANGUARD CAPITAL MANAGEMENT LLC $11,934,749,488 7.36% 24,280,816
Mega STATE STREET CORP $8,224,116,772 5.07% 16,731,668
Mega MORGAN STANLEY $5,339,749,905 3.29% 10,863,528
Mega FMR LLC $5,296,941,583 3.27% 10,776,436
Mega GEODE CAPITAL MANAGEMENT, LLC $4,132,730,662 2.55% 8,407,891
Mega FRANKLIN RESOURCES INC $3,348,809,122 2.07% 6,813,031
Mega JPMORGAN CHASE & CO $3,340,183,256 2.06% 6,795,482
Mega Capital World Investors $3,266,863,703 2.02% 6,646,316
Mega PRICE T ROWE ASSOCIATES INC /MD/ $3,104,243,460 1.92% 6,315,471
Mega BANK OF AMERICA CORP /DE/ Bank $2,719,833,571 1.68% 5,533,403
Mega Capital Research Global Investors $2,169,918,660 1.34% 4,414,621
Mega ROYAL BANK OF CANADA Bank $1,923,800,734 1.19% 3,913,903
Mega Capital International Investors $1,911,425,490 1.18% 3,888,726
Mega Bank of New York Mellon Corp Bank $1,851,403,765 1.14% 3,766,614
Mega NORTHERN TRUST CORP Bank $1,678,874,778 1.04% 3,415,610
Mega GOLDMAN SACHS GROUP INC $1,551,871,293 0.96% 3,157,226
Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $1,481,033,464 0.91% 3,013,109
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $1,442,562,888 0.89% 2,934,842
Mega DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main Bank $1,432,769,640 0.88% 2,914,918
Mega Fisher Asset Management, LLC $1,401,636,625 0.86% 2,851,579
Large Grantham, Mayo, Van Otterloo & Co. LLC $1,229,909,315 0.76% 2,502,206
Mega UBS Group AG $1,205,945,748 0.74% 2,453,453
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,204,099,562 0.74% 2,449,697
Mega Legal & General Group Plc $1,165,187,101 0.72% 2,370,531
Mega Invesco Ltd. $1,098,923,441 0.68% 2,235,720
Mega ALLIANCEBERNSTEIN L.P. $1,076,749,550 0.66% 2,190,608
Mega VANGUARD FIDUCIARY TRUST CO Bank $1,037,947,680 0.64% 2,111,667
Large Pictet Asset Management Holding SA $1,013,211,924 0.63% 2,061,343
Large Unisphere Establishment $1,012,551,800 0.62% 2,060,000
Mega Amundi $991,052,273 0.61% 2,016,260
Mega PRIMECAP MANAGEMENT CO/CA/ $974,473,462 0.60% 1,982,531
Large 1832 Asset Management L.P. $968,126,335 0.60% 1,969,618
Large FLOSSBACH VON STORCH SE $960,484,027 0.59% 1,954,070
Large EdgePoint Investment Group Inc. $943,244,595 0.58% 1,918,997
Mega Mitsubishi UFJ Asset Management Co., Ltd. $910,916,175 0.56% 1,853,226
Mega BARCLAYS PLC $906,422,113 0.56% 1,844,083
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $849,580,108 0.52% 1,728,440
Mega DIMENSIONAL FUND ADVISORS LP $830,582,476 0.51% 1,689,790
Mega AMERIPRISE FINANCIAL INC $821,051,708 0.51% 1,670,400
Large VIKING GLOBAL INVESTORS LP $819,884,328 0.51% 1,668,025
Mega Nuveen, LLC $809,544,502 0.50% 1,646,989
Mega Clearbridge Investments, LLC $791,705,896 0.49% 1,610,697
Large PARNASSUS INVESTMENTS, LLC $739,581,106 0.46% 1,504,651
Large Swedbank AB Bank $727,608,908 0.45% 1,480,294
Mega WELLINGTON MANAGEMENT GROUP LLP $726,604,711 0.45% 1,478,251
Mega WELLS FARGO & COMPANY/MN $709,529,450 0.44% 1,443,512
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $699,796,176 0.43% 1,423,710
Large LOOMIS SAYLES & CO L P $670,327,969 0.41% 1,363,758
Mega DEUTSCHE BANK AG\ Bank $619,497,370 0.38% 1,260,345
Large LAZARD ASSET MANAGEMENT LLC $600,677,675 0.37% 1,222,057
