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Thermo Fisher Scientific
TMO

Overview Fund Activity

2,536 hedge funds and large institutions have $165B invested in Thermo Fisher Scientific in 2025 Q1 according to their latest regulatory filings, with 155 funds opening new positions, 1,020 increasing their positions, 992 reducing their positions, and 157 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
2,536
Holders Change
-45
Holders Change %
-1.74%
% of All Funds
34.44%
Holding in Top 10
83
Holding in Top 10 Change
+11
Holding in Top 10 Change %
+15.28%
% of All Funds
1.13%
New
155
Increased
1,020
Reduced
992
Closed
157
Calls
$961M
Puts
$1.08B
Net Calls
-$119M
Net Calls Change
+$261M

Top Buyers

1
Capital World Investors
Capital World Investors
California
+$812M
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$607M
3
DZ Bank
DZ Bank
Germany
+$293M
4
Franklin Resources
Franklin Resources
California
+$240M
5
SP
Sarasin & Partners
United Kingdom
+$187M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$843M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$802M
3
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$568M
4
ATO
Alecta Tjanstepension Omsesidigt
Sweden
-$214M
5
Impax Asset Management Group
Impax Asset Management Group
United Kingdom
-$212M
Name Holding Trade Value Shares
Change 		Shares
Change %
Citadel Advisors
251
Citadel Advisors
Florida
$60M -$109M -219,367 -65%
TC
252
TwinBeech Capital
New York
$59.7M +$38M +76,283 +175%
AAIS
253
ABN AMRO Investment Solutions
$59.4M -$310K -622 -0.5%
RAM
254
Resona Asset Management
Japan
$59.2M +$4.58M +9,187 +8%
MGP
255
M&G plc
United Kingdom
$58.9M -$3.67M -7,366 -6%
ASRS
256
Arizona State Retirement System
Arizona
$58.1M +$2.98M +5,991 +5%
Northwestern Mutual Wealth Management
257
Northwestern Mutual Wealth Management
Wisconsin
$57.9M +$1.3M +2,609 +2%
Commonwealth Equity Services
258
Commonwealth Equity Services
Massachusetts
$56.7M +$2.09M +4,199 +4%
CAG
259
Crestwood Advisors Group
Massachusetts
$56.1M -$3.45M -6,929 -6%
TIAA Trust, National Association
260
TIAA Trust, National Association
North Carolina
$55.8M +$8.82M +17,724 +19%
CCM
261
Compass Capital Management
Minnesota
$55.6M +$1.45M +2,909 +3%
CBUSF
262
Construction & Building Unions Superannuation Fund
Australia
$55.3M +$3.89M +7,814 +8%
ACP
263
Atalan Capital Partners
New York
$54.7M – – –
LCAM
264
London & Capital Asset Management
United Kingdom
$54.6M +$20.5M +41,131 +60%
IG
265
ING Group
Netherlands
$54.2M -$24.9M -50,012 -31%
M&T Bank
266
M&T Bank
New York
$52.1M -$3.13M -6,291 -6%
Jones Financial Companies
267
Jones Financial Companies
Missouri
$51.9M +$8.52M +17,068 +20%
AV
268
ASR Vermogensbeheer
Netherlands
$51.9M +$51.9M +104,251 New
GIA
269
Guyasuta Investment Advisors
Pennsylvania
$51.8M -$789K -1,585 -2%
SOMRS
270
State of Michigan Retirement System
Michigan
$51.7M – – –
American Century Companies
271
American Century Companies
Missouri
$51.6M -$3M -6,028 -5%
CF
272
Covea Finance
France
$51.3M +$1.95M +3,913 +4%
Comerica Bank
273
Comerica Bank
Texas
$51.3M -$3.89M -7,825 -7%
Creative Planning
274
Creative Planning
Kansas
$51.1M -$867K -1,743 -2%
AF
275
Aviso Financial
Ontario, Canada
$51M +$3.72M +7,483 +8%
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