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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 %
California Public Employees Retirement System
76
California Public Employees Retirement System
California
$391M -$8.75M -17,582 -2%
Mackenzie Financial
77
Mackenzie Financial
Ontario, Canada
$391M -$59M -118,550 -13%
Ensign Peak Advisors
78
Ensign Peak Advisors
Utah
$385M -$143M -287,534 -27%
Luther King Capital Management (LKCM)
79
Luther King Capital Management (LKCM)
Texas
$382M -$5.66M -11,373 -1%
DekaBank Deutsche Girozentrale
80
DekaBank Deutsche Girozentrale
Germany
$380M -$2.69M -5,425 -0.7%
Royal London Asset Management
81
Royal London Asset Management
United Kingdom
$367M -$10.7M -21,494 -3%
Raymond James Financial
82
Raymond James Financial
Florida
$361M -$563K -1,132 -0.2%
Qube Research & Technologies (QRT)
83
Qube Research & Technologies (QRT)
United Kingdom
$357M +$54.4M +109,270 +18%
Robeco Institutional Asset Management
84
Robeco Institutional Asset Management
Netherlands
$344M +$43M +86,494 +14%
Stifel Financial
85
Stifel Financial
Missouri
$331M +$4.19M +8,412 +1%
MIM
86
Meridiem Investment Management
United Kingdom
$329M +$14.6M +29,362 +5%
RhumbLine Advisers
87
RhumbLine Advisers
Massachusetts
$328M -$3.11M -6,255 -0.9%
Arrowstreet Capital
88
Arrowstreet Capital
Massachusetts
$326M +$143M +286,651 +78%
SP
89
Stockbridge Partners
Massachusetts
$322M +$40.2M +80,726 +14%
SGA
90
Sustainable Growth Advisers
Connecticut
$315M -$39.9M -80,166 -11%
Kovitz Investment Group Partners
91
Kovitz Investment Group Partners
Illinois
$314M +$77M +154,727 +32%
Credit Agricole
92
Credit Agricole
France
$314M +$50.9M +102,314 +19%
Bessemer Group
93
Bessemer Group
New Jersey
$311M -$4.19M -8,425 -1%
California State Teachers Retirement System (CalSTRS)
94
California State Teachers Retirement System (CalSTRS)
California
$298M -$1.92M -3,853 -0.6%
WIM
95
Waverton Investment Management
United Kingdom
$296M +$26M +52,324 +10%
BMSSC
96
B. Metzler seel. Sohn & Co
Germany
$294M +$92.5M +185,870 +46%
VOYA Investment Management
97
VOYA Investment Management
Georgia
$291M -$88.1M -177,245 -23%
Bank of Montreal
98
Bank of Montreal
Ontario, Canada
$291M -$50.1M -100,650 -15%
Ninety One (UK)
99
Ninety One (UK)
United Kingdom
$283M +$30.7M +61,655 +12%
BI
100
BlueSpruce Investments
Illinois
$280M -$125M -250,775 -31%
2 3
4
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