THERMO FISHER SCIENTIFIC INC (TMO) Institutional Ownership and Insiders Activity
THERMO FISHER SCIENTIFIC INC (TMO) is widely held by institutional investors, with 11 tracked firms reporting positions valued at approximately $2.34B based on SEC Form 13F filings for the quarter ended March 31, 2026.
Viking Global Investors is the largest disclosed holder, reporting approximately $819.88M in TMO holdings in its latest filing.
Institutional Holders
11
Total Reported Value
$2.34B
Largest Holder
Viking Global Investors
Largest Position
$819.88M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
0
Funds Exiting Positions
0
Top Institutional Owners
View allInvestorReported Balance
- Viking Global Investors$819.88M
- Parnassus Endeavor Fund$739.58M
- Cantillon Capital Management$378.33M
- Lindsell Train$303.38M
- Renaissance Technologies LLC$68.30M
TMO News
All news- Lindsell Train Portfolio Focus: Tech & Comm Services Dominance
Apr 25, 2026 · valut.ai
- Michael Lindsell Portfolio Snapshot: Top Holdings and Recent Changes
Apr 25, 2026 · valut.ai
- Lindsell Train Portfolio Snapshot: Top Holdings Analysis March 2026
Apr 25, 2026 · valut.ai
- Michael Lindsell & Nick Train Portfolio Analysis: Top Holdings in 2026
Apr 25, 2026 · valut.ai
- Michael Lindsell of Lindsell Train Reduced Top Holdings, Increased Positions in INTU and FICO in Q1 2026
Apr 25, 2026 · valut.ai
- Lindsell Train Portfolio Snapshot: Top Holdings Analysis
Apr 25, 2026 · valut.ai
- Michael Lindsell & Nick Train Portfolio Analysis: Top Holdings in 2026
Apr 25, 2026 · valut.ai
- Lindsell Train Portfolio: Tech & Comm Services Dominance in Q1 2026
Apr 25, 2026 · valut.ai
Related TMO Institutional Insights:
- TMO Institutional Ownership & Insiders Activity
- TMO Institutional Ownership & 13F Activity
- TMO Top Institutional Shareholders
- TMO Institutional Buying Activity
- TMO Institutional Selling Activity
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- TMO Insider Trading & SEC Form 4 Activity
- Top Institutional Investor Stock Rankings