Thermo Fisher Scientific TMO

$672.85

+$7.55 (+1.13%)

Market open · Sep 24, 2:00 pm ET

After hours $665.30 0.00%

Open$661.08

Prev close$665.30

Day range$655.95 – $681.55

Volume1.09M

Market cap$248.78B

P/E (TTM)36.2

Dividend yield0.27%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership92.9%-0.17 pts vs. prior quarter

Institutions holding3,113-31 vs. prior quarter

Insider trades (recent)10 buys / 8 sellsNet buying

Short interest1.54% of floatDays to cover 3.4 · as of 31 Aug 2026

Short-sale volume share16.6%5-day average of daily volume

Net of large-order buying minus selling, in USD. Over this window: −$35.40M (8 inflow days, 12 outflow days).

Institutional holders3,113

Institutional ownership92.9%

Total transactions22

Bought10

Sold8

Report date	Shares short	% of float	Days to cover
31 Aug 2026	5,690,588	1.5%	3.4
14 Aug 2026	4,744,180	1.3%	2.9
31 Jul 2026	4,985,877	1.3%	1.9
15 Jul 2026	5,298,322	1.4%	3.0
30 Jun 2026	5,351,535	1.4%	2.2
15 Jun 2026	4,418,353	1.2%	2.1