TMO
Thermo Fisher Scientific Inc.Company with tickers: TMO
CIK
97745
CUSIP
883556102
Shares Outstanding
371,621,465
13F Activity (30d)
1882 filings
1820 filers
Price
$448.18
Market Cap
$166.55B
P/E Ratio
29.01
EPS (Diluted)
$15.45
52W High
$643.99
52W Low
$385.46
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
Holders: 2,564
Total Value: $139,832,192,684
Total Shares: 284,483,540
Showing 1–100
of 2,628 holdings by value
· page 1 of 27
Institutional Ownership Trend
Holder Concentration
Across 2,564 13F filers · Δ vs Dec 31, 2025Top Holder
10.7%
+1.8 pts
Top 5
25.7%
−6.9 pts
Top 10
36.2%
−7.8 pts
HHI
229
Broadly held
−63
Quarterly Activity
vs Dec 31, 2025
New
158
Increased
964
Decreased
1,089
Sold Out
361
Unchanged
353
Holder count:
-203
Institutional value:
-37.0%
Shares held:
-25.7%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds |
|---|---|---|
| Mega Capital International Investors | +2,968,583 | 3,888,726 |
| Mega Capital Research Global Investors | +1,499,720 | 4,414,621 |
| Mega FMR LLC | +983,089 | 10,776,436 |
| Large VIKING GLOBAL INVESTORS LP | +874,838 | 1,668,025 |
| Large 1832 Asset Management L.P. | +725,093 | 1,969,618 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds |
|---|---|---|
| Small J. Stern & Co. LLP | −31,454,483 | 54,849 |
| Mega MORGAN STANLEY | −11,553,158 | 341,119 |
| Mega Capital World Investors | −4,357,498 | 6,646,316 |
| Mid NORTHERN TRUST CORP | −3,446,038 | 3,285 |
| Mega WELLINGTON MANAGEMENT GROUP LLP | −1,989,989 | 1,478,251 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) |
|---|---|---|
| Large D1 Capital Partners L.P. | 725,005 | $356,361,707 |
| Large JUPITER ASSET MANAGEMENT LTD | 234,020 | $115,027,850 |
| Large CAPITOLIS LIQUID GLOBAL MARKETS LLC | 196,173 | $96,424,914 |
| Large SEB Asset Management AB | 190,270 | $93,523,413 |
| Large RENAISSANCE TECHNOLOGIES LLC | 138,964 | $68,304,974 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) |
|---|---|---|
| Mega VANGUARD GROUP INC | 34,133,702 | $19,778,773,621 |
| Mega NORGES BANK | 5,302,863 | $3,072,743,965 |
| Mega VANGUARD GROUP INC | 817,711 | $473,822,638 |
| Large CIBC Private Wealth Group LLC | 806,898 | $467,557,046 |
| Large CIBC Private Wealth Group, LLC | 806,898 | $467,557,046 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Action | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. | $14,955,877,673 | 10.70% | 30,427,192 | Shares | Sole | 2026-05-13 | View | |||
| Mega STATE STREET CORP | $8,224,116,772 | 5.88% | 16,731,668 | Shares | Defined | 2026-05-15 | View | |||
| Mega FMR LLC | $5,296,941,583 | 3.79% | 10,776,436 | Shares | Defined | 2026-05-15 | View | |||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $4,132,730,662 | 2.96% | 8,407,891 | Shares | Defined | 2026-05-15 | View | |||
| Mega FRANKLIN RESOURCES INC | $3,348,809,122 | 2.39% | 6,813,031 | Shares | Defined | 2026-05-13 | View | |||
| Mega JPMORGAN CHASE & CO | $3,340,183,256 | 2.39% | 6,795,482 | Shares | Other | 2026-05-13 | View | |||
| Mega Capital World Investors | $3,266,863,703 | 2.34% | 6,646,316 | Shares | Defined | 2026-05-13 | View | |||
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $3,104,243,460 | 2.22% | 6,315,471 | Shares | Defined | 2026-05-15 | View | |||
| Mega BANK OF AMERICA CORP /DE/ Bank | $2,719,833,571 | 1.95% | 5,533,403 | Shares | Defined | 2026-05-18 | View | |||
| Mega Capital Research Global Investors | $2,169,918,660 | 1.55% | 4,414,621 | Shares | Defined | 2026-05-13 | View | |||
