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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
MMH
151
Menora Mivtachim Holdings
Israel
$150M
SEI Investments
152
SEI Investments
Pennsylvania
$150M
D.E. Shaw & Co
153
D.E. Shaw & Co
New York
$149M
Russell Investments Group
154
Russell Investments Group
United Kingdom
$149M
Select Equity Group
155
Select Equity Group
New York
$147M
New York State Teachers Retirement System (NYSTRS)
156
New York State Teachers Retirement System (NYSTRS)
New York
$147M
CLOS
157
Compagnie Lombard Odier SCmA
Switzerland
$147M
QP
158
Quilter Plc
United Kingdom
$142M
KeyBank National Association
159
KeyBank National Association
Ohio
$137M
Bank of Nova Scotia
160
Bank of Nova Scotia
Ontario, Canada
$133M
EWM
161
Evercore Wealth Management
New York
$131M
National Bank of Canada
162
National Bank of Canada
Quebec, Canada
$131M
Korea Investment Corp
163
Korea Investment Corp
South Korea
$131M
CB
164
Commerce Bank
Missouri
$129M
LIP
165
Liontrust Investment Partners
United Kingdom
$128M
ROIC
166
Route One Investment Company
California
$127M
BFS
167
Bradley Foster & Sargent
Connecticut
$126M
Prudential Financial
168
Prudential Financial
New Jersey
$124M
GCM
169
Glenview Capital Management
New York
$123M
SP
170
Sarasin & Partners
United Kingdom
$123M
PNC Financial Services Group
171
PNC Financial Services Group
Pennsylvania
$120M
KBC Group
172
KBC Group
Belgium
$119M
DB
173
Danske Bank
Denmark
$119M
JHP
174
James Hambro & Partners
United Kingdom
$118M
Jennison Associates
175
Jennison Associates
New York
$117M