Large Temasek Holdings (Private) Ltd $587,771,082 0.36% 1,195,799
Large Focus Partners Wealth $560,812,136 0.35% 1,140,952
Mega Swiss National Bank Bank $541,980,639 0.33% 1,102,640
Mega Sumitomo Mitsui Trust Group, Inc. $530,134,274 0.33% 1,078,539
Large Rathbones Group PLC $468,874,399 0.29% 953,908
Large APG Asset Management N.V. $458,173,791 0.28% 932,138
Mega NEUBERGER BERMAN GROUP LLC $435,284,221 0.27% 885,570
Large FARALLON CAPITAL MANAGEMENT LLC $433,276,322 0.27% 881,485
Mega CITADEL ADVISORS LLC $424,922,277 0.26% 864,489
Mid Veritas Asset Management LLP $415,831,922 0.26% 845,995
Large Corient Private Wealth LLC $408,986,875 0.25% 832,069
Mega National Pension Service Pension $407,798,847 0.25% 829,652
Mega Vanguard Global Advisers, LLC $404,060,761 0.25% 822,047
Mid London & Capital Asset Management Ltd $390,015,292 0.24% 793,472
Mega RAYMOND JAMES FINANCIAL INC $381,092,054 0.24% 775,318
Large GENERATION INVESTMENT MANAGEMENT LLP $380,247,608 0.23% 773,600
Large DekaBank Deutsche Girozentrale Bank $379,777,212 0.23% 772,643
Large Cantillon Capital Management LLC $378,329,657 0.23% 769,698
Large FIRST MANHATTAN CO. LLC. $377,082,154 0.23% 767,160
Large D1 Capital Partners L.P. $356,361,707 0.22% 725,005
Mega HSBC HOLDINGS PLC $353,386,958 0.22% 718,953
Large KING LUTHER CAPITAL MANAGEMENT CORP $348,737,585 0.22% 709,494
Large BAILLIE GIFFORD & CO $343,304,703 0.21% 698,441
Mega California Public Employees Retirement System Pension $342,394,391 0.21% 696,589
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $329,374,253 0.20% 670,100
Mega BNP PARIBAS ARBITRAGE, SA $326,930,365 0.20% 665,128
Mid Longview Partners (Guernsey) LTD $325,799,846 0.20% 662,828
Mega JANUS HENDERSON GROUP PLC $324,536,613 0.20% 660,258
Mega VANGUARD ASSET MANAGEMENT, Ltd $320,831,953 0.20% 652,721
Large STIFEL FINANCIAL CORP $319,075,223 0.20% 649,147
Large CIBC Bancorp USA Inc. Bank $317,042,256 0.20% 645,011
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. $314,767,946 0.19% 640,384
Large Ninety One UK Ltd $313,233,390 0.19% 637,262
Large Handelsbanken Fonder AB $312,037,006 0.19% 634,828
Large Robeco Institutional Asset Management B.V. $311,944,107 0.19% 634,639
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $311,811,394 0.19% 634,369
Mega VICTORY CAPITAL MANAGEMENT INC $308,535,347 0.19% 627,704
Mega PRINCIPAL FINANCIAL GROUP INC $307,069,112 0.19% 624,721
Mid Lindsell Train Ltd $303,377,722 0.19% 617,211
Mid Mirova US LLC $302,335,187 0.19% 615,090
Mega ENVESTNET ASSET MANAGEMENT INC $301,498,112 0.19% 613,387
Mega RHUMBLINE ADVISERS $300,791,783 0.19% 611,950
Large Vontobel Holding Ltd. $295,517,663 0.18% 601,220
Mid C WorldWide Group Holding A/S $290,760,639 0.18% 591,542
Large B. Metzler seel. Sohn & Co. AG $285,721,472 0.18% 581,290
Mega BANK OF MONTREAL /CAN/ Bank $284,616,019 0.18% 579,041
Mega CITIGROUP INC $281,242,158 0.17% 572,177
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $281,062,260 0.17% 571,811
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $276,446,302 0.17% 562,420
Key facts CIK 97745 CUSIP 883556102 13F (30d) 234 filings 155 filers Visit website Investor relations

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