| Mega ROYAL BANK OF CANADA Bank | $1,923,800,734 | 1.38% | 3,913,903 | Shares | Defined | 2026-05-15 | View | |||
| Mega Capital International Investors | $1,911,425,490 | 1.37% | 3,888,726 | Shares | Defined | 2026-05-13 | View | |||
| Mega Bank of New York Mellon Corp Bank | $1,851,403,765 | 1.32% | 3,766,614 | Shares | Defined | 2026-05-05 | View | |||
| Mega GOLDMAN SACHS GROUP INC | $1,551,871,293 | 1.11% | 3,157,226 | Shares | Defined | 2026-05-15 | View | |||
| Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $1,481,033,464 | 1.06% | 3,013,109 | Shares | Defined | 2026-05-14 | View | |||
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $1,442,562,888 | 1.03% | 2,934,842 | Shares | Sole | 2026-05-15 | View | |||
| Mega DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main Bank | $1,432,769,640 | 1.02% | 2,914,918 | Shares | Defined | 2026-05-15 | View | |||
| Mega Fisher Asset Management, LLC | $1,401,636,625 | 1.00% | 2,851,579 | Shares | Defined | 2026-05-05 | View | |||
| Large Grantham, Mayo, Van Otterloo & Co. LLC | $1,229,909,315 | 0.88% | 2,502,206 | Shares | Sole | 2026-05-14 | View | |||
| Mega UBS Group AG | $1,205,945,748 | 0.86% | 2,453,453 | Shares | Defined | 2026-05-05 | View | |||
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $1,204,099,562 | 0.86% | 2,449,697 | Shares | Defined | 2026-05-13 | View | |||
| Mega Legal & General Group Plc | $1,165,187,101 | 0.83% | 2,370,531 | Shares | Defined | 2026-05-08 | View | |||
| Mega Invesco Ltd. | $1,098,923,441 | 0.79% | 2,235,720 | Shares | Defined | 2026-05-12 | View | |||
| Mega ALLIANCEBERNSTEIN L.P. | $1,076,749,550 | 0.77% | 2,190,608 | Shares | Defined | 2026-05-15 | View | |||
| Large Pictet Asset Management Holding SA | $1,013,211,924 | 0.72% | 2,061,343 | Shares | Sole | 2026-04-22 | View | |||
| Large Unisphere Establishment | $1,012,551,800 | 0.72% | 2,060,000 | Shares | Defined | 2026-05-14 | View | |||
| Mega Amundi | $991,052,273 | 0.71% | 2,016,260 | Shares | Defined | 2026-05-18 | View | |||
| Mega PRIMECAP MANAGEMENT CO/CA/ | $974,473,462 | 0.70% | 1,982,531 | Shares | Sole | 2026-05-11 | View | |||
| Large 1832 Asset Management L.P. | $968,126,335 | 0.69% | 1,969,618 | Shares | Sole | 2026-05-14 | View | |||
| Large FLOSSBACH VON STORCH SE | $960,484,027 | 0.69% | 1,954,070 | Shares | Sole | 2026-04-29 | View | |||
| Large EdgePoint Investment Group Inc. | $943,244,595 | 0.67% | 1,918,997 | Shares | Sole | 2026-05-15 | View | |||
| Mega Mitsubishi UFJ Asset Management Co., Ltd. | $910,916,175 | 0.65% | 1,853,226 | Shares | Defined | 2026-05-12 | View | |||
| Mega BARCLAYS PLC | $906,422,113 | 0.65% | 1,844,083 | Shares | Defined | 2026-05-15 | View | |||
| Mega SCHRODER INVESTMENT MANAGEMENT GROUP | $849,580,108 | 0.61% | 1,728,440 | Shares | Sole | 2026-05-14 | View | |||
| Mega DIMENSIONAL FUND ADVISORS LP | $830,582,476 | 0.59% | 1,689,790 | Shares | Sole | 2026-05-07 | View | |||
| Mega AMERIPRISE FINANCIAL INC | $821,051,708 | 0.59% | 1,670,400 | Shares | Defined | 2026-05-15 | View | |||
| Large VIKING GLOBAL INVESTORS LP | $819,884,328 | 0.59% | 1,668,025 | Shares | Sole | 2026-05-15 | View | |||
| Mega Nuveen, LLC | $809,544,502 | 0.58% | 1,646,989 | Shares | Defined | 2026-04-30 | View | |||
| Mega Clearbridge Investments, LLC | $791,705,896 | 0.57% | 1,610,697 | Shares | Sole | 2026-05-13 | View | |||
