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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 %
Victory Capital Management
201
Victory Capital Management
Texas
$85.1M +$453K +911 +0.5%
BCIM
202
British Columbia Investment Management
British Columbia, Canada
$84.8M -$16.4M -32,972 -16%
CAM
203
Congress Asset Management
Massachusetts
$83.5M +$15.9M +31,894 +23%
UM
204
UniSuper Management
Australia
$80.8M +$667K +1,341 +0.8%
BGCP
205
Bristol Gate Capital Partners
Ontario, Canada
$80.8M +$1M +2,011 +1%
IGAM
206
iA Global Asset Management
Quebec, Canada
$80.4M +$14M +28,081 +21%
PI
207
PineBridge Investments
New York
$80.2M +$17.6M +35,405 +28%
Ohio Public Employees Retirement System (OPERS)
208
Ohio Public Employees Retirement System (OPERS)
Ohio
$78.7M -$2.74M -5,506 -3%
WPC
209
Waters Parkerson & Co
Louisiana
$78.6M -$149K -300 -0.2%
Renaissance Technologies
210
Renaissance Technologies
New York
$77.2M -$13M -26,100 -14%
WJWM
211
Williams Jones Wealth Management
New York
$77.1M -$16.7M -33,480 -18%
Assenagon Asset Management
212
Assenagon Asset Management
Luxembourg
$76.5M +$66.5M +133,719 +668%
NSCM
213
New South Capital Management
Tennessee
$75.8M -$1.84M -3,691 -2%
DMIC
214
Dixon Mitchell Investment Counsel
British Columbia, Canada
$75.4M +$20.3M +40,799 +37%
M
215
Mirova
France
$75.4M -$5.18M -10,410 -6%
State of Tennessee, Department of Treasury
216
State of Tennessee, Department of Treasury
Tennessee
$75.2M +$868K +1,744 +1%
Squarepoint
217
Squarepoint
New York
$74.9M +$48.5M +97,387 +183%
Fiera Capital (Canada)
218
Fiera Capital (Canada)
Quebec, Canada
$73.7M -$3.72M -7,466 -5%
GAM
219
Groupama Asset Management
France
$72.9M +$9.46M +18,919 +15%
Macquarie Group
220
Macquarie Group
Australia
$71.9M +$5.42M +10,890 +8%
Calamos Advisors
221
Calamos Advisors
Illinois
$71M -$1.55M -3,110 -2%
MSV
222
MN Services Vermogensbeheer
Netherlands
$70.8M -$5.13M -10,300 -7%
William Blair & Company
223
William Blair & Company
Illinois
$70.1M -$2.02M -4,056 -3%
BIM
224
Bridges Investment Management
Nebraska
$69.8M +$3.89M +7,820 +6%
TAF
225
Tredje AP-fonden
Sweden
$69.5M -$2.92M -5,865 -4%
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