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Thermo Fisher Scientific

2,584 hedge funds and large institutions have $164B invested in Thermo Fisher Scientific in 2026 Q1 according to their latest regulatory filings, with 167 funds opening new positions, 970 increasing their positions, 1,094 reducing their positions, and 231 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 (-$66.9B)

33% less funds holding in top 10

Funds holding in top 10: 11376 (-37)

Holders
2,584
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
76
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
BGCP
251
Bristol Gate Capital Partners
Ontario, Canada
$63.4M
IG
252
ING Group
Netherlands
$63M
WHG
253
Westwood Holdings Group
Texas
$62.3M
Alyeska Investment Group
254
Alyeska Investment Group
Illinois
$61.4M
AQR Capital Management
255
AQR Capital Management
Connecticut
$61.4M
Allspring Global Investments
256
Allspring Global Investments
North Carolina
$61.2M
RMDI
257
R.M. Davis Inc
Maine
$60.5M
Northwestern Mutual Wealth Management
258
Northwestern Mutual Wealth Management
Wisconsin
$60.3M
WIM
259
Weitz Investment Management
Nebraska
$59.5M
Nisa Investment Advisors
260
Nisa Investment Advisors
Missouri
$59.5M
AAIS
261
ABN AMRO Investment Solutions
$58.9M
SGM
262
Skye Global Management
Florida
$58.2M
HPG
263
Harvest Portfolios Group
Ontario, Canada
$58.2M
Impax Asset Management Group
264
Impax Asset Management Group
United Kingdom
$57.9M
Janney Montgomery Scott
265
Janney Montgomery Scott
Pennsylvania
$57.4M
Toronto Dominion Bank
266
Toronto Dominion Bank
Ontario, Canada
$57.3M
CCM
267
Chilton Capital Management
Texas
$56.7M
GIA
268
Guyasuta Investment Advisors
Pennsylvania
$56.4M
RAM
269
Resona Asset Management
Japan
$56M
DnB Asset Management
270
DnB Asset Management
Norway
$56M
Truist Financial
271
Truist Financial
North Carolina
$55.3M
GLF
272
Groupe la Francaise
France
$55.3M
Skandinaviska Enskilda Banken (SEB)
273
Skandinaviska Enskilda Banken (SEB)
Sweden
$55.1M
CIPU
274
Caledonia Investments plc (UK)
United Kingdom
$55M
ACM
275
Arvin Capital Management
Texas
$54.9M