Sr. VP and Chief HR Officer

President & COO

Thermo Fisher Scientific sells scientific instruments and laboratory equipment, diagnostics consumables, and life science reagents. The firm operates through four segments as of year-end 2025 (revenue figures include some cross-segment revenue): analytical technologies (17% of sales); specialty diagnostic products (11%); life science solutions (23%); and lab products and services, which includes CRO services (the remainder).

Institution	Shares	Value	Change
Vanguard	34,361,526	$17.2B	INCREASED
BlackRock	30,919,632	$15.5B	INCREASED
State Street	16,825,879	$8.4B	INCREASED
FMR	14,084,488	$7.1B	INCREASED
Capital Group	13,534,274	$6.8B	DECREASED

Insider	Type	Shares	Value	Date
Lisa P. Britt (Sr. VP and Chief HR Officer)	TAX-W	85	$53K	2026-08-28
Lisa P. Britt (Sr. VP and Chief HR Officer)	TAX-W	105	$66K	2026-08-28
Lisa P. Britt (Sr. VP and Chief HR Officer)	TAX-W	116	$72K	2026-08-28
Lisa P. Britt (Sr. VP and Chief HR Officer)	TAX-W	87	$54K	2026-08-28
Gianluca Pettiti (President & COO)	EXERCISE	3,733	$1M	2026-08-28

Member	Type	Amount	Date
Ro Khanna (Democrat)	PURCHASE	$1,001 - $15,000	2026-08-07
Michael A. Rulli (Republican)	SALE	$1,001 - $15,000	2024-12-12
Alan Armstrong (Republican)	PURCHASE	$1,001 - $15,000	2026-03-27

Thermo Fisher Scientific, Inc. (TMO) Ownership & Trading Activity

Top Institutional Holders

Recent Insider Trades

Recent Congressional Trades