| Large PARNASSUS INVESTMENTS, LLC | $739,581,106 | 0.53% | 1,504,651 | Shares | Sole | 2026-05-12 | View | |||
| Large Swedbank AB Bank | $727,608,908 | 0.52% | 1,480,294 | Shares | Defined | 2026-04-29 | View | |||
| Mega WELLINGTON MANAGEMENT GROUP LLP | $726,604,711 | 0.52% | 1,478,251 | Shares | Defined | 2026-05-15 | View | |||
| Mega WELLS FARGO & COMPANY/MN | $709,529,450 | 0.51% | 1,443,512 | Shares | Defined | 2026-05-11 | View | |||
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance | $699,796,176 | 0.50% | 1,423,710 | Shares | Defined | 2026-05-15 | View | |||
| Large LOOMIS SAYLES & CO L P | $670,327,969 | 0.48% | 1,363,758 | Shares | Defined | 2026-05-14 | View | |||
| Mega DEUTSCHE BANK AG\ Bank | $619,497,370 | 0.44% | 1,260,345 | Shares | Sole | 2026-05-06 | View | |||
| Large LAZARD ASSET MANAGEMENT LLC | $600,677,675 | 0.43% | 1,222,057 | Shares | Sole | 2026-05-15 | View | |||
| Large Temasek Holdings (Private) Ltd | $587,771,082 | 0.42% | 1,195,799 | Shares | Defined | 2026-05-12 | View | |||
| Large Focus Partners Wealth | $560,812,136 | 0.40% | 1,140,952 | Shares | Sole | 2026-05-15 | View | |||
| Mega Swiss National Bank Bank | $541,980,639 | 0.39% | 1,102,640 | Shares | Sole | 2026-05-07 | View | |||
| Mega Sumitomo Mitsui Trust Group, Inc. | $530,134,274 | 0.38% | 1,078,539 | Shares | Defined | 2026-04-30 | View | |||
| Large Rathbones Group PLC | $468,874,399 | 0.34% | 953,908 | Shares | Sole | 2026-05-12 | View | |||
| Large APG Asset Management N.V. | $458,173,791 | 0.33% | 932,138 | Shares | Defined | 2026-05-13 | View | |||
| Mega NEUBERGER BERMAN GROUP LLC | $435,284,221 | 0.31% | 885,570 | Shares | Defined | 2026-05-14 | View | |||
| Large FARALLON CAPITAL MANAGEMENT LLC | $433,276,322 | 0.31% | 881,485 | Shares | Other | 2026-05-15 | View | |||
| Mega CITADEL ADVISORS LLC | $424,922,277 | 0.30% | 864,489 | Shares | Defined | 2026-05-15 | View | |||
| Mid Veritas Asset Management LLP | $415,831,922 | 0.30% | 845,995 | Shares | Sole | 2026-05-14 | View | |||
| Large Corient Private Wealth LLC | $408,986,875 | 0.29% | 832,069 | Shares | Other | 2026-05-15 | View | |||
| Mega National Pension Service Pension | $407,798,847 | 0.29% | 829,652 | Shares | Sole | 2026-05-12 | View | |||
| Mid London & Capital Asset Management Ltd | $390,015,292 | 0.28% | 793,472 | Shares | Sole | 2026-05-15 | View | |||
| Mega RAYMOND JAMES FINANCIAL INC | $381,092,054 | 0.27% | 775,318 | Shares | Defined | 2026-05-14 | View | |||
| Large GENERATION INVESTMENT MANAGEMENT LLP | $380,247,608 | 0.27% | 773,600 | Shares | Sole | 2026-05-14 | View | |||
| Large DekaBank Deutsche Girozentrale Bank | $379,777,212 | 0.27% | 772,643 | Shares | Defined | 2026-05-07 | View | |||
| Large Cantillon Capital Management LLC | $378,329,657 | 0.27% | 769,698 | Shares | Defined | 2026-05-07 | View | |||
| Large FIRST MANHATTAN CO. LLC. | $377,082,154 | 0.27% | 767,160 | Shares | Sole | 2026-05-15 | View | |||
| Large D1 Capital Partners L.P. | $356,361,707 | 0.25% | 725,005 | Shares | Sole | 2026-05-15 | View | |||
| Mega HSBC HOLDINGS PLC | $353,386,958 | 0.25% | 718,953 | Shares | Defined | 2026-04-30 | View | |||
| Large KING LUTHER CAPITAL MANAGEMENT CORP | $348,737,585 | 0.25% | 709,494 | Shares | Sole | 2026-05-11 | View | |||
| Large BAILLIE GIFFORD & CO | $343,304,703 | 0.25% | 698,441 | Shares | Defined | 2026-05-08 | View | |||
