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Thermo Fisher Scientific

2,430 hedge funds and large institutions have $135B invested in Thermo Fisher Scientific in 2025 Q2 according to their latest regulatory filings, with 182 funds opening new positions, 895 increasing their positions, 1,040 reducing their positions, and 263 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more ownership

Funds ownership:

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

18% less capital invested

Capital invested by funds: $165B → $135B (-$30B)

31% less first-time investments, than exits

New positions opened: 182 | Existing positions closed: 263

49% less funds holding in top 10

Funds holding in top 10: 8242 (-40)

Holders
2,430
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
42
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.67B
Puts
$1.43B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MAMU
251
Marathon Asset Management (UK)
United Kingdom
$49.8M
CP
252
Coho Partners
Pennsylvania
$49.7M
Teacher Retirement System of Texas
253
Teacher Retirement System of Texas
Texas
$49.7M
Calamos Advisors
254
Calamos Advisors
Illinois
$48.7M
AV
255
ASR Vermogensbeheer
Netherlands
$47.4M
SC
256
Scotia Capital
Ontario, Canada
$47.3M
LF
257
Lansforsakringar Fondforvaltning
Sweden
$47.3M
RPI
258
Railway Pension Investments
United Kingdom
$47.1M
ACM
259
Advisors Capital Management
New Jersey
$46.7M
BT
260
Banque Transatlantique
France
$46.4M
Northwestern Mutual Wealth Management
261
Northwestern Mutual Wealth Management
Wisconsin
$46.2M
GIM
262
Glenmede Investment Management
Pennsylvania
$46.1M
BG
263
Bellevue Group
Switzerland
$46M
AF
264
Aviso Financial
Ontario, Canada
$45.4M
Creative Planning
265
Creative Planning
Kansas
$45.3M
CIPU
266
Caledonia Investments plc (UK)
United Kingdom
$45.3M
VOYA Investment Management
267
VOYA Investment Management
Georgia
$45.2M
Allspring Global Investments
268
Allspring Global Investments
North Carolina
$45.1M
JF
269
Jump Financial
Illinois
$45M
ASRS
270
Arizona State Retirement System
Arizona
$44.7M
ACP
271
Atalan Capital Partners
New York
$44.6M
GIA
272
Guyasuta Investment Advisors
Pennsylvania
$44.6M
WJWM
273
Williams Jones Wealth Management
New York
$44.4M
AQR Capital Management
274
AQR Capital Management
Connecticut
$44.1M
RBI
275
Raiffeisen Bank International
Austria
$44M