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Thermo Fisher Scientific

2,558 hedge funds and large institutions have $164B invested in Thermo Fisher Scientific in 2026 Q1 according to their latest regulatory filings, with 166 funds opening new positions, 961 increasing their positions, 1,079 reducing their positions, and 228 closing their positions.

New
Increased
Maintained
Reduced
Closed

less funds holding

Funds holding:

less ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less first-time investments, than exits

New positions opened: | Existing positions closed:

28% less call options, than puts

Call options by funds: $903M | Put options by funds: $1.26B

29% less capital invested

Capital invested by funds: $231B → $164B (-$67.1B)

33% less funds holding in top 10

Funds holding in top 10: 11275 (-37)

Holders
2,558
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
75
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$903M
Puts
$1.26B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
IG
251
ING Group
Netherlands
$63M
WHG
252
Westwood Holdings Group
Texas
$62.3M
Alyeska Investment Group
253
Alyeska Investment Group
Illinois
$61.4M
AQR Capital Management
254
AQR Capital Management
Connecticut
$61.4M
Allspring Global Investments
255
Allspring Global Investments
North Carolina
$61.2M
RMDI
256
R.M. Davis Inc
Maine
$60.5M
Northwestern Mutual Wealth Management
257
Northwestern Mutual Wealth Management
Wisconsin
$60.3M
WIM
258
Weitz Investment Management
Nebraska
$59.5M
Nisa Investment Advisors
259
Nisa Investment Advisors
Missouri
$59.5M
AAIS
260
ABN AMRO Investment Solutions
$58.9M
SGM
261
Skye Global Management
Florida
$58.2M
HPG
262
Harvest Portfolios Group
Ontario, Canada
$58.2M
Impax Asset Management Group
263
Impax Asset Management Group
United Kingdom
$57.9M
Janney Montgomery Scott
264
Janney Montgomery Scott
Pennsylvania
$57.4M
Toronto Dominion Bank
265
Toronto Dominion Bank
Ontario, Canada
$57.3M
CCM
266
Chilton Capital Management
Texas
$56.7M
GIA
267
Guyasuta Investment Advisors
Pennsylvania
$56.4M
RAM
268
Resona Asset Management
Japan
$56M
DnB Asset Management
269
DnB Asset Management
Norway
$56M
Truist Financial
270
Truist Financial
North Carolina
$55.3M
GLF
271
Groupe la Francaise
France
$55.3M
Skandinaviska Enskilda Banken (SEB)
272
Skandinaviska Enskilda Banken (SEB)
Sweden
$55.1M
CIPU
273
Caledonia Investments plc (UK)
United Kingdom
$55M
ACM
274
Arvin Capital Management
Texas
$54.9M
DPL
275
Danica Pension Livsforsikrings
$53.7M