| Mega California Public Employees Retirement System Pension | $342,394,391 | 0.24% | 696,589 | Shares | Sole | 2026-05-06 | View | |||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $329,374,253 | 0.24% | 670,100 | Put | Other | 2026-05-15 | View | |||
| Mega BNP PARIBAS ARBITRAGE, SA | $326,930,365 | 0.23% | 665,128 | Shares | Defined | 2026-05-12 | View | |||
| Mid Longview Partners (Guernsey) LTD | $325,799,846 | 0.23% | 662,828 | Shares | Defined | 2026-05-15 | View | |||
| Mega JANUS HENDERSON GROUP PLC | $324,536,613 | 0.23% | 660,258 | Shares | Defined | 2026-05-18 | View | |||
| Large Ninety One UK Ltd | $313,233,390 | 0.22% | 637,262 | Shares | Sole | 2026-04-24 | View | |||
| Large Handelsbanken Fonder AB | $312,037,006 | 0.22% | 634,828 | Shares | Sole | 2026-04-28 | View | |||
| Large Robeco Institutional Asset Management B.V. | $311,944,107 | 0.22% | 634,639 | Shares | Defined | 2026-04-21 | View | |||
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $311,811,394 | 0.22% | 634,369 | Shares | Defined | 2026-05-14 | View | |||
| Mega VICTORY CAPITAL MANAGEMENT INC | $308,535,347 | 0.22% | 627,704 | Shares | Sole | 2026-05-15 | View | |||
| Mega PRINCIPAL FINANCIAL GROUP INC | $307,069,112 | 0.22% | 624,721 | Shares | Defined | 2026-05-04 | View | |||
| Mid Lindsell Train Ltd | $303,377,722 | 0.22% | 617,211 | Shares | Sole | 2026-04-24 | View | |||
| Mid Mirova US LLC | $302,335,187 | 0.22% | 615,090 | Shares | Defined | 2026-05-11 | View | |||
| Mega ENVESTNET ASSET MANAGEMENT INC | $301,498,112 | 0.22% | 613,387 | Shares | Sole | 2026-05-04 | View | |||
| Mega RHUMBLINE ADVISERS | $300,791,783 | 0.22% | 611,950 | Shares | Sole | 2026-05-12 | View | |||
| Large Vontobel Holding Ltd. | $295,517,663 | 0.21% | 601,220 | Shares | Defined | 2026-05-08 | View | |||
| Mid C WorldWide Group Holding A/S | $290,760,639 | 0.21% | 591,542 | Shares | Defined | 2026-05-06 | View | |||
| Large B. Metzler seel. Sohn & Co. AG | $285,721,472 | 0.20% | 581,290 | Shares | Defined | 2026-05-08 | View | |||
| Mega BANK OF MONTREAL /CAN/ Bank | $284,616,019 | 0.20% | 579,041 | Shares | Defined | 2026-05-13 | View | |||
| Mega CITIGROUP INC | $281,242,158 | 0.20% | 572,177 | Shares | Defined | 2026-05-11 | View | |||
| Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension | $281,062,260 | 0.20% | 571,811 | Shares | Sole | 2026-05-18 | View | |||
| Mega CANADA PENSION PLAN INVESTMENT BOARD Pension | $276,446,302 | 0.20% | 562,420 | Shares | Sole | 2026-05-15 | View | |||
| Large Balyasny Asset Management L.P. | $273,031,643 | 0.20% | 555,473 | Shares | Sole | 2026-05-15 | View | |||
| Large NATIXIS ADVISORS, LLC | $270,443,246 | 0.19% | 550,207 | Shares | Other | 2026-05-13 | View | |||
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | $268,292,802 | 0.19% | 545,832 | Shares | Sole | 2026-05-15 | View | |||
| Mega FIL Ltd | $261,428,585 | 0.19% | 531,867 | Shares | Defined | 2026-05-15 | View | |||
| Mega JANE STREET GROUP, LLC | $261,149,889 | 0.19% | 531,300 | Put | Defined | 2026-05-12 | View | |||
| Mid LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA | $261,111,057 | 0.19% | 531,221 | Shares | Sole | 2026-04-13 | View | |||
| Large Ensign Peak Advisors, Inc | $253,909,652 | 0.18% | 516,570 | Shares | Sole | 2026-05-13 | View | |||
| Large ROYAL LONDON ASSET MANAGEMENT LTD | $249,961,683 | 0.18% | 508,538 | Shares | Sole | 2026-05-01 | View | |||
| Mega TD Asset Management Inc | $235,863,127 | 0.17% | 479,855 | Shares | Sole | 2026-05-11 | View | |||
| No holders match your search. | ||